A Phase III, Multicenter, Randomized, Parallel Group, Double Blind, Double Dummy, Active Controlled Study of Evobrutinib Compared With Teriflunomide, in Participants With Relapsing Multiple Sclerosis to Evaluate Efficacy and Safety (evolutionRMS 2)
Phase: PHASE3
Conditions: Relapsing Multiple Sclerosis
Sponsor: Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany

Evobrutinib
Phase III Study of Evobrutinib in RMS
MS200527_0082
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Clinical Study Protocol
Title Page
Clinical Study Protocol Title:
A Phase III, Multicenter, Randomized, Parallel Group, 
Double Blind, Double Dummy, Active Controlled Study 
of Evobrutinib Compared with Teriflunomide, in 
Participants with Relapsing Multiple Sclerosis to 
Evaluate Efficacy and Safety
Study Number:
MS200527ˍ0082
Merck Compound Number:
M2951
Study Phase:
III
Short Title:
Phase III Study of Evobrutinib in RMS
Acronym:
Evolution RMS 2
Coordinating Investigator:
 
Sponsor Name and Legal 
Registered Address:
Sponsor:
Affiliates of Merck KGaA, Darmstadt, Germany
For all countries, except the US and Canada:
Merck Healthcare KGaA
an affiliate of Merck KGaA, Darmstadt, Germany
Frankfurter Str. 250
Darmstadt, Germany
In the US and Canada:
EMD Serono Research & Development Institute, Inc.
an affiliate of Merck KGaA, Darmstadt, Germany
45A Middlesex Turnpike
Billerica, MA, 01821, USA
Medical Responsible:
Name: 
Address: 
EMD Serono Research & Development Institute Inc. 
45A Middlesex Turnpike, Billerica, MA 01821, USA 
Phone: 
Fax: Not Applicable
E-mail: 
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PPD
PPD
PPD
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
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Regulatory Agency Identifying 
Numbers: 
EudraCT: 2019-004980-36 
US IND: 129428 
Protocol Version: 
27 April 2023/Version 6.0 
Replaces Version: 
08 December 2022 / Version 5.0 
Approval Date: 
27 April 2023 
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Protocol Amendment Summary of Changes 
Protocol History 
Version Number 
Type 
Version Date 
1.0 
Original Protocol 
13 February 2020 
1.1-CAN 
Local amendment Canada 
03 July 2020 
1.2-DEU 
Local amendment Germany 
04 August 2020 
1.3-NOR 
Local amendment Norway 
25 August 2020 
1.4-LTU 
Local amendment Lithuania 
16 September 2020 
2.0 
Amendment 1 - Global 
09 December 2020 
2.1-CAN 
Local amendment Canada 
09 December 2020 
2.2-LTU 
Local amendment Lithuania 
09 December 2020 
3.0 
Amendment 2 - Global 
19 May 2021 
3.1-CAN 
Local amendment Canada 
26 May 2021 
3.2-LTU 
Local amendment Lithuania 
26 May 2021 
4.0 
Amendment 3 – Global 
03 April 2022 
4.1-CAN 
Local amendment Canada 
20 April 2022 
4.2-LTU 
Local amendment Lithuania 
26 April 2022 
5.0 
Amendment 4 – Global 
08 December 2022 
5.1-LTU 
Local amendment Lithuania 
18 December 2022 
5.2-CZE 
Local amendment Czech Republic 
16 March 2023 
6.0 
Amendment 5 - Global 
27 April 2023 
Protocol Version 6.0 (27 April 2023)  
This amendment is substantial based on the criteria in Article 10(a) of Directive 2001/20/EC of 
the European Parliament and the Council of the European Union. 
Overall Rationale for the Amendment 
The primary purpose of this amendment is: 
x To reflect recent update to risk profile of evobrutinib (i.e., important identified risk of 
drug-induced liver injury) by adapting liver-related eligibility criteria, monitoring, and 
discontinuation criteria as well as language on tolerability and safety of evobrutinib 
across the protocol. 
x To allow participants to stay on blinded IMP after DBTP in a DBE period to delay the 
switch of participants naïve to evobrutinib treatment to the OLE period. This will also 
allow to generate additional data on efficacy and safety over an extended period of time. 
A high-level description of each change with rationale is summarized below. 
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Section # and Name 
Description of Change and Brief Rationale if applicable 
1.1 Synopsis 
x 
Updated to include relevant 
information for DBE period 
including DBE objectives and 
endpoints, information on 
transitions after the DBTP, and 
involvement of special 
committees 
x 
To enable continuous treatment 
of participants with IMP 
x 
Generation of additional data on 
efficacy and safety 
1.2 Schema 
x 
Updated to include the optional 
DBE period 
x 
To ensure continuous treatment 
of participants with IMP 
x 
Generation of additional data on 
efficacy and safety 
1.3.1 Schedule of Activities – 
Double-blind Treatment Period 
x 
Week 3, 5, 7, 9, and 11 have 
been added to allow weekly LFT 
monitoring until after Study 
Day 70 
x 
To enhance liver function 
monitoring plan 
1.3.2 Schedule of Activities – 
Double-blind Extension Period 
x 
New SoA has been added for the 
DBE period 
x 
To ensure participants’ safety 
and continuous treatment of 
participants with IMP 
x 
Generation of additional data on 
efficacy and safety 
1.3.3 Schedule of Activities – 
Open-label Extension Period 
x 
SoA has been updated 
x 
Week 3, 5, 7, 9, and 11 have 
been added to allow weekly LFT 
monitoring until after Study 
Day 70 
x 
To enhance liver function 
monitoring plan 
2.2 Background 
x 
Rephrased based on updated 
risk profile 
x 
To reflect recent update to risk 
profile of evobrutinib 
2.3 Benefit/Risk Assessment 
x 
Updated Important Identified 
Risks to include the 
asymptomatic DILI cases. 
x 
Updated Important Potential 
Risks to include weekly 
monitoring of liver enzymes first 
12 weeks of DBTP and OLE and 
Hepatology Assessment 
Committee (HAC) review 
x 
To reflect recent update to risk 
profile of evobrutinib 
3 Objectives and Estimands 
x 
Added objectives and endpoints 
for the DBE period (primary, 
secondary, and 
tertiary/exploratory) 
x 
To specify objectives and 
endpoints for the newly added 
DBE period 
4.1 Study Design 
x 
Updated description of transition 
into the DBE period; transition 
into OLE period; transition into 
the long-term follow-up study 
x 
To ensure continuous treatment 
of participants with IMP 
4.4 End of Study Definition 
x 
Added definition of treatment 
completion for the DBE period 
x 
Added information on study 
termination 
x 
To define treatment completion 
for newly added DBE period 
5.3 Criteria for Entry into Open 
Label Extension Period 
x 
Added criteria for entry into DBE 
period  
x 
To specify inclusion and 
exclusion criteria for newly added 
DBE period 
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Section # and Name 
Description of Change and Brief Rationale if applicable 
5.4.1 Inclusion Criteria for Open-
label Extension Period 
5.4.2 Exclusion Criteria for 
Open-label Extension Period 
x 
OLE exclusion criteria have been 
updated for liver enzymes and to 
accommodate the new DBE 
period 
x 
To ensure exclusion of 
participants with abnormal blood 
tests into OLE period 
x 
To ensure participants safety 
5.5.2 Caffeine, Alcohol, and 
Tobacco 
x 
Description specified for additive 
hepatotoxic effects associated 
with IMPs (teriflunomide and 
evobrutinib) 
x 
To reflect risk of alcohol 
consumption associated with 
IMPs  
6.3.2 Blinding 
x 
Blinding during the DBE period 
specified 
x 
Clarification of blinding in the 
newly added study period 
6.5.3 Prohibited Medicines 
x 
Clarification regarding use of 
CYP2C8 substrates 
x 
Content related to the newly 
added DBE period was included 
7.1 Discontinuation of Study 
Intervention 
x 
Liver function test-related 
monitoring and discontinuation 
further specified 
x 
Liver function testing criteria 
updated 
x 
HCV RNA by PCR was added 
x 
To enhance safety monitoring of 
liver function 
 
 
 
x 
For clarification 
8 Study Assessments and 
Procedures 
x 
Update with information 
regarding the addition of the DBE 
period 
x 
Updated requirements for AEP 
adapted to DBE period 
x 
AEP (at Screening Visit for OLE 
only) was updated 
x 
Clarification added as related to 
the newly added DBE period 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
x 
Added clarification that the 
Investigator will have full access 
to the results of the MRI scans 
during the OLE period, starting 
with the first MRI assessment in 
the OLE period at Week 48 
x 
Updated text to clarify that the 
Investigator will have access to 
the full MRI reports including MS 
pathology during the OLE period. 
As the End-of-DBE MRI is used 
as baseline for OLE period, this 
MRI will remain blinded to MS 
pathology to ensure the integrity 
of the blinded periods of the 
study. 
8.2.8 Independent Data 
Monitoring Committee, 
Hepatology Assessment 
Committee, Endpoint 
Adjudication Committee, and 
Study Steering Committee 
x 
Description of Hepatology 
Assessment Committee was 
added 
x 
DBE period added to Endpoint 
Adjudication Committee  
x 
To include involvement of newly 
formed Hepatology Assessment 
Committee 
8.5 Pharmacokinetics 
x 
Description for DBE period added 
x 
Content related to the newly 
added DBE period was included 
8.8 Biomarkers 
x 
Update on repurposing of blood 
samples and update of blood 
volumes 
x 
Content related to the newly 
added DBE period was added 
8.8.1 Biomarkers of Disease, 
Disease Activity and 
Progression, Drug-related 
Outcomes, and Treatment 
Response 
x 
DBE added and OLE description 
updated 
x 
Content related to the newly 
added DBE period was added 
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Section # and Name 
Description of Change and Brief Rationale if applicable 
8.8.1.2 Novel Liver Function 
Biomarkers  
8.8.2 OLE Blood Biomarker PD 
Substudy – Biomarkers of 
Disease Activity, Progression 
and Response to Drug 
8.8.3 Gene Expression 
9.3 Populations for Analyses 
x 
Analysis sets for the DBE Period 
were specified 
Clarified that the subgroups were 
defined specifically for the PA 
9.4.3.5 Analysis of Open Label 
Extension Period Endpoints 
x 
New Section 9.4.3.5 added for 
Analysis of DBE period endpoints  
x 
Analysis of Open Label 
Extension Period Endpoints 
moved to Section 9.4.3.6 
Content related to the newly added 
DBE period was added 
9.4.4 Sequence of Analyses 
x 
Additional analysis was added for 
DBE 
Content related to the newly added 
DBE period was added 
9.4.4.2 Primary Analysis 
x 
Specified that all data until PA 
trigger will be analyzed 
Specified that the PA will be 
performed on all data until the PA 
trigger date. 
Appendix 2 Study Governance  
x 
Hepatology Assessment 
Committee added to the list of 
committees 
To include newly formed Hepatology 
Assessment Committee 
Appendix 5 
x 
Parameters added to 
Hepatic/Autoimmune Panel 
Content related to the newly added 
DBE period, consistency and clarity. 
Appendix 8 Procedure for 
Accelerated Elimination of 
Teriflunomide 
x 
Updated text on mandatory AEP 
for OLE period  
Content related to the newly added 
DBE period was added 
Throughout the document 
x 
Minor editorial and document 
formatting revisions 
x 
Minor changes to accommodate 
addition of DBE, e.g., addition of 
the word ‘DBE’ in the respective 
sections 
Minor; therefore, have not been 
summarized. 
Content related to the newly added 
DBE period was added 
- Confidential – 
This document is the property of Merck KGaA, Darmstadt, Germany, or one of its subsidiaries. It is intended for 
restricted use only and may not – in full or part – be passed on, reproduced, published, or used without express 
permission of Merck KGaA, Darmstadt, Germany, or its subsidiary. Copyright © 2023 by Merck KGaA, Darmstadt, 
Germany, or its subsidiary. All rights reserved. 
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Table of Contents  
Title Page 
 ..............................................................................................................1 
Table of Contents  ..............................................................................................................7 
Table of Tables 
 ............................................................................................................12 
Table of Figures 
 ............................................................................................................12 
1 
Protocol Summary ..............................................................................13 
1.1 
Synopsis ..............................................................................................13 
1.2 
Schema ................................................................................................21 
1.3 
Schedule of Activities .........................................................................23 
1.3.1 
Schedule of Activities - Double-blind Treatment Period ...................23 
1.3.2 
Schedule of Activities – Double-Blind Extension Period ..................40 
1.3.3 
Schedule of Activities – Open-label Extension Period .......................46 
2 
Introduction .........................................................................................57 
2.1 
Study Rationale ...................................................................................57 
2.2 
Background .........................................................................................58 
2.3 
Benefit/Risk Assessment ....................................................................60 
3 
Objectives and Estimands ...................................................................64 
4 
Study Design .......................................................................................74 
4.1 
Overall Design ....................................................................................74 
4.2 
Scientific Rationale for Study Design ................................................75 
4.3 
Justification for Dose ..........................................................................77 
4.4 
End of Study Definition ......................................................................78 
5 
Study Population .................................................................................79 
5.1 
Inclusion Criteria ................................................................................79 
5.2 
Exclusion Criteria ...............................................................................81 
5.3 
Criteria for Entry into Double-Blind Extension Period ......................87 
5.4 
Criteria for Entry into Open Label Extension Period .........................87 
5.4.1 
Inclusion Criteria for Open Label Extension Period ..........................87 
5.4.2 
Exclusion Criteria for Open Label Extension Period .........................88 
5.5 
Lifestyle Considerations .....................................................................88 
5.5.1 
Meals and Dietary Restrictions ...........................................................88 
5.5.2 
Caffeine, Alcohol, and Tobacco .........................................................88 
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5.6 
Screen Failures ....................................................................................89 
6 
Study Intervention(s) ..........................................................................89 
6.1 
Study Intervention(s) Administration .................................................90 
6.2 
Study Intervention(s) Preparation, Handling, Storage, and 
Accountability .....................................................................................90 
6.3 
Measures to Minimize Bias: Study Intervention Assignment and 
Blinding ..............................................................................................92 
6.3.1 
Study Intervention Assignment ..........................................................92 
6.3.2 
Blinding ..............................................................................................92 
6.3.3 
Emergency Unblinding .......................................................................94 
6.4 
Study Intervention Compliance ..........................................................94 
6.5 
Concomitant Therapy .........................................................................95 
6.5.1 
Rescue Medicine .................................................................................95 
6.5.2 
Permitted Medicines ...........................................................................96 
6.5.3 
Prohibited Medicines ..........................................................................96 
6.5.4 
Other Interventions .............................................................................98 
6.6 
Dose Selection and Modification ........................................................98 
6.7 
Study Intervention after the End of the Study ....................................98 
6.8 
Special Precautions .............................................................................98 
6.9 
Management of Adverse Events of Interest ........................................98 
7 
Discontinuation of Study Intervention and Participant 
Discontinuation/Withdrawal .............................................................100 
7.1 
Discontinuation of Study Intervention..............................................100 
7.1.1 
Temporary Discontinuation ..............................................................105 
7.1.2 
Rechallenge .......................................................................................105 
7.2 
Participant Discontinuation/Withdrawal from the Study .................105 
7.3 
Lost to Follow-Up.............................................................................106 
8 
Study Assessments and Procedures ..................................................106 
8.1 
Efficacy Assessments and Procedures ..............................................110 
8.1.1 
Neurological Assessment ..................................................................110 
8.1.1.1 
Qualified Relapse ..............................................................................111 
8.1.1.2 
Disability Progression and Expanded Disability Status Scale ..........112 
8.1.1.3 
Confirmed Disability Improvement ..................................................112 
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8.1.1.4 
Timed Twenty-Five Foot Walk ........................................................113 
8.1.1.5 
Nine Hole Peg Test ...........................................................................113 
8.1.1.6 
Symbol Digit Modalities Test ...........................................................113 
8.1.2 
Brain Magnetic Resonance Imaging Scans ......................................114 
8.1.3 
Patient Reported Outcomes ..............................................................115 
8.1.3.1 
Patient Reported Outcomes Measurement Information System .......116 
8.1.3.2 
Medical Outcomes Study 36-Item Short Form Survey Instrument ..116 
8.1.3.3 
EuroQoL 5 Dimension 5 Levels .......................................................117 
8.1.3.4 
WPAI: MS v2.0 (for OLE Period Only) ...........................................117 
8.2 
Safety Assessments and Procedures .................................................118 
8.2.1 
Physical Examinations ......................................................................118 
8.2.2 
Vital Signs ........................................................................................118 
8.2.3 
Electrocardiograms ...........................................................................119 
8.2.4 
Clinical Safety Laboratory Assessments ..........................................119 
8.2.5 
Pregnancy .........................................................................................120 
8.2.6 
Immunoglobulin levels .....................................................................121 
8.2.7 
Columbia-Suicide Severity Rating Scale ..........................................121 
8.2.8 
Independent Data Monitoring Committee, Hepatology 
Assessment Committee, Endpoint Adjudication Committee, and 
Study Steering Committee ................................................................121 
8.3 
Adverse Events and Serious Adverse Events ...................................123 
8.3.1 
Time Period and Frequency for Collecting Adverse Event and 
Serious Adverse Event Information ..................................................123 
8.3.2 
Method of Detecting Adverse Events and Serious Adverse Events .123 
8.3.3 
Follow-up of Adverse Events and Serious Adverse Events .............124 
8.3.4 
Regulatory Reporting Requirements for Serious Adverse Events ...124 
8.3.5 
Pregnancy .........................................................................................125 
8.4 
Treatment of Overdose .....................................................................126 
8.5 
Pharmacokinetics ..............................................................................126 
8.6 
Pharmacodynamics ...........................................................................127 
8.7 
Pharmacogenetics .............................................................................127 
8.8 
Biomarkers ........................................................................................128 
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8.8.1 
Biomarkers of Disease, Disease Activity and Progression, Drug-
related Outcomes, and Treatment Response .....................................129 
8.8.1.1 
Neurofilament Light Chain ...............................................................129 
8.8.1.2 
Novel Liver Function Biomarkers ....................................................129 
8.8.2 
OLE Blood Biomarker PD Substudy – Biomarkers of Disease 
Activity, Progression and Response to Drug ....................................130 
8.8.3 
Gene Expression ...............................................................................130 
8.9 
Health Resource Utilization ..............................................................131 
8.10 
Immunogenicity Assessments ..........................................................131 
9 
Statistical Considerations ..................................................................131 
9.1 
Statistical Hypotheses .......................................................................131 
9.1.1 
Statistical Hypotheses Related to Primary Objective .......................131 
9.1.2 
Statistical Hypotheses Related to Secondary Objectives ..................131 
9.2 
Sample Size Determination ..............................................................133 
9.2.1 
Sample Size for Primary Endpoint: ARR .........................................133 
9.2.2 
Sample Size for Secondary Endpoint: 12-week CDP.......................134 
9.2.3 
Sample Size Considerations due to the Currently Escalating Crisis 
in Eastern Europe ..............................................................................134 
9.3 
Populations for Analyses ..................................................................135 
9.4 
Statistical Analyses ...........................................................................136 
9.4.1 
Efficacy Analyses .............................................................................137 
9.4.1.1 
Efficacy Analyses Related to Primary Objective .............................140 
9.4.1.2 
Efficacy Analyses Related to Secondary Objectives ........................142 
9.4.1.3 
Sensitivity Analyses ..........................................................................146 
9.4.2 
Safety Analyses ................................................................................148 
9.4.2.1 
Adverse Events .................................................................................148 
9.4.2.2 
Clinical Laboratory Test Values .......................................................149 
9.4.2.3 
Vital Signs ........................................................................................149 
9.4.2.4 
Electrocardiogram Parameters ..........................................................149 
9.4.2.5 
Immunoglobulin Levels ....................................................................150 
9.4.2.6 
Concomitant Medication and Procedures .........................................150 
9.4.2.7 
Columbia-Suicide Severity Rating Scale ..........................................151 
9.4.3 
Other Analyses ..................................................................................151 
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9.4.3.1 
Pharmacokinetic Parameters and Biomarkers ..................................151 
9.4.3.2 
Demographics, Baseline Characteristics, Disposition, and 
Compliance .......................................................................................151 
9.4.3.3 
Patient Reported Outcome Analyses ................................................152 
9.4.3.4 
Health Resource Utilization ..............................................................152 
9.4.3.5 
Analysis of Double-Blind Extension Period Endpoints ...................152 
9.4.3.6 
Analysis of Open Label Extension Period Endpoints.......................152 
9.4.4 
Sequence of Analyses .......................................................................152 
9.4.4.1 
Optional Interim Analysis for Blinded Sample Size Re-estimation .153 
9.4.4.2 
Primary Analysis ..............................................................................153 
9.4.4.3 
Multiplicity .......................................................................................154 
10 
References .........................................................................................158 
11 
Appendices .......................................................................................163 
Appendix 1 
Abbreviations ....................................................................................163 
Appendix 2 
Study Governance .............................................................................168 
Appendix 3 
Contraception ....................................................................................175 
Appendix 4 
Adverse Events: Definitions and Procedures for Recording, 
Evaluating, Follow-up, and Reporting ..............................................178 
Appendix 5 
Clinical Laboratory Tests .................................................................183 
Appendix 6 
Pharmacogenetics .............................................................................185 
Appendix 7 
Guidance for Diagnosis of PML .......................................................186 
Appendix 8 
Procedure for Accelerated Elimination of Teriflunomide ................188 
Appendix 9 
Teriflunomide Drug-Drug Interactions .............................................189 
Appendix 10 
Structured Interview at Telephone Contact ......................................191 
Appendix 11  
Guidance on Clinically Relevant CYP Inducers, Inhibitors, and 
Substrates ..........................................................................................192 
Appendix 12 
Protocol Amendment History ...........................................................193 
Appendix 13 
Sponsor Signature Page ....................................................................260 
Appendix 13 
Coordinating Investigator Signature Page ........................................261 
Appendix 14 
Principal Investigator Signature Page ...............................................262 
 
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Table of Tables  
Table 1 
Primary and Secondary Objectives, Endpoints and Estimands for 
the Double-blind Treatment Period ....................................................64 
Table 2 
Tertiary/Exploratory Objectives and Endpoints for the 
Double-blind Treatment Period ..........................................................67 
Table 3 
Objectives and Endpoints for the Double-Blind Extension Period ....70 
Table 4 
Objectives and Endpoints for the Open Label Extension Period .......72 
Table 5 
Protocol-Required Clinical Laboratory Assessments .......................183 
 
Table of Figures  
Figure 1 
Study Schema .....................................................................................21 
Figure 2 
Participant Transition Schema ............................................................75 
Figure 3 
Multiplicity Graph ............................................................................157 
Figure 4 
Diagnostic Algorithm for PML – Suggested Diagnostic Algorithm 187 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
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1 
Protocol Summary  
1.1 
Synopsis  
Protocol Title: A Phase III, Multicenter, Randomized, Parallel Group, Double Blind, Double 
Dummy, Active Controlled Study of Evobrutinib Compared with Teriflunomide, in Participants 
with Relapsing Multiple Sclerosis to Evaluate Efficacy and Safety. 
Short Title: Phase III Study of Evobrutinib in RMS. 
Rationale: The purpose of this study is to characterize the efficacy and safety of evobrutinib 45 mg 
administered orally twice daily versus teriflunomide (Aubagio®; 14 mg once a day orally) in 
participants with relapsing multiple sclerosis (RMS). 
Objectives and Endpoints for the Double-blind Treatment Period: 
Objectives 
Estimand Attributes 
Primary 
To 
demonstrate 
superior 
efficacy 
with 
evobrutinib 
compared to teriflunomide in 
terms of Annualized Relapse 
Rate (ARR) 
Endpoint: ARR based on qualified relapses up to 156 weeks 
in participants with RMS 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death attributable to MS or treatment: Composite 
variable 
x Death unattributable to MS or treatment: While Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: relapse rate ratio and confidence 
interval (CI) (negative binomial [NB] model), with test of 
treatment effect based on test of relapse rate ratio 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
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Objectives 
Estimand Attributes 
Secondary 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide 
on 
disability 
progression 
Endpoints:  
x Time to first occurrence of 12-week Confirmed 
Disability Progression (CDP) as measured by the 
Expanded Disability Status Scale (EDSS) up to 
156 weeks 
x Time to first occurrence of 24-week CDP as measured 
by the EDSS up to 156 weeks 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death attributable to MS or treatment: Composite 
variable 
x Death unattributable to MS or treatment: While Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: hazard ratio and CI (Cox model), 
with test of treatment effect based on logrank test 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide 
on 
disability 
improvement 
Endpoints:  
x Time to first occurrence of 24-week Confirmed 
Disability Improvement (CDI) as measured by the 
EDSS up to 156 weeks 
Population: Patients with RMS as defined by inclusion/ 
exclusion criteria and who have baseline EDSS ≥ 2.0 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death (any cause): While Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: hazard ratio and CI (Cox model), 
with test of treatment effect based on logrank test 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
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Objectives 
Estimand Attributes 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide 
on 
patient 
reported 
symptoms 
and 
functional status 
Endpoints:  
x Change from Baseline (CFB) in Patient Reported 
Outcomes 
Measurement 
Information 
System 
(PROMIS) Physical Function (PF) score over 
96 weeks 
x CFB in PROMIS Fatigue score over 96 weeks 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death (any cause): While Alive 
x Ukraine crisis: Hypothetical 
Population-Level 
Summary: 
difference 
of 
average 
least-squares means of score CFB (average over Weeks 72, 
84, and 96 for PROMIS PF and average over Weeks 48, 60, 
72, 84, and 96 for PROMIS Fatigue) and CI (Mixed effect 
model for repeated measures [MMRM] model), with test of 
treatment effect based on difference of average least-squares 
means 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide 
on 
magnetic 
resonance 
imaging 
(MRI) 
lesion parameters 
Endpoints:  
x Total number of T1 Gd+ lesions based on all available 
MRI scans 
x Number of new or enlarging T2 lesions on the last 
available MRI scan relative to the baseline MRI scan 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death (any cause): While Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: lesion rate ratio and CI (NB 
model), with test of treatment effect based on test of lesion 
rate ratio 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
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Objectives 
Estimand Attributes 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide by evaluating 
response 
on 
Neurofilament 
light 
chain 
(NfL) 
concentrations in serum 
Endpoint:  
x NfL concentration at 12 weeks 
Population: Patients with RMS as defined by inclusion/ 
exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death (any cause): While Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: difference of geometric means at 
12 weeks and CI (MMRM model), with test of treatment 
effect based on difference of least-squares means 
To characterize the safety and 
tolerability of evobrutinib 
Endpoints:  
x Safety as assessed by the nature, severity, and occurrence 
of adverse events (AEs) and adverse events of special 
interest (AESIs); vital signs; electrocardiograms (ECGs); 
absolute concentrations and CFB in immunoglobulin (Ig) 
levels; and clinical laboratory safety parameters up to the 
end of the Safety Follow-up period 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Ukraine crisis: Hypothetical 
Population-Level Summary: Not applicable 
Objectives and Endpoints for the Double-Blind Extension Period: 
Objectives 
Endpoints 
Double-blind Extension (DBE) Period - Primary 
To further evaluate the 
efficacy with evobrutinib 
compared to teriflunomide in 
terms of Annualized Relapse 
Rate (ARR) 
x 
ARR based on qualified relapses in participants with RMS 
DBE Period - Secondary 
To further evaluate the 
efficacy of evobrutinib 
relative to that of 
x 
Time to first occurrence of 12-week CDP as measured by 
EDSS 
x 
Time to first occurrence of 24-week CDP as measured by 
the EDSS 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
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teriflunomide on disability 
progression 
To further evaluate the 
efficacy of evobrutinib 
relative to that of 
teriflunomide on disability 
improvement 
x Time to first occurrence of 24-week CDI as measured by the 
EDSS 
To further evaluate the 
efficacy of evobrutinib 
relative to that of 
teriflunomide on patient 
reported symptoms and 
functional status 
x CFB in PROMIS PF score over time 
x CFB in PROMIS Fatigue score over time 
To further evaluate the 
efficacy of evobrutinib 
relative to that of 
teriflunomide on magnetic 
resonance imaging (MRI) 
lesion parameters 
x Total number of T1 Gd+ lesions based on all available MRI 
scans 
x Number of new or enlarging T2 lesions on the last available 
MRI scan relative to the baseline MRI scan 
To further characterize the 
safety and tolerability of 
evobrutinib 
x Safety as assessed by the nature, severity, and occurrence of 
adverse events (AEs) and adverse events of special interest 
(AESIs); vital signs; electrocardiograms (ECGs); absolute 
concentrations and CFB in immunoglobulin (Ig) levels; and 
clinical laboratory safety parameters up to the end of the 
Safety Follow-up period 
Objectives and Endpoints for the Open Label Extension Period: 
Objectives 
Endpoints (Outcome Measures) 
Open-label Extension (OLE) Period – Primary 
To evaluate the long-term 
safety 
and 
tolerability 
of 
evobrutinib 45 mg twice daily 
(BID) in participants with 
RMS over time 
x Occurrence of AEs and serious AEs (SAEs) 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
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Objectives 
Endpoints (Outcome Measures) 
OLE Period – Secondary 
To evaluate the long-term 
efficacy of evobrutinib 45 mg 
BID in participants with RMS 
 
x ARR, based on protocol-defined qualified relapses  
x Time to first occurrence of 24-week CDP as measured 
by EDSS 
x Time to first occurrence of 24-week CDI as measured 
by EDSS 
x Symbol Digit Modalities Test (SDMT) over time 
To evaluate the long-term 
effect of evobrutinib 45 mg 
BID in participants with RMS 
on patient reported symptoms 
and functional status 
x PROMISnq PF (MS) 15a score change over time 
x PROMIS Fatigue (MS) 8a score change over time 
To further evaluate the 
long-term safety and 
tolerability of evobrutinib 
45 mg BID in participants 
with RMS over time 
x 
Safety Laboratory Parameters including Blood 
Chemistry, Hematology, Coagulation, Vitals, ECGs  
OLE Period - Secondary – MRI Substudy 
To evaluate the long-term 
efficacy of evobrutinib 45 mg 
BID in participants with RMS 
on MRI parameters 
x 
Total number of new or enlarging T2 lesions (relative to 
Baseline) 
x 
Change from Baseline in T2 lesion volume over time 
Overall Design: This is a Phase III, multicenter, randomized, parallel group, double-blind, 
double-dummy, active-controlled study of evobrutinib with an active control teriflunomide, in 
participants with RMS. 
Eligible participants will be randomized 1:1 to treatment with evobrutinib 45 mg twice daily, or 
teriflunomide 14 mg once a day (oral), stratified by region and Baseline EDSS. Blinding will be 
accomplished using a double dummy design. 
Number of Arms: 2 
Blinding: Participant, Care Provider, Investigator, Outcomes Assessor 
Number of Participants: The total sample size is calculated to be 898 participants with a 
randomization ratio of 1:1 (approximately 449 participants per treatment group), under the variable 
treatment duration (information driven) study design adopted in Protocol Version 4.0 and the ideal 
assumption that no data from randomized participants has been rendered unreliable due to an 
intercurrent event. This calculation is an underestimate of the enrollment required to fully power 
the study as the Ukraine crisis intercurrent event has impacted data reliability. Under the 
intermediate scenario where data from participants randomized in the crisis region are either 
included fully or censored due to unreliability, the final enrollment will be in the range of 1,041 to 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
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1,294 participants for Study MS200527_0080 and 1,053 to 1,464 participants for 
Study MS200527_0082, where the lower limit of the range is the actual enrollment at the time of 
Clinical Study Protocol Version 4.0, and the upper limit is the expected enrollment under the 
worst-case scenario. The intermediate scenario assumes that the second phase of enrollment will 
be halted short of worst-case, based on an evaluation of information accrual within data assessed 
to be reliable. 
Study Intervention Groups and Duration: The Treatment Period of up to 156 weeks (minimum 
24 weeks) will be preceded by a 4-week Screening Period (may be extended after discussion with 
the Medical Monitor but cannot exceed 12 weeks) and followed by a 4-week Safety Follow-up 
after treatment completion or early discontinuation.  
Transition Into the DBE Period 
Participants who complete the DBTP period, or who are still under study treatment when the PA 
is triggered, will be considered completers and will be eligible to continue in the DBE period for 
continuation of treatment as assigned at randomization. Those participants who have not reached 
the Week 156 visit when the PA is triggered, need to undergo an End-of-DBTP Visit, which is 
also their first visit in the DBE. Participants who do not wish to enter the DBE period will have a 
Safety Follow-up Visit occurring after the End-of-DBTP visit. 
Transition Into OLE Period 
Participants who complete the DBE period, or who are still under study treatment once the Sponsor 
– upon agreement with Health Authorities / Ethics Committees – will have notified sites (i.e., the 
OLE is open for enrollment), will be eligible for transition into the OLE period. Participants 
entering the OLE period need to undergo an End-of-DBTP Visit, which is also their first visit in 
the OLE period. All participants previously treated with teriflunomide, or unknown exposure 
status, entering the OLE will be required to complete the AEP prior to dispensation of the IMP in 
the OLE period. Participants who do not wish to transition into OLE, will have a Safety Follow-
up Visit after the End of the DBE period. The treating physician may consider conducting the AEP 
for participants coming off the IMP and prior to initiation of alternative DMTs. 
Transition Into Long-term Follow-up Study (MS200527_0123, LONGEVO) 
Once the long-term follow-up study (MS200527_0123, LONGEVO) is open for enrollment (i.e., 
once the sponsor – upon agreement with Health Authorities / Ethics Committees – will have 
notified sites), participants of the OLE will switch into the long-term follow-up study at the nearest 
transition visit (at Weeks 24, 48, 72, or 96 of the OLE period). Participants who do not wish to 
transition into the long-term follow-up study, will have a Safety Follow-up Visit after the End of 
Treatment visit in the OLE Period. 
In case the long-term follow-up study is open for enrollment while participants are still under study 
treatment in the DBE period, they will be offered the possibility to transition into that study by 
default. For participants entering the long-term follow-up study, their last visit in the current study 
(i.e., End-of-DBE Visit) is also their first visit in the long-term follow-up study. Participants who 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
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do not wish to transition into the long-term follow-up study will have a Safety Follow-up Visit 
after the End-of-DBE Visit. 
Involvement of Special Committee(s): Yes. Independent Data Monitoring Committee, 
Hepatology Assessment Committee (HAC), Endpoint Adjudication Committee (for the DBTP and 
DBE period), and Study Steering Committee.
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Evobrutinib
Phase III Study of Evobrutinib in RMS
MS200527_0082
C O N F I D E N T I A L
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1.2
Schema
Figure 1
Study Schema
AEP = accelerated elimination procedure, BID = twice daily, DBE = Double-Blind Extension, DBTP = Double-Blind Treatment Period, OLE = Open-Label 
Extension, PA = primary analysis, QD = once daily, SFU = Safety Follow-up.
a
Screening may be extended to 12 weeks after approval by the Medical Monitor (see Section 8).
b
Treatment Period of up to 156 weeks with a minimum treatment duration of 24 weeks.
c
Once PA is triggered, participants who have not reached Week 156 will undergo an End-of-DBTP visit
d
Once the primary analysis is triggered, participants have the option to extend their treatment in the DBE for up to 96 weeks, until the Sponsor, upon 
agreement with Health Authorities/Ethics Committees, notifies sites that the OLE and/or the long-term follow-up study is open for enrollment. At that point, 
participants who have not reached Week 96, will need to undergo an End-of-DBE visit. The long-term follow-up study is covered by a separate study 
protocol.
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
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e 
If the long-term follow-up study is not yet approved in their country participants have the option to enter an OLE period of up to 96 weeks, which is covered 
in the current protocol. If the long-term follow-up study is approved and open for enrollment after beginning the OLE, participants may transfer from the OLE 
to the long-term follow-up study at Weeks 24, 48, 72, or 96. The long-term follow-up study is covered by a separate study protocol. 
f 
Participants not entering the DBE period, OLE period, or long-term follow-up study will have a Safety Follow-up visit 4 weeks after End-of-
DBTP/End-of-DBE/End-of-OLE Visit, respectively.  
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
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1.3 
Schedule of Activities  
1.3.1 
Schedule of Activities - Double-blind Treatment Period  
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Visit 
1 
2 
3 
- 
4 
-
5 
- 
6
- 
7 
- 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
- 
30 
 
Study Day 
-28 to -1 
1 
15 
- 
29 
-
43 
- 
57
- 
71 
- 
85 
99 
113 
127 
141 
155 
169 
197 
225 
253 
281 
309 
337 
421 
505 
589 
673 
757 
841 
925 
1009 
1093 
- 
x Visit window is ± 3 days 
for all visits from W2 to 
W44, inclusive. Visit 
window is± 7 days for all 
visits from W48 to W156, 
inclusive. 
x Exception: W4 has a visit 
window of ± 2 days 
x Visit window is + 3 days 
for SFU 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
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Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Informed 
Consent 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
Inclusion and 
Exclusion 
Criteria 
X X  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Review Inclusion and 
Exclusion Criteria before 
randomization and first dose 
of study intervention. 
Demography 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
Full Physical 
Examination  
X X  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 X 
 
 
 X  
 
 
 
X 
X X 
Additional examinations may 
be completed at the discretion 
of the Investigator. 
Medical History 
(includes 
substance 
usage) 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Substances: drugs, alcohol, 
tobacco, and caffeine. 
MS History 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
Serum 
Pregnancy Test 
(WOCBP only) 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
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Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Highly sensitive 
urine pregnancy 
test 
 
X  
 
X  
 
 
X  
 
 X  X  
X  X X X X X X X X X X X X X X X X 
 
X 
Monthly urine pregnancy tests 
to be performed for all 
WOCBP. In-between visits, 
urine pregnancy testing will 
be performed at home. 
Telephone 
Contact 
 
 
 
 
 
 
 
 
Xf  
 
 
 
 
Xf  
Xf  
 
Xf Xf  
Xf X 
f,g 
[-------Xg---------] 
 
 
See Section 8 and 
Appendix 10. 
f 
For participants utilizing 
home visit option  
g Telephone contacts 
between W44 and W156 
should occur every 4 weeks if 
a clinic visit is not scheduled. 
QuantiFERON®
-TB tuberculosis 
test 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
See Exclusion Criteria 7 
and 8. 
Participants can be tested for 
TB at any time during the 
study at the discretion of the 
Investigator. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
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Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
TB testing for 
high TB burden 
countries 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 X 
 
 
 X  
 
 
 
X 
 
 
See Exclusion Criteria 7 
and 8. 
TB testing to be repeated at 
the indicated visits (or more 
frequently at the discretion of 
the Investigator) using the 
assay that was negative at 
Screening or replacement 
(refer to Laboratory Manual). 
Ferritin, and 
transferrin 
saturation 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 See Exclusion Criterion 10. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
27/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
HIV, HBV, and 
HCV testing 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
HIV testing will be conducted 
centrally. Where required by 
local regulations, testing can 
be conducted and analyzed 
locally. HBV and HCV testing 
will be performed at the 
central laboratory. 
Participants positive for anti-
HCV antibodies will have 
reflex testing performed for 
HCV RNA by PCR. See 
Exclusion Criterion 34. 
Efficacy 
Neurological 
Evaluation 
EDSS, T25-FW, 
9-HPT, and 
SDMT 
X X  
 
 
 
 
 
 
 
 
 X  
 
 
 
 X  
 X  
 X X X X X X X X X X 
X X 
Preferably done after PRO 
assessments. 
Completed by the Examining 
Investigator (assessor) (or 
Qualified Examining Designee 
for T25-FW, 9-HPT, and 
SDMT). 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
28/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Relapse 
assessment 
 
 
 
 
 
 
 
 
 
 
 
 X  
 
 
 
 X  
 X  
 X X X X X X X X X X 
X X 
During unscheduled visits for 
relapse, EDSS assessment is 
required within 7 days of 
relapse reporting. 
MRI scan 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 X   
 
  X 
 
 
 X  
 
 
 
X 
 
 
Participants should meet all 
non-imaging 
inclusion/exclusion criteria 
before the Screening 
(Baseline) MRI is performed. 
An MRI is mandatory at the 
EOT/ED Visit if the previous 
MRI was performed more 
than 4 weeks prior to the visit. 
PRO assessments and health resource utilization 
PROMIS 
Fatigue and 
Physical 
Functioning, 
EQ-5D-5L 
 
X  
 
 
 
 
 
 
 
 
 X  
 
 
 
 X  
 X  
 X X X X X X X X X X 
 
 
PROs should be completed 
prior to administration of study 
intervention and prior to any 
other study assessment(s). 
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*OREDO9HUVLRQ,'BB

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
29/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
SF-36v2 
 
X  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 X  
 
 
 
 X 
 X  X  X  X X 
 
  
Health resource 
utilization 
 
X  
 
 
 
 
 
 
 
 
 X  
 
 
 
 X   X   X X X X X X X X X X 
 
 See Section 8.9. 
Safety assessments 
C-SSRS 
X X  
 
 
 
 
 
 
 
 
 X  
 
 
 
 X  
 X  
 X X X X X X X X X X 
 
X 
The Treating Investigator or 
designee will complete this at 
each assessment. See 
Section 8.2.7  
Reflex testing 
for HBV DNA 
X 
 
 
 
X  
 
 
X  
 
 X  
 
 
 
 X  
 X  
 X X X X X  X  
 
X 
 
X 
For participants who are 
anti-hepatitis B surface 
antibody positive and/or 
anti-hepatitis B core antibody 
positive at Screening, reflex 
testing for HBV DNA by PCR 
will be performed. See 
Exclusion Criterion 34. 
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*OREDO9HUVLRQ,'BB

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
30/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Evobrutinib 
concentration 
assessment 
 
 
[-------------------------------------------------X----------------------------------------------] 
 
 
Analysis will only be 
conducted if elevated LFTs 
are observed. 
Biochemistry 
and Hematology X X  
 
 
 
 
 
 
 
 
 X  
 
 
 
 X  
 
 
 
 X 
 X  X X  X  
X 
X X See Section 7.1 and 
Appendix 5. 
LFT: ALP, AST, 
ALT, GGT, and 
Total Bilirubin 
 
 X X X X X X X X X X  X X X X X  X X X X X  
X  X  
 X  X 
 
 
 
If elevated, LFTs will be 
repeated along with additional 
testing (see Section 7.1). 
Hepatic/ 
Autoimmune 
Panel/focused 
genetic testing 
(e.g., HFE) 
 
Sample collection and analysis will only be conducted if elevated LFTs are observed. 
 
 
See Section 7.1 and 
Appendix 5. 
Coagulation 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
Coagulation tests will be 
performed in case of LFT 
elevation. 
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*OREDO9HUVLRQ,'BB

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
31/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Urinalysis 
(local)  
X X  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 X  
 
 
 
 X 
 X  X  
 
 
 
X 
X X 
Urine microscopy should be 
submitted for central 
evaluation if indicated (see 
Section 8 and Appendix 5). 
12-lead ECG 
X X  
 
X  
 
 
 
 
 
 
 
 
 
 
 
 X  
 
 
 
 
 
 
 
 X  
 
 
 
X 
 
 
A Baseline ECG will be 
collected on Day 1 prior to 
dosing, in addition to the 
regular ECG required per visit 
(see bullet below). 
All other ECG assessments 
must be conducted 
approximately 45 to 
60 minutes after study 
intervention administration at 
the site. 
See PK sampling row for 
timing of PK collection. 
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*OREDO9HUVLRQ,'BB

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
32/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Additional ECGs can be done 
if there are concerns about 
cardiac signs or symptoms 
and at the Investigator’s 
discretion, if clinically 
indicated. 
Vital Signs, 
Height, and 
Weight 
X X  
 
 
 
 
 
 
 
 
 X  
 
 
 
 X  
 X  
 X X X X X  
 
 
 
X 
X X Collect Height at Screening 
only. 
AE, SAE & 
AESI Review 
[--------------------------------------------------------------X-----------------------------------------------------] 
AE review to be started after 
ICF is signed. 
Concomitant 
Medication and 
Procedures 
Review 
[-------------------------------------------------------------X-----------------------------------------------------] 
 
Blinded 
Immuno-
globulin levels 
 
X  
 
 
 
 
 
 
 
 
 X  
 
 
 
 X  
 
 
 
 X 
 X  X  X  X X 
 
X  
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*OREDO9HUVLRQ,'BB

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
33/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Study Intervention 
Randomization 
 
X  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Randomization occurs on 
Day 1, prior to start of study 
intervention and after 
participant has met all 
eligibility criteria and all 
assessments have been 
completed. 
Dispense Study 
Intervention (s)  
 
X  
 
X  
 
 
 
 
 
 X  
 
 
 
 X  
 X  
 X X X X X X X X X 
 
 
 Dispense as needed per 
IWRS. 
Study 
Intervention(s) 
Administration 
 
Administration of study interventions 
 
 
Study intervention must be 
taken in the fed state, see 
Section 6.1. 
Study intervention should be 
administered during the study 
visit on PK sampling days. 
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*OREDO9HUVLRQ,'BB

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
34/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Study 
Intervention(s) 
Compliance 
 
[------------------------------------------------------X----------------------------------------------] 
 
 
Participant to complete diary 
after every study intervention 
administration. See 
Section 6.4. 
Diary to be reviewed during 
on-site visits 
PK/PD, PGx, and Biomarker assessments 
PK sampling 
 
X  
 
 
X  
 
 
 
 
 
X  
 
 
 
 
X  
 
 
 
 
X  
X  
X  
 
 
 
X 
 
 
Study visits containing PK 
sampling should be scheduled 
before first daily dose, and 
participants should be 
instructed to wait and take 
study interventions at the site 
(see Section 6.1). 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
35/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
x 
Day 1 PK collected at 
0 (predose), 0.5, 1, 2, 
and 4 hours postdose. 
Prior to the predose 
blood draw, the baseline 
ECG assessment should 
be taken. The postdose 
ECG assessment on Day 
1 should be near the 
Cmax, or approximately 
45-60 minutes after 
dosing, with PK sampling 
within 30 minutes AFTER 
the ECG assessment. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
36/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
x 
W4, W24, and W96 PK 
collected at 0 hours 
(predose) and 1 sample 
within 30 minutes AFTER 
the ECG assessment. 
ECG assessment should 
be performed 
approximately 
45-60 minutes postdose. 
x 
W156 / ED / EOT PK 
sample collected prior to 
dosing. 
x 
W12, W48, and W72 PK 
collected at 0 hours 
(predose) and 1 sample 
between 1 and 6 hours 
postdose. 
Gene 
expression  
 
X  
 
 
 
 
 
 
 
 
 X  
 
 
 
 X  
 
 
 
 X 
 
 
 X  
 
 
 
X 
 
 To be collected prior to first 
daily dose. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
37/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Pharmaco-
genetics 
 
X  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sample to be collected on 
Day 1 before study 
intervention starts (optional 
for participants who sign 
Pharmacogenetics ICF). If not 
collected on Day 1 or a 
redraw is needed, the sample 
may be obtained at any other 
point of time during the study. 
Biomarkers of 
disease 
(including NfL) 
 
X  
 
 
 
 
 
 
 
 
 X  
 
 
 
 X  
 
 
 
 X 
 X  X  X  X X 
 
 
To be collected prior to first 
daily dose. 
Samples may be repurposed 
to evaluate other biomarkers 
as outlined in Section 8.8. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
38/262 
 
 
 
Intervention Period 
Notes 
Assessments 
& Procedures 
Screeninga 
D1 / Baseline 
W2b 
W3 
W4 
W5
W6b 
W7 
W8b
W9 
W10b 
W11 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24 
W28b 
W32b 
W36 
W40b 
W44b 
W48 
W60 
W72 
W84 
W96 
W108 
W120 
W132 
W144 
W156 / ED / EODBTPc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening period is 
4 weeks and can be extended 
to 12 weeks after approval by 
the Medical Monitor (see 
Section 8). 
b Home visits (if available) 
may be provided as an option. 
c 
EODBTP Visit will be 
performed after trigger of the 
PA (within 28 days). 
d For unscheduled visits, 
assessments not marked 
below may be performed at 
the discretion of the 
Investigator. 
e Safety follow-up visit will 
be performed 28 + 3 days 
after the last study 
intervention administration. 
Novel liver 
function protein 
biomarkers in 
serum 
 
[-----------------------------------------------------X-----------------------------------------------] 
 
 
Samples will be collected at 
each visit; however, analysis 
will only be conducted if 
elevated LFTs are observed 
or if the samples serve as an 
appropriate control sample 
(see Section 8.8. Samples 
may be repurposed to 
evaluate other biomarkers as 
outlined in Section 8.8. 
Novel liver 
function 
genomic 
biomarkers in 
plasma  
 
[-----------------------------------------------------X-----------------------------------------------] 
 
 
Samples will be collected at 
each visit; however, analysis 
will only be conducted if 
elevated LFTs are observed 
or if the samples serve as an 
appropriate control sample 
(see Section 8.8. Samples 
may be repurposed to 
evaluate other biomarkers as 
outlined in Section 8.8. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
39/262 
 
 
9-HPT = 9-Hole Peg Test, AE = adverse event, AESI = adverse event of special interest, ALP = alkaline phosphatase, ALT = alanine aminotransferase, 
AST = aspartate aminotransferase, Cmax = maximum evobrutinib concentration, COVID-19 = coronavirus disease 2019, C-SSRS = Columbia-Suicide Severity 
Rating Scale, D = Day, DNA = deoxyribonucleic acid, ECG = electrocardiogram, ED = Early Discontinuation, EDSS = Expanded Disability Status Scale, 
EODBTP = End-of-Double-Blind Treatment Period, EOT = End-of-Treatment; EQ-5D-5L = EuroQoL 5 Dimension 5 Level, GGT = γ-glutamyl-transferase, 
HBV = hepatitis B virus, HCV = hepatitis C virus, HFE = High Iron Fe (human hemochromatosis protein); HIV = Human Immunodeficiency Virus, ICF = Informed 
Consent Form, IWRS = Interactive Web Response System, LFT = Liver Function Test, MRI = Magnetic Resonance Imaging, MS = multiple sclerosis, 
NfL = Neurofilament Light Chain; PA = primary analysis, PCR = polymerase chain reaction, PGx = Pharmacogenetics, PK = Pharmacokinetic, PRO = Patient 
Reported Outcomes, PROMIS = Patient Reported Outcomes Measurement Information System, RNA = Ribonucleic acid, SAE = Serious Adverse Event, 
SDMT = Symbol Digit Modalities Test, SF-36v2 = 36-Item Short Form Survey Instrument Version 2, SFU = Safety Follow-up, TB = Tuberculosis, T25-FW = Timed 
25-Foot Walk, W = Week, WOCBP = Women Of Childbearing Potential. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
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I N F O R M A T I O N 
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1.3.2 
Schedule of Activities – Double-Blind Extension Period  
Assessments & 
Procedures 
Intervention Period 
SFUd 
Notes 
D1 / Baselinea 
W4 
W8b 
W12 
W16 
W20 
W24 
W36 
W48 
W60 
W72 
W84 
W96 / EODBE 
Unscheduledc 
a D1/Baseline can be performed on the same day as 
the EODBT visit but no later than 28 days. 
D1/Baseline assessments only need to be performed if 
the EODBT visit occurred at least 3 days ago. 
b Home visits (if available) may be provided as an 
option. 
c 
For unscheduled visits, assessments not marked 
below may be performed at the discretion of the 
Investigator. 
d SFU visit will be performed 28 + 3 days after the 
last study intervention administration. 
Visit window (days) 
 
± 3 from W4 to W20 
± 7 from W24 to ~W96/ED/EODBE 
 
 
Path 1 
Participants with at 
least 24 weeks (but less 
than 48 weeks) of 
blinded treatment in the 
DBTP at the time of PA 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X  
Path 2 
Participants with at 
least 48 weeks of 
blinded treatment in the 
DBTP at the time of PA 
X 
 
 
X 
 
 
X 
X 
X 
X 
X 
X 
X 
X 
X  
Informed Consent 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Check if ICF has been signed at Week 156 or 
EODBTP visit before proceeding with the DBE period 
Full Physical 
Examination 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
X Additional examinations may be completed at 
discretion of Investigator. 
Highly sensitive urine 
pregnancy test 
[-----------------------------------------------------X-----------------------------------------------] Monthly urine pregnancy tests to be performed for all 
WOCBP. 
Highly sensitive urine 
pregnancy test (home) 
[--------------------------------------------X-----------------------------------------] 
 
 
Monthly tests performed for all WOCBP. In-between 
visits testing performed at home. (Section 8.3.5). 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
41/262 
 
 
Assessments & 
Procedures 
Intervention Period 
SFUd 
Notes 
D1 / Baselinea 
W4 
W8b 
W12 
W16 
W20 
W24 
W36 
W48 
W60 
W72 
W84 
W96 / EODBE 
Unscheduledc 
a D1/Baseline can be performed on the same day as 
the EODBT visit but no later than 28 days. 
D1/Baseline assessments only need to be performed if 
the EODBT visit occurred at least 3 days ago. 
b Home visits (if available) may be provided as an 
option. 
c 
For unscheduled visits, assessments not marked 
below may be performed at the discretion of the 
Investigator. 
d SFU visit will be performed 28 + 3 days after the 
last study intervention administration. 
TB testing for high TB 
burden countries 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
See Exclusion Criteria 7 and 8. 
TB testing to be repeated at the indicated visits, but at 
least annually (or more frequently at the discretion of 
the Investigator) using the assay that was negative at 
Screening or replacement (refer to Laboratory 
Manual). 
For TB burden countries as defined by WHO (World 
Health Organization 2022, WHO TB Burden 
Estimates).  
QuantiFERON test to be repeated annually at the 
indicated visits. No repeats if completed within 
12 months before D1. 
Efficacy 
For all efficacy assessments, values collected at 
Week 156/EODBTP visit will serve as values for 
Day 1. 
Neurological Evaluation 
EDSS, T25-FW, 9-HPT, 
and SDMT 
X 
 
 
X 
 
 
X 
X 
X 
X 
X 
X 
X 
X 
 
Preferably done after PRO assessments. 
Completed by the Examining Investigator (assessor) 
(or Qualified Examining Designee for T25-FW, 9-HPT, 
and SDMT). 
Relapse assessment 
[-----------------------------------------------------X-----------------------------------------------] 
During unscheduled visits for relapse, EDSS 
assessment is required within 7 days of relapse 
reporting. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
42/262 
 
 
Assessments & 
Procedures 
Intervention Period 
SFUd 
Notes 
D1 / Baselinea 
W4 
W8b 
W12 
W16 
W20 
W24 
W36 
W48 
W60 
W72 
W84 
W96 / EODBE 
Unscheduledc 
a D1/Baseline can be performed on the same day as 
the EODBT visit but no later than 28 days. 
D1/Baseline assessments only need to be performed if 
the EODBT visit occurred at least 3 days ago. 
b Home visits (if available) may be provided as an 
option. 
c 
For unscheduled visits, assessments not marked 
below may be performed at the discretion of the 
Investigator. 
d SFU visit will be performed 28 + 3 days after the 
last study intervention administration. 
MRI scan 
 
 
 
 
 
 
Xe 
 
X 
 
 
 
X 
 
 
An MRI is mandatory at the EODBE/ED Visit if the 
previous MRI was performed more than 4 weeks prior 
to the visit. 
e Applicable to participants in Path A only 
PRO assessments and health resource utilization 
For all PRO assessments, values collected at 
Week 156/EODBTP visit will serve as values for 
Day 1. 
PROMIS Fatigue and 
Physical Functioning, 
EQ-5D-5L 
 
 
 
X 
 
 
X 
X 
X 
X 
X 
X 
X 
 
 
PROs should be completed prior to administration of 
study intervention and prior to any other study 
assessment(s). 
SF-36v2 
 
 
 
 
 
 
X 
 
X 
 
X 
 
X 
 
 
Health Resource 
Utilization 
 
 
 
X 
 
 
X 
X 
X 
X 
X 
X 
X 
 
 
See Section 8.9 
C-SSRS  
X 
 
 
X 
 
 
X 
X 
X 
X 
X 
X 
X 
 
X The Treating Investigator or designee will complete 
this at each assessment. See Section 8.2.7 
Reflex testing for HBV 
DNA 
X 
 
 
 
 
 
X 
 
X 
 
X 
 
X 
 
X 
For participants who are anti-hepatitis B surface 
antibody positive without history of vaccination for 
hepatitis B and/or anti-hepatitis B core antibody 
positive at DBTP Screening, reflex testing for HBV 
DNA by PCR will be performed. 
Evobrutinib 
concentration 
assessment 
 
[-----------------------------------------X---------------------------------------] 
 
 
Analysis will only be conducted if elevated LFTs are 
observed. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
43/262 
 
 
Assessments & 
Procedures 
Intervention Period 
SFUd 
Notes 
D1 / Baselinea 
W4 
W8b 
W12 
W16 
W20 
W24 
W36 
W48 
W60 
W72 
W84 
W96 / EODBE 
Unscheduledc 
a D1/Baseline can be performed on the same day as 
the EODBT visit but no later than 28 days. 
D1/Baseline assessments only need to be performed if 
the EODBT visit occurred at least 3 days ago. 
b Home visits (if available) may be provided as an 
option. 
c 
For unscheduled visits, assessments not marked 
below may be performed at the discretion of the 
Investigator. 
d SFU visit will be performed 28 + 3 days after the 
last study intervention administration. 
Safety Assessments 
Biochemistry and 
Hematology 
X 
 
 
X 
 
 
X 
 
X 
 
X 
 
X 
X 
X  
LFT: ALP, AST, ALT, 
GGT, and Total Bilirubin 
 
Xf 
Xg 
 
Xg 
Xg 
 
Xg 
 
Xg 
 
Xg 
 
 
 
f  Applicable to participants in Path A only 
g  Applicable to participants in Paths A and B 
Hepatic/ Autoimmune 
panel/focused genetic 
testing  
Sample collection and analysis will only be conducted if elevated LFTs 
are observed. 
 
 
See Section 7.1 and Appendix 5. 
Coagulation 
X 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
Coagulation tests will be performed in case of LFT 
elevation. 
Urinalysis (local) 
 
 
 
 
 
 
X 
 
X 
 
X 
 
X 
 
X Urine microscopy should be submitted for central 
evaluation if indicated (see Section 8 and Appendix 5). 
12-lead ECG  
X 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
 
x All ECG assessments must be conducted 
approximately 45 to 60 minutes after study 
intervention administration at the site. 
x Additional ECGs can be done if there are concerns 
about cardiac signs or symptoms and at the 
Investigator’s discretion, if clinically indicated. 
Vital Signs and Weight 
X 
 
 
 
 
 
X 
 
X 
 
X 
 
X 
X 
X  
Blinded Immuno-
globulin levels 
X 
 
 
 
 
 
X 
 
X 
 
X 
 
X 
 
X  
AE, SAE & AESI 
[--------------------------------------------------X------------------------------------------------] 
 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
44/262 
 
 
Assessments & 
Procedures 
Intervention Period 
SFUd 
Notes 
D1 / Baselinea 
W4 
W8b 
W12 
W16 
W20 
W24 
W36 
W48 
W60 
W72 
W84 
W96 / EODBE 
Unscheduledc 
a D1/Baseline can be performed on the same day as 
the EODBT visit but no later than 28 days. 
D1/Baseline assessments only need to be performed if 
the EODBT visit occurred at least 3 days ago. 
b Home visits (if available) may be provided as an 
option. 
c 
For unscheduled visits, assessments not marked 
below may be performed at the discretion of the 
Investigator. 
d SFU visit will be performed 28 + 3 days after the 
last study intervention administration. 
Concomitant Medication 
and Procedures Review 
[--------------------------------------------------X------------------------------------------------] 
 
Study Intervention 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Dispense Study 
Intervention(s) 
X 
 
 
X 
 
 
X 
X 
X 
X 
X 
X 
X 
 
 
 
Study Intervention 
Administration 
[---------------------------------------------X-------------------------------------------] 
 
 
Study intervention must be taken in the fed state. see 
Section 6.1.  
Visits with biomarker collection, first daily dose 
administered during study visit (D1, W48, W96). Diary 
to be reviewed during on-site visits. 
Study Intervention 
Compliance 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Biomarker assessments 
Biomarkers of disease 
(including NfL) 
X 
 
 
 
 
 
X 
 
X 
 
X 
 
X 
 
 
To be collected prior to first (morning) daily dose. 
Samples may be repurposed as outlined in 
Section 8.8.2. 
Gene expression 
X 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
To be collected prior to first daily dose. 
Novel liver function 
protein biomarker in 
serum 
[--------------------------------------------------X------------------------------------------------] 
Samples will be collected at each visit; however, 
analysis will only be conducted if elevated LFTs are 
observed or if the samples serve as an appropriate 
control sample (see Section 8.8). Samples may be 
repurposed to evaluate other biomarkers as outlined in 
Section 8.8. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
45/262 
 
 
Assessments & 
Procedures 
Intervention Period 
SFUd 
Notes 
D1 / Baselinea 
W4 
W8b 
W12 
W16 
W20 
W24 
W36 
W48 
W60 
W72 
W84 
W96 / EODBE 
Unscheduledc 
a D1/Baseline can be performed on the same day as 
the EODBT visit but no later than 28 days. 
D1/Baseline assessments only need to be performed if 
the EODBT visit occurred at least 3 days ago. 
b Home visits (if available) may be provided as an 
option. 
c 
For unscheduled visits, assessments not marked 
below may be performed at the discretion of the 
Investigator. 
d SFU visit will be performed 28 + 3 days after the 
last study intervention administration. 
Novel liver function 
genomic biomarkers in 
plasma 
[--------------------------------------------------X------------------------------------------------] 
Samples will be collected at each visit; however, 
analysis will only be conducted if elevated LFTs are 
observed or if the samples serve as an appropriate 
control sample (see Section 8.8). Samples may be 
repurposed to evaluate other biomarkers as outlined in 
Section 8.8. 
9-HPT = 9-Hole Peg Test, AE = adverse event, AESI = adverse event of special interest, ALP = alkaline phosphatase, ALT = alanine aminotransferase, 
AST = aspartate aminotransferase, BTK = Bruton’s Tyrosine Kinase, Cmax = maximum evobrutinib concentration, COVID-19 = coronavirus disease 2019, 
C-SSRS = Columbia-Suicide Severity Rating Scale, D = Day, DBE = Double-blind Extension, DBTP = Double-Blind Treatment Period, DNA = deoxyribonucleic 
acid, ECG = electrocardiogram, ED = Early Discontinuation, EDSS = Expanded Disability Status Scale, EODBE = End-of-Double-Blind Extension, 
EODBTP = End-of-Double-Blind Treatment Period, EQ-5D-5L = EuroQoL 5 Dimension 5 Level, GGT = γ-glutamyl-transferase, HBV = hepatitis B virus, 
HCV = hepatitis C virus, HIV = Human Immunodeficiency Virus, ICF = Informed Consent Form, IWRS = Interactive Web Response System, LFT = Liver Function 
Test, MRI = Magnetic Resonance Imaging, MS = multiple sclerosis, NfL = Neurofilament light chain; PA = primary analysis; PCR = polymerase chain reaction, 
PD = Pharmacodynamic, PGx = Pharmacogenetics, PK = Pharmacokinetic, PRO = Patient Reported Outcomes, PROMIS = Patient Reported Outcomes 
Measurement Information System, RNA = Ribonucleic acid, SAE = Serious Adverse Event, SDMT = Symbol Digit Modalities Test, SF-36v2 = 36-Item Short Form 
Survey Instrument Version 2, SFU = Safety Follow-up, TB = Tuberculosis, T25-FW = Timed 25-Foot Walk, W = Week, WOCBP = Women Of Childbearing 
Potential. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
46/262 
 
 
1.3.3 
Schedule of Activities – Open-label Extension Period  
 
Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
Visit window 
(days) 
 
 
±3 from W2 to W44 
±7 from W48 to 
W96/ED/EOT  
 
 
Path A: 
participants not 
previously 
exposed to 
evobrutinib or 
treatment arm 
in DBTP and 
DBE unknown 
X 
X 
X X X X X X X X X X X X X X X X X X X X X X X X X X X X 
X  
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
47/262 
 
 
Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
Only applicable after unblinding of the study 
 
Path B: 
participants 
previously 
exposed to 
evobrutinib for 
at least 
24 week (but 
less than 
48 weeks) 
X 
X 
 
 
X 
 
 
 
X 
 
 
 
X 
 
X 
 
X 
 
X 
 
 
X 
 
 
X X X X X X 
X 
Paths B and C are only 
applicable once the study has 
been unblinded. 
Path C: 
participants 
previously 
exposed to 
evobrutinib for 
at least 
48 weeks 
X 
X 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
 
X 
 
 
X X X X X X 
X 
Paths B and C are only 
applicable once the study has 
been unblinded. 
Informed 
Consent 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
48/262 
 
 
Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
Inclusion and 
Exclusion 
Criteria 
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Review before first dose of 
study intervention.  
f 
Confirm AEP was 
completed prior to D1 
Full Physical 
Examination 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
X 
Additional examinations may 
be completed at discretion of 
Investigator. 
Highly 
sensitive urine 
pregnancy test  
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
X 
Required if last monthly urine 
test was ≥ 1 month; serum test 
must be performed if positive 
urine test pregnancy reported. 
(Section 8.3.5). 
Highly 
sensitive urine 
pregnancy test 
(home) 
 
[-----------------------------------------------------X-------------------------------------------------] 
 
 
Monthly tests performed for all 
WOCBP. In-between visits 
testing performed at home. 
(Section 8.3.5). 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
49/262 
 
 
Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
TB testing for 
high TB 
burden 
countries 
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
For TB burden countries as 
defined by WHO (World Health 
Organization 2022, WHO TB 
Burden Estimates).  
QuantiFERON test to be 
repeated annually at the 
indicated visits. No repeats if 
completed within 12 months 
before D1. 
Efficacy 
Neurological 
examination/ 
EDSS 
X 
X 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
X 
 
X Xg 
X 
g Neurological examinations 
are not needed if the 
unscheduled visit is for safety 
follow-up. 
Relapse 
assessment 
 
[--------------------------------------------------------X ------------------------------------------------------------] 
During unscheduled visits for 
relapse, EDSS assessment is 
required. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
50/262 
 
 
Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
T25-FW,  
9-HPT and 
SDMT 
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
 
PRO assessments and health resource utilization 
PROMISnq PF 
(MS) 15a and 
PROMIS 
Fatigue (MS) 
8a 
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
X 
 
X 
 
 
PROs should be completed 
prior to administration of study 
intervention and prior to any 
other study assessment(s). 
EQ-5D-5L 
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
WPAI:MS v2.0 
 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
Health 
Resource 
Utilization 
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
 
Safety assessments 
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Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
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Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
AE, SAE & 
AESI Review 
[-------------------------------------------------X -------------------------------------------------------------------] 
AE review to be started after 
ICF is signed 
AEP and 
Teriflunomide 
level 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Path A: All participants MUST 
undergo AEP. See Section 8. 
C-SSRS  
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
X 
The Treating Investigator or 
designee will complete this at 
each assessment. See 
Section 8.2.7 
Reflex testing 
for HBV DNA 
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
X 
For participants who are anti-
hepatitis B surface antibody 
positive without history of 
vaccination for hepatitis B 
and/or anti-hepatitis B core 
antibody positive at DBTP 
Screening, reflex testing for 
HBV DNA by PCR will be 
performed. 
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Phase III Study of Evobrutinib in RMS 
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Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
Biochemistry 
and 
Hematology 
X 
X 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
X 
 
X X 
X 
Laboratory results from 
W156/EOT visit of DBE period 
to be used for OLE screening. 
See Section 7.1 and Appendix 
5. 
LFT: ALP, 
AST, ALT, 
GGT, and 
Total Bilirubin 
 
 
X X X X X X X X X X 
 
X X X X X 
 
X X X X X 
 
X 
 
X 
 
 
 
Path A: W1, W2, W3, W4, W5, 
W6, W7, W8, W9, W10, W11, 
W14, W16, W18, W20, W22, 
W28, W32, W36, W40, W44, 
W60, W84 
Path B: W4, W8, W16, W20, 
W36, W60, W84, 
Path C: W36, W60, W84  
If elevated, LFTs will be 
repeated along with additional 
testing (see Section 7.1). 
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Phase III Study of Evobrutinib in RMS 
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Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
Hepatic/ 
Autoimmune 
panel/focused 
genetic testing 
(e.g., HFE) 
Sample collection and analysis will only be conducted if elevated LFTs are observed. 
 
 
See Section 7.1 and Appendix 
5. 
Coagulation 
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
Coagulation tests will be 
performed in case of LFT 
elevation. 
Urinalysis 
(local) 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
X 
 
X 
 
X 
Urine microscopy should be 
submitted for central evaluation 
if indicated (see Section 8 and 
Appendix 5).  
Vital Signs and 
Weight 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
X 
 
X X 
X  
12-lead ECG  
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
 
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Phase III Study of Evobrutinib in RMS 
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Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
Concomitant 
Medication and 
Procedures 
Review 
 
[-----------------------------------------------------X ----------------------------------------------------------------] 
 
Study Intervention 
Dispense 
Study 
Intervention(s) 
 
X 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
 
X 
 
 
X 
 
X 
 
 
 
 
Dispense as needed per IWRS 
Study 
Intervention 
Administration 
 
 
[---------------------------------------------X ---------------------------------------------------------] 
 
 
Study intervention must be 
taken in the fed state. see 
Section 6.1.  
Visits with biomarker collection, 
first daily dose administered 
during study visit (D1, W48, 
W96). Diary to be reviewed 
during on-site visits. 
Optional OLE MRI and Blood Biomarker Sub-studies (selected participants/sites/countries) (See Sections 8.1.2 and 8.8) 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
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Assessments 
& Procedures 
Screeninga 
Intervention Period 
 
Notes 
D1/Baseline 
W2b 
W3b 
W4b 
W5b 
W6b 
W7b 
W8b 
W9b 
W10b 
W11b 
W12 
W14b 
W16b 
W18b 
W20b 
W22b 
W24c 
W28b 
W32b 
W36 
W40b 
W44b 
W48c 
W60 
W72c 
W84 
W96/ED/EOTc 
Unscheduled Visitd 
Safety Follow-upe 
a Screening assessments for 
the OLE will be performed 
during the last visit of the DBE 
period. 
b Home visits (if available) 
may be provided as an option. 
c 
Possible transfer points to 
the long-term follow-up study 
are Weeks 24, 48, 72, or 96. At 
the transfer point, assessments 
should be done as per 
W96/ED/EOT Visit schedule. 
d For unscheduled visits, 
assessments not marked below 
may be performed at the 
discretion of the Investigator. 
e SFU visit will be performed 
28 + 3 days after the last study 
intervention administration. 
MRI scan  
Xh 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
h End-of-DBE MRI will serve 
as Baseline scans in OLE MRI 
substudy. 
T, B, and NK 
cell count 
 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
 
 
X 
 
X 
 
X 
 
X  
Immuno-
globulin levels  X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
X  
Biomarkers of 
disease 
(including NfL) 
X 
X 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
X 
 
 
 
X 
 
 
To be collected prior to first 
(morning) daily dose. Samples 
may be repurposed as outlined 
in Section 8.8.2. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
 
C O N F I D E N T I A L 
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9-HPT = 9-Hole Peg Test, AE = adverse event; AEP = accelerated elimination procedure, AESI = adverse event of special interest, ALP = alkaline phosphatase, 
ALT = alanine aminotransferase, AST = aspartate aminotransferase, C-SSRS = Columbia-Suicide Severity Rating Scale, D = Day, DBE = Double-blind Extension, 
DBTP = Double-Blind Treatment Period, DNA = deoxyribonucleic acid, ECG = electrocardiogram, ED = Early Discontinuation, EDSS = Expanded Disability Status 
Scale, EOT = End-of-Treatment, EQ-5D-5L = EuroQoL 5 Dimension 5 Level, GGT = γ-glutamyl-transferase, HBV = hepatitis B virus, HFE = High Iron Fe (human 
hemochromatosis protein), ICF = Informed Consent Form, Ig = Immunoglobulin, IWRS = Interactive Web Response System, LFT = Liver Function Test, 
MRI = Magnetic Resonance Imaging, MS = multiple sclerosis, NfL = Neurofilament light chain, OLE = Open-label Extension, PRO = Patient Reported Outcomes, 
PROMIS = Patient Reported Outcomes Measurement Information System, SAE = Serious Adverse Event, SDMT = Symbol Digit Modalities Test, SFU = Safety 
follow-up, TB = Tuberculosis, T25-FW = Timed 25-Foot Walk, W = Week, WOCBP = Women Of Childbearing Potential, WPAI:MS = Work Productivity and Activity 
Impairment Questionnaire: Multiple Sclerosis 
 
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Phase III Study of Evobrutinib in RMS 
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2 
Introduction  
Evobrutinib is a potent, orally administered, highly selective, irreversible inhibitor of BTK 
that is being developed for the treatment of RMS. 
Complete information on the chemistry, pharmacology, efficacy, and safety of evobrutinib is 
in the current Investigator’s Brochure. 
2.1 
Study Rationale  
The purpose of this study is to characterize the efficacy and safety of evobrutinib 45 mg 
administered orally twice daily versus teriflunomide (Aubagio®; 14 mg once a day orally) in 
participants with RMS. 
Evobrutinib inhibits activation of B cells via the B cell receptor. In addition, evobrutinib 
inhibits activation of myeloid cells by immune complexes via Fc receptors as well as the 
differentiation of proinflammatory macrophages. Thus, evobrutinib may be suitable for the 
treatment of MS. 
The main randomized, double-blind, placebo-controlled Phase II study of evobrutinib with a 
parallel, open label, active control group (dimethyl fumarate [Tecfidera®]), in patients with 
RMS to evaluate efficacy, safety, tolerability, PK, and biological activity (MS200527_0086) 
is completed; the OLE part of the study is ongoing. The study consisted of first a 24-week 
period, in which 267 participants were randomized to evobrutinib 25 mg once daily (n = 52), 
75 mg once daily (n = 53), 75 mg twice daily (n = 54), dimethyl fumarate 240 mg twice daily 
(provided open label) (n = 54), or placebo (n = 54). Data from the first 24-weeks were 
analyzed for the primary analysis (PA). Following the 24-week period, all remaining 
participants continued to be treated for an additional 24-week period as follows: participants 
who received previously evobrutinib 25 mg once daily, 75 mg once daily, 75 mg twice daily, 
or dimethyl fumarate, continued to be treated with their original treatment, and participants 
who received placebo for the first 24-weeks were switched to evobrutinib 25 mg once daily. 
Treatment assignment remained blinded with the exception of dimethyl fumarate which was 
open label throughout the study. The first 48 weeks analysis is referred to as the BEA. For the 
PA, efficacy analysis consisted of the comparison between the placebo and evobrutinib 
treatment groups. No formal comparison between the dimethyl fumarate and the evobrutinib 
treatment groups was performed for either the PA or the BEA. 
In the PA, the primary efficacy endpoint of the Phase II study was the total number of 
gadolinium-enhancing T1 lesions at Weeks 12, 16, 20, and 24. The primary efficacy analysis 
was a comparison of each evobrutinib dose arm versus placebo based on lesion rate (lesions 
per scan) ratio, adjusted for Baseline lesion activity. The primary endpoint of the study was 
met, and both evobrutinib 75 mg once daily (lesion rate ratio 0.30, 95% CI: 0.14, 0.63; 
p = 0.0015 [unadjusted], p = 0.046 [adjusted according to Hochberg]) and evobrutinib 75 mg 
twice daily (lesion rate ratio 0.44, 95% CI: 0.21, 0.93; p = 0.0313 [unadjusted], p = 0.0648 
[adjusted according to Hochberg]) were associated with a reduction in T1 Gd+ lesion rate 
compared to placebo (Montalban 2020).  
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Phase III Study of Evobrutinib in RMS 
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The first key secondary endpoint was ARR at 24-weeks. A trend towards a reduction in ARR 
(unadjusted [95% CI]) was seen with evobrutinib 75 mg once daily (0.13 [0.03, 0.38]; p = 
0.09) and evobrutinib 75 mg twice daily (0.08 [0.01, 0.30]; p = 0.06) versus placebo (0.37 
[0.17, 0.70]), with evidence of a dose response (p = 0.014). 
In the BEA, results showed an unadjusted ARR at 48 weeks of 0.11 (95% CI: 0.04, 0.25) for 
evobrutinib 75 mg twice daily and 0.25 (95% CI: 0.12, 0.44) for evobrutinib 75 mg once daily 
indicating that the efficacy trend observed during the first 24-week period was sustained 
during the second 24-week period, with greater clinical sustained efficacy in the 75 mg twice 
daily group. The results of the Phase II OLE (cutoff 26 September 2019) indicate that the 
participants from the evobrutinib 75 mg twice daily arm had an ARR of 0.11, consistent with 
what was observed at the end of the main study (Week 48, cutoff 13 July 2018). 
Evobrutinib at 45 mg twice daily in the fed state is expected to be similar to the tested 75 mg 
twice daily dose in the fasted state based on the available exposure/response data (see 
Section 4.3). 
These results provide evidence of evobrutinib’s efficacy compared to placebo. Clinical 
development efforts in the MS indication will focus specifically on RMS, with potential 
expansion into progressive MS (and SPMS) with subclinical CNS inflammation. 
Reversible elevations in transaminases (ALT and AST) have been observed in participants 
randomized to evobrutinib in the RMS Phase II study (MS200527_0086). This finding, and 
the overall safety and risk-benefit assessment of evobrutinib are discussed further in Section 
2.3 and Section 4.3. 
Taken together, efficacy and safety data from this study support progression into Phase III. 
Refer to the Investigator’s Brochure for further information about the nonclinical and clinical 
programs and Guidance for the Investigator. 
2.2 
Background  
Currently there is no cure for MS, but the course of the disease can be altered favorably with 
DMT with varying levels of efficacy, and distinct safety and tolerability profiles. Most active 
RMS patients initiate treatment with an interferon-beta or glatiramer acetate therapy. Oral 
DMTs including dimethyl fumarate and teriflunomide are also used as first-line agents. If 
responding suboptimally, patients can be treated with an alternative, second-line oral therapy 
such as cladribine and fingolimod, or infusion agents such as natalizumab and ocrelizumab. 
Generally, DMTs perceived to be more efficacious have also been shown to be associated 
with more significant adverse effects, ranging from serious infections (i.e., PML) to 
autoimmunity and cancer. Switching among these DMTs occurs primarily due to perceived 
lack of efficacy or the occurrence of AEs, as well as individual patient preferences. 
Despite the recent approvals of newer therapies for the treatment of MS, there remains an 
unmet need for highly effective and disease-modifying therapies that address not only 
inflammation but also disability progression within the CNS for patients with MS at all stages 
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Phase III Study of Evobrutinib in RMS 
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of the disease. Early treatment with a highly efficacious and safer DMT could be 
advantageous for long-term quality of life for MS patients and might slow the process of brain 
atrophy, which accompanies axonal damage and loss of grey and white matter. 
Evobrutinib is a highly specific, oral inhibitor of BTK that inhibits B cell activation and 
B cell/T cell interaction, decreasing plasma cell formation and autoantibody production 
(Investigator Brochure, Haselmayer 2017). In addition, evobrutinib was shown to inhibit M1 
macrophage survival and proinflammatory cytokine release and promotes M2 polarization of 
reparative human monocytes in vitro (Alankus 2018). In line with the in vitro data, evobrutinib 
demonstrated pharmacological efficacy in both B cell and T cell dependent mouse models of 
MS, by reducing CNS inflammation and amelioration of disease severity (Boschert 2017, 
Torke 2018). Since B cell depletion studies have shown that antibody independent B cell 
functions play an important role in MS pathogenesis (Bar-Or 2010, Fraussen 2016, 
Jelcic 2018) and an altered innate immune system contributes to disability progression and 
repair in MS (Vogel 2013, Rawji 2016), evobrutinib may offer advantages over current 
approved DMTs. 
Clinical efficacy was recently demonstrated with B cell depleting anti-CD20 therapies in 
Phase II and Phase III clinical studies in RMS and progressive MS (Hauser 2008, 
Hawker 2009, Montalban 2016, Wolinsky 2016). Ocrelizumab (Ocrevus®) inhibited the 
formation of new inflammatory MRI lesions up to 90% (Hauser 2008) in Phase II RMS 
studies and high efficacy on MRI (-94%), ARR (-46%), and 24-week disease progression 
(-40%) was also reached in OPERA Phase I, II, and III studies against interferon-beta. 
Translational mechanism of action studies in anti-CD20 treated RMS patients show 
diminished proliferation and proinflammatory differentiation of T cells (Bar-Or 2010), 
pointing towards abrogation of antigen presenting cell function as the primary mechanism. In 
addition to the role of anti-CD20 in B cell antigen presentation, a recent publication of Li et 
al (Li 2015) describes a diminished proinflammatory myeloid cell response in ocrelizumab 
treated MS participants. Evobrutinib shows inhibition of myeloid cell activation by immune 
complexes. 
Preclinical proof of concept with evobrutinib has been demonstrated for SLE/lupus nephritis, 
experimental autoimmune encephalomyelitis, RA and passive cutaneous anaphylaxis. Oral 
evobrutinib does not deplete B cells in the studies carried out to date and, upon withdrawal, 
restoration of immune function can be achieved in days. This is less than treatment with anti-
CD20 therapies, where restoration of the immune system can take months, and is important 
should the need to interrupt or stop therapy arise. This suggests that a more favorable benefit 
to risk balance with respect to infections for evobrutinib versus anti-CD20 therapies may be 
observed. In addition, BTK inhibitors might have broader efficacy than agents that cause B 
cell depletion, due to the importance of BTK activation downstream of various receptors 
expressed in myeloid cells, suggesting an additional direct effect of evobrutinib on innate 
immune cell activation induced by immune complexes, cytokines/chemokines, or TLR 
activation (Block 2012, López-Herrera 2014, Whang 2014). A direct myeloid inhibition 
activity also best explains the significant reduction of clinical score, relapse rate, and time to 
first relapse in T cell dependent experimental autoimmune encephalomyelitis models, in 
which anti-CD20 antibodies do not work. 
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Phase III Study of Evobrutinib in RMS 
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2.3 
Benefit/Risk Assessment  
Benefit 
In the PA of the MS200527_0086 study, evobrutinib significantly decreased the number of 
T1 Gd+ lesions at Weeks 12, 16, 20, and 24 in participants with RMS. Similar to the 
relationship seen for the MRI endpoints, evobrutinib 75 mg once and twice daily was 
associated with a lower ARR compared to placebo. In the OLE, the ARR remained low and 
similar to those observed in the PA and BEA. These results show evobrutinib is efficacious 
in participants with RMS, and consequently warrant further investigation in Phase III clinical 
studies.  
Important Identified Risks 
As of July 2022, more than 2,490 participants in completed and ongoing clinical studies have 
been exposed to evobrutinib including healthy volunteers, participants with RMS, SLE, or 
RA, and participants with renal and hepatic impairment. The incidence of SAEs and TEAEs 
leading to withdrawal of study intervention was ≤ 10% in completed SLE, RA, or RMS 
studies. 
Overall, evobrutinib demonstrated manageable tolerability based on the completed and 
ongoing clinical studies across various indications. Observed TEAEs resolved after treatment 
discontinuation and did not result in permanent disabilities. In the ongoing blinded Phase III 
studies, cases of DILI have been reported, which were typically asymptomatic and were 
resolving after drug discontinuation. The TEAEs have been primarily mild to moderate in 
severity. 
Important Potential Risk 
Important Potential Risk: Severe DILI, i.e., Requiring Transplant or Leading to Death 
Based on the important identified risk DILI, there is a theoretical consideration that 
evobrutinib may have the potential to cause severe DILI defined as liver organ failure, i.e., 
requiring transplant or leading to death. Hence, severe DILI, i.e., requiring transplant or 
leading to death is considered an important potential risk for evobrutinib. 
Important Potential Risk: Embryo-Fetal Toxicity 
Embryo-fetal toxicity has been classified as an important potential risk based on nonclinical 
experience with evobrutinib (refer to the IB), as well as other drugs in the same class. Results 
of nonclinical studies carried out in experimental models show that there is a risk of harm, 
which could lead to increased rates of stillbirth, abortion, or cleft palate and limb deformities. 
While nonclinical data suggest no risk for male-mediated developmental effects, female 
participants of childbearing potential must use highly effective contraception and barrier 
method during the study and some period after the study is completed, as specified in the 
clinical study protocols. 
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Given these observations, this protocol excludes participants with hemochromatosis, Wilson’s 
disease, alpha-1-antitrypsin deficiency, or any other chronic liver disease including Gilbert’s 
disease and > 1.5 × ULN values for ALT, AST, and total bilirubin, > 2 × ULN amylase, or 
lipase elevation at Screening. During the study, liver transaminase will be monitored weekly 
during the first 12 weeks of DBTP and OLE, and every 2 weeks thereafter, for the first 
6 months of exposure to evobrutinib. The protocol has strict stopping criteria for liver 
transaminase and total bilirubin elevations leading to treatment discontinuation and timely 
medical management. Also, relevant data will be reviewed by a Hepatology Assessment 
Committee (HAC) with appropriate expertise, which will report findings to the IDMC for 
consideration with appropriate expertise. 
Investigations on embryo-fetal development in toxicological studies showed an increased 
incidence of malformations (mainly cleft palate) and skeletal variations in mice when 
compared to the control group, and abortions and/or vaginal bleeding during the last period 
of gestation in rabbits. In addition, an increase of resorptions, and a lower mean fetal weight 
were also seen.  
Based on these investigations, embryo-fetal toxicity is considered as an important potential 
risk in participants exposed to evobrutinib. Therefore, female participants of childbearing 
potential must not be pregnant, must have a negative pregnancy test at the time of enrollment 
and use highly effective contraception (as specified in the clinical study protocol) during the 
study period and after the last dose, and should not donate eggs, as risk mitigation measures 
(for further details, see Section 5.1). 
Adverse Events of Special Interest 
Although no causal relationship has been established, AESIs including infections (serious and 
opportunistic infections), lipase and amylase elevation, and seizure, are under close 
monitoring.  
Due to the dominant role of CYP3A4/5 in the metabolism of evobrutinib, the compound may 
be a victim of DDI caused by inhibition (competitive/time-dependent) or induction of this 
enzyme by coadministered perpetrator drugs. The results of the completed clinical CYP DDI 
study (MS200527_0054) demonstrated that coadministration of evobrutinib with a moderate 
(e.g., fluconazole) or strong (e.g., itraconazole) CYP3A4 inhibitor resulted in a significant 
DDI. Evobrutinib peak and total exposures were increased by approximately 2.5- to 3.4-fold 
when evobrutinib was dosed concurrently with fluconazole or itraconazole. Based on these 
observations, the coadministration of medications that are moderate or strong inhibitors or 
inducers of CYP3A4/5 is not permitted during ongoing clinical studies. 
No new potential risks emerged from the completed studies: EMR200527_001, 
MS200527_0019, MS200527_0017, MS200527_0022, EMR200527_002, MS200527_0081, 
MS200527_0060, MS200527_0018, MS200527_0073, and MS200527_0074. 
Evobrutinib is a BTK inhibitor and, as such, works as an immunomodulator. There was some 
decrease in IgM, an increase in IgA, and IgG levels remained stable following treatment with 
evobrutinib. There was a decrease in CD19+ B cells and mature-naïve B cells, but no evidence 
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of a change in memory B cell levels. The changes in B cells, IgA and IgM levels do not appear 
to be associated with an enhanced risk of infections, but the significance of these changes is 
not known (Montalban 2020). BTK is not required to clear viral infections, apart from 
enteroviruses. There is currently no evidence that evobrutinib treatment leads to a higher risk 
of SARS-CoV-2 infection, or a more severe disease. While no data regarding evobrutinib and 
COVID-19 are available, published data on approved BTK inhibitors (e.g., ibrutinib, 
acalabrutinib) used in oncology suggest a protective effect of BTK inhibitors for severity and 
mortality of COVID-19 (Scarfò 2020, Thibaud 2020, Treon 2020). 
The evobrutinib data suggest that the risk of infections, including severe and opportunistic 
infections, is not higher than that observed with other disease-modifying treatments in MS, 
and no side effects have been identified that could exacerbate SARS-CoV-2 infection or mask 
COVID-19 symptoms.  
Similarly, while teriflunomide is, like evobrutinib, an immunomodulatory agent, published 
reports of patients with MS and COVID-19 while on treatment with teriflunomide do not 
suggest an increased risk to patients, but rather a milder course of disease while on treatment 
(Ciardi 2020, Bollo 2020, Maghzi 2020, Möhn 2020). 
The recommendation by the Multiple Sclerosis International Federation is to continue 
disease-modifying treatment in MS to offset the risk of relapses, as the risk of disease rebound 
outweighs the risk of SARS-CoV-2 infection (MS International Federation 2020). 
To mitigate the risk of contracting COVID-19 during the study, there is flexibility in the 
timing of MRI assessments postscreening on a case-by-case basis. Safety labs, including liver 
function monitoring, may be collected during home visits, if available, and if permitted per 
local laws and regulations. 
In case a SARS-CoV-2 infection occurs during this study, interruption of the study treatment 
and treatment of COVID-19 are recommended as clinically indicated. After recovery, the 
continuation of the study will be at the Investigator’s discretion and in agreement with the 
medical monitoring team.  
The Sponsor will monitor the events related to any SARS-CoV-2 infection regularly. In 
addition, the IDMC will review the impact of any SARS-CoV-2 infection of a study 
participant as part of their activities and will provide recommendations, if required. 
Following the review of the totality of the safety data from the concluded clinical studies with 
evobrutinib, overall, evobrutinib was reported as well tolerated in patients with MS up to 
75 mg twice daily. The safety profile of evobrutinib has been consistent across doses and 
indications. No dose-related relationship has been observed for the most frequently reported 
TEAEs. Furthermore, evobrutinib at 45 mg twice daily in the fed state is expected to be similar 
to the tested 75 mg twice daily dose in the fasted state based on the available 
exposure/response data (see Section 4.3). 
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Benefit-Risk Conclusion 
Overall, considering the unmet medical need in MS patients, reduction of MS activities 
(decreased the number of T1 Gd+ lesions and lower ARR compared with placebo), 
convenience of an oral therapy and the measures put in place to mitigate the important 
identified and important potential risks, the benefit-risk of evobrutinib 45 mg twice daily fed 
supports continued clinical development of evobrutinib in this population. 
More detailed information about the known and expected benefits and risks and reasonably 
expected AEs of evobrutinib may be found in Section 4.2 and the Investigator’s Brochure. 
More detailed information about the known risks and benefits of teriflunomide are provided 
in the locally approved product information (e.g., relevant SmPC or the USPI). 
The anticipated benefit for participants with RMS outweighs the risks as described in the 
paragraphs above. Based on the available nonclinical and clinical data to date, the conduct of 
the study, as specified in this protocol, is considered justifiable. 
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3 
Objectives and Estimands  
Table 1 
Primary and Secondary Objectives, Endpoints and Estimands for 
the Double-blind Treatment Period  
Objectives 
Estimand Attributes 
Primary 
To demonstrate superior 
efficacy with evobrutinib 
compared to teriflunomide in 
terms of ARR 
Endpoint: ARR based on qualified relapses up to 
156 weeks in participants with RMS 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death attributable to MS or treatment: Composite 
variable 
x Death unattributable to MS or treatment: While 
Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: relapse rate ratio and CI 
(NB model), with test of treatment effect based on test of 
relapse rate ratio 
Secondary 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide on disability 
progression 
Endpoints:  
x Time to first occurrence of 12-week CDP as 
measured by the EDSS up to 156 weeks 
x Time to first occurrence of 24-week CDP as 
measured by the EDSS up to 156 weeks 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death attributable to MS or treatment: Composite 
variable 
x Death unattributable to MS or treatment: While 
Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: hazard ratio and CI (Cox 
model), with test of treatment effect based on logrank test 
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Objectives 
Estimand Attributes 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide on disability 
improvement 
Endpoints:  
x Time to first occurrence of 24-week CDI as 
measured by the EDSS up to 156 weeks 
Population: Patients with RMS as defined by 
inclusion/exclusion criteria and who have baseline 
EDSS ≥ 2.0 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death (any cause): While Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: hazard ratio and CI (Cox 
model), with test of treatment effect based on logrank test 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide on patient 
reported symptoms and 
functional status 
Endpoints:  
x CFB in PROMIS PF score over 96 weeks 
x CFB in PROMIS Fatigue score over 96 weeks 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death (any cause): While Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: difference of average least-
squares means of score CFB (average over Weeks 72, 84, 
and 96 for PROMIS PF and average over Weeks 48, 60, 
72, 84, and 96 for PROMIS Fatigue)and CI (MMRM 
model), with test of treatment effect based on difference 
of average least-squares means 
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Objectives 
Estimand Attributes 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide on MRI lesion 
parameters 
Endpoints:  
x Total number of T1 Gd+ lesions based on all 
available MRI scans 
x Number of new or enlarging T2 lesions on the last 
available MRI scan relative to the baseline MRI 
scan 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death (any cause): While Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: lesion rate ratio and CI (NB 
model), with test of treatment effect based on test of 
lesion rate ratio 
To demonstrate the efficacy of 
evobrutinib relative to that of 
teriflunomide by evaluating 
response on NfL 
concentrations in serum 
Endpoint:  
x NfL concentration at 12 weeks 
Population: 
Patients 
with 
RMS 
as 
defined 
by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Treatment discontinuation: Treatment policy 
x Death (any cause): While Alive 
x Ukraine crisis: Hypothetical 
Population-Level Summary: difference of geometric 
means at 12 weeks and CI (MMRM model), with test of 
treatment effect based on difference of least-squares 
means 
To characterize the safety and 
tolerability of evobrutinib. 
Endpoints:  
x Safety as assessed by the nature, severity, and 
occurrence of AEs and AESIs; vital signs; ECGs; 
absolute concentrations and CFB in Ig levels; and 
clinical laboratory safety parameters up to the end of 
the Safety Follow-up period 
Population: Patients with RMS as defined by 
inclusion/exclusion criteria 
Treatment: Evobrutinib versus teriflunomide 
Intercurrent Event Strategy:  
x Ukraine crisis: Hypothetical 
Population-Level Summary: Not applicable 
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Table 2 
Tertiary/Exploratory 
Objectives 
and 
Endpoints 
for 
the 
Double-blind Treatment Period  
Objectives 
Endpoints (Outcome Measures) 
Tertiary/Exploratory 
 
To evaluate the effect of 
evobrutinib compared to 
teriflunomide on clinical 
parameters 
x ARR based on qualified relapses at Weeks 48 and 96 
x Time to first qualified relapse over 156 weeks 
x Qualifying relapse-free status at Week 96 
x 12-week confirmed EDSS progression free status at 
Week 96 
x 24-week confirmed EDSS progression free status at 
Week 96 
x 12-week confirmed disability improvement status at 
Week 96 
x 24-week confirmed disability improvement status at 
Week 96 
To evaluate the efficacy of 
evobrutinib relative to that of 
teriflunomide on MRI 
parameters 
x T1 Gd+ lesion free status at Week 96 based on 
assessments up to Week 96 
x Change in volume of T1 Gd+ lesions from Baseline to 
Week 96 based on assessments up to Week 96 
x New or enlarging T2 lesion free status at Week 96 
based on assessments up to Week 96 
x Change in volume of T2 lesions from Baseline to 
Week 96 based on assessments up to Week 96 
x CUA lesion free status at Week 96 based on 
assessments up to Week 96  
x Total number of CUA lesions based on all available 
MRI scans  
x Total number of new T1 hypo-intense lesions based on 
all available MRI scans 
x Percentage change in BV from Week 24 to Week 96 
based on assessments up to Week 96  
x Percentage change in thalamic volume from Week 24 
to Week 96 based on assessments up to Week 96 
x Percentage change in cortical grey matter volume 
from Week 24 to Week 96 based on assessments up to 
Week 96 
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Objectives 
Endpoints (Outcome Measures) 
x Change in normalized T1 intensity within pre-existing 
nonenhancing T2 weighted lesion volume from 
Baseline to Week 96 based on assessments up to Week 
96 
x Volume of SELs based on scans at Weeks 24, 48, and 
96 
x Change in number of PRL at Weeks 24, 48, and 96 
x Change in CBF in NAWM at Weeks 24, 48, and 96 
To evaluate the effect of 
evobrutinib compared to 
teriflunomide on functional 
parameters 
x Time to ≥ 20% increase (confirmed at 12 weeks) in 
T25-FW up to 156 weeks 
x Time to ≥ 20% increase (confirmed at 12 weeks) in 
9-HPT up to 156 weeks 
To evaluate the effect of 
evobrutinib compared to 
teriflunomide on composite 
parameters 
x NEDA-3 at Week 48, Week 96 defined by: 
o Qualifying relapse-free status 
o T1 Gd+ lesions free status and new or enlarging 
T2 lesion free status 
o 12-week confirmed EDSS progression free status 
x Time to first occurrence of 12-week CDP up to 
156 weeks based on a composite score defined by: 
o 12-week confirmed EDSS progression (at least 
0.5- or 1.0- point change, depending on the 
Baseline EDSS) or; 
o 12-week confirmed worsening (≥ 20%) in 
T25-FW versus Baseline or; 
o 12-week confirmed worsening (≥ 20%) in 9-HPT 
versus Baseline 
x NEP at Week 48, Week 96 as defined by: 
o No 12-week CDP on EDSS 
o No 12-week confirmed worsening (≥ 20%) in 
9-HPT score 
o No 12-week confirmed worsening (≥ 20%) in 
T25-FW time 
x NEPAD at Week 48, Week 96 as defined by: 
o No protocol-defined relapses on treatment 
o No 12-week CDP on EDSS 
o No 12-week confirmed worsening (≥ 20%) in 
9-HPT score 
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Objectives 
Endpoints (Outcome Measures) 
o No 12-week confirmed worsening (≥ 20%) in 
T25-FW time 
o No new or enlarging T2 lesions and no T1 Gd+ 
lesions on MRI 
To evaluate the efficacy of 
evobrutinib relative to that of 
teriflunomide on progression 
independent of relapse activity 
x Time to PIRA, where disability progression is defined 
for each of 2 endpoints as follows: 
o 12-week CDP on EDSS 
o 12-week confirmed worsening as a composite of 
3 endpoints (EDSS, 9HPT, T25-FW) 
To evaluate the efficacy of 
evobrutinib relative to that of 
teriflunomide on progression 
independent of relapse and 
brain MRI activity 
x Time to PIRMA, where disability progression is 
defined for each of 2 endpoints as follows: 
o 12-week CDP on EDSS 
o 12-week confirmed worsening as a composite of 
the 3 endpoints (EDSS, 9HPT, T25-FW) 
To evaluate the efficacy of 
evobrutinib relative to that of 
teriflunomide on cognitive 
function 
x Change from Baseline in SDMT score at Week 48, 
Week 96  
To evaluate the efficacy of 
evobrutinib relative to that of 
teriflunomide on patient 
reported symptoms and 
functional status 
x Change from Baseline in PROMIS PF score at 
Week 48, Week 96, and Week 144  
x Change from Baseline in PROMIS Fatigue score at 
Week 48, Week 96, and Week 144  
x Time to first occurrence of 12-week confirmed PF 
deterioration compared to Baseline (decrease of at 
least 
2.7 
points 
on 
PROMIS 
PF 
score)  
up to 156 weeks 
x Change from Baseline in Patient Reported Outcome 
scores at Week 48, Week 96, and Week 144: 
o Medical Outcomes SF-36v2 
o EQ-5D-5L 
To evaluate the effect of 
evobrutinib on HRU relative to 
that of teriflunomide up to 
156 weeks 
x Absolute values of HRU, including but not limited to 
doctor/home/emergency visits, hospitalizations, paid 
assistance, and missed work 
To characterize the PK profile 
of evobrutinib in participants 
with MS and to describe the 
exposure-response relationship 
x PK parameters: CL/F, Vz/f, Cmax, and AUC after a 
single dose (Day 1 data), and at steady state (Weeks 2, 
4, 8, 12, 24, 48, 72, and 96 data) 
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Objectives 
Endpoints (Outcome Measures) 
between evobrutinib and 
efficacy endpoints and safety 
endpoints 
To assess relationship between 
candidate disease biomarker 
and disease activity or 
treatment response 
x Level of biomarkers of disease with disease 
activity/treatment response at Baseline, Weeks 12, 24, 
48, 72, 96; and upon relapse/disease progression 
(unscheduled) 
x NfL concentration at Weeks 24, 48, 72, and 96 
To measure the antibody levels 
to SARS-CoV-2 vaccine 
administered in participants 
x Level of anti-SARS-CoV-2 antibodies to vaccines 
pre- and post-vaccination in a subset of participants 
who have received anti-COVID vaccinations during 
the study. 
To evaluate the relationship of 
the novel biomarkers of liver 
function e.g., protein miRNA, 
etc., compared to standard 
clinical chemistry endpoints 
(ALT) 
x Levels of novel biomarkers of hepatic function 
compared to ALT at Baseline, and on treatment 
To assess the effect of 
evobrutinib on gene expression 
in whole blood  
x Gene expression at Baseline, Weeks 12, 24, 48, and 96 
Table 3 
Objectives and Endpoints for the Double-Blind Extension Period  
Objectives 
Endpoints 
DBE Period - Primary 
To further evaluate the efficacy with 
evobrutinib compared to teriflunomide 
in terms of Annualized Relapse Rate 
(ARR) 
x 
ARR based on qualified relapses in participants 
with RMS 
DBE Period - Secondary 
To further evaluate the efficacy of 
evobrutinib 
relative 
to 
that 
of 
teriflunomide on disability progression 
x 
Time to first occurrence of 12-week CDP as 
measured by EDSS Time to first occurrence of 
24-week CDP as measured by EDSS  
To further evaluate the efficacy of 
evobrutinib 
relative 
to 
that 
of 
teriflunomide 
on 
disability 
improvement 
x Time to first occurrence of 24-week CDP as 
measured by the EDSS  
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To further evaluate the efficacy of 
evobrutinib 
relative 
to 
that 
of 
teriflunomide on patient reported 
symptoms and functional status 
x CFB in PROMIS PF score over time 
x CFB in PROMIS Fatigue score over time 
To further evaluate the efficacy of 
evobrutinib 
relative 
to 
that 
of 
teriflunomide on magnetic resonance 
imaging (MRI) lesion parameters 
x Total number of T1 Gd+ lesions based on all 
available MRI scans 
x Number of new or enlarging T2 lesions on the 
last available MRI scan relative to the baseline 
MRI scan 
To further characterize the safety and 
tolerability of evobrutinib 
x Safety as assessed by the nature, severity, and 
occurrence of AEs and AESIs; vital signs; ECGs; 
absolute concentrations and CFB in Ig levels; 
and clinical laboratory safety parameters up to 
the end of the Safety Follow-up period 
DBE Period – Tertiary / Exploratory 
DBE tertiary / exploratory objectives and endpoints will be analogous to the DBTP 
tertiary/exploratory objectives and endpoints. 
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Table 4 
Objectives and Endpoints for the Open Label Extension Period  
Objectives 
Endpoints (Outcome Measures) 
OLE Period - Primary 
To evaluate the long-term safety and 
tolerability of evobrutinib 45 mg BID in 
participants with RMS over time 
x Occurrence of AEs and SAEs 
OLE Period - Secondary 
To evaluate the long-term efficacy of 
evobrutinib 45 mg BID in participants 
with RMS 
x ARR based on protocol defined qualified 
relapses 
x Time to first occurrence of 24-week CDP as 
measured by EDSS 
x Time to first occurrence of 24-week CDI as 
measured by EDSS 
x SDMT over time 
To evaluate the long-term effect of 
evobrutinib 45 mg BID in participants 
with RMS on patient reported symptoms 
and functional status 
x PROMISnq PF (MS) 15a score change over 
time 
x PROMIS Fatigue (MS) 8a score change 
over time 
To further evaluate the long-term safety 
and tolerability of evobrutinib 45 mg BID 
in participants with RMS over time 
x Safety Laboratory Parameters including 
Blood 
Chemistry, 
Hematology, 
Coagulation, Vitals, ECGs 
OLE Period - Secondary – MRI Substudy 
To evaluate the long-term efficacy of 
evobrutinib 45 mg BID in participants 
with RMS on MRI parameters 
x Total number of new or enlarging T2 lesions 
(relative to Baseline) 
x Change from Baseline in T2 lesion volume 
over time 
OLE Period - Exploratory 
To further explore the long-term efficacy 
of evobrutinib 45 mg BID in participants 
with RMS 
 
 
x EQ-5D-5L over time 
x WPAI:MS v2.0 over time 
x T25-FW over time 
x 9-HPT over time 
x No evidence of disease activity as assessed 
by NEDA-3, NEP, and NEPAD over time 
To further explore the long-term efficacy 
of evobrutinib 45 mg BID in participants 
with RMS in the absence of relapse 
x Time to PIRA, where disability progression 
is defined as 24-week CDP based on EDSS 
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Objectives 
Endpoints (Outcome Measures) 
OLE Period – Exploratory: MRI Substudy 
To further explore the long-term efficacy 
of evobrutinib 45 mg BID in participants 
with RMS on MRI parameters 
x Change from Baseline in T1 lesion volume 
over time  
x NBV at Baseline  
x PBVC over time 
x SEL volume in Baseline T2 lesion volume 
(based on scans at Day 1/Baseline, Week 
48, Week 96) 
x SEL volume in Week 96 T2 lesion volume 
(based on scans at Week 96, Week 144, 
Week 192) 
x Total number of PRLs (from inactive 
lesions) 
x Number of Baseline unenhancing PRLs that 
resolve at Week 96, Week 192 
x Number of PRLs, new relative to Baseline, 
that persist at Week 96 
x  Number of PRLs, new relative to Week 96, 
that persist at Week 192 
x  Number of PRLs from active lesions, new 
relative to Baseline, that persist at Week 96 
x  Number of PRLs from active lesions, new 
relative to Week 96, that persist at W192 
x  nT1 intensity evolution in Baseline T2 
lesion volume at W96, W192 
x nT1 intensity evolution in SEL volume at 
Week 96, Week 192 (where SELs are a 
subset of Baseline T2 lesions) 
OLE Period – Exploratory: Biomarker Substudy 
To further explore the long-term efficacy 
of evobrutinib 45 mg BID in participants 
with RMS by evaluating responses to 
biomarkers of disease (e.g., NfL)  
x Changes in the concentration of biomarkers 
of disease (e.g., NfL) over time  
To further explore the long-term safety of 
evobrutinib 45 mg BID in participants 
with RMS over time 
x Absolute concentrations and change from 
baseline in Ig levels, T, B and NK cell count 
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4 
Study Design  
4.1 
Overall Design  
This is a Phase III, multicenter, randomized, parallel group, double-blind, double-dummy, 
active-controlled study of evobrutinib with an active control group teriflunomide, in 
participants with RMS. 
Eligible participants will be randomized 1:1 to treatment with evobrutinib 45 mg twice daily, 
or teriflunomide 14 mg once daily (oral), stratified by region and Baseline EDSS. Blinding 
will be accomplished using a double-dummy design. The total sample size is planned to be 
898 participants (approximately 449 participants per treatment group). 
The Treatment Period of up to 156 weeks (minimum 24 weeks) will be preceded by a 4-week 
Screening Period (may be extended after discussion with the Medical Monitor but cannot 
exceed 12 weeks) and followed by a 4-week Safety Follow-up after treatment completion or 
early discontinuation. 
Transition Into the DBE Period 
Participants who complete the DBTP, or who are still under study treatment when the PA is 
triggered, will be considered treatment completers and will be eligible to continue in the DBE 
period for continuation of treatment as assigned at randomization (Figure 2). Those 
participants who have not reached the Week 156 visit when the PA is triggered, need to 
undergo an End-of-DBTP Visit, which is also their first visit in the DBE. Participants who do 
not wish to enter the DBE period will have a Safety Follow-up Visit occurring after the End-
of-DBTP visit. 
Transition Into OLE Period 
Participants who complete the DBE period, or who are still under study treatment once the 
Sponsor – upon agreement with Health Authorities / Ethics Committees – will have notified 
sites (i.e., the OLE is open for enrollment), will be eligible for transition into the OLE period. 
Participants entering the OLE period need to undergo an End-of-DBTP Visit which is also 
their first visit in the OLE period. All participants previously treated with teriflunomide, or 
unknown exposure status, entering the OLE will be required to complete the AEP prior to 
dispensation of the IMP in the OLE period. Participants who do not wish to transition into 
OLE, will have a Safety Follow-up Visit after the end of the DBE Period. The treating 
physician may consider conducting the AEP for participants coming off the IMP and prior to 
initiation of alternative DMTs. 
Transition Into Long-term Follow-up Study (MS200527_0123, LONGEVO) 
Once the long-term follow-up study (MS200527_0123, LONGEVO) is open for enrollment 
(i.e., once the sponsor – upon agreement with Health Authorities / Ethics Committees – will 
have notified sites), participants of the OLE will switch into the long-term follow-up study at 
the nearest transition visit (at Weeks 24, 48, 72, or 96 of the OLE period). Participants who 
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do not wish to transition into the long-term follow-up study, will have a Safety Follow-up 
Visit after the End of Treatment visit in the OLE Period.
In case the long-term follow-up study is open for enrollment while participants are still under 
study treatment in the DBE period, they will be offered the possibility to transition into that 
study by default. For participants entering the long-term follow-up study, their last visit in the 
current study (i.e., End-of-DBE Visit) is also their first visit in the long-term follow-up study. 
Participants who do not wish to transition into the long-term follow-up study will have a 
Safety Follow-up Visit after the End-of-DBE Visit.
Figure 2
Participant Transition Schema
DBE = Double-blind Extension, DBTP = Double-blind Treatment Period, OLE = Open-label Extension,
PA = primary analysis.
Per Protocol Version 3, prior to the completion of enrollment, an optional IA for BSSR, based
on 12-week CDP (as measured by EDSS) data pooled from the present study and second 
Phase III study (MS200527_0080), was conducted. Based on this BSSR, in August 2021, it 
was decided that the number of participants to be enrolled would not be increased.
Initial enrollment was closed on 01 October 2021. The actual enrollment figures exceeded the 
original planned enrollment of 930 participants per study.
The currently escalating crisis that erupted in Ukraine in February 2022, and the countries 
sanctioned as a result, pose a challenge to the successful conduct of the MS200527_0080 and 
MS200527_0082 studies due to the large representation of these countries in the initial 
enrollment. In the worst-case scenario, all data from participants in the regions affected by 
the crisis (Ukraine, Russian Federation, and Belarus) will be unable to be queried for cleaning 
purposes and will be considered unreliable for inclusion in the PA. The impact on study power 
is discussed in Section 9.2.3.
4.2
Scientific Rationale for Study Design
This study was designed to determine the efficacy and safety of evobrutinib in participants 
with RMS. The primary objective will focus on reduction of relapses relative to teriflunomide
in adult participants with RMS based on the ARR up to 156 weeks.
The findings in Section 2 support the pathogenic contribution of B cells to MS damage. In 
contrast, a failed clinical study with another B cell targeting agent, atacicept, supports the 
notion that certain B cell subtypes may mediate beneficial anti-inflammatory effects 
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(Kappos 2014). Novel nondepleting B cell therapies may deliver a more favorable benefit risk 
profile than current B cell directed therapeutic approaches. In the Phase II study of 
evobrutinib, the PA showed a clinically significant reduction in MRI activity in participants 
treated with evobrutinib compared to placebo. Furthermore, the results indicate that the ARR 
in the OLE remained low and similar to those observed in the PA and BEA. 
There is consensus in the MS community, that the use of placebo in Phase III studies with 
RMS participants is no longer ethical, due to the availability of established and effective 
therapies (Polman 2008). Teriflunomide is an acknowledged therapy that has recently been 
used in pivotal studies as a comparator and is well-suited for the objectives of this study. It is 
currently widely used in the treatment of MS and has a well-established efficacy and safety 
profile. Teriflunomide is administered as a tablet once daily and eliminates the burden of 
injections specific to other standard of care therapies such as interferons. For further 
information on teriflunomide, refer to the locally approved product information (e.g., relevant 
SmPC or USPI). 
The study will have a double dummy design, to minimize the potential for bias and maintain 
the integrity of the clinical data generated from this study. It also reduces the risk of 
concluding that superiority to the active comparator was driven by participant and assessor 
bias. 
This study plans to enroll RMS participants according to the McDonald MS 2017 criteria 
(Thompson 2018) with an EDSS score of 0 to 5.5 at Screening and Baseline (Day 1) who had 
at least one or more documented relapses within the 2 years before Screening with either: 
x one relapse which occurred within the last year prior to randomization, OR 
x the presence of at least 1 T1 Gd+ lesion within 6 months prior to randomization 
These criteria have been implemented to further characterize the benefits of treatment with 
evobrutinib in a wide range of RMS participants with varying degrees of disease activity and 
severity. The age range will be limited to ≤ 55 years with the aim to avoid confounding by 
neurological conditions prevalent in older participants. 
The proposed study endpoints are widely accepted as clinically relevant, and have been used 
in numerous pivotal clinical studies in RMS. The primary endpoint for the study will be ARR 
up to 156 weeks, based on qualified relapses. Secondary efficacy endpoints will include time 
to 12- or 24-week CDP (as measured by EDSS), total number of new or enlarging T2 lesions 
based on all available MRI scans, and total number of T1 Gd+ lesions based on all available 
MRI scans. Prevention of relapses, prevention/delay of accumulation of sustained 
neurological disability, as well as effect on MRI are meaningful goals in the treatment of 
participants with RMS. 
Time-to-24-week-CDI (as measured by EDSS) is a relatively new clinical endpoint 
complementary to the CDP endpoints. Week 12 NfL concentration is an emerging biomarker 
endpoint thought to reflect the early impact of treatment on reducing neuronal damage 
(Kuhle 2021; see Section 8.8.1.1 for details on NfL). The timepoint at Week 12 was chosen 
based on a post-hoc analysis of the data from a Phase II clinical study with evobrutinib. 
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Patient Reported Outcomes including those assessing fatigue and PF, are included as a 
secondary endpoint and several exploratory endpoints in the current study. Fatigue has been 
reported as the most bothersome symptom for MS patients among other concerns, such as 
bladder and bowel problems, cognitive impairment, visual disorders, musculoskeletal issues 
e.g., stiffness, spasm, walking difficulty and balance problems (Martin 2017, Patti 2011, 
Brañas 2000). In turn, these are associated with impairments in various functional areas, 
including IADLs, limitations with physical activities such as participating in sports, 
limitations related to ability to work or study, and social interactions (Patti 2014, LaRocca 
2011). The current data from randomized controlled studies support positive treatment effects 
of currently available DMTs (including, teriflunomide, dimethyl fumarate, natalizumab, and 
ocrelizumab) on HRQoL, i.e., improving or preventing the worsening of HRQoL (Jongen 
2017). 
Exploratory research of biomarkers of evobrutinib treatment response in MS aims to define 
responders and non-responders to therapy and to better understand disease pathology. 
Exploratory biomarkers will help to define an optimal evobrutinib treatment response in MS 
and thus be of considerable value for taking treatment decisions and ensuring continued 
benefit from evobrutinib therapy. As genetic variation may impact a participant’s response to 
therapy, susceptibility to disease, and severity and progression of disease, pharmacogenomic 
and pharmacogenetic biomarkers will be assessed to explore the long-term effect evobrutinib. 
In addition to this, blood sample assessments are included to test for biomarkers that are 
thought to play a key role in the disease pathology of MS and to be impacted by treatment 
with evobrutinib. 
The DBE and OLE periods have been introduced for participants completing the DBTP to 
enable an option for treatment continuation and to investigate sustained or long-term efficacy 
and safety of evobrutinib prior to enrollment in the long-term follow-up study. Refer to the 
Investigator’s Brochure for further information about the nonclinical and clinical programs 
and Guidance for the Investigator. 
4.3 
Justification for Dose  
Selection of the Phase III dose was based on PD, efficacy, and safety data from the Phase IIb 
study MS200527_0086 and supported by clinical pharmacology studies where dosing of the 
tablet was included (Studies MS200527_0017 and MS200527_0019). The models describing 
the exposure-response relationship between PK and BTK occupancy (target engagement), 
ARR, number of T1 Gd+ lesions and number of new or enlarging (active) T2 lesions (efficacy 
endpoints) were used in the selection of the dose. The results of the modeling of evobrutinib 
concentrations, BTK occupancy, ARR, T1 Gd+ and active T2 lesions were used to select the 
dose of 45 mg twice daily (fed) that will deliver efficacy anticipated to be better than 75 mg 
once daily (fasted) or equal to 75 mg twice daily (fasted) observed in the RMS Phase IIb 
study. 
In the exposure-response analysis of Study MS200527_0086 for participants with RMS, a 
steep exposure-response curve was observed with a threshold evobrutinib exposure 
(AUC0-24,ss) of 355 ng•h/mL associated with the onset of a reduction in ARR, and a significant 
reduction in ARR observed at evobrutinib exposure of ≥ 400 ng•h/mL. Participants with 
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exposure ≤ 355 ng•h/mL had mean ARR values between 0.42 to 0.63, whereas participants 
with exposure > 355 ng•h/mL had mean ARR values between 0.00 to 0.14. The significant 
reduction in ARR was observed when trough BTK occupancy was > 95%, indicating high 
target engagement over the entire dosing interval. In addition, for the participants with RMS 
and > 0 T1 Gd+ lesions at Baseline or > 13 cc T2 lesion volume at Baseline, a significant 
reduction in the number of T1 Gd+ lesions, and the number of active T2 lesions was observed 
when evobrutinib exposure was greater than 468 ng•h/mL. This significant reduction in the 
number of active T2 lesions was observed when trough BTK occupancy was > 96%.  
Thus, the criteria for selection of an efficacious dose to be used in Phase III is based on 
targeting exposure of ≥ 468 ng•h/mL and with a high percentage of participants expected to 
have > 95% trough BTK occupancy. 
One dose of evobrutinib will be utilized in this study. A dose of 45 mg twice daily, when 
given with a meal, is expected to provide a (geometric) mean evobrutinib daily exposure 
(AUC0-24,ss) of 840 ng•h/mL, with only 7.6% of the participants expected to have a daily 
exposure of < 400 ng•h/mL. The 45 mg twice daily dose will be administered to participants 
with a meal, where food (either a high-fat or low/moderate-fat meal) has been shown to 
increase evobrutinib exposure by 50%. Thus, the daily exposure with 45 mg twice daily fed 
is similar to the exposure observed in the Phase IIb study for 75 mg twice daily fasted 
(835 ng•h/mL), which provided a significant reduction in ARR (see Section 2.1). Mean Cmax,ss 
for 45 mg twice daily fed is expected to be 24% less (128 ng/mL) than the observed mean 
peak exposure (168 ng/mL) for 75 mg twice daily fasted. 
In addition, high BTK occupancy (at least 95% occupancy in 93% of the participants) is 
expected at the end of a dosing interval; therefore, similar efficacy to that of 75 mg twice daily 
(BTK occupancy of at least 95% in 92% of the participants). 
Teriflunomide will be administered orally at the highest approved dose of 14 mg once a day. 
Refer to the locally approved product information (e.g., relevant SmPC or USPI) for further 
details. 
Additional information about the justification for dose for evobrutinib may be found in the 
Investigator’s Brochure. 
4.4 
End of Study Definition  
A participant has completed the study if he/she has completed all study visits, including the 
last visit (as defined in the SoA in Section 1.3). A participant is considered a study completer 
if the participant has completed the Safety Follow-up Visit, even if the participant 
discontinued treatment prematurely. Treatment completers who do not require a Safety 
Follow-up Visit per protocol are also considered study completers (i.e., participants entering 
the long-term follow-up study at protocol-defined visits). 
x Treatment completion for the DBTP is defined as completing treatment up until the time 
of the PA trigger or 156 weeks post randomization, whichever is earliest.  
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x Treatment completion for the DBE period is defined as completing treatment during 
the DBE at protocol-defined visits. 
x Treatment completion for the OLE period is defined as completing treatment during the 
OLE at protocol-defined visits. 
Refer to Section 9.4.4.2 for details on the PA. 
The end of the study is defined as the date of the last visit of the last participant.  
The Sponsor may terminate the study at any time once access to the study intervention for 
participants still benefiting is provided via the long-term follow up study, expanded access, 
marketed product, or another mechanism of access, as appropriate. 
5 
Study Population  
The criteria in Sections 5.1 and 5.2 are designed to enroll only participants, who are 
appropriate for the study, thereby ensuring the study fulfills its objectives. All relevant 
medical and nonmedical conditions should be taken into consideration when deciding whether 
a participant is suitable for this study. 
Prospective approval of protocol deviations to inclusion and exclusion criteria, also known as 
protocol waivers or exemptions, is not permitted. 
Before performing any study assessments that are not part of the participant’s routine medical 
care, the Investigator will confirm that the participant has provided written informed consent, 
as indicated in Appendix 2 Study Governance. 
5.1 
Inclusion Criteria  
Participants are eligible to be included in the study only if all the following criteria apply: 
Age 
1. Are 18 to 55 years of age at the time of signing the informed consent. 
Type of Participant and Disease Characteristics 
2. Are diagnosed with RMS (RRMS or SPMS with relapses) in accordance with 2017 
Revised McDonald criteria (Thompson 2018). 
3. One or more documented relapses within the 2 years before Screening with either: 
a. one relapse which occurred within the last year prior to randomization, OR 
b. the presence of at least 1 T1 Gd+ lesion within 6 months prior to randomization. 
4. Have an EDSS score of 0 to 5.5 at Screening and Baseline (Day 1). 
a. Participants with an EDSS score ≤ 2 at Screening and Baseline (Day 1) are only 
eligible for participation if their disease duration (time since onset of symptoms) is 
no more than 10 years. 
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5. Are neurologically stable for ≥ 30 days prior to both Screening and Baseline (i.e., no new 
signs or symptoms referable to the CNS for ≥ 30 days). 
Sex 
6. Are female or male 
a. Male Participants: 
Agree to the following during the study intervention period and for at least 2 years 
after study intervention due to the long elimination period for teriflunomide of 2 years, 
unless the participant undergoes an AEP (see Appendix 8) with a confirmed 
teriflunomide level of < 0.02 mg/L after the last dose of study intervention: 
x Refrain from donating sperm 
PLUS, either: 
x Abstain from intercourse with a woman of childbearing potential. 
OR 
x 
Use a male condom: 
o When having sexual intercourse with a woman of childbearing 
potential, who is not currently pregnant, and advise her to use a highly 
effective contraceptive method with a failure rate of < 1% per year, as 
described in Appendix 3, since a condom may break or leak. 
b. Female participants: 
x Are not pregnant or breastfeeding, and at least one of the following conditions applies: 
x Not a woman of childbearing potential. 
OR 
x If a woman of childbearing potential, use a highly effective contraceptive 
method (i.e., with a failure rate of < 1% per year), preferably with low user 
dependency, as described in Appendix 3 for the following time periods: 
 Before the first dose of the study intervention(s), if using hormonal 
contraception: 
x Has completed at least one 4-week cycle of an oral 
contraception pill and either had or has begun her menses. 
OR 
x Has used a depot contraceptive or extended-cycle oral 
contraceptive for at least 28 days and has a documented 
negative pregnancy test using a highly sensitive assay. 
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AND 
x A barrier method, as described in Appendix 3. 
 Have a negative serum or highly sensitive urine pregnancy test, as 
required by local regulations, within 4 to 8 weeks and a highly sensitive 
urine pregnancy test at Baseline before the first dose of study 
intervention. If a urine test cannot be confirmed as negative (e.g., an 
ambiguous result), a serum pregnancy test is required.  
 During the Intervention Period 
For at least 2 years after study intervention due to the long 
elimination period for teriflunomide of (up to) 2 years, unless the 
participant undergoes an AEP (see Appendix 8) with a confirmed 
teriflunomide level of < 0.02 mg/L after the last dose of study 
intervention and agree not to donate eggs (ova, oocytes) for 
reproduction during this period (see Appendix 9). The 
Investigator evaluates the effectiveness of the contraceptive 
method in relationship to the first dose of study intervention. 
x Additional requirements for pregnancy testing during and after study intervention are in 
Sections 8.2.4 and 8.2.5. 
x The Investigator reviews the medical history, menstrual history, and recent sexual activity 
to decrease the risk for inclusion of a female with an early undetected pregnancy. 
Informed Consent 
7. Capable of giving signed informed consent, as indicated in Appendix 2, which includes 
compliance with the requirements and restrictions listed in the ICF and this protocol. 
8. Participants must be contactable by email or telephone throughout the study. 
5.2 
Exclusion Criteria  
Participants are excluded from the study if any of the following criteria apply: 
Medical Conditions 
1. Participants diagnosed with progressive MS, in accordance with the 2017 Revised 
McDonald criteria, as follows: 
a. Participants with primary progressive MS. 
b. Participants with SPMS without evidence of relapse. 
2. Disease duration > 10 years in participants with an EDSS ≤ 2.0 at Screening and Baseline 
(Day 1). 
3. Immunologic disorder other than MS or any other condition requiring oral, iv, 
intramuscular, or intra-articular corticosteroid therapy, with the exception of 
well-controlled Type 2 diabetes mellitus or well-controlled thyroid disease. 
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4. History or current diagnosis of other neurological disorders that may mimic MS, including 
but not limited to: neuromyelitis optica, transverse myelitis, bilateral optic neuritis of 
simultaneous onset, Lyme disease, HTLV-1-associated myelopathy, untreated vitamin 
B12 deficiency, neurosarcoidosis, cerebrovascular disorders, documented peripheral 
neuropathy (including polyneuropathy or mononeuropathy). 
5. History or current diagnosis of PML. If a brain MRI has findings suggestive of PML, CSF 
JCV PCR should be performed to rule out PML (see Appendix 7). 
6. Active, clinically significant viral, bacterial, or fungal infection, or any major episode of 
infection requiring hospitalization or treatment with parenteral anti-infectives within 
4 weeks before or during Screening, or completion of oral anti-infectives within 2 weeks 
before or during Screening, or a history of recurrent infections (i.e., 3 or more of the same 
type of infection in a 12-month rolling period). Vaginal candidiasis, onychomycosis, and 
genital or oral herpes simplex virus considered by the Investigator to be sufficiently 
controlled would not be exclusionary. 
7. The participant: 
x Has a history of or current diagnosis of active TB. 
OR 
x Is currently undergoing treatment for LTBI. 
OR 
x Has an untreated LTBI as determined by documented results within 3 months of the 
Screening Visit of a positive TB skin test with PPD with induration ≥ 5 mm. 
OR 
x Has current household contacts with active TB, unless prophylaxis treatment has been 
completed and documented evidence that household contacts have completed treatment. 
OR 
x Has a positive QuantiFERON-TB test at Screening, unless the participant has completed 
chemoprophylaxis for LTBI (as per applicable local guidelines) prior to the Screening 
Visit.  
Study participants in high TB burden settings (> 100 cases/100,000 individuals 
[World Health Organization, 2019], based on WHO TB database [WHO TB Burden 
Estimates 2022]) must repeat TB testing at least annually at the visits indicated (see 
SoASection 1.3), using the assay that was negative at Screening or a replacement (see 
Laboratory Manual) (see Exclusion Criterion 8). 
In addition, participants can be tested for TB at any time during the study, at the 
discretion of the Investigator. 
Participants with documented completed appropriate LTBI treatment would not be 
excluded and are not required to be tested. 
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Note: TB skin test with PPD will not be performed at Screening. Reference to TB 
skin test results above is in reference to a potential participant’s past results.  
8. Individuals with indeterminate or positive QuantiFERON test results felt to represent a 
false positive result by the Investigator, with no clinical features consistent with active 
TB, may be evaluated with T-SPOT.TB at the request of the Investigator. In this case, if 
the T-SPOT.TB is negative, the individual may be enrolled after approval by the study 
eligibility team. Sites that are not able to process T-SPOT.TB please see Section 8 
(Retesting before Baseline). 
9. Individuals with a diagnosis of hemochromatosis, Wilson’s disease, alpha-1-antitrypsin 
deficiency, or any other chronic liver disease including Gilbert’s disease will be excluded 
from the study. 
10. Individuals with: 
a 
Elevated transferrin saturation (> 50% transferrin saturation in males; and 
> 40% transferrin saturation in females) AND elevated ferritin levels 
> 500 μg/L will be excluded. 
b 
Highly elevated ferritin levels > 1,000 μg/L (independent of transferrin 
saturation) will also be excluded 
11. Individuals with sickle cell anemia, thalassemia and/or any chronic blood disorder 
requiring blood transfusions will be excluded from the study. 
12. History of splenectomy at any time, or any major surgery within 2 months prior 
to Screening. 
13. History of myocardial infarction or cerebrovascular event within 6 months prior to 
Screening, or current active angina pectoris, history of or current congestive heart failure 
New York Heart Association  Class III or Class IV, uncontrolled seizures (remote infantile 
febrile seizures are not exclusionary), prolonged untreated hypertension (systolic 
≥ 160 mm Hg and/or diastolic ≥ 100 mm Hg), active gastrointestinal bleeding, or any 
other significant active medical condition in the Investigator’s opinion or 
Sponsor’s/designee’s opinion. 
14. Participants who have evidence of serious suicide risk including any history of suicidal 
behavior in the last 6 months and/or any suicidal ideation of type 4 or 5 on the C-SSRS in 
the 6 months prior to Screening. 
OR 
Are at significant suicide risk, as determined by the Treating Investigator. 
15. An episode of major depression within the last 6 months prior to Screening (clinically 
stable minor depression is not exclusionary). 
16. History of cancer with the following exceptions: 
x A confirmed history of nonmelanoma skin cancer Stage 0 (in situ) or Stage 1, considered 
cured > 5 years is not exclusionary. 
x A history of in situ cervical cancer, considered cured > 5 years, is not exclusionary. 
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x A history of Stage I prostate cancer with normal Prostate-Specific Antigen (PSA), 
considered cured for > 5 years, is not exclusionary. 
Any history of cancer not meeting these exceptions is exclusionary. 
17. On Screening ECG, any abnormality (e.g., uncontrolled second or third degree 
atrioventricular conduction block, ventricular tachyarrhythmias) that in the Investigator’s 
opinion may impact participation in the study. 
18. Any other clinically significant abnormality per Investigator opinion. 
Prior/Concomitant Therapy 
19. Contraindication to teriflunomide or leflunomide or incompatibility with teriflunomide or 
leflunomide use, including: 
a. Hypersensitivity to teriflunomide, or to any excipients. 
b. Hypersensitivity to leflunomide, or to any excipients. 
c. Cessation of teriflunomide therapy due to poor tolerability or safety concerns, 
or suboptimal response. 
20. Injectable (e.g., iv, intramuscular, intra-articular) or oral glucocorticoids, or ACTH (e.g., 
Acthar gel) within 4 weeks prior to randomization (inhaled and topical corticosteroids are 
allowed) (see Section 8). 
21. Treatment with monthly iv methylprednisolone (see Section 6.5.1). 
22. Prior treatment with beta-interferons or glatiramer acetate is not exclusionary, but these 
treatments must be discontinued at least 1 day prior to randomization. 
23. Treatment with dimethyl fumarate, diroximel fumarate, or other approved fumaric acid 
esters within 4 weeks prior to randomization (see also Exclusion Criterion 37). 
24. Treatment with teriflunomide within 4 weeks with an AEP or 14 weeks without the 
completion of an AEP prior to randomization (see Appendix 8 for AEP). Reason for 
switch from teriflunomide could not have been because of efficacy or safety related 
considerations. See also Exclusion Criterion 19. 
25. Any of the following: 
a. Use of lymphocyte trafficking blockers (e.g., natalizumab) within 2 months 
prior to randomization. Patients whose last dose of natalizumab was within 
6 months prior to randomization should be evaluated to rule out PML (see 
Appendix 7). 
b. Use of S1P inhibitors (e.g., fingolimod, ozanimod, ponesimod, siponimod) 
within 2 months prior to randomization. 
See also Exclusion Criterion 37. 
26. Use of iv Ig or plasmapheresis within 8 weeks prior to randomization. 
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27. Treatment with rituximab, ofatumumab, or ocrelizumab. Participants who have received 
1 dose of rituximab, ofatumumab, or ocrelizumab, and reason for treatment 
discontinuation was not treatment failure, will be eligible to enter the study if the last dose 
of rituximab or ocrelizumab was at least 48 weeks prior to randomization. 
28. Treatment with any of the following: 
a. Mildly to moderately immunosuppressive medications (e.g., azathioprine, 
methotrexate): within 6 months prior to randomization. 
b. Highly immunosuppressive medications (mitoxantrone, cyclophosphamide, 
cladribine): within 2 years prior to randomization. 
c. Alemtuzumab, lymphoid irradiation, bone marrow transplantation, or other 
strongly immunosuppressive treatments (with effects potentially lasting over 
6 months): at any time. 
d. BTK inhibitors (including evobrutinib): at any time. 
29. Concomitant treatment with medications commonly used for symptom management of 
MS patients will be exclusionary as follows: 
a. Participants taking dantrolene are to be excluded. Participants on other 
antispasticity agents can be included if they have been on a stable dose over 
the 3 months prior to randomization. 
b. Participants on dalfampridine (Ampyra®) or fampridine can be included only 
if they have been on a stable dose 3 months prior to randomization. 
c. Medications known to lower the seizure threshold are not permitted unless 
reviewed and the eligibility of the participant is confirmed by the Medical 
Monitor. 
30. [Criterion removed by Amendment 1] 
31. On anticoagulation, or antiplatelet therapy other than daily aspirin for cardioprotection. 
Fish oil supplements must be stopped prior to randomization (first dose). 
32. Participants currently receiving (or unable to stop using prior to receiving the first dose of 
study intervention) potent (strong to moderate) inducers of CYP3A (must stop at least 
3 weeks prior), medications or herbal supplements known to be potent (strong to 
moderate) inhibitors of CYP3A (must stop at least 1 week prior), or drugs mainly 
metabolized by CYP3A with a narrow therapeutic index (must be stopped at least 1 day 
prior; see Section 6.5). CYP2C8 substrates with a narrow therapeutic index must also be 
stopped at least 1 day prior to randomization. 
Note: CYP2B6 substrates with a narrow therapeutic index, as well as substrates of P-gp, 
BCRP, OCT1, MATE1 and/or MATE2K, while not exclusionary, should be administered 
with caution. 
Prior/Concurrent Clinical Study Experience 
33. Participation in any investigational drug study within 6 months or 5 half-lives of the 
investigational drug, whichever is longest, prior to Screening. 
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Diagnostic Assessments 
34. Any of the following:  
a. History of or positive for HIV at Screening. 
b. History of or positive for HCV antibody and/or HCV RNA by PCR at 
Screening. However, if a participant has a history of HCV infection and has 
completed and documented appropriate treatment at least 1 year prior to 
Screening AND is negative for HCV RNA by PCR at Screening, participants 
will not be excluded from the study. 
Note: All participants found to be positive for anti-HCV antibody at Screening 
will have reflex testing performed for HCV RNA by PCR to assess study 
eligibility. 
c. Positive for HBsAg at Screening. 
d. For participants who are negative for HBsAg at Screening but are anti-hepatitis 
B surface antibody positive without history of vaccination for Hepatitis B 
and/or anti-hepatitis B core antibody positive with or without history of 
vaccination for Hepatitis B at Screening, reflex testing for HBV DNA by PCR 
will be performed: 
i. Hepatitis B antibody positive participants who have detectable HBV 
DNA ≥ 20 IU/mL are excluded. 
ii. Hepatitis B antibody positive participants who are HBV DNA negative 
or have detectable HBV DNA < 20 IU/mL are not excluded from the 
study. However, these participants will have HBV DNA monitoring by 
PCR at visits noted in the SoA (see Section 1.3). 
35. eGFR < 60 mL/min/1.73 m2 as calculated by the 4-variable Modification of Diet in 
Renal-Disease equation by the central laboratory or any renal condition that would 
preclude the administration of gadolinium (e.g., acute kidney injury). 
36. ALT, AST and total bilirubin > 1.5 × ULN of laboratory reference range, amylase, or 
lipase > 2 × ULN, or any other clinically significant laboratory abnormality. 
37. Significant cytopenia, including neutrophil count < 1,500 / mm3, platelet count 
< 75,000 / mm3, absolute lymphocyte count < 1,000 / mm3, or a white blood cell count 
< 3,500 / mm3. 
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Other Exclusions 
38. Any allergy, contraindication, or inability to tolerate teriflunomide or evobrutinib or any 
of their excipients, including lactose, which is an excipient in the oral Study Intervention 
(e.g., evobrutinib tablets, placebo tablets). 
Note: Individuals with acquired lactose intolerance are not excluded but should be aware 
that the oral study intervention contains lactose and should be monitored for 
gastrointestinal symptoms related to the increased consumption of lactose in the study 
intervention, and made aware of the risks. 
39. Inability to comply with MRI scanning, including contraindications to MRI such as known 
allergy or other contraindications to gadolinium contrast media, claustrophobia, presence 
of a pacemaker, cochlear implants, ferromagnetic devices or clips, intracranial vascular 
clips, insulin pumps, nerve stimulators. 
40. Vaccination with live or live-attenuated virus vaccine within 1 month prior to Screening. 
41. Regular alcohol consumption within 6 months prior to the study defined as: an average 
weekly intake of > 14 units for males or > 7 units for females. One unit is equivalent to 
8 g of alcohol: a half pint (~240 mL) of beer, 1 glass (125 mL) of wine or 1 (25 mL) 
measure of spirits. 
5.3 
Criteria for Entry into Double-Blind Extension Period  
Participants need to be able and willing to provide written informed consent for the DBE 
before the first procedure in DBE. 
Investigators need to ensure that participant does not fulfill any permanent discontinuation 
criteria (Section 7.1) based on Week 156/EODBTP assessments. 
5.4 
Criteria for Entry into Open Label Extension Period  
5.4.1 
Inclusion Criteria for Open Label Extension Period  
Participants who meet the following entry criteria may participate in the OLE Period: 
1. Complete the DBE period or are still under study treatment when enrollment into OLE 
is opened - but not into the long-term follow-up study, and who, in the opinion of the 
Investigator, may benefit from treatment with evobrutinib. 
2. Are able and willing to provide written informed consent for the OLE period (e.g., before 
the first OLE procedure on OLE Day 1) and to comply with the study protocol. 
3. Have documentation of completed AEP (confirmed blood concentration level of 
< 0.02 μcg/mL of teriflunomide as per Appendix 8) before Day 1/Baseline visit 
(applicable to all participants previously treated with teriflunomide, or with an unknown 
exposure status during the DBTP and DBE period).  
4. Women of childbearing potential are willing to continue to use the contraceptive methods 
as described in Section 5.1 (Inclusion Criterion 6) and Appendix 3. 
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5.4.2 
Exclusion Criteria for Open Label Extension Period  
Participants will be excluded from the OLE if they meet any of the following exclusion criteria 
at the OLE screening (OLE Day 1):  
1. Participants who did not complete study intervention in DBE period. 
2. Treatment with injectable (e.g., iv, intramuscular, intra-articular) or oral glucocorticoids, 
or ACTH (e.g., Acthar gel) within 30 days before OLE Day 1, with the exception of 
rescue treatment for MS relapse specified by the study protocol.  
3. History of suicidal ideation or an episode of clinically severe depression (as determined 
by the Investigator) within 12 weeks prior to OLE Day 1.  
4. History of abnormal laboratory results that, in the opinion of the Investigator, are 
indicative of a significant cardiac, endocrine, hematologic, immunologic, metabolic 
urologic, pulmonary, gastrointestinal, dermatologic, psychiatric, renal, neurologic (other 
than MS), and/or other major diseases.  
5. Any of the following abnormal blood tests during the DBE period requiring 
discontinuation of study intervention, and/or at End-of-DBE visit, within a week before 
OLE Day 1:  
x ALT/serum glutamate pyruvate transaminase > 1.5 × ULN 
x AST/serum glutamic oxaloacetic transaminase> 1.5 × ULN 
x Total Bilirubin > 1.5 × ULN 
x Amylase > 2 × ULN 
x Lipase > 2 × ULN 
6. eGFR < 60 mL/min/1.73 m2 as calculated by the 4-variable Modification of Diet in 
Renal-Disease equation.  
7. Female participants who have a positive pregnancy test result, are pregnant, or are 
currently breast feeding.  
8. Inability to comply with study requirements. 
5.5 
Lifestyle Considerations  
5.5.1 
Meals and Dietary Restrictions  
Refrain from consumption of Seville oranges, grapefruit or grapefruit juice, pomelos, 
grapefruit hybrids, exotic citrus fruits, cranberries, or their juices from 7 days before the start 
of study intervention until after the final dose (see Section 6.5.4). 
5.5.2 
Caffeine, Alcohol, and Tobacco  
During each dosing session, participants will abstain from alcohol for 24 hours before the start 
of dosing until after collection of the final PK and/or PD sample. Due to a potential for 
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additive hepatotoxic effects associated with IMPs (teriflunomide and evobrutinib), alcohol 
consumption should be avoided during participation in the study. 
There are no restrictions on caffeine or tobacco intake. 
5.6 
Screen Failures  
Individuals who do not meet the criteria for participation in this study (screen failure) may be 
rescreened once with approval by the Medical Monitor. The second Screening Period is a new 
28-day Screening Period. This Screening Period may be extended after approval by the 
Medical Monitor (but cannot exceed 12 weeks) for the reasons described in Section 8. 
Rescreened participants will be assigned a new identification number. See Section 8 for 
required testing to be redone at rescreening. 
6 
Study Intervention(s)  
Study intervention is any investigational intervention(s), marketed product(s), placebo, or 
medical device(s) intended to be administered to a study participant per the study protocol. 
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6.1 
Study Intervention(s) Administration  
Study 
Intervention 
Name: 
Evobrutinib  
Teriflunomide  
Dose 
Formulation: 
Tablets 
Tablets 
Unit Dose 
Strength(s)/ 
Dosage Level(s): 
45 mg (active or placebo)  
14 mg (active or placebo) 
Route of 
Administration: 
Oral 
Oral 
Dosing 
Instructions: 
Evobrutinib (or placebo) to be 
taken with a meal twice per day  
Teriflunomide (or placebo) to be 
taken with a meal once per day 
Study intervention should be administered during the study visit on PK 
sampling 
days; 
otherwise, 
study 
intervention 
should 
be 
self-administered at home at a set time. 
Supplier/ 
Manufacturer: 
Evobrutinib and placebo will be 
supplied by the Sponsor. 
Teriflunomide and placebo will be 
supplied by the Sponsor. 
Packaging and 
Labeling 
• Evobrutinib active (45 mg): 1 blister contains 30 × 45 mg tablets. 
Two blisters to be packed in one wallet. One wallet is equivalent to a 
kit. OR 
• Matching placebo to Evobrutinib (45 mg): 1 blister contains 
30 × matching Placebo to 45 mg tablets. Two blisters to be packed in 
one wallet. One wallet is equivalent to a kit.  
• Teriflunomide active (14 mg): 1 blister contains 30 × 14 mg tablets. 
One blister to be packed in one wallet. One wallet is equivalent to a kit. 
OR 
• Matching placebo to Teriflunomide (14 mg): 1 blister contains 
30 × matching Placebo to 14 mg tablets. One blister to be packed in 
one wallet. One wallet is equivalent to a kit. 
Each kit will be packaged and labeled per all applicable regulatory 
requirements and Good Manufacturing Practice Guidelines. 
6.2 
Study Intervention(s) Preparation, Handling, Storage, 
and Accountability  
Storage 
All study intervention supplied to each site must be stored in their original containers carefully 
and safely. The storage facility at the study site must be locked and temperature controlled. 
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Evobrutinib and its placebo must be stored at no more than 30°C (86°F). For teriflunomide 
and its placebo storage conditions, refer to the teriflunomide approved product label. 
In case there has been a temperature deviation at the clinical site, the site must contact the 
clinical research associate without delay for further evaluation and assessment by the 
designated quality assurance personnel at Merck Healthcare KGaA or delegated personnel at 
the packaging and distribution provider. The medication with the temperature excursion 
should still be stored at the required temperature, but quarantined during the investigations 
and must be appropriately labeled as “quarantine storage”. 
Detailed recommendations for the use of teriflunomide are described in the locally approved 
product information (e.g., relevant SmPC or USPI), as appropriate. 
The preparation, handling and storage of the study interventions will be documented in a 
separate Pharmacy Manual. 
The Investigator, institution, or the head of the medical institution (where applicable) is 
responsible for study intervention accountability, reconciliation, and record maintenance (i.e., 
receipt, reconciliation, and final disposition records). 
x Upon receipt of the study intervention(s), the Investigator or designee must confirm 
appropriate temperature conditions have been maintained during transit and any 
discrepancies are reported and resolved before use. Also, the responsible person will check 
for accurate delivery. Further guidance and information for study intervention 
accountability are provided in the Pharmacy Manual. 
x Only participants enrolled in the study may receive study intervention(s) and only 
authorized site staff may supply it. All study intervention(s) must be stored in a secure, 
environmentally-controlled, and monitored (manual or automated) area, in accordance 
with the labeled storage conditions, and with access limited to the Investigator and 
authorized site staff. 
x Dispensing will be recorded on the appropriate accountability forms so that accurate 
records will be available for verification at each monitoring visit. 
x Study intervention(s) accountability records at the study site will include the following: 
o Confirmation of receipt, in good condition and in the defined temperature range. 
o The inventory provided for the clinical study and prepared at the site. 
o The dose(s) each participant used during the study. 
o The disposition (including return, if applicable) of any unused study intervention(s). 
o Dates, quantities, batch numbers, container numbers, expiry dates, and the participant 
numbers. 
x The Investigator site will maintain records, which adequately documents that participants 
were provided the doses specified in this protocol, and all study intervention(s) provided 
were fully reconciled. 
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x Unused study intervention(s) must not be discarded or used for any purpose other than the 
present study. No study intervention that is dispensed to a participant may be redispensed 
to a different participant. 
x A Study Monitor will periodically collect the study intervention(s) accountability forms. 
x Further guidance and information for the final disposition of unused study intervention(s) 
are provided in the Pharmacy Manual. 
6.3 
Measures 
to 
Minimize 
Bias: 
Study 
Intervention 
Assignment and Blinding  
6.3.1 
Study Intervention Assignment  
Participants will be randomized in a blinded fashion to either evobrutinib or teriflunomide 
treatment in a 1:1 ratio. The randomization will be stratified by 2 factors: region (4 levels: 
North America, Western Europe, Eastern Europe, Rest of World) and Baseline (Day 1) EDSS 
(2 levels: < 4.0, ≥ 4.0). A unique participant identification number, assigned according to the 
Pharmacy Manual, will be used throughout the study. 
 
Study using IWRS 
After confirmation of participant’s eligibility and at the last 
practical moment prior to study intervention administration, 
participants will be centrally allocated to either evobrutinib or 
teriflunomide in a 1:1 ratio using an IWRS and per a computer-
generated randomization list. 
The IWRS will be used to assign unique participant numbers, 
allocate participants to study intervention group at the 
randomization visit, and study intervention to participants at each 
study intervention visit. 
Before the study is initiated, the log in information and directions 
for the IWRS will be provided to each site. The site will contact 
the IWRS prior to starting study intervention administration for 
each participant. 
6.3.2 
Blinding  
Blinding Method 
x Study intervention assignment will be randomized and blinded. Blinding will be 
accomplished using a double dummy design given the differences in tablet characteristics 
between the study intervention and the active control. 
x Packaging and labeling will be prepared to protect the blinded nature of the study. Study 
interventions will be provided in a manner that participants or Investigator will not be able 
to distinguish active study intervention from placebo. Each kit will be labeled by the 
manufacturer with a unique kit number; labeling will not indicate whether the medication 
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is study intervention (evobrutinib/teriflunomide) or placebo. Blinded treatment kit 
numbers will be obtained through the IWRS. 
x The Treating Investigator is a neurologist and will be the only one to discuss signs and 
symptoms with the participant to prevent unblinding of study personnel, based on 
associated clinical signs and symptoms related to study intervention. The Treating 
Investigator will be blinded to study intervention and will be responsible for: 
o Management of the routine neurological care of the participant, including the 
management of background treatment and associated safety monitoring  
o Assessment (including assignment of causality) and treatment of AEs and MS relapses  
o Review of hematology and blood chemistry results from the central laboratory to assess 
whether the participant’s study intervention should be discontinued as per the criteria 
detailed in Section 7.1  
o If the Treating Investigator is not able to perform the C-SSRS and/or HRU tasks, they 
can assign these tasks to a non-neurologist delegate (Treating Investigator Designee), 
as long as the delegate is trained and qualified in performing these tasks. 
x The independent Examining Investigator (assessor) (or their Qualified Examining 
Designee) will perform neurological assessments only, will remain blinded to all study 
interventions (evobrutinib and teriflunomide), all other study-related assessments, and to 
all laboratory results throughout the study. 
x The central MRI reader will be blinded to all study interventions (evobrutinib and 
teriflunomide) throughout the study. 
x The participants, site staff, and the Investigator will be blinded to all study interventions 
throughout the DBTP and the DBE period. 
x The Contract Research Organization and Sponsor will be blinded to all study interventions 
until the database is locked for the PA (see Section 9.4). 
x Importantly, the Treating Investigator (or designee) and the Examining Investigator (or 
designee) cannot perform the same tests. The Treating Investigator (or designee) performs 
the relapse assessments, AEs, monitors the participant, and performs C-SSRS and is not 
permitted to perform the EDSS, T25-FW, 9-HPT, and SDMT, and vice-versa, in order to 
maintain the blind. The Patient Reported Outcomes: PROMIS (physical function and 
fatigue), EQ-5D-5L and SF-36v2 can be administered by any site personnel. 
x Study participants will be instructed to not discuss AEs, signs, and/or symptoms with the 
independent Examining Investigator (assessor) (or designee). 
x The participants, site staff, and the Investigators will remain blinded to all study 
interventions during the Safety Follow-up. 
x The IDMC and supporting independent statistician will be unblinded to treatment, as 
described in the IDMC charter. 
x The bioanalytical monitors and other study team members responsible for analyses of PK 
will be blinded to study treatment codes prior to database lock for the PA. Analytical 
laboratories will be unblinded to study treatment codes to enable sample testing of study 
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intervention prior to database lock. The process by which masked participant identifiers 
will be used to prevent linking PK data with other clinical data will be documented.  
x Subject matter experts and other study team members responsible for analyses of PGx will 
be blinded to study treatment codes prior to database lock for the PA. Analytical 
laboratories may be unblinded to study treatment codes to enable study-treatment-specific 
PGx testing prior to database lock for the PA. If study treatment specific PGx testing is 
performed, the process by which masked participant identifiers are used to maintain 
blinding will be documented.  
x Study intervention information that would unblind the study participants will not be 
reported with participant identifiers to investigative sites or blinded personnel until the 
study has been unblinded. 
x All other staff, other than those identified above, will remain blinded to the evobrutinib 
and teriflunomide study interventions. 
x Only when the last participant completes study intervention up to the PA trigger or a 
maximum of 156 weeks, or discontinues study intervention prematurely, the protocol 
deviations are determined, and the database is locked for the PA will the drug codes be 
broken and made available for the data analysis. At that point, the Contract Research 
Organization and Sponsor study teams will be unblinded to study intervention, while the 
PI and study personnel remain blinded to the study intervention throughout the DBE.  
x All breaks of the study blind must be adequately documented. 
6.3.3 
Emergency Unblinding  
In an emergency, the Investigator is solely responsible for determining if unblinding of a 
participant’s study intervention assignment is warranted. Participant safety must always be 
the first consideration in this decision. The Sponsor must be notified within 24 hours after 
unblinding. The Investigator must provide the Sponsor the reason for unblinding without 
revealing the study intervention, except to the designated global patient safety representative 
via the Emergency Unblinding Notification Form. The date of and reason for unblinding must 
be recorded in the source documents and CRF. Contact information for unblinding in an 
emergency is given on the participant emergency card provided to each participant, as noted 
in Appendix 2 (Study Governance). 
The Sponsor’s global patient safety department will submit any SUSAR reports to regulatory 
authorities and ethics committees with unblinded information, per applicable regulations. 
Only blinded information will be provided to the study team. 
6.4 
Study Intervention Compliance  
The study intervention will be administered at the site on study visit days as defined in the 
SoA (see Section 1.3). All other administrations of study intervention will be done by the 
participant or participant’s caregiver at home throughout the rest of the study. Participants or 
participant’s caregiver will be asked to record the date and time of dosing and food intake 
around dosing (food intake to be recorded only on the day prior to PK sampling and the day 
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of PK sampling, and around the time of the last dose prior to evobrutinib concentration 
assessment sampling) in a participant diary. 
Participants will be instructed to bring all study intervention, including the used 
packaging/empty boxes and all blisters, to each study visit during which IMP is dispensed as 
indicated in the SoA (see Section 1.3), and to allow for the assessment of compliance with 
study intervention. Prior to discharge from each scheduled visit, participants will be given 
sufficient study intervention for at-home administration until the next scheduled visit during 
the Treatment Period. On study visit days during which IMP is dispensed as indicated in the 
SoA (see Section 1.3), the previous week(s) study intervention adherence will be documented 
using pill counts. 
Insufficient compliance with the protocol-specified dosing regimen is defined as receiving 
< 80% of the required number of scheduled doses of IMP. Noncompliance is further addressed 
in Sections 7.1 and 8.4. 
6.5 
Concomitant Therapy  
Record in the CRF all concomitant therapies (e.g., medicines or nondrug interventions) used 
from the time the participant signs the informed consent until completion of the study, 
including any changes. For prescription and over-the-counter medicines, vaccines, vitamins, 
and herbal supplements, record the name, reason for use, dates administered, and dosing 
information. 
Contact the Medical Monitor for any questions on concomitant or prior therapy. 
Treatment for Symptoms of Multiple Sclerosis 
The Treating Investigator should attempt to maintain therapies or treatments for symptoms 
related to MS (e.g., walking ability, spasticity, incontinence, pain, fatigue) reasonably 
constant throughout the study. However, if such therapies need to be added or modified during 
the study due to changes in the participant’s clinical presentation, then this could be done at 
the discretion of the Investigator, with the exception of those treatments listed in Section 6.5.3 
(Prohibited Medications). Nonetheless, any medications that are considered necessary for the 
participant’s well-being may be given at the discretion of the Investigator. 
6.5.1 
Rescue Medicine  
Participants who experience a MS relapse during study intervention may receive rescue 
medication pursuant to the following restrictions:  
1. Up to 1 g daily of methylprednisolone administered intravenous (or orally if high-dose oral 
formulation is locally available) for up to 5 consecutive days. Where possible, the use of 
corticosteroids should be avoided in the 3 weeks prior to a scheduled MRI scan. If 
participants receive corticosteroids for a relapse, every effort will be made to obtain the 
scan prior to the first steroid dose if the presteroid scan is within 1 week of the scheduled 
visit. In all instances, the treatment of the relapse per the Investigator’s clinical judgment 
takes priority over the timing of the MRI scan. 
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2. Oral tapering of corticosteroid rescue medication is permitted, with a maximum of 15 days 
of tapering allowed. 
3. In the treatment of acute exacerbations of MS, daily intramuscular or subcutaneous doses 
of Acthar gel (or equivalent, where approved), 80-120 units and not exceeding 3 weeks 
may be administered. An additional taper of up to 2 weeks with less frequent dosing 
frequency will be permitted as indicated.  
6.5.2 
Permitted Medicines  
The only permitted medications are the following: 
x Medications required per the medical history that: 
o Are not specifically prohibited by the protocol during the study,  
o Are considered necessary for the participants’ welfare, and  
o Will not interfere with the study intervention.  
Medications under the conditions described above may be given at the Investigator’s 
discretion. 
There are no restrictions on the use of marijuana, where and as permitted by local regulations. 
Any medicines that are considered necessary to protect the participant’s welfare in 
emergencies may be given at the Investigator’s discretion, regardless if it results in a protocol 
deviation. However, as this may impact continued participation in the study, the Medical 
Monitor must be informed that prohibited medication was used. 
6.5.3 
Prohibited Medicines  
Medications prohibited before the study are listed in the exclusion criteria (see Section 5.2). 
The following medications and therapies are not permitted during the study and would require 
discontinuation of the study intervention: 
x Rituximab, ofatumumab, ocrelizumab, and any other B cell depleting therapy, BTK 
inhibitors (excluding evobrutinib), mitoxantrone, or lymphocyte-depleting therapies (e.g., 
alemtuzumab, anti-CD4, cladribine, cyclophosphamide, azathioprine, total body 
irradiation, bone marrow transplantation).  
x Lymphocyte trafficking blockers (e.g., natalizumab, fingolimod, or siponimod).  
x Intravenous Ig therapy and/or plasmapheresis and immunosuppressive treatments 
(e.g., azathioprine, methotrexate).  
x Beta-interferons or glatiramer acetate.  
x Dimethyl fumarate, diroximel fumarate, other approved fumaric acid esters, or 
leflunomide. 
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x Dantrolene. Other antispasticity agents are permitted at study entry if the participant has 
been on a stable dose over the 3 months prior to randomization. During the study, 
antispasticity agents can be added and/or the regimen modified based on the Investigator’s 
clinical judgment in order to manage the participant’s symptoms (see Section 6.5). 
x Medications known to lower the seizure threshold should be avoided. If treatment with 
these medications is required, the Investigator must inform the Medical Monitor.  
x Dalfampridine (Ampyra) or fampridine are not permitted during the DBTP and 
the DBE unless the participant has been on a stable dose for 3 months prior to 
randomization due to the possibility of confounding effects on key study 
measures.  
x During the OLE period of the study, initiation of therapy with dalfampridine 
(Ampyra) is allowed if (1) indicated by the Treating Investigator, (2) no 
contraindication as per local label is present and (3) participant has been 
exposed to evobrutinib for at least 3 months. 
x Anticoagulation (e.g., warfarin), fish oil supplements, or antiplatelet therapy other than 
daily aspirin for cardioprotection. 
x CYP2C8 substrates with a narrow therapeutic index must also be stopped at least 1 day 
prior to randomization in the DBTP and should not be administered throughout the DBTP 
as well as the DBE. Only during OLE period of the study, CYP2C8 substrates with a 
narrow therapeutic index are not prohibited if indicated by the Treating Investigator (see 
Appendix 11). 
x Medications known to be potent (strong to moderate) inhibitors of CYP3A, potent inducers 
of CYP3A, or drugs mainly metabolized by CYP3A with a narrow therapeutic index. 
Medications known to be CYP2B6 substrates with a narrow therapeutic index, as well as 
substrates of P-gp, BCRP, OCT1, MATE1 and/or MATE2K, while not prohibited, should 
be administered with caution. 
x Cholestyramine and activated charcoal, for use other than for AEP after discontinuation 
(see Appendix 8).  
x Live or live-attenuated vaccines. 
x Biologic therapies for MS are prohibited. Biologic therapies for other indications must be 
discussed with the Medical Monitor as their use may impact continued participation in the 
study, with the exception of insulin and antibodies used for bone density (e.g., denosumab), 
which are permitted. 
x Systemic corticosteroids (oral, injected, iv) except as described in Section 6.5.1. Topical, 
intranasal, or inhaled corticosteroids are permitted. 
For further information on teriflunomide-related DDI, see Appendix 9 and refer to the locally 
approved product information (e.g., relevant SmPC or USPI). 
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6.5.4 
Other Interventions  
Herbal or nutritional supplements (including, but not limited to, St. John’s wort, grapefruit, 
Seville oranges, cranberries, or juices of these fruits) known to be potent inhibitors of CYP3A 
must be stopped at least 1 week prior to randomization. As resveratrol supplements can 
significantly inhibit CYP3A, intake of resveratrol supplements must be limited to no more 
than 500 mg/day. 
Teriflunomide has additional potential for drug interactions and due to the blinded treatment 
assignment, these should be considered when treating participants. See Appendix 9 for 
potential teriflunomide DDI, as defined in the locally approved product information (e.g., 
relevant SmPC or USPI). 
6.6 
Dose Selection and Modification  
Not applicable. 
6.7 
Study Intervention after the End of the Study  
The Sponsor will not provide any additional care to participants after they leave the study 
because such care would not differ from what is normally expected for participants with 
relapsing forms of MS. 
6.8 
Special Precautions  
See Section 7.1 for precautions related to abnormal liver function. 
If any of the MRIs of the brain have findings suggestive of PML, CSF JCV PCR should be 
performed to rule out PML, see Appendix 7 for further details. See Section 7.1 for precautions 
related to suspected PML. 
6.9 
Management of Adverse Events of Interest  
Adverse events of special interests are liver AEs (possible drug-induced, non-infectious, 
non-alcoholic, and immune-mediated), infections (serious and opportunistic infections), 
lipase and amylase elevation, and seizure. All serious and nonserious AESIs must be 
additionally documented and reported as specified in Appendix 4. 
Liver adverse events 
The elevations of transaminases observed in participants treated with evobrutinib were 
frequent, asymptomatic, and reversible on discontinuation of evobrutinib. The mechanism is 
unknown.  
Evobrutinib liver AESIs will include transaminases (> 3 × ULN), bilirubin elevations 
(> 1.5 × ULN), biological Hy’s Law cases based on laboratory data, any type of acute or 
chronic hepatitis (any grade), suspected drug-induced liver injury, acute or chronic hepatic 
failure, fibrosis, cirrhosis, and other liver damage-related conditions.  
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Infections 
As per its mechanism of action, evobrutinib may impair B cell function which might lead to 
a decreased humoral immunity and consequently an increased risk of infection. Overall, in 
completed studies in participants the MedDRA SOC Infection was one of the most reported 
SOCs (e.g., in the MS200527_0086 RMS study approximately 18% to 32% of participants 
treated with evobrutinib reported infection; a similar rate was reported in the placebo group 
in the 0 to 24 week period), the individual events were of low grade, mainly Grade 1, 
nonserious and did not lead to study intervention discontinuation. Treatment of infections 
must be prompt and done in accordance with local standard of care depending on 
considerations such as the nature and severity of the infection and participant’s overall health 
status. Any CTCAE Grade ≥ 3 or SAEs of infection and opportunistic infection are considered 
as an AESI. 
Amylase and lipase elevations 
Asymptomatic elevations in amylase or lipase or both in participants treated with evobrutinib 
have been observed at a variety of time points and reported as TEAEs or noted as laboratory 
abnormalities. In RMS Study MS200527_0086, the incidence of TEAEs of lipase increased 
was slightly higher in evobrutinib 75 mg once daily and 75 mg twice daily arms (5 [9.4%] 
and 5 [9.3%], respectively) when compared to other arms (approximately between 4% to 6%). 
However, shifts from Baseline to highest grade on treatment were similar across all treatment 
arms for both amylase and lipase. In evobrutinib studies in other indications and in healthy 
participants the incidence of TEAEs of increased amylase or lipase, or both was infrequent 
and no clinically meaningful differences were observed across treatment arms. Any elevation 
of > 2 × ULN of lipase or amylase and any type of pancreatitis are classified as AESIs.  
Seizures 
Seizures are more common in patients with MS than in the general population, occurring in 
2% to 3% of MS patients (Poser 2003). Convulsions were observed in early studies of 
evobrutinib in dogs, however the plasma concentration of evobrutinib was approximately 
140-fold greater than it is predicted for the dose used in this study. One participant with RMS 
with significant brain lesion load reported seizure of unclear clinical picture. The PK data for 
this participant did not exceed the expected values and was similar to other participants in the 
study. Anticonvulsant therapy was started and the participant continued treatment with 
evobrutinib with no reoccurrence. The Investigator did not consider the event to be related to 
evobrutinib. No event of convulsion/seizure was reported in other indications. Evobrutinib 
has been administered to approximately 800 patients with MS, RA and SLE. Moreover, an 
electroencephalogram study in healthy volunteers did not show an epileptogenic potential for 
evobrutinib. Any type of seizures/epilepsy of any grade or its consequences are classified as 
AESIs. 
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7 
Discontinuation of Study Intervention and Participant 
Discontinuation/Withdrawal  
7.1 
Discontinuation of Study Intervention  
In rare instances, it may be necessary for a participant to permanently discontinue (definitive 
discontinuation) study intervention. If study intervention is definitively discontinued, the 
participant will remain in the study to be evaluated for the SFU visit. The SoA indicates data 
to be collected at the time of discontinuation of study intervention and follow-up and for any 
further evaluations that need to be completed. 
The Investigator should discontinue study intervention when a participant meets one of the 
conditions outlined below or if the Investigator believes that it is in the best interest of the 
participant. Due to the prolonged half-life of teriflunomide, and the possibility that the 
participant received teriflunomide, accelerated elimination with cholestyramine, activated 
charcoal, or as per local standard of care may be considered (for more details see Appendix 8). 
In cases for which permanent discontinuation of study intervention is required, no rechallenge 
will be allowed. 
Liver function test-related monitoring and discontinuation criteria should be based on both 
central and local laboratory assessments depending on availability (i.e., participants should be 
discontinued if central or local laboratory result fulfills related criterion). The final decision 
should be based on the highest reported values (regardless of central or the local lab 
evaluation). 
Criteria for Permanent Discontinuation of Study Intervention: 
The Investigator should permanently discontinue study intervention upon confirmation of 
the criteria outlined below. 
For laboratory or assessment related criteria: 
x a neutrophil count < 500 / mm3 
x a neutrophil count 500–999 / mm3 with fever 
x platelet count < 25,000 / mm3 
x platelet count 25,000–49,999 / mm3 with bleeding 
x an increase in lipase to > 5 × ULN 
x an increase in amylase to > 5 × ULN 
x an increase in serum creatinine to > 3 × ULN 
x any other laboratory abnormality of clinical significance, with the exception of 
lymphopenia (see below) 
x QTcF > 500 msec OR an increase in QTcF > 60 msec relative to the participant’s Baseline 
ECG (Day 1) is observed and confirmed (with a second ECG). 
x Detectable HBV DNA ≥ 20 IU/mL. Should this occur, consultations with specialists, such 
as a hepatologist, can be performed at the discretion of the Investigator and the Medical 
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Monitor should be informed. In addition, a comprehensive hepatic/autoimmune panel is 
required (see below). 
 
Note: HBV DNA is assessed only in Hepatitis B antibody-positive participants 
during the study (see SoA [Section 1.3] and Exclusion Criterion 34). 
x Confirmed increase of ALT/AST ≥ 5 ULN (without increased bilirubin values) 
x Confirmed increase of total bilirubin > 2 ULN (without increased ALT/AST values) 
x For an increase in AST and/or ALT to > 3 × ULN in combination with an increase in 
bilirubin to > 2 × ULN, the study intervention should be permanently discontinued and the 
Medical Monitor informed. In addition, a comprehensive hepatic/autoimmune panel is 
required (see below). 
For other reasons: 
x Pregnancy. As a pregnant participant may have received teriflunomide and due to the 
prolonged half-life of teriflunomide, an AEP should be performed and a teriflunomide level 
< 0.02 mg/L should be reached (for more details see Appendix 8). 
x Any events that endanger the safety of the participant. 
x Sponsor decision to end clinical study. 
x Adverse events, if discontinuation of study intervention is desired or considered necessary 
by the Investigator and/or participant. 
x Noncompliance regarding study intervention (see Section 6.4). 
x Extended interruption of the study treatment for more than 30 days for any reason, except 
during AEP (between DBE period and OLE period) where a treatment gap over 30 days is 
acceptable if approved by the Medical Monitor. 
x Use of prohibited medications, as defined in Section 6.5.3.  
x Note: Any medications that are considered necessary for the participant’s well-being 
may be given at the discretion of the Investigator. However, as this may impact 
continued participation in the study, the Medical Monitor must be informed that 
prohibited medication was used, and a protocol deviation should be documented.  
x Lack of efficacy and/or progression of MS as defined by Investigator judgment or when a 
medication other than permitted medications (as defined in Section 6.5.2) is needed for 
treatment (see above regarding prohibited medications). 
Criteria for Temporary Discontinuation of Study Intervention: 
The Investigator should temporarily discontinue study intervention for the discontinuation 
criteria outlined below, inform the Medical Monitor, and perform confirmatory testing as 
instructed. Depending on the result of the confirmatory test (i.e., performed centrally or 
locally), the Investigator should follow instructions as outlined below, including 
permanently discontinuing study intervention when indicated. 
For any study intervention discontinuation related to laboratory or assessment results, the 
participant should be followed with additional testing as needed until a return to within normal 
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limits or an acceptable value. In cases for which permanent discontinuation of study 
intervention is required, no rechallenge will be allowed. 
Liver Function Testing criteria: 
x For an increase in AST or ALT to > 3 × to < 5× ULN, temporarily interrupt the study 
intervention and recheck the value within 72 hours to confirm the reported elevation. 
x If AST and/or ALT > 3 × ULN to < 5 × ULN are confirmed within 72 hours and have 
increased by more than 50% (compared to latest confirmed value), continue interruption 
of the study intervention with an additional recheck in 72 hours later. 
o If rechecked value in the second recheck has decreased to < ULN or < participant’s 
baseline, rechallenge can be considered in the absence of hyperbilirubinemia 
o In all other cases, permanently discontinue the study intervention and inform the 
Medical Monitor. 
x If AST and/or ALT > 3 × ULN to < 5 × ULN are confirmed within 72 hours and have 
increased by less than 50% (compared to latest confirmed value), continue interruption 
of the study intervention with an addition recheck in 1 week. 
o If rechecked value in the second recheck has decreased to < ULN or < participant’s 
baseline, rechallenge can be considered in the absence of hyperbilirubinemia 
o In all other cases, permanently discontinue the study intervention and inform the 
Medical Monitor. 
x For an increase in bilirubin of > 1.5 × to ≤ 2 × ULN, temporarily interrupt the study 
intervention and recheck the value within 72 hours to confirm the reported elevation. 
o If the value is still > 1.5 × to ≤ 2 × ULN upon recheck, continue temporary 
interruption of the study intervention with an additional recheck in 1 week. 
o If the value is still > 1.5 × to ≤ 2 × ULN upon 2nd recheck, the study intervention 
should be permanently discontinued and the Medical Monitor informed. 
o If the value has decreased to ≤ 1.5 × ULN, the Investigator may reinitiate study 
intervention (see Section 7.1). 
Any re-challenge associated with LFT elevations should follow the weekly monitoring for 
12 weeks. 
For participants who temporarily or permanently discontinue study intervention because of 
abnormal liver function or detection of HBV DNA (see Exclusion Criterion 34), consultations 
with specialists, such as a hepatologist and liver imaging such as ultrasound are encouraged 
to exclude potential alternative causes of liver injury. In addition, a comprehensive 
hepatic/autoimmune panel is required, including the following (performed by central 
laboratory, unless otherwise stated): 
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x International normalized ratio (INR), partial thromboplastin time, fibrinogen, high 
sensitivity C reactive protein 
x Anti-Hepatitis A Virus (anti-HAV) IgM, HBsAg, anti-Hepatitis B Core Antigen (antiHBc) 
IgM, anti-HBsAg, anti-HCV (6 weeks or later post initial LFTs elevation), anti-Hepatitis 
E Virus (anti-HEV) IgG and IgM, antiviral capsid antigen (anti-VCA) IgG and IgM, 
anti- early antigen (anti-EA) IgG, antiEpstein-Barr Nuclear Antigen (anti-EBNA) IgG, 
anti- cytomegalovirus (CMV) IgG and IgM, Epstein-Barr virus (EBV) PCR, and CMV 
PCR 
x HCV RNA by PCR 
x Antinuclear antibody, antismooth muscle antibody, antibody to liver-kidney microsomes 
x Albumin 
x Alkaline phosphatase 
x Ferritin and transferrin saturation 
x Focused genetic testing for variants that confer risk for liver diseases and/or drug-related 
liver injury, including but not limited to: testing for variants in the High Iron Fe (human 
hemochromatosis protein) (HFE) gene (C282Y, H63D) in the setting of abnormal 
ferritin/transferrin saturation values as defined in Exclusion Criterion 10. 
Other Laboratory Criteria: 
x For a decrease in neutrophil count to 500 to 999 / mm3 without fever, temporarily 
discontinue study intervention and recheck the value within 1 week.  
x If the value is still < 1,000 / mm3 upon retest, permanently discontinue study 
intervention.  
x For an improvement to 1,000 to 1,499 / mm3 upon retest, continue to hold the study 
intervention and recheck the value within 1 week.  
x If a further downward trend is observed, permanently discontinue study 
intervention.  
x If no further downward trend is observed, the Investigator may reinitiate study 
intervention. 
x If the neutrophil count returns to ≥ 1,500 / mm3 upon retest, the Investigator may 
reinitiate study intervention. 
x For a decrease in neutrophil count to 1,000 to 1,499 / mm3, temporarily discontinue study 
intervention and recheck the value within 1 week.  
x If a downward trend is observed upon retest, permanently discontinue study 
intervention.  
x If no downward trend is observed, the Investigator may reinitiate study intervention. 
x For a decrease in platelet count to 25,000 to 49,999 / mm3 without bleeding, temporarily 
discontinue study intervention and recheck the value within 1 week.  
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x If the value is still < 50,000 / mm3 upon retest, permanently discontinue study 
intervention.  
x For an improvement to 50,000 to 74,999 / mm3 upon retest, continue to hold the 
study intervention and recheck the value within 1 week.  
x If a further downward trend is observed upon retest, permanently discontinue 
study intervention.  
x If no further downward trend is observed, the Investigator may reinitiate study 
intervention. 
x If the platelet count returns to ≥ 75,000 / mm3 upon retest, the Investigator may 
reinitiate study intervention. 
x For a decrease in platelet count to 50,000 to 74,999 / mm3, temporarily discontinue study 
intervention and recheck the value within 1 week.  
x If a downward trend is observed upon retest, permanently discontinue study 
intervention.  
x If no downward trend is observed upon retest, the Investigator may reinitiate study 
intervention. 
x For an increase in amylase to > 2 to 5 × ULN, temporarily discontinue study intervention 
and recheck the value within 72 hours of receipt in fasting state (and no later than 1 week).  
x If the value is still > 2 × ULN or higher upon retest, permanently discontinue study 
intervention. 
x If the amylase returns to ≤ 2 × ULN upon retest, the Investigator may reinitiate study 
intervention. 
x For an increase in lipase to > 2 to 5 × ULN, temporarily discontinue study intervention and 
recheck the value within 72 hours of receipt in fasting state (and no later than 1 week).  
x If the value is still > 2 × ULN or higher upon retest, permanently discontinue study 
intervention. 
x If the lipase returns to ≤ 2 × ULN upon retest, the Investigator may reinitiate study 
intervention. 
x For any increase in serum creatinine > 1.5 × ULN but ≤ 3 × ULN, temporarily discontinue 
study intervention and recheck the value within 72 hours of receipt (and no later than 
1 week).  
x If the value does not decrease upon retest, permanently discontinue study 
intervention 
x If a downward trend is observed, the Investigator may reinitiate study intervention. 
x For an absolute lymphocyte count < 200 / mm3, study intervention should be temporarily 
discontinued, and follow-up testing should be conducted as clinically indicated 
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x If the absolute lymphocyte count returns to ≥ 500 / mm3, the Investigator may 
reinitiate study intervention. 
x If there is persistent lymphopenia < 200 / mm3, permanently discontinue study 
intervention. 
x For any other laboratory increase/decrease (as relevant) from Baseline to a clinically 
significant higher severity grade, temporarily discontinue study intervention and recheck 
the value within 72 hours of receipt (and no later than 1 week). The Investigator may 
reinitiate study intervention if an improving trend is observed. 
For other reasons: 
x At the first sign or symptom suggestive of PML, or brain MRI suggestive of PML, 
temporarily discontinue the study intervention and check for CSF JCV PCR (performed 
by central laboratory). If positive, permanently withdraw the study intervention (see 
Appendix 7). 
The SoA specifies the data to collect at study intervention discontinuation and follow-up, 
and any additional evaluations that need to be completed. 
7.1.1 
Temporary Discontinuation  
See Section 7.1 for specific criteria for temporary discontinuation related to abnormal 
laboratory values. 
7.1.2 
Rechallenge  
See Section 7.1 for specific criteria for rechallenge following temporary discontinuation for 
abnormal laboratory values.  
7.2 
Participant Discontinuation/Withdrawal from the Study  
x A participant may withdraw from the study at any time, at his/her own request or may be 
withdrawn at any time at the discretion of the Investigator for safety, behavioral, 
compliance, or administrative reasons. 
x If a participant is permanently withdrawn from study intervention due to stopping rules 
(see Section 7.1), the participant should also be withdrawn from the study. 
x At the time it is determined that a participant is withdrawing from the study, the participant 
should, if possible, return for an Early Discontinuation Visit, as listed in the SoA. The SoA 
specifies the data to collect at study discontinuation and follow-up, and any additional 
evaluations that need to be completed. 
x Subsequent to the Early Discontinuation Visit, the participant should, if possible, enter 
the 4-week Safety Follow-Up Period. At the end of that 4-week period, the participant 
should return for the 4-week Safety Follow-up Visit. After completing this visit, the 
participant would be discontinued from the study. 
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x If the participant withdraws consent for future involvement in the study, any data 
collected up to that point may still be used, but no future data can be generated, and any 
biological samples collected will be destroyed. 
x A participant has the right at any time to request destruction of any biological samples 
taken. The Investigator must document this in the site study records. 
Participants who have discontinued after randomization (e.g., due to AEs or lack of efficacy; 
see Section 7.1) will not be replaced. Participants who discontinue from the study should 
return for the Early Discontinuation Visit and the Safety Follow-up Visit 4 weeks from the 
day of discontinuation of study interventions.  
7.3 
Lost to Follow-Up  
A participant will be considered lost to follow-up if he or she repeatedly fails to return for 
scheduled visits and is unable to be contacted by the study site. 
The following actions must be taken if a participant fails to return to the clinic for a required 
study visit: 
x The site must attempt to contact the participant and reschedule the missed visit as soon as 
possible, counsel the participant on the importance of maintaining the assigned visit 
schedule, and ascertain if the participant wants to or should continue in the study. 
x Before a participant is deemed “lost to follow-up”, the Investigator or designee must make 
every effort to regain contact with the participant: 1) where possible, make 3 telephone 
calls, 2) if necessary, send a certified letter (or an equivalent local method) to the 
participant’s last known mailing address, and 3) if a participant has given the appropriate 
consent, contact the participant’s general practitioner for information. These contact 
attempts should be documented in the participant’s medical record. 
x Should the participant continue to be unreachable, he/she will be considered to have 
withdrawn from the study. 
8 
Study Assessments and Procedures  
x Study assessments and procedures and their timing are summarized in the SoA. 
x No protocol waivers or exemptions are allowed. 
x Immediate safety concerns should be discussed with the Sponsor immediately upon 
occurrence or awareness to determine if the participant should continue or discontinue 
study intervention. 
x Adherence to the study design requirements, including those specified in the SoA, is 
essential and required for study conduct. 
x All screening evaluations must be completed and reviewed to confirm that potential 
participants meet all eligibility criteria. The Investigator will maintain a screening log to 
record details of all participants screened, to confirm eligibility, and if applicable, record 
reasons for screening failure. 
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x Prior to performing any study assessments that are not part of the participant’s routine 
medical care, the Investigator will obtain written informed consent as specified in 
Appendix 2 Study Governance. 
x Procedures conducted as part of the participant’s routine medical care (e.g., blood count) 
and obtained before signing of the ICF may be used for screening or Baseline purposes 
provided the procedures met the protocol-specified criteria and were performed within the 
time frame defined in the SoA, if reviewed and approved by the Sponsor. 
The following data will be collected:  
x Demography: date of birth, sex (gender), ethnicity, and race, as permitted by local 
regulations. 
x Medical history (including diagnosis and duration of MS): previous illness and surgeries 
(e.g., all during the past year and only major ones prior to that), concomitant illness, 
allergies, prior therapies for the target indication and reason for switch (i.e., relevant 
previous medications), therapies stopped or changed at entry into the study (includes use 
of drugs, alcohol, tobacco, and caffeine), special diets and, for women, menstrual status. 
x Participants will be asked to record the following information daily in a paper participant 
diary: 
o 
dosing date and time 
o 
food intake around time of dosing (only on the day prior to PK 
sampling and the day of PK sampling, and around the time of the last 
dose prior to evobrutinib concentration assessment sampling). 
All blood and urine tests will be analyzed by a central laboratory, with the following 
exceptions: 
x Urine testing for β-human chorionic gonadotropin will be conducted at the local 
laboratories. 
x Urine dipstick results will be interpreted locally. Urine microscopic examination will be 
conducted centrally. Please see the SoA (see Section 1.3) and Appendix 5 for information 
regarding abnormal dipstick results.  
x PK and biomarker samples will be analyzed by the analytical laboratories specified by the 
Sponsor. 
x HIV testing should be conducted centrally. Where required by local regulations, can be 
conducted, and analyzed locally. 
x T-SPOT test will be conducted at the local laboratories after an indeterminate or positive 
QuantiFERON test. 
x A standard 12-lead ECG will be performed (see Section 8.2.3).  
Screening 
See the SoA (see Section 1.3) for a list of assessments completed at Screening. 
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The Screening packet will be reviewed by the Medical Monitor. See Appendix 2 for further 
details. 
The Screening Period may be extended after approval by the Medical Monitor (but cannot 
exceed 12 weeks) when a laboratory test must be repeated or reflex testing must be performed, 
an unanticipated event occurs, or for participants who have used systemic corticosteroids for 
their MS before Screening. For a participant to be eligible, systemic corticosteroids should 
not have been administered between Screening and Baseline. See Appendix 2 for details of 
the steps to be performed. 
Accelerated Elimination Procedure (At Screening Visit for OLE only) 
All participants previously treated with teriflunomide, or unknown exposure status during the 
DBTP and DBE period, entering the OLE must undergo an AEP for teriflunomide. The AEP 
is to be initiated at the Screening visit upon signing of ICF and initial screening and completed 
during 11 consecutive days preferably within a 30-day period before Day 1 of the OLE (refer 
to Appendix 8). If justified for clinical or logistical reasons, an extension of the 30-day period 
for the AEP procedure is possible upon approval by the Medical Monitor. The Investigator 
should dispense cholestyramine or activated charcoal and to instruct participant about proper 
intake. The blood concentration of teriflunomide has to be verified upon completion of the 
AEP via blood sample collection between Day 12 to Day 30 at the central laboratory. The 
Investigator will remain blinded to the teriflunomide levels. Please refer to the study-specific 
central laboratory manual for detailed information on the sampling procedures. The 
Investigator is responsible to ensure proper and timely completion of the AEP and will 
document completion at the Day 1 visit prior to the IWRS call and dispensation of the IMP. 
Retesting before Baseline 
In case the Screening laboratory samples are rejected by the central laboratory or the results 
are not assessable or abnormal, the tests need to be repeated once within 4 weeks. Any 
abnormal Screening laboratory value that is clinically relevant should be retested once in order 
to rule out any progressive or uncontrolled underlying condition. The last value before 
randomization must meet study criteria. In such circumstances, the Screening Period may 
need to be prolonged after approval by the Medical Monitor but should not exceed 12 weeks. 
In the event that an initial ferritin and/or transferrin saturation is abnormal and needs to be 
repeated, consider having participants abstain from iron supplements and vitamin C for 
1 week prior to retest, and perform the retest as a fasting collection. 
For screen failures, see Section 5.6. 
Rescreening 
Participants who are considered screen failures after a first Screening Period may undergo 
rescreening once, after approval by the Medical Monitor. For those participants, the Screening 
Period for rescreening may be extended after approval by the Medical Monitor (but cannot 
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exceed 12 weeks) for the reasons described above. If a participant is rescreened, all Screening 
tests will need to be repeated except as follows: 
a. Documented TB testing if occurred within 3 months prior to the rescreening visit. 
b. Hepatitis and HIV testing if occurred within 1 month prior to the rescreening visit. 
Unscheduled Visit 
Participants should be instructed that if, at any point during the study, they suspect that they 
are experiencing new or worsening neurological symptoms, including possible relapse, they 
should contact the Investigator as soon as possible after the onset of symptoms. If necessary, 
the participant should be evaluated by the Treating Investigator and if appropriate, the 
Examining Investigator (assessor), within the clinic and every effort should be made to 
complete this evaluation within 1 week after the start of symptoms. Any assessments needed 
to confirm the relapse (EDSS) should be performed during the same visit. Details should be 
documented within the relevant section(s) of the eCRF. The definition of a qualifying and 
nonqualifying relapse is provided in Section 8.1.1.1. Once the assessments by the Treating 
Investigator and the Examining Investigator (assessor) are completed, the reported relapse 
will be adjudicated by the EAC. During the OLE, the full assessments of relapse should be 
completed by Treating Investigator also at the same visit (neurological exams and EDSS). 
If an MRI scan is indicated at an Unscheduled Visit for Neurological Worsening and Relapse 
Assessment, it should be performed prior to initiating corticosteroid therapy, where possible. 
In addition, care should be taken to avoid the participant being exposed to gadolinium more 
than once in a 4-week period, i.e., it may be necessary to cancel the MRI scan at the next 
scheduled visit (all other assessments should be completed at the visit as normal). If the 
Unscheduled Visit is conducted for a safety concern the assessments described below should 
be completed and any additional assessments and further management will be at the discretion 
of the Investigator. 
The following will be performed at an Unscheduled Visit: 
x Review of concomitant medications and procedures, evaluation of AEs, disease activity 
assessment (relapse assessment, EDSS), complete physical examination, vital signs, and a 
neurologic exam. 
x Blood sample collection for safety assessments (hematology and biochemistry). 
x Urine collection for urinalysis, and, if necessary, microscopy. 
x Additional assessments can be performed at the discretion of the Investigator. 
Telephone Contact 
If a clinic visit is not scheduled, Telephone Contacts will be scheduled with participants as 
indicated in the SoA (Section 1.3). During the Telephone Contacts, the following should be 
discussed with the participant:  
x Structured Interview (see Appendix 10) 
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x Pregnancy, if applicable, including confirm completion of home pregnancy testing and 
discuss results 
Telephone contacts between D1 and W44 are not expected to occur every 4 weeks, since 
participants are scheduled to be on site at least every 4 weeks. However, if a participant is 
utilizing the home visit option, telephone contacts should occur as indicated in the SoA. 
Telephone contacts between Week 44 and Week 156 should occur every 4 weeks if a clinic 
visit is not scheduled. 
Participants experiencing new or worsening neurological symptoms, including possible 
relapse, should be evaluated by the Investigator, if necessary, at an Unscheduled Visit. 
Double-Blind Extension Period 
After completing the DBTP (flexible duration up to 156 weeks) or at the time of PA trigger, 
all participants will be considered treatment completers and offered the opportunity to 
continue treatment assigned at randomization in the DBE. Signed consent will also be 
obtained prior to participation in the DBE period.  
Scheduled assessments will be performed according to the SoA (see Section 1.3.2) before 
administration of study intervention. All scheduled visits during the DBE period may take 
place within the visit windows specified in the SoA. Participants who discontinue early must 
return for the EODBE visit (Week 96/ED/EODBE). For further details see Sections 1.3.2 and 
4. 
Open Label Extension Period 
After completing the DBE period (up to 96 weeks) and if the long-term follow-up study is not 
yet open for enrollment, participants will be considered treatment completers and offered the 
opportunity to continue the treatment with evobrutinib in an OLE period under the current 
protocol. Signed consent will also be obtained prior to participation in the OLE period. 
Scheduled assessments will be performed according to the SoA (see Section 1.3.3) before 
administration of the study intervention. All scheduled visits during the OLE period may take 
place within the visit windows specified in the SoA. Participants who discontinue early must 
return for the OLE End of Treatment Visit (Week 96/ED/EOT). For further details see 
Sections 1.3.3 and 4. 
8.1 
Efficacy Assessments and Procedures  
8.1.1 
Neurological Assessment  
The Examining Investigator should ideally be a neurologist. However, if a neurologist is not 
available to perform the scope of the Examining Investigator’s tasks, other raters can be 
considered for the study as delegates; the delegate assigned for EDSS must be approved on a 
case-by-case basis by the Sponsor. 
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The Examining Investigator (assessor) or Qualified Examining Designee will perform the 
neurological examination, document the FSS, and assess EDSS scores. The Examining 
Investigator (assessor) or Qualified Examining Designee will be also responsible for 
performing and documenting results from: T25-FW, 9-HPT, and the SDMT. He or she will 
have access only to data from assessments listed above. The Examining Investigator 
(assessor) or Qualified Examining Designee will not be involved with any aspect of medical 
management of the participant and will not have access to participant data. Every effort will 
be made to ensure that there is no change in the Examining Investigator (assessor) or Qualified 
Examining Designee throughout the course of the study for any individual participant. The 
Examining Investigator (assessor) or Qualified Examining Designee will be trained and 
instructed not to discuss what adverse effects (if any) the participant is experiencing from 
their medication. The Examining Investigator (assessor) or Qualified Examining Designee 
will receive training in performing EDSS assessments prior to the beginning of the study and 
must have successfully passed an examination on performance of the Neurostatus EDSS 
examination, achieving Level C qualification, within 24 months of participation. All 
Examining Investigators (assessors) and Qualified Examining Designees will maintain 
ongoing training on performance of the Neurostatus EDSS examination and must maintain 
Level C qualification throughout the course of the study. 
Prior to being examined by the Examining Investigator (assessor), Treating Investigator 
and/or study coordinators should remind participants not to discuss what (if any) adverse 
effects they may be experiencing; this should be documented in the source documents. 
During the OLE period, the Investigator or Qualified Examining designee will perform 
neurological examination and assess EDSS scores. The Investigator or Qualified Examining 
designee will be also responsible for performing and documenting results from: T25-FW, 
9-HPT and the SDMT. The assessor should ideally be a neurologist. However, if a neurologist 
is not available to perform the task, other site personnel can be considered for the study as 
Qualified Examining designee. 
The Investigator or Qualified Examining Designee must have successfully passed an 
examination on performance of the Neurostatus EDSS examination, achieving Level C 
qualification, within 24 months of participation. All assessors and Qualified Examining 
Designees will maintain ongoing training on performance of the Neurostatus EDSS 
examination and must maintain Level C qualification throughout the course of the study. 
8.1.1.1 
Qualified Relapse  
A qualifying relapse is the occurrence of new or worsening neurological symptoms 
attributable to MS (for > 24 hours, no fever, infection, injury, AEs, and preceded by a stable 
or improving neurological state for ≥ 30 days). The relapse should be accompanied by an 
increase of ≥ 0.5 EDSS, or 2 points increase on 1 of the FSS, or 1-point increase on ≥ 2 of the 
FSS. The increase in FSS scores must be related to the neurological symptoms which were 
reported as new or worsening. The change must affect the selected FSS (i.e., pyramidal, 
cerebellar, brainstem, sensory, or visual, excluding cerebral, bladder or bowel). 
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Episodic spasms, sexual dysfunction, fatigue, and mood change will not suffice to establish a 
relapse. 
Adjudication of qualified relapses during the DBTP and DBE period (regardless of whether 
they are identified during a scheduled or unscheduled visit) will be performed by the EAC 
based on prespecified criteria, applied to data collected by the Treating and Examining 
Investigator, in a blinded fashion. During the OLE period, relapses will be evaluated, reported, 
and qualified by the Investigator only and no further adjudication via EAC will be performed. 
Any assessments needed to confirm the relapse should be performed, and details of the relapse 
should be documented within the relevant section(s) of the eCRF. The criteria for a qualified 
relapse should be clear and there should be documentation of how each potential relapse did 
or did not meet the criteria. Participants who have a documented relapse during treatment are 
not required to discontinue study intervention unless they meet any of the criteria for 
discontinuation from the study intervention (see Section 7). Relapse assessments may be 
conducted as phone assessments between study site visits. If neurological signs and symptoms 
are identified that are consistent with relapse, the participant should be evaluated on site. 
The annualized relapse rates up to 156 weeks will be calculated based on qualified relapses. 
8.1.1.2 
Disability Progression and Expanded Disability Status 
Scale  
Disability progression is defined as an increase of ≥ 1.0 point from the Baseline EDSS score 
that is not attributable to another etiology (e.g., fever, concurrent illness, or concomitant 
medication) when the Baseline score is 5.0 or less and an increase of ≥ 0.5 when the Baseline 
score is 5.5. Disability progression is considered sustained when the initial increase in the 
EDSS is confirmed at a regularly scheduled visit at least 12 weeks or 24 weeks, after the initial 
documentation of neurological worsening. 
CDP, sustained for 12 and 24 weeks after the initial documentation of neurological worsening, 
will be analyzed as secondary endpoints. 
8.1.1.3 
Confirmed Disability Improvement  
Disability improvement will be analyzed only for the subgroup of participants with a Baseline 
EDSS score ≥ 2.0 to ensure relevant baseline disability that is potentially amenable to 
improvement. Disability improvement is defined as a reduction of 1 point from Baseline 
EDSS score when the Baseline score is ≥ 2 and≤ 6 and a reduction of 0.5 point from Baseline 
EDSS score when the Baseline score is ≥ 6.5 and ≤ 9.5. Disability improvement is considered 
sustained when the initial reduction in the EDSS score is confirmed at a regularly scheduled 
visit at least 24 weeks after the initial reduction. 
CDI, sustained for 24 weeks after the initial documentation of neurological improvement, will 
be analyzed as a secondary endpoint. 
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8.1.1.4 
Timed Twenty-Five Foot Walk  
The T25-FW is a quantitative mobility and leg function performance test based on a timed 
25-foot walk. The participant is directed to one end of a clearly marked 25-foot course and is 
instructed to walk 25 feet as quickly as possible, but safely. The time is calculated from the 
initiation of the instruction to start and ends when the participant has reached the 25-foot 
mark. The task is immediately administered again by having the participant walk back the 
same distance. Participants may use assistive devices when doing this task. T25-FW will be 
administered by the Examining Investigator (assessor) or Qualified Examining Designee in 
DBTP/DBE period and by qualified non-blinded site personnel during the OLE period. 
A worsening of ≥ 20% is considered to have occurred in this task, when the time it takes to 
complete the task is longer by equal to or more than 20% than the time it took at Baseline. 
The worsening is considered confirmed at 12 weeks if the following assessment (at a 
scheduled visit of 12 weeks or more after the initial observed worsening) confirms it. 
8.1.1.5 
Nine Hole Peg Test  
The 9-HPT is a brief, standardized, quantitative test of upper extremity function. Both the 
dominant and nondominant hands are tested twice. The participant is seated at a table with a 
small, shallow container holding nine pegs and a wood or plastic block containing nine empty 
holes. On a start command when a stopwatch is started, the participant picks up the nine pegs 
one at a time as quickly as possible, puts them in the nine holes, and, once they are in the 
holes, removes them again as quickly as possible one at a time, replacing them into the shallow 
container. The total time to complete the task is recorded. Two consecutive studies with the 
dominant hand are immediately followed by two consecutive studies with the nondominant 
hand. 9-HPT will be administered by the Examining Investigator (assessor) or Qualified 
Examining Designee in DBTP/DBE period and by qualified non-blinded site personnel during 
the OLE period. 
A worsening of > 20% (either hand) is considered to have occurred in this task, when the time 
it takes to complete the task is longer by equal to or more than 20% than the time it took at 
Baseline. The worsening is considered confirmed at 12 weeks if the following assessment (at 
a scheduled visit of 12 weeks or more after the initial observed worsening) confirms it. 
8.1.1.6 
Symbol Digit Modalities Test  
The SDMT has demonstrated sensitivity in detecting not only the presence of cognitive 
impairment, but also changes in cognitive functioning over time and in response to treatment. 
The SDMT is brief, easy to administer, and involves a simple substitution task that normal 
children and adults can easily perform. Using a reference key, the examinee has 90 seconds 
to pair specific numbers with given geometric figures. Responses will be written and 
administration time is just 5 minutes. SDMT will be administered by the Examining 
Investigator (assessor) or Qualified Examining Designee in DBTP/DBE period and by 
qualified non-blinded site personnel during the OLE period. 
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Two different SDMT forms will be used, administered at alternating visits, to overcome 
learning effects. 
8.1.2 
Brain Magnetic Resonance Imaging Scans  
If a participant discontinues the study more than 4 weeks after his or her most recent MRI, 
during the double-blind, double-dummy phase of the Treatment Period, an MRI may be 
obtained at the Discontinuation Visit. The Screening MRI scan should be acquired before 
randomization and dosing to allow baseline evaluation by the central MRI reader (before 
randomization). 
Magnetic resonance imaging is a useful tool for monitoring CNS lesions in MS. Various MRI 
derived parameters have been related to disease activity, including T1 weighted gadolinium-
enhancing (T1 Gd+) lesions and new or enlarging hyperintense T2 (active T2) lesions. Other 
MRI readouts such as chronic T1 hypo-intense lesions are reflective of long-term brain 
damage (black holes). Combined unique active lesions are defined as the sum of new T1 Gd+ 
lesions and active T2 lesions (without double counting). It is hypothesized that changes in 
brain volume may reflect brain atrophy as a result of MS-related tissue loss and may thereby 
correlate with long-term clinical outcome in these participants (De Stefano 2002). 
Brain MRI scans will be performed according to a standardized imaging protocol before and 
after the administration of single-dose gadolinium. Further details, including the scans 
required and the optimal MRI workflow, will be provided in a separate Imaging Manual that 
will be provided to each study site.  
Images will be assessed by an independent, blinded, centralized MRI reading service, 
provided by NeuroRx Research. The assessment will be performed in the absence of clinical 
information. At the site level, the local radiologist assigned to this study will have access to 
the MRI scans and produces the local reports to inform the Treating Investigator of any noted 
safety issues. The Treating Investigator has access to the Screening (baseline) MRI scan in 
order to evaluate eligibility (see Section 5.1, inclusion criterion 3b) and, during the DBTP and 
DBE period of the study, to local MRI reports only in case of safety-related issues (e.g., non-
MS pathologies) to preserve the blinding of the data. When assessment of the local MRI report 
is required for safety concerns, a blinded report will be provided to the Treating Investigator 
by the local radiologist containing only non-MS pathology information. In addition, the 
Treating Investigator may inquire about an overall increase in new lesions observed, but this 
information must not be shared proactively or in detail by the local radiologist (such as 
number, type, or location of MS lesions). This inquiry should only occur annually and not 
more frequently. Overall, the Treating Investigator should never have access to the detailed 
MRI report to preserve the integrity of the study data.  
Independent safety-reads of all MRI scans can be obtained from the local radiology centers.  
In addition, if a scheduled MRI scan is delayed or an unscheduled MRI scan is indicated, care 
should be taken to avoid the participant being exposed to gadolinium more than once in a 
4-week period, i.e., it may be necessary to cancel the MRI scan at the next scheduled visit (all 
other assessments should be completed at the visit as per schedule). For example, if the next 
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scheduled visit is the Week 96, the Week 96 MRI scan should be performed as soon as the 
4-week period since previous exposure to gadolinium has elapsed. 
Gadolinium will be used to enhance T1-weighted lesions and to optimize clarity and accuracy 
of reporting. As gadolinium is excreted renally, participants with acute renal insufficiency 
(eGFR < 60 mL/min/1.73 m2) will be excluded from the study (see Section 5.2). 
In the OLE period, only those participants who have completed Week 96 and DBTP as well 
as DBE End-of-Treatment MRI assessments will be offered participation in a respective OLE 
MRI substudy. The End-of-DBE MRI will also serve as baseline MRI of the OLE and will 
require to preserve the blinding outlined for the DBTP and DBE period as described in the 
paragraphs above. During the OLE period, the Treating Investigator will have access to the 
full MRI reports including MS pathology (starting with the first MRI assessment in the OLE 
period at Week 48). Irrespective of the MRI substudy, all participants in the OLE period will 
have access to MRI evaluations for safety reasons if indicated by the Investigator. 
8.1.3 
Patient Reported Outcomes  
PRO data will be collected at the study visit with an electronic tablet device at specified study 
visits (see the SoA for details, Section 1.3). The tablet with the PRO instruments will be 
distributed by the Investigator staff and completed in their entirety by the participant. In the 
event of a tablet device not being available, an alternative method of data collection may be 
used. 
PROs should be completed prior to administration of study intervention and prior to any other 
study assessment(s) to ensure the validity of the instruments is not compromised, and data 
quality meets requirements of the Guidance for Industry Patient-Reported Outcome 
Measures: Use in Medical Product Development to Support Labeling Claims (Food and Drug 
Administration [FDA] 2009). 
PRO data will be elicited from participants in this study to better characterize the clinical 
profile of evobrutinib. These PRO measurements are described in Section 8.1.3. Please note 
that the methods for collecting and analyzing PRO data are different from those for the 
ascertainment of observed or volunteered AEs. Due to these differences, PRO data will not 
be reported as AEs and no attempt will be made to resolve any noticeable severe symptoms 
or functional status. 
To ensure missing data are minimized, all participants will be given detailed information and 
training about the nature of the PRO assessments and importance of such information for the 
study, at or prior to study start (based on materials provided).  
Further guidance/information for study sites on procedures for collecting electronic PROs 
(ePROs), as well as strategies to ensure complete and high-quality PRO data will be provided 
in the study manual of operations. 
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8.1.3.1 
Patient Reported Outcomes Measurement Information 
System  
The NIH PROMIS comprises an extensive set of item banks and short-form measures created 
from the item banks that assess physical, mental, and social aspects of health in adults and 
children, including symptoms such as pain, fatigue, and sleep disturbance, and health domains 
such as PF (Cella 2007). 
The PROMIS PF item bank was identified as having great potential for the evobrutinib 
program due to several factors, despite limited previous use in MS (Amtmann 2018), and lack 
of an MS-specific short form. First, the content includes all key aspects of PF domain, such 
as IADL, lower extremity (mobility), back and neck (central), and upper extremity 
functioning domains (Rose 2014). Second, the development process of PROMIS items 
included a rigorous development and calibration process, ensuring the technical quality of 
items. Further, items capture the full continuum of PF, from low to high levels, which is a 
useful characteristic for capturing changes over time. A short form specific to MS was 
developed with input from MS patients (n = 57) and validated in 2 observational studies. 
Measures from the PF item bank are scored on a T-score metric (higher scores = higher PF). 
An MID estimate of 2.7 is proposed for worsening PF for the PROMISnq PF(MS)15a 
(Kamudoni 2022). 
The PROMIS Fatigue item bank includes 95 items assessing the experience (frequency, 
duration, and intensity) as well as the impacts of fatigue on physical, mental, and social 
activities (Lai 2011). Psychometric properties of this bank have been established across 
different clinic populations (Cella 2016). An 8-item short-form specific to MS, derived based 
on input from clinicians (n = 36) and participants with MS (n = 48), is available (Cook 2012). 
This short form was further validated. Measures from the fatigue item bank are scored on a 
T-score metric (higher scores = higher fatigue).An MID estimate of 4  is proposed for 
minimal improvement and minimal worsening in the PROMIS Fatigue (MS) 8a scores 
(Kamudoni 2021). 
The PROMIS approach offers flexibility in the selection of items and how these are 
administered, including use of bespoke measures, fixed short forms, or computerized adaptive 
testing. PROMIS based short forms for physical functioning and fatigue are currently in 
preparation for FDA qualification as a DDT in MS (MS Working Group, 2018; DDT COA, 
2018). 
Physical function deterioration is defined as a reduction in PROMIS PF T-score ≥ 2.7 
compared to Baseline PROMIS PF T-score sustained for at least 12 weeks. 
8.1.3.2 
Medical Outcomes Study 36-Item Short Form Survey 
Instrument  
The Medical Outcomes SF-36v2 is a 36-item questionnaire that measures 8 areas of 
participant reported health rated from 0 to 100 (McHorney 1992, Ware 1992, 
McHorney 1993, McHorney 1994, and Freeman 2000). The areas are:  
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x Physical function 
x Role limitations due to health problems 
x Bodily pain 
x Social functioning 
x General mental health 
x Role limitations due to emotional problems 
x Energy/fatigue 
x General health perceptions 
The instrument will be used to calculate a normalized score for each of the 8 health domain 
scales, a PCS score, and a MSC score, with higher scores indicating better health.  
8.1.3.3 
EuroQoL 5 Dimension 5 Levels  
The EQ-5D is a standardized instrument developed as a measure of health-related quality of 
life that can be used in a wide range of health conditions and treatments. The EQ-5D-5L was 
introduced in 2009 to improve the instrument’s sensitivity and to reduce ceiling effects, as 
compared to the EQ-5D-3L. The EQ-5D-5L essentially consists of 2 pages: the EQ-5D 
descriptive system and the EQ VAS. 
The descriptive system comprises five dimensions: mobility, self-care, usual activities, 
pain/discomfort, and anxiety/depression. Each dimension has 5 levels: no problems, slight 
problems, moderate problems, severe problems, and extreme problems. The levels of the five 
dimensions can be combined into a 5-digit number that describes the patient’s health state. 
EQ-5D-5L health states, defined by the EQ-5D-5L descriptive system, may be converted into 
a single health utility index value using country specific value sets. Health utility values 
facilitate the calculation of quality-adjusted life years that are used to inform 
pharmacoeconomic evaluations of health care interventions.  
The EQ VAS records the respondent’s self-rated health on a 20 cm vertical, visual analogue 
scale with endpoints labeled ‘the best health you can imagine’ and ‘the worst health you can 
imagine’. This information can be used as a quantitative measure of health as judged by the 
individual respondents. 
Higher scores on both EQ-5D-5L health utility values and EQ VAS represent a better HRQoL. 
8.1.3.4 
WPAI: MS v2.0 (for OLE Period Only)  
Change in disability, fatigue, cognition, and health related quality of life are known to impact 
physical absence from work (i.e., absenteeism) and reduced productivity while working (i.e., 
presenteeism) and by that cause substantial costs. Work productivity and absenteeism is 
assessed to characterize the associations with disability, fatigue, cognition, and health-related 
quality of life. 
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The Work Productivity and Activity Impairment Questionnaire: Multiple Sclerosis, Version 
2.0 (WPAI: MS v2.0) is a validated and reliable 6-item questionnaire developed to measure 
the effect of multiple sclerosis on the ability to work and perform regular activities during the 
last 7 days. The instrument yields 4 types of scores: 
x Absenteeism (work time missed) 
x Presenteeism (impairment at work / reduced on-the-job effectiveness) 
x Work productivity loss (overall work impairment / absenteeism plus presenteeism) 
x Activity Impairment 
WPAI outcomes are expressed as impairment percentages, with higher numbers indicating 
greater impairment and less productivity, i.e. worse outcomes. 
WPAI:MS v2.0 will be assessed in a subset of participants based on questionnaire availability 
for individual countries and languages. 
8.2 
Safety Assessments and Procedures  
The safety profile of the study intervention will be assessed through the recording, reporting 
and analysis of Baseline medical conditions, AEs, physical examination findings, vital signs, 
ECGs, and laboratory tests including Ig and subclass concentration.  
Comprehensive assessment of any potential toxicity experienced by each participant will be 
conducted starting when the participants give informed consent and throughout the study. The 
Investigator will report any AEs, whether observed by the Investigator or reported by the 
participant; the reporting period is specified in Section 8.3.1. 
8.2.1 
Physical Examinations  
x A complete physical examination will include, at a minimum, assessments of the 
Cardiovascular, Respiratory, Gastrointestinal and Neurological systems. 
x Investigators should pay special attention to clinical signs related to previous serious 
illnesses. 
Any physical exam abnormality findings, which are identified as clinically significant before 
the ICF is signed, will be captured on the Medical History eCRF. After the ICF is signed, any 
new physical exam abnormality findings will be captured on the Adverse Event form. 
8.2.2 
Vital Signs  
x Height at Screening and weight will be measured and recorded. Weight will be measured 
and recorded at each visit where vital signs are recorded as noted in the SoA. 
x Temperature (should be measured at the same location throughout the study), pulse rate, 
respiratory rate, and blood pressure will be assessed. 
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x Blood pressure and pulse measurements will be assessed semisupine with a completely 
automated device. Manual techniques will be used only if an automated device is not 
available. 
x Blood pressure and pulse measurements will be preceded by at least 5 minutes of rest for 
the participant in a quiet setting without distractions (e.g., television, cell phones). 
x Vital signs will be measured in a semi-supine position after 5 minutes rest and will include 
temperature, systolic and diastolic blood pressure, and pulse and respiratory rate. 
8.2.3 
Electrocardiograms  
x Single 12-lead ECG will be obtained as outlined in the SoA using an ECG machine that 
automatically calculates the HR and measures PR, QRS, and QT intervals and RR duration.  
x The 12-lead ECG recordings will be obtained after 10 minutes of rest in a semi-supine 
position. 
x ECG results will be reviewed locally by the Investigator. In the event of findings that could 
represent clinically relevant cardiac issues (including but not limited to new or worsening 
arrhythmia, significant changes in ECG parameters, signs and/or symptoms that could 
represent cardiac events such as syncope, chest pain, etc.), additional evaluations can be 
performed per the Investigator’s clinical judgment (including but not limited to repeat 
ECGs, echocardiography, evaluation by a cardiologist). The printout of the ECG is to be 
signed, dated, and filed in the Investigator’s Site File along with a signed and dated copy 
(if the printouts are not on archive-quality paper). ECG tracings will be sent to the central 
reader electronically for processing. Final interpretation of ECGs may be made by the 
central ECG vendor. In addition, ECGs will also be stored digitally by the Sponsor.  
x In the OLE period, no ECG evaluation by central reader is required; however, ECGs will 
also be transmitted and stored digitally at the central location. 
8.2.4 
Clinical Safety Laboratory Assessments  
x Blood and urine samples will be collected for the clinical laboratory tests listed in 
Appendix 5, at the time points listed in the SoA. All samples will be clearly identified.  
x Additional tests may be performed at any time during the study, as determined necessary 
by the Investigator or required by local regulations. 
x The tests will be performed by the central laboratory. See Appendix 5 for exceptions. 
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x Local laboratory results are only required when central laboratory results are not available 
in time for study intervention administration and/or response evaluation. If a local sample 
is required, it is important that the sample for central analysis is obtained at the same time. 
Additionally, if the local laboratory results are used to make a study intervention decision 
or response evaluation, the results must be entered in the CRF. Immunoglobulin levels 
should not be done locally unless clinically indicated, as these results may lead to 
unblinding (see Section 8.2.6). 
x The Sponsor will receive a list of the local laboratory normal ranges before shipment of 
study intervention(s). Any changes to the ranges during the study will be forwarded to the 
Sponsor or designated organization. 
x The Investigator will review each laboratory report, document their review, and record any 
clinically relevant changes occurring during the study in the AE section of the CRF. The 
laboratory reports will be filed with the source documents. 
x Laboratory/analyte results that could unblind the study will not be reported to investigative 
sites or other blinded personnel until the study has been unblinded. 
x Pregnancy testing (serum or highly sensitive urine, as required by local regulations) will 
be conducted at monthly intervals during study intervention administration. 
x Pregnancy testing (serum or highly sensitive urine, as required by local regulations) will 
be conducted at the end of relevant systemic exposure of the study intervention and 
correspond with the time frame for female participant contraception in Section 5.1. 
x Reflex analysis testing for HBV DNA by PCR will be conducted for participants who are 
anti-hepatitis B surface antibody positive and/or anti-hepatitis B core antibody positive at 
Screening (see Exclusion Criterion 34). Whole blood samples of approximately 4 mL will 
be collected at the times specified in SoA. 
8.2.5 
Pregnancy  
Pregnancy testing (urine or serum as required by local regulations) should be conducted as 
summarized in the SoA (see Section 1.3) during intervention. 
Urine pregnancy testing will be performed at home or at the site. Urine pregnancy test kits 
will be provided to the participants at site visits. The Investigator and/or delegated site staff 
will train the relevant participants to self-administer the urine pregnancy test, and will contact 
the participant by telephone to confirm completion of urine pregnancy testing and discuss 
results. 
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8.2.6 
Immunoglobulin levels  
Blood samples for Ig levels (IgM, IgA, IgG, and IgE) will be collected as noted in the SoA 
(see Section 1.3). 
Samples will be analyzed by the central laboratory selected by the Sponsor. Samples will be 
collected, labeled, processed, stored, and shipped according to the instructions in the 
Laboratory Manual. 
Results will not be disclosed to the sites, Sponsor, or representative prior to database lock 
relative to the PA to avoid unblinding. However, the IDMC will have access to these data as 
applicable. 
8.2.7 
Columbia-Suicide Severity Rating Scale  
The C-SSRS will be used for prospective suicidality assessment. C-SSRS is a tool used to 
assess the lifetime suicidality of a participant and to track suicidal events through the 
treatment. The structured interview prompts recollection of suicidal ideation, including the 
intensity of the ideation, behavior and attempts with actual/potential lethality. 
The scale will be administered by the Treating Investigator (or designee) at the timepoints 
indicated in the SoA (see Section 1.3). The C-SSRS “Screening/Baseline” will be collected at 
Screening and Baseline and the C-SSRS “since last visit” will be collected at subsequent 
visits. 
Participants who answer “yes” to any suicidal behavior questions or to suicidal ideation 
questions 4 or 5 on the C-SSRS during the study should be referred for appropriate psychiatric 
care. The decision to discontinue the participant from the study should be taken by the 
Investigator in conjunction with the mental health provider. Any mental health issues 
considered to be life threatening should be recorded as appropriate. 
Please note: assessing the risk of suicide is a difficult and complex task when applied to the 
individual participant. Certainly, no single clinical scale can replace a thorough medical 
examination and suicide risk assessment. Ultimately, the determination of the presence of 
suicidality depends on clinical judgment. 
8.2.8 
Independent Data Monitoring Committee, Hepatology 
Assessment 
Committee, 
Endpoint 
Adjudication 
Committee, and Study Steering Committee  
Independent Data Monitoring Committee 
An IDMC will be formed for this study to monitor interim safety and disease activity data on 
a regular basis to ensure ongoing surveillance of participant safety and to monitor the conduct 
of the study to protect its integrity, including recommendations about additional monitoring 
measures or risk mitigation procedures that may be deemed necessary to protect the study 
participants. After consideration, the Sponsor will inform the IDMC of any decision that will 
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be taken in response to the IDMC recommendations. The IDMC will consist of a minimum 
of at least 3 expert members who are independent of the Sponsor. The members will be 
appointed by the Sponsor based on their expertise in biostatistics, MS, and additional 
members with expertise in hepatology. All IDMC members will have experience in the 
conduct of clinical studies. Members will not be Investigators in the study, nor will they have 
any conflict of interest with the Sponsor. Sponsor representatives and study Investigators are 
not eligible for membership on the IDMC. Details regarding IDMC roles, responsibilities, 
activities, and possible recommendations will be provided in a separate IDMC charter. 
Hepatology Assessment Committee 
A HAC will be formed to evaluate cases of possible DILI and to render ongoing opinion on 
overall DILI risk for evobrutinib. The DILI cases are to be suspected if at least one of the 
following criteria are met: 
a.) ALT or/and AST elevations > 8 × ULN;  
b.) ALT or/and AST elevations between > 5 × ULN and ≤ 8 × ULN;  
c.) Total bilirubin > 2 × ULN;  
d.) Total bilirubin > 2 × ULN with ALT or AST > 3 × ULN;  
e.) Acute or chronic hepatic failure, fibrosis, cirrhosis, and other liver damage-related conditions;  
f.) Any other case that might point to suspected DILI, based on Investigator assessment.  
HAC members will review case summaries including but not limited to clinician assessment, 
IMP exposure, laboratory assessments, hepatologist reports, medical history, and prior and 
concomitant medication to evaluate cases of suspected DILI. HAC will make 
recommendation to escalate cases to inform the IDMC and will advise IDMC on whether 
benefit/risk profile of evobrutinib requires changes based on their review. The HAC is 
composed of external hepatologists with the requisite scientific and medical experience in 
review of suspected DILI cases. HAC members are independent from the Clinical Study Team 
and the development program team and are blinded to treatment assignments. Details 
regarding HAC roles, responsibilities, activities, and possible recommendations will be 
provided in a separate HAC charter. 
Endpoint Adjudication Committee 
An EAC will be formed for centralized, blinded review and determination of qualified 
relapses during the DBTP and DBE (see Section 8.1.1.1). The EAC will be comprised of 
subject matter experts convened for the purpose of ensuring consistency across study sites 
and to allow for an unbiased endpoint assessment. Sponsor representatives and study 
Investigators are not eligible for membership on the EAC. The EAC will be managed by a 
central vendor; the vendor will be under contract to the Sponsor. Specific membership, roles, 
and responsibilities, required source documentation, data format, details about review 
process, and procedures and timing of meetings will be addressed in a separate EAC charter. 
No EAC will be maintained after the DBTP and DBE have ended as relapses will be qualified 
by Treating Investigators in the OLE period. 
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Study Steering Committee 
An SSC will provide direction and oversight to the study from an Investigator’s perspective, 
including protocol creation and amendments, study execution, and evaluation of study results 
at the end of study. Investigators in this clinical study and other experts who are not otherwise 
involved in the study may serve on this committee. 
8.3 
Adverse Events and Serious Adverse Events  
The definitions of an AE and a SAE are in Appendix 4. 
The Investigator and any qualified designees (e.g., Sub-Investigators) are responsible for 
detecting, documenting, and recording events that meet the definition of an AE or SAE. The 
Investigator remains responsible for following up AEs that are serious or that caused the 
participant to discontinue study intervention, as specified in Section 8.3.3. 
Requests for follow-up will usually be made via the Study Monitor, although in exceptional 
circumstances the global patient safety department may contact the Investigator directly to 
obtain further information or to discuss the event. 
8.3.1 
Time Period and Frequency for Collecting Adverse Event 
and Serious Adverse Event Information  
The AE reporting period for safety surveillance begins when the participant is initially 
included in the study (date of first signature of informed consent/date of first signature of first 
informed consent) and continues until the Safety Follow-up Visit. 
Any SAE assessed as related to study intervention must be recorded and reported, as indicated 
in Appendix 4, whenever it occurs, irrespective of the time elapsed since the last 
administration of study intervention. 
The method of recording, evaluating, and assessing causality of AEs (including SAEs) and 
the procedures for completing and transmitting SAE reports are in Appendix 4. 
8.3.2 
Method of Detecting Adverse Events and Serious Adverse 
Events  
At each study visit, the participant will be queried on changes in his or her condition. During 
the reporting period, any unfavorable changes in the participant’s condition will be recorded 
as AEs, regardless if reported by the participant or observed by the Investigator. 
Complete, accurate and consistent data on all AEs experienced for the duration of the 
reporting period (defined below) will be reported on an ongoing basis in the appropriate 
section of the CRF. All SAEs and nonserious AESIs must be additionally documented and 
reported using the appropriate Report Form as specified in Appendix 4. 
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8.3.3 
Follow-up of Adverse Events and Serious Adverse Events  
AEs are recorded and assessed continuously throughout the study, as specified in 
Section 8.3.1 and are assessed for their outcome at the Safety Follow-up Visit. All SAEs 
ongoing at the Safety Follow-up Visit must be monitored and followed up by the Investigator 
until stabilization or until the outcome is known, unless the participant is documented as “lost 
to follow-up”. Reasonable attempts to obtain this information must be made and documented. 
It is also the responsibility of the Investigator to ensure that any necessary additional 
therapeutic measures and follow-up procedures are performed. Further information on 
follow-up procedures is given in Appendix 4. 
8.3.4 
Regulatory Reporting Requirements for Serious Adverse 
Events  
The Sponsor will send appropriate safety notifications to Health Authorities in accordance 
with applicable laws and regulations. 
The Investigator must comply with any applicable site-specific requirements related to the 
reporting of SAEs (particularly deaths) involving study participants to the IEC/IRB that 
approved the study. 
In accordance with ICH GCP, the Sponsor/designee will inform the Investigator of findings 
that could adversely affect the safety of participants, impact the conduct of the study, or alter 
the IEC’s/IRB’s approval/favorable opinion to continue the study. In line with respective 
regulations, the Sponsor/designee will inform the Investigator of AEs that are both serious 
and unexpected and considered to be related to the administered product (“suspected 
unexpected serious adverse reactions” or SUSARs). The Investigator should place copies of 
Safety Reports in the Investigator Site File. National regulations regarding Safety Report 
notifications to Investigators will be considered. 
Individual Case Safety Reports will be prepared for SUSARs according to local regulatory 
requirements and Sponsor policy and forwarded to Investigators within 15 days. 
An Investigator or sub-investigator who receives an Individual Case Safety Report describing 
a SUSAR or other specific safety information (e.g., Emerging Safety Issue Report, summary 
or listing of SAEs/SUSARs) from the Sponsor will review the safety reports and confirm 
completion of this review. This information will be filed it in the Investigator’s Site File, and 
the IRB/IEC will be notified, if appropriate, according to applicable local laws/regulations 
and site Standard Operating Procedures. 
When specifically required by regulations and guidelines, the Sponsor/designee will provide 
appropriate Safety Reports directly to the concerned lead IEC/IRB and will maintain records 
of these notifications. When direct reporting is not clearly defined by national or site-specific 
regulations, the Investigator will be responsible for promptly notifying the concerned 
IEC/IRB of any Safety Reports provided by the Sponsor/designee and of filing copies of all 
related correspondence in the Investigator Site File. 
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For studies covered by the European Directive 2001/20/EC, the Sponsor’s responsibilities 
regarding the reporting of SAEs/SUSARs/Safety Issues will be carried out in accordance with 
that Directive and with the related Detailed Guidance documents. 
8.3.5 
Pregnancy  
Details of all pregnancies in female participants and female partners of male participants will 
be collected after the start of study intervention and until the Safety Follow-up Visit. 
If a pregnancy is reported, the Investigator will inform the Sponsor within 24 hours of learning 
of the pregnancy and will follow the procedures specified below for collection of pregnancy 
information. 
Abnormal pregnancy outcomes (e.g., spontaneous abortion, fetal death, stillbirth, congenital 
anomalies, ectopic pregnancy) are considered SAEs. 
Collection of Pregnancy Information 
Male participants with partners who become pregnant: 
x The Investigator will attempt to collect pregnancy information on any male participant’s 
female partner, who becomes pregnant while the participant is in this study. This applies 
only to participants who receive study intervention. 
x After obtaining signed consent from the pregnant female partner directly, the Investigator 
will record the pregnancy information on the appropriate form and submit it to the Sponsor 
within 24 hours of learning of the pregnancy. The female partner will also be followed to 
determine the outcome of the pregnancy. Information on the status of the mother and child 
will be forwarded to the Sponsor. Generally, the follow-up will be no longer than 6 to 
8 weeks following the estimated delivery date. Any termination of the pregnancy will be 
reported regardless of fetal status (presence or absence of anomalies) or indication for the 
procedure. 
Female Participants who become pregnant: 
x The Investigator will collect pregnancy information on any female participant who 
becomes pregnant while she is in the study. The initial information will be recorded on the 
appropriate form and submitted to the Sponsor within 24 hours of learning of the 
pregnancy. 
x The participant will be followed to determine the outcome of the pregnancy. The 
Investigator will collect follow-up information on the participant and the neonate, and the 
information will be forwarded to the Sponsor. Generally, follow-up will not be required 
for longer than 6 to 8 weeks beyond the estimated delivery date. Any termination of 
pregnancy will be reported, regardless of fetal status (presence or absence of anomalies) or 
indication for the procedure. 
x While pregnancy itself is not considered to be an AE or SAE, any pregnancy complication 
or elective termination of a pregnancy for medical reasons will be reported as an AE or 
SAE. 
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x A spontaneous abortion (occurring at < 22 weeks gestational age) or stillbirth (occurring 
at > 22 weeks gestational age) is always considered to be an SAE and will be reported as 
such. 
x Any poststudy pregnancy-related SAE considered reasonably related to the study 
intervention by the Investigator will be reported to the Sponsor as specified in 
Section 8.3.4. While the Investigator is not obligated to actively seek this information in 
former study participants, he or she may learn of an SAE through spontaneous reporting. 
x Any female participant who becomes pregnant while participating in the study will 
discontinue study intervention. Participants who intend to become pregnant during the 
study will also discontinue study intervention. As a pregnant participant may have received 
teriflunomide and due to the prolonged half-life of teriflunomide, an AEP should be 
performed and a teriflunomide level < 0.02 mg/L has to be reached (for more details see 
Appendix 8). 
8.4 
Treatment of Overdose  
For this study, any dose of study intervention greater than the highest total daily dose included 
in the protocol or planned for a participant in the study within a 24-hour time period - 6 hours 
will be considered an overdose. 
The Sponsor does not recommend specific treatment for an overdose if not associated with 
any clinical signs/symptoms, but assistive/supportive measures, as necessary, should be 
provided. However, if there are clinical signs/symptoms then AEP should be performed as 
described in Appendix 8. 
Even if it not associated with an AE or a SAE, any overdose is recorded in the CRF and 
reported to drug safety in an expedited manner. Overdoses are reported on a SAE Report 
Form, following the procedure in Appendix 4, section on Reporting Serious Adverse Events 
and Adverse Events of Special Interest. 
8.5 
Pharmacokinetics  
x The following PK parameters will be calculated, when appropriate: 
 
Symbol 
Definition 
AUC 
Area under the plasma concentration-time curve 
CL/f 
The apparent total body clearance of study intervention following extravascular 
administration 
Cmax 
Maximum evobrutinib concentration  
Vz/f 
The apparent volume of distribution during the terminal phase following extravascular 
administration 
DBTP 
x Whole blood samples of approximately 2 mL will be collected for measurement of plasma 
concentrations of evobrutinib, as specified in the SoA. The actual date and time (24-hour 
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clock time) of each sample will be recorded to calculate actual time elapsed since the prior 
dose administration. The sampling timing may be altered during the study based on newly 
available data (e.g., to obtain data closer to the time of peak plasma concentrations) to 
ensure appropriate monitoring. 
x The exact date/time of sample collection and drug administration must be recorded in the 
eCRF and will be used in the calculation of PK parameters. Time deviations from planned 
PK sampling times will not be considered a protocol deviation provided the exact date/time 
of sample collection and drug administration are recorded in the eCRF. 
x The quantification of evobrutinib in plasma will be performed using a validated assay 
method. Concentrations will be used to evaluate the PK of evobrutinib. 
x Remaining samples collected for analyses of evobrutinib concentration may also be used 
to evaluate safety or efficacy aspects related to concerns arising during or after the study. 
x Details on processes for collection and shipment of these samples are in the Laboratory 
Manual. Retention time and possible analyses of samples after the end of study are 
specified in the respective ICF. 
x Evobrutinib concentration information that may unblind the study will not be reported to 
investigative sites or blinded personnel until the study has been unblinded. As samples 
from participants randomized to teriflunomide will not be analyzed for plasma 
concentrations of evobrutinib, measurements of evobrutinib concentration will be 
performed by unblinded analysts as detailed in Section 6.3.2. 
x All samples collected for PK, as noted in the SoA, still within the known stability of the 
evobrutinib at the time of receipt by the bioanalytical laboratory will be analyzed. 
DBE and OLE periods 
x No blood samples for PK analysis will be collected from participants enrolled in the DBE 
and OLE periods. 
See Section 9.4.3.1 for further details of the PK analysis. 
8.6 
Pharmacodynamics  
Not applicable. 
8.7 
Pharmacogenetics  
x Where local regulations and IRB/IEC allow, approximately 4 mL blood (total) sample will 
be collected for DNA analysis from consenting participants. Participation in 
pharmacogenetic research is optional. Participants who do not wish to participate in the 
pharmacogenetic research may still participate in the study. 
x If not collected on Day 1 or a redraw is needed, the pharmacogenetic sample may be 
obtained at any other point of time during the study. 
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x In the event of DNA extraction failure, a replacement sample for pharmacogenetic testing 
may be requested from the participant. Additional informed consent will not be required 
to obtain a replacement sample. 
x Appendix 6 provides further information on pharmacogenetic research. 
8.8 
Biomarkers  
x Collection of participant samples for biomarker research is also part of this study and is 
governed by the appropriate ICF. 
x DBTP and DBE: The following participant samples for biomarker research are required 
and will be collected from all participants enrolled in the DBTP and DBE. Collection times 
are specified in the SoA: 
x Blood samples may be tested for biomarkers of disease to evaluate disease activity or 
treatment response. 
x Blood samples will be tested for biomarkers of disease to evaluate the 
exposure-response relationship between PD biomarkers. 
x Blood samples may be tested for novel liver function biomarkers (e.g., protein, miRNA, 
etc.) to evaluate their activity with respect to predictivity and sensitivity of the novel 
biomarkers of hepatic function compared to traditional clinical chemistry endpoints. 
x Blood samples may be tested for gene expression/gene products to evaluate disease 
activity or treatment response. 
x Blood samples may be tested for impact on vaccinal responses. 
x In addition, participant samples (i.e., blood and PGx) collected may be analyzed for 
biomarkers thought to play a role in pharmacokinetics, safety endpoints, MS disease 
progression, drug response, and treatment efficacy including, specific candidate 
genes/genome-wide analysis for genetic variations. Also, samples may be re-purposed 
or used for future research studies. 
x OLE: 
x Blood Biomarker Substudy: 
o Blood samples for biomarker analyses will be collected in the Blood 
Biomarker Substudy (see Section 8.8.2).  
x Participants’ blood samples collected during the DBTP, DBE and OLE, may be repurposed 
to evaluate safety endpoints, MS disease progression, drug response, treatment efficacy, 
response to prophylactic vaccines, and/or future research, as specified in the ICF. 
x Up to approximately 840 mL total blood will be collected during the DBTP. For 
participants in the DBE period, up to approximately 420 mL of blood will be collected. For 
participants in the OLE period, up to approximately 220 mL of blood will be collected, 
with an additional approximately 80 mL collected from participants in the OLE biomarker 
substudy. Further details are provided in the ICF and Laboratory Manual. 
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x Details on processes for collection and shipment of DBTP, DBE, and OLE samples are in 
the Laboratory Manual. The Sponsor will store the samples in a secure storage space with 
adequate measures to protect confidentiality. Retention time and possible analyses of 
samples after the end of study are specified in the respective ICF.  
8.8.1 
Biomarkers of Disease, Disease Activity and Progression, 
Drug-related Outcomes, and Treatment Response  
DBTP, DBE and OLE Blood Biomarker Substudy - Blood samples will be collected from all 
participants to assess the relationship between candidate disease biomarkers (e.g., cytokines, 
etc.) and disease activity and progression (e.g., NfL), drug-related outcomes (e.g., impact on 
vaccinal responses), and/or treatment response. Samples will be obtained predose as noted in 
the SoA. Biomarkers of disease may be measured at the analytical laboratory selected by the 
Sponsor using an appropriately validated bioanalytical method. 
8.8.1.1 
Neurofilament Light Chain  
Recently, NfL, a critical component of neurons, has been established as a marker of neuronal 
damage and has become a potential biomarker for treatment monitoring in MS. As 1 of 5 
neurofilament proteins, NfL contributes to the structural support of axons, and the 
maintenance of their size, shape, and integrity. Following axonal damage, NfL is released into 
the CSF and blood. In patients with MS, serum NfL concentrations correlate with relapses, 
disability worsening, MRI disease activity and brain volume loss (Kuhle 2016, Kuhle 2017, 
Disanto 2017, Piehl 2018, Novakova 2017, Barro 2018). Recently, the International 
Progressive MS Alliance received a Letter of Support from the US FDA encouraging 
additional studies evaluating NfL as a pharmacodynamic and/or response biomarker in early 
clinical trials involving patients with progressive MS. Consequently, serum NfL 
concentrations will be assessed in all participants enrolled in this study. 
8.8.1.2 
Novel Liver Function Biomarkers  
DBTP and DBE 
Blood samples will be collected from all study participants enrolled in the DBTP to evaluate 
the relationship of novel biomarkers (e.g., protein, miRNA, etc.) of hepatic function levels 
compared to standard clinical chemistry endpoints during the DBTP. Levels of novel 
biomarkers of hepatic function may be measured using various methods in samples collected 
from participants at time points noted in the SoA.  
Sampling for novel liver function biomarkers is performed in parallel with LFT clinical 
chemistry monitoring. To enable analysis of a variety of biomarkers, samples are needed both 
prior as well as during the occurrence of elevated liver enzymes. Samples will be collected 
from all participants, stored, and a subset may be analyzed retrospectively, as appropriate. In 
addition, samples (both plasma and serum) may be repurposed to evaluate disease activity and 
progression (e.g., NfL), drug-related outcomes (e.g., impact on vaccinal responses), treatment 
responses, role of EBV in MS and/or future research studies. 
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8.8.2 
OLE Blood Biomarker PD Substudy – Biomarkers of 
Disease Activity, Progression and Response to Drug  
OLE - Blood samples will be collected from a subset of participants to evaluate the effect of 
extended evobrutinib treatment on biomarkers associated with disease progression (e.g., NfL), 
disease activity, drug-related outcomes (e.g., immune cell frequencies [TBNK assay] and Ig 
levels), candidate disease biomarkers (e.g., cytokines), and/or treatment responses. Samples 
will be obtained from participants (N = ~750; ~50% anticipated to be treated with evobrutinib 
and ~50% with teriflunomide throughout the DBE) at selected sites and participants will be 
selected in a blinded fashion. Due to the limited stability windows of the TBNK and Ig assays, 
the samples analyses will be performed before the study is unblinded. However, study team 
members will remain blinded to any results and not view the data until the study is unblinded. 
Assays involving biomarkers of disease will only be performed after the study is unblinded.  
Participation in the OLE Blood Biomarker Substudy for biomarker research is optional. 
Participants who do not wish to participate in the biomarker research portion (i.e., blood 
sample collection) of the study may still participate in the MRI substudy.  
The following samples for biomarker research will be collected from a subset of participants. 
Collection timepoints are specified in the SoA: 
x Blood samples will be tested for biomarkers of disease to evaluate disease activity or 
treatment response. (e.g., NfL). 
x Blood samples will be tested for immune cell frequencies (e.g., T cells, B cells and NK 
cells). 
x Blood samples will be tested for Ig levels (IgM, IgA, IgG, and IgE). 
x In addition, participants' samples may be repurposed to evaluate drug-related outcomes, 
treatment responses, role of EBV in MS, and/or for future research, as specified in the ICF. 
Samples (predose) will be collected as noted on the SoA (see Section 1.3.3).  
Samples will be analyzed by an analytical laboratory selected by the Sponsor using an 
appropriately validated bioanalytical method. 
For details describing the MRI substudy, please refer to Section 8.1.2. 
8.8.3 
Gene Expression  
DBTP and DBE 
Blood samples for gene expression analysis will be collected, except from participants in 
countries where collection of samples is not allowed, predose at time points noted in the SoA 
from all participants enrolled in the DBTP. These samples should be obtained after the 
assessment of vital signs in all participants (where allowed by local regulations). The actual 
date and time of each sample will be recorded. Samples may be analyzed by an analytical 
laboratory selected by the Sponsor using an appropriately validated bioanalytical method. The 
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purpose of this analysis is to test whether potential differences in expression of specific genes 
may be linked to PK, safety endpoints, drug response, and treatment efficacy. 
OLE  
For participants enrolled in the OLE, blood samples for gene expression analysis will not be 
collected. 
8.9 
Health Resource Utilization  
Health resource utilization data, associated with medical encounters, will be collected by the 
Treating Investigator and study-site personnel for all participants throughout the study. 
Protocol-mandated procedures, tests, and encounters are excluded.  
The data collected may be used to conduct exploratory economic analyses and will include: 
number of unplanned doctor/home/emergency visits, number of hospitalizations, paid 
assistance, and number of missed work days. 
8.10 
Immunogenicity Assessments  
Not applicable. 
9 
Statistical Considerations  
9.1 
Statistical Hypotheses  
9.1.1 
Statistical Hypotheses Related to Primary Objective  
The primary endpoint, ARR based on up to 156 weeks of follow-up and qualified relapse 
events from participants enrolled in the present study, will be assessed for superiority via a 
1-sided test of the null hypothesis H0: rRR ≥ 1, where rRR denotes qualified relapse rate ratio 
comparing evobrutinib to teriflunomide. The alternative hypothesis is H1: rRR < 1. The rRR 
effect measure will be estimated from a NB model for qualified relapse count that adjusts for 
covariates based on stratification factors.  
9.1.2 
Statistical Hypotheses Related to Secondary Objectives  
There are 6 efficacy secondary endpoints and 2 HRQoL secondary endpoints:  
x time to first occurrence of 12-week CDP based on up to 156 weeks of follow-up (pooled)  
x time to first occurrence of 24-week CDP based on up to 156 weeks of follow-up (pooled)  
x time to first occurrence of 24-week CDI based on up to 156 weeks of follow-up (pooled) 
x CFB in PROMIS PF score over 96 weeks (pooled) 
x CFB in PROMIS Fatigue score over 96 weeks (pooled) 
x total number of T1 Gd+ lesions based on all available MRI scans 
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x number of new or enlarging T2 lesions on the last available MRI scan relative to the 
baseline MRI scan  
x NfL concentration level at Week 12. 
The secondary endpoint, time to 12-week CDP (pooled), will be assessed for superiority via 
a 1-sided stratified logrank test of the null hypothesis H0: Se(t) ≤ Sc(t), where Se(t) denotes the 
survival function for time to 12-week CDP in the experimental (evobrutinib) group, Sc(t) 
denotes the survival function for time to 12-week CDP in the control (teriflunomide) group, 
and the variable t denotes time since randomization. The alternative hypothesis is 
H1: Se(t) > Sc(t). Strata in the logrank test will be based on randomization strata and study ID. 
The secondary endpoint time to 24-week CDP (pooled) will be analyzed similarly, with a 
similar null hypothesis tested. 
The secondary endpoint, time to 24-week CDI (pooled), will be assessed for superiority via a 
1-sided stratified log rank test of the null hypothesis H0: Se(t) ≥ Sc(t), evaluated for the 
participants with baseline EDSS ≥ 2.0, where Se(t) denotes the survival function for time to 
24-week CDI in the experimental (evobrutinib) group, Sc(t) denotes the survival function for 
time to 24-week CDI in the control (teriflunomide) group, and the variable t denotes time 
since randomization. The alternative hypothesis is H1: Se(t) < Sc(t). Strata in the logrank test 
will be based on randomization strata and study ID. 
The secondary endpoint, CFB in PROMIS PF score over 96 weeks (pooled), will be assessed 
for superiority via a 1-sided test of the null hypothesis H0: ΔPF ≤ 0, where ΔPF denotes 
difference in average PROMIS PF score CFB least-squares means, comparing evobrutinib to 
teriflunomide, with average taken over Weeks 72, 84, and 96, based on pooled data (higher 
score corresponds to improved physical function). The alternative hypothesis is H1: ΔPF > 0. 
Covariates in the model used to model CFB will be based on randomization strata and 
study ID. The secondary endpoint CFB in PROMIS Fatigue score over 96 weeks (pooled) 
will be analyzed similarly, based on the null hypothesis H0: ΔFatigue ≥ 0 (higher score 
corresponds to more fatigue), with the exception that the average will be taken over Weeks 48, 
60, 72, 84, and 96. 
The secondary endpoint, total number of T1 Gd+ lesions based on all available MRI scans, 
from participants enrolled in the present study, will be assessed for superiority via a 1-sided 
test of the null hypothesis H0: lRR ≥ 1, where lRR denotes lesion rate ratio comparing 
evobrutinib to teriflunomide. The alternative hypothesis is H1: lRR < 1. The lRR effect 
measure will be estimated from a NB model for total number of T1 Gd+ lesions that adjusts 
for covariates based on stratification factors, with offset based on number of available scans.  
The secondary endpoint number of active T2 lesions on the last available MRI scan relative 
to the baseline scan, will be analyzed similarly, with a similar null hypothesis tested, with the 
exception that the offset will be based on the time (in years) between the last available scan 
and the baseline scan. 
The secondary endpoint, NfL concentrations at 12 weeks, will be assessed for superiority via 
a 1-sided test of the null hypothesis H0: GMe≤GMc, where GMe denotes the Geometric Mean 
estimate at 12 weeks in the experimental (evobrutinib) group, and GMc denotes the Geometric 
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Mean estimate at 12 weeks in in the control (teriflunomide) group. The alternative hypothesis 
is H1: GMe>GMc. 
9.2 
Sample Size Determination  
9.2.1 
Sample Size for Primary Endpoint: ARR  
The sample size is estimated based on the primary endpoint, ARR up to 156 weeks, under the 
assumption that participants are followed for an average of 102 weeks. The ARR at 102 weeks 
among participants receiving evobrutinib is estimated to be 0.13 (NB dispersion parameter ≈ 
2.5), as compared with 0.23 (NB dispersion parameter ≈ 2.5) among participants receiving 
the control treatment, teriflunomide. This represents a reduction in qualified relapse rate of 
43% due to evobrutinib relative to teriflunomide. A 1-sided test of superiority based on the 
qualified relapse rate ratio from a NB model for qualified relapse count, H0: rRR ≥ 1.0, 
H1: rRR < 1.0, requires an evaluable sample size of 359 participants per group, followed for 
102 weeks, to provide 90% power, assuming a 1-sided significance level of 0.025 for the 
evobrutinib versus teriflunomide comparison. To account for a drop-out rate of 20% over 
2 years (i.e., normal drop-out expected in an MS trial in the absence of the escalating crisis in 
Eastern Europe), the enrollment per group is targeted to be 449 participants, resulting in a 
targeted enrollment of 898 participants. 
The assumption for evobrutinib ARR is based on 48-week data from the Phase II study of 
evobrutinib in RMS, in which the highest dose, 75 mg twice daily administered under fasted 
conditions, resulted in an ARR of 0.11 (95% CI: 0.04, 0.25). Due to the wide CI, an estimate 
of 0.13 is assumed for evobrutinib in Phase III study powering. The assumption of 0.23 for 
teriflunomide ARR is based on recent Phase III studies (ASCLEPIOS I and II), wherein ARR 
ranged from 0.22 to 0.25 (Hauser 2020). The assumption of 2.5 for the dispersion parameter 
is derived from point and CI estimates for ARR from active treatment groups of recent 
Phase III studies and modeling of relapse data from the Phase II study of evobrutinib. If the 
distribution of relapse count is more disperse than assumed (i.e., dispersion ≈ 3.0 in both 
groups), the power provided by an enrolled sample size of 449 participants per group will be 
reduced from 90% to 87.4%. 
The PA is to be triggered when the primary endpoint (ARR) in the first Phase III study (i.e., 
MS200527_0080), the primary endpoint in the present study (i.e., MS200527_0082), and the 
important secondary endpoint (12-week CDP pooled) are adequately powered. The power 
associated with the ARR endpoint depends on the information collected, defined as the 
reciprocal of the variance of the qualified relapse ratio estimate (evobrutinib versus 
teriflunomide), as in a group sequential design. The information for the qualified relapse rate 
ratio based on a negative binomial model (as per Appendix 5 of the ASCLEPIOS I/II protocol, 
available as Supplementary Material to Hauser 2020) is given by: 
Equation 9.2.1: Information I = [1/n {1/(λ1 T) + 1/(λ2 T) + 2 γ}]-1 
where n = evaluable sample size per group, T is the common follow-up time, λ1 is ARR for 
evobrutinib, λ2 is ARR for teriflunomide, and γ is the dispersion parameter (γ > 0). The 
assumptions for this study are n = 359, T = 1.97 years (i.e., average follow-up time of 
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102 weeks), λ1 = 0.13, λ2 = 0.23, and γ = 2.5. When the study has accrued Information I=32.3, 
the test of the qualified relapse rate ratio, comparing evobrutinib to teriflunomide at the 
1-sided 0.025 alpha level, is powered at 90%. 
9.2.2 
Sample Size for Secondary Endpoint: 12-week CDP  
A total of 149 events (defined as 12-week CDP) from the pooled studies is required to provide 
71.5% power to detect hazard ratio = 0.66 at the 1-sided significance level of 0.025-0.0252 = 
0.024375 (see Section 9.4.4.3). It is expected that these events will be achieved by following 
the 1796 participants for up to 156 weeks, assuming a logrank test, 2-year CDP rate in the 
teriflunomide group of 15% (i.e., teriflunomide hazard rate of 0.0813), and 2-year drop-out 
rate of 20%. 
The treatment effect of HR = 0.66 is justified by the assumption that evobrutinib has an impact 
on time to 12-week CDP similar to that of anti-CD20 therapies, and thus the HR reported in 
Hauser 2020, comparing ofatumumab to teriflunomide, applies to the treatment effect of 
evobrutinib relative to teriflunomide. The 2-year CDP rate in the teriflunomide group is also 
based on results reported in Hauser 2020. 
When the pooled studies have accrued 149 12-week CDP events, the test of the hazard ratio, 
comparing evobrutinib to teriflunomide at the 1-sided 0.024375 alpha level, is powered at 
71.5%. 
The trial-wise and family-wise type-1 error will be preserved at the 0.025 1-sided level in the 
presence of multiple testing due to multiple endpoints (primary and secondary), as described 
in Section 9.4.4.3. 
Sample size and power calculations for the ARR and 12-week CDP endpoints were performed 
using the East v6.5 package and via simulation in R v6.3.  
9.2.3 
Sample Size Considerations due to the Currently 
Escalating Crisis in Eastern Europe  
Initial enrollment was closed on 01 October 2021 with 1041 participants enrolled in 
Study MS200527_0080 and 1053 participants enrolled in Study MS200527_0082. These 
enrollment figures exceeded the original planned enrollment of 930 participants per study.  
The currently escalating crisis in Eastern Europe poses a challenge to the successful conduct 
of the MS200527_0080 and MS200527_0082 studies due to the large representation of this 
region in the initial enrollment. In the worst-case scenario, all data from participants in the 
region affected by the crisis (Ukraine, Russian Federation, and Belarus) will be unable to be 
queried for cleaning purposes and will be considered unreliable. In that scenario, only 
645 participants from MS200527_0080 and 487 participants from MS200527_0082 will be 
included in the PA, reducing ARR power from 90% to 77.1% and 65.1%, respectively.  
The study design introduced in Protocol Version 4.0 (i.e., variable treatment duration) 
decreased the required participants per study from 930 to 898. To ensure preservation of 90% 
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power for the ARR per study, such that up to 898 participants per study have data sufficiently 
robust for the PA, enrollment will be re-opened. Up to 253 participants for MS200527_0080 
and up to 411 participants for MS200527_0082 will be recruited due to the impact on data 
quality of participants in the above mentioned regions. Participants that are in screening at the 
time when sufficient participant numbers have already been reached will still be allowed to 
be enrolled in the study. As eligibility criteria are identical between initial and reopened 
enrollment periods, the newly enrolled participants are not expected to significantly impact 
key baseline and disease characteristics of the overall study population. 
Based on simulations that take a more precise approach to modeling dropout, the ARR for 
each study will be powered at 90% for a sample size of 887-909. Thus, under the worst-case 
scenario, the number of participants recruited to Studies MS200527_0080 and 0082 in the 
second phase of enrollment is expected to be 242 to 264 and 400 to 422, respectively. 
Throughout the currently escalating crisis in Eastern Europe, the Sponsor will assess the 
reliability and usability of efficacy and safety data from the affected regions, to determine 
what fraction, if any, of the participants’ data from these countries can robustly contribute to 
the study objectives evaluation and be accepted by Health Authorities. This will determine 
the extent of additional participants to be recruited in each study (i.e., up to 253 participants 
for Study MS200527_0080 and up to 411 participants for MS200527_0082). Under the 
intermediate scenario where data from participants randomized in the crisis region are either 
included fully or censored due to unreliability, the final enrollment will be in the range of 
1,041 to 1,294 participants for Study MS200527_0080 and 1,053 to 1,464 participants for 
Study MS200527_0082, where the lower limit of the range is the actual enrollment at the time 
of Clinical Study Protocol Version 4.0, and the upper limit is the expected enrollment under 
the worst-case scenario. The intermediate scenario assumes that the second phase of 
enrollment will be halted short of worst-case, based on an evaluation of information accrual 
within data assessed to be reliable. The decision to stop additional recruitment prior to 
reaching the pre-defined cap will be based solely on this assessment, in consultation with the 
study IDMC and Steering Committees. The Sponsor will work closely with the IDMC to 
safeguard the study integrity and the ability to reliably deliver on study objectives. 
9.3 
Populations for Analyses  
The analysis sets for the primary analysis of the DBTP are specified below. The final decision 
to exclude participants from any analysis population will be made during a blinded data 
review meeting prior to database lock for the PA and unblinding. 
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Analysis Set 
Description 
Screening (SCR)  
All participants, who provided informed consent, regardless of the participant’s 
randomization and study intervention status in the study. 
Full Analysis Set (FAS) 
All participants who were randomized to study intervention. Participants will be 
analyzed per the intervention group to which they were randomized (i.e., intention-
to-treat principle). This analysis set will be used for sensitivity analyses of efficacy. 
Modified FAS (mFAS) 
All participants in FAS except those participants from Ukraine, Russian Federation, 
and Belarus lacking data robustness. This analysis set will be specified in the IAP 
prior to unblinding and will be used for the PA of efficacy.  
Safety (SAF) 
All participants, who were administered any dose of any study intervention. 
Participants will be analyzed per the actual study intervention they received. This 
analysis set will be used for sensitivity analyses of safety. 
Modified SAF (mSAF) 
All participants in SAF except those participants from Ukraine, Russian Federation, 
and Belarus lacking data robustness. This analysis set will be specified in the IAP 
prior to unblinding and will be used for the PA of safety. 
PK 
All participants who receive at least 1 dose of evobrutinib and have at least 
1 quantifiable evobrutinib plasma concentration at a scheduled PK time point 
postdose without any important deviations or events that may impact the quality of 
the data or alter the evaluation of PK. Participants who receive active control will 
not be included. 
Analysis sets for the DBE Period are specified below. 
Analysis Set 
Description 
FAS for DBE 
All participants who enter the DBE period. Participants will be analyzed per the 
intervention group to which they are randomized. 
SAF for DBE 
All participants who enter the DBE period. Participants will be analyzed per the 
actual study intervention they received. 
Analysis sets for the OLE Period are specified below: 
Analysis Set 
Description 
FAS for OLE 
All participants who were administered any dose of any study intervention during 
the OLE period. Analyses will consider participants as treated 
SAF for OLE 
Same as FAS for OLE 
The following subgroups of the mFAS will be considered for efficacy analyses at PA: 
x Sex, age, region, severity of disease, ethnic origin, prior treatment history (including but 
not limited to type, number, and duration of prior treatments as well as reason for switch), 
EDSS, membership in initial or second recruitment cohort. 
9.4 
Statistical Analyses  
This section provides a description of the statistical methods to be used to analyze efficacy, 
safety, and other endpoints for the PA. Prior to locking the database, a detailed IAP will be 
finalized. Analyses of DBE and OLE endpoints will be described in separate IAPs. 
Unless otherwise specified, for the PA, the mFAS will be used for all efficacy analyses, PRO 
analyses, and reporting of demographic and Baseline characteristics and the mSAF will be 
used for all safety data reporting. 
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For the PA, secondary objectives based on disability progression, disability improvement, and 
patient reported symptoms and functional status will be evaluated based on pooled data from 
the present study and the second Phase III study (i.e., MS200527_0080). 
The PA will be performed on all data until the PA trigger date. 
9.4.1 
Efficacy Analyses  
Endpoint 
Statistical Analysis Methods 
Primary 
ARR up to 156 weeks 
Primary analysis based on NB model of qualified relapse count over 
156 weeks, with terms for intervention group and randomization 
strata; test based on adjusted relapse rate ratio (evobrutinib versus 
comparator) from the model. Estimation of treatment effect (and 
95% 2-sided CI) based on adjusted relapse rate ratio from NB model. 
In the PA of ARR, missing data assumed to be missing at random, 
with missing data status noninformative for qualified relapse. 
Secondary efficacy and HRQoL  
Time to first occurrence of 12-week 
CDP, Time to first occurrence of 
24-week CDP  
Analyzed for participants pooled from both Phase III studies. Primary 
analysis based on stratified logrank test of distribution of time to CDP 
with strata defined by randomization strata and study ID. Estimation 
of treatment effect (and 95% 2-sided CI) based on hazard ratio from 
stratified Cox model of CDP hazard rate, with terms for intervention 
group, and strata defined by randomization strata and study ID. 
Cumulative distribution function for time to CDP will be estimated via 
Kaplan-Meier method by intervention group. In the PA of time to 
CDP, censoring assumed to be noninformative for CDP. 
Time to first occurrence of 24-week 
CDI  
Analyzed for participants pooled from both Phase III studies who 
have baseline EDSS ≥ 2.0. Primary analysis based on stratified 
logrank test of distribution of time to CDI with strata defined by 
randomization strata and study ID. Estimation of treatment effect 
(and 95% 2-sided CI) based on hazard ratio from stratified Cox 
model of CDI hazard rate, with terms for intervention group, and 
strata defined by randomization strata and study ID. Cumulative 
distribution function for time to CDI will be estimated via Kaplan-
Meier method by intervention group. In the PA of time to CDI, 
censoring assumed to be noninformative for CDI. 
CFB in PROMIS PF score over 96 
weeks, CFB in PROMIS Fatigue 
score over 96 weeks 
Analyzed for participants pooled from both Phase III studies. Primary 
analysis based on MMRM where score CFB is modeled, with terms 
for intervention group, visit, intervention group by visit interaction, 
Baseline score, randomization strata, and study ID. Test and 
treatment effect estimator (with 95% 2-sided CI) based on difference 
(evobrutinib versus comparator) in average least-squares means of 
CFB from the model. Average is taken over Weeks 72, 84, 96 for 
PROMIS PF. Average is taken over Weeks 48, 60, 72, 84, 96 for 
PROMIS Fatigue. Cumulative distribution function for average CFB 
will be estimated by intervention group. In the PA of CFB, missing 
data assumed to be MAR, with missing data status noninformative for 
CFB. 
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Endpoint 
Statistical Analysis Methods 
Total number of T1 Gd+ lesions 
based on all available MRI scans; 
Number of new or enlarging T2 
lesions on the last available MRI 
scan relative to the baseline MRI 
scan  
Primary analysis based on NB model of total lesion count, with terms 
for intervention group, Baseline lesion activity, and randomization 
strata. For T1 Gd+ lesions, offset is log number of total available 
scans. For new/enlarging T2 lesions, offset is log of the time between 
baseline scan and last available scan in years. Test and treatment 
effect estimator (with 95% 2-sided CI) based on adjusted lesion rate 
ratio (evobrutinib versus comparator) from model. In the PA of lesion 
rate, missing data assumed to be MAR, with missing data status 
noninformative for lesion count. 
Week 12 NfL concentration 
Primary analysis based on MMRM where the log(NfL concentration) 
will be modeled, with terms for intervention group, visit, intervention 
group by visit interaction, Baseline concentration and randomization 
strata. Test and treatment effect estimator (with 95% 2-sided CI) 
based on difference (evobrutinib versus comparator) in least-squares 
means of Week 12 from the model. In the PA, missing data assumed 
to be MAR, with missing data status noninformative for NfL 
concentrations. 
Tertiary/Exploratory 
ARR at 48 weeks, ARR at 96 weeks 
Analysis follows that of ARR up to 156 weeks, with only follow-up and 
events up to 48 weeks, or up to 96 weeks, considered. 
Time to first qualified relapse  
Stratified logrank test of distribution of time to event with strata 
defined by randomization strata. Estimation of treatment effect (and 
95% 2-sided CI) based on hazard ratio from stratified Cox model of 
event hazard rate. Cumulative distribution function will be estimated 
via Kaplan-Meier method by intervention group. Censoring assumed 
to be noninformative for qualified relapse. 
Time to 12-week confirmed disability 
based on composite score; Time to 
≥ 20% increase (confirmed at 12 
weeks) in T25-FW; Time to ≥ 20% 
increase (confirmed at 12 weeks) in 
9-HPT. Time to first occurrence of 
12 week confirmed PF deterioration  
Analyzed for participants pooled from both Phase III studies. Primary 
analysis based on stratified logrank test of distribution of time to 
event with strata defined by randomization strata and study ID. 
Estimation of treatment effect (and 95% 2-sided CI) based on hazard 
ratio from stratified Cox model of 12-week CDP hazard rate, with 
terms for intervention group and strata defined by randomization 
strata and study ID. Cumulative distribution function will be estimated 
via Kaplan-Meier method by intervention group. Censoring assumed 
to be noninformative for event of interest. 
NfL concentration at Weeks 24, 48, 
and 72 
Analysis follows that of NfL concentration at Week 12 
Relapse-free status at Week 96; 
NEDA-3 at Week 48 or Week 96; 
NEP at Week 48 or Week 96; 
NEPAD at Week 48 or Week 96; T1 
Gd+ lesion free status at Week 96; 
new or enlarging T2 lesion free 
status at Week 96; CUA lesion free 
status at Week 96 
Proportions within intervention groups compared using CMH χ2 test 
stratified by randomization strata. 
12-week (or 24-week) confirmed 
EDSS progression free status at 
Week 96 
Analyzed for participants pooled from both Phase III studies. 
Proportions within intervention groups compared using CMH χ2 test 
stratified by randomization strata and study ID. 
Time to PIRA, Time to PIRMA 
The statistical analysis methods for these exploratory endpoints will 
be specified in the IAP. 
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Endpoint 
Statistical Analysis Methods 
Total number of new T1 hypo-
intense lesions based on all 
available MRI scans; Total number 
of CUA lesions based on all 
available MRI scans  
NB model of total lesion count, with terms for intervention group, 
Baseline lesion activity, and randomization strata. Offset is log 
number of total available scans. Estimation of treatment effect (and 
95% 2-sided CI) based on adjusted lesion rate ratio from NB model. 
Missing data assumed to be MAR, with missing data status 
noninformative for lesion count. 
Change in volume of T1 Gd+ lesions 
from Baseline to Week 96; Change 
in volume of T2 lesions from 
Baseline to Week 96 
MMRM analysis where CFB in cube-rooted volume is modeled, with 
terms for intervention group, visit, intervention group by visit 
interaction, randomization strata, and Baseline value of cube-rooted 
volume. Estimation of treatment effect (and 95% 2-sided CI) based 
on adjusted difference in least-squares means from the model. 
Missing data assumed to be MAR, with missing data status 
noninformative for CFB. 
Change in normalized T1 intensity 
within pre-existing nonenhancing T2 
weighted lesion volume from 
Baseline to Week 96 
Hodges-Lehman estimate (and 95% 2-sided CI) of shift in distribution 
of Week 96 normalized T1 intensity CFB between intervention groups 
and Wilcoxon rank sum test, stratified according to randomization 
strata and Baseline T2 lesion volume category (based on tertiles). 
Volume of SELs based on scans at 
Weeks 24, 48, and 96 
Hodges-Lehman estimate (and 95% 2-sided CI) of shift in distribution 
of SEL Volume (detected from Baseline to Week 96) between 
intervention groups and Wilcoxon rank sum test, stratified according 
to randomization strata and Baseline T2 lesion volume category 
(based on tertiles). 
Percentage change in BV from 
Week 24 to Week 96; Percentage 
change in Thalamic volume from 
Week 24 to Week 96; Percentage 
change in cortical grey matter 
volume from Week 24 to Week 96. 
MMRM analysis where percentage change from Week 24 is 
modeled, with terms for intervention group, visit, intervention group 
by visit interaction, Week 24 value of volume, and randomization 
strata. Estimation of treatment effect (and 95% 2-sided CI) based on 
adjusted difference in least-squares means from the model. Missing 
data assumed to be MAR, with missing data status noninformative for 
percentage change from Week 24. 
Change in number of PRL at Weeks 
24, 48, and 96 
The statistical analysis methods for this exploratory endpoint will be 
specified in the IAP 
Change in CBF in NAWM at Weeks 
24, 48, and 96 
The statistical analysis methods for this exploratory endpoint will be 
specified in a separate Statistical Analysis Plan  
CFB in PROMIS PF score at 
Week 48, Week 96, and Week 144; 
CFB in PROMIS Fatigue score at 
Week 48, Week 96, and Week 144 
Analyzed for participants pooled from both Phase III studies. MMRM 
analysis of CFB at a specific timepoint uses same model as 
described for secondary PROMIS PRO endpoints, with inclusion of 
terms for additional timepoints as needed  
CFB in SDMT score at Week 48 and 
Week 96; CFB in SF-36v2 score at 
Week 48, Week 96, and Week 144; 
CFB in EQ-5D-5L score at Week 48, 
Week 96, and Week 144 
Analyzed for participants pooled from both Phase III studies. MMRM 
analysis where CFB is modeled, with terms for intervention group, 
visit, intervention group by visit interaction, Baseline value of 
endpoint, randomization strata, and study ID. Estimation of treatment 
effect (and 95% 2-sided CI) based on adjusted difference in least-
squares means from the model. Missing data assumed to be MAR, 
with missing data status noninformative for CFB. 
12-week and 24-week confirmed 
disability improvement status 
Analyzed for the subgroup of participants from the pooled Phase III 
studies with Baseline EDSS score ≥ 2.0. Participants without 
confirmed disability improvement counted as not improved, 
independent of follow-up time. CMH test stratified according to 
randomization strata and study ID. 
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Endpoint 
Statistical Analysis Methods 
Absolute values of HRU endpoints 
at study visit up to 156 weeks, 
including but not limited to 
doctor/home/ 
emergency visits, hospitalizations, 
paid assistance, and missed work 
days 
Analyzed for participants pooled from both Phase III studies. 
Descriptive statistics (mean, SD, median, minimum/maximum, 25th 
and 75th percentile; 95% CI) at the various time points. 
anti-SARS-CoV-2 antibody levels 
Descriptive statistics for anti-SARS-CoV-2 titers. 
9-HPT = 9-Hole Peg Test, ARR = Annualized Relapse Rate, BV = brain volume, CBF = cerebral blood flow, 
CDP = Confirmed disability progression, CFB = change from Baseline, CMH = Cochran-Mantel-Haenszel, 
CI = confidence interval, CUA = combined unique active, EDSS = Expanded Disability Status Scale, EQ-5D-5L 
= EuroQoL 5 Dimension 5 Levels, Gd = gadolinium, HRQoL = health-related quality of life, HRU = Health 
Resource Utilization, MAR = Missing at Random, MMRM = Mixed Effect model for repeated measures, 
NB = negative binomial, NEDA = No Evidence of Disease Activity; NEPAD = No evidence of progression or 
active disease, NfL = neurofilament light chain, PIRA = Progression independent of Relapse Activity, 
PIRMA = Progression Independent of Relapse and brain MRI activities, PROMIS = Patient Reported Outcomes 
Measurement Information System, SD = standard deviation, SDMT = Symbol Digit Modalities Test, SEL = 
slowly expanding lesions, SF-36v2 = 36-Item Short Form Survey Instrument Version 2, T25-FW = Timed 25-
Foot Walk. 
9.4.1.1 
Efficacy Analyses Related to Primary Objective  
Per ICH E9(R1), Addendum on Estimands and Sensitivity Analysis in Clinical Trials 
(November 2019), the primary estimand targeting the primary objective in this study is 
defined by the following attributes:  
x Variable (endpoint): The primary endpoint is ARR up to 156 weeks. Measurements on 
the participant-level are number of qualified relapses experienced by the participant and 
follow-up time over which those relapses occurred (potentially less than 156 weeks). 
x Treatment: The intervention of interest is evobrutinib 45 mg twice daily for up to 
156 weeks and the alternative intervention is teriflunomide 14 mg once daily for up to 
156 weeks. 
x Population: The population of participants targeted by the clinical question is defined by 
the inclusion/exclusion criteria. 
x Strategies for handling intercurrent events: In the absence of the currently escalating 
crisis in Eastern Europe, the main intercurrent event envisaged is discontinuation of 
assigned treatment. The strategy for dealing with this is Treatment Policy, which requires 
that the qualified relapse count up to 156 weeks post randomization be used, if available, 
regardless of treatment discontinuation. The Compositive Variable strategy is used to 
handle the intercurrent event of death attributable to MS or treatment. The While Alive 
strategy is used to handle the intercurrent event of death unattributable to MS or treatment. 
The intercurrent event of the crisis in Eastern Europe ("Ukraine crisis”) will be handled 
via the Hypothetical strategy; strategy details will be specified in the IAP prior to 
unblinding and after a careful evaluation of data robustness for participants from sites in 
the region affected by the crisis (Ukraine, Russian Federation, and Belarus). 
x Population-level summary: The population-level summary comparing the intervention 
groups is relapse rate ratio, based on an NB model for qualified relapse count, with terms 
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for intervention group and randomization strata, with offset equal to log follow-up time (in 
years) over which the qualified relapses experienced by a participant are observed. 
In accordance with Treatment Policy strategy, for participants discontinuing treatment, any 
qualified relapses occurring through Safety Follow-up will be included in the analysis up to 
156 weeks post randomization. For participants who have not been followed to 156 weeks 
post randomization, the missing data will be assumed to be MAR; treatment discontinuers 
will be assumed to experience relapse through 156 weeks post randomization at the same rate 
as treatment completers within the same intervention group and stratum. This is the 
assumption underlying the rate ratio estimator implemented by the NB model that uses 
observed relapse events and observed follow-up time for each participant, regardless of 
treatment completer/discontinuer status.  
In accordance with the Composite Variable strategy, for participants experiencing death 
attributable to MS or treatment, the death will be counted as a qualified relapse. In accordance 
with the While Alive strategy, for participants experiencing death unattributable to MS or 
treatment, the death will not be counted as a qualified relapse.  
In accordance with the Hypothetical strategy, for participants from sites in Ukraine, Russian 
Federation, and Belarus, the “Ukraine crisis” intercurrent event will lead to exclusion from 
the mFAS (i.e., hypothetical scenario in which participant was not recruited), or inclusion in 
the mFAS with censoring at the start of the crisis (i.e., hypothetical scenario in which crisis 
would not occur), or inclusion in the mFAS without censoring at the start of crisis, depending 
on the assessment of data robustness. Details of the Hypothetical strategy for handling the 
intercurrent event of the “Ukraine crisis” will be specified in the IAP prior to unblinding.  
The adjusted relapse rate ratio comparing evobrutinib to teriflunomide will be estimated from 
the NB model. The adjusted rate ratio, 95% 2-sided CI, and 1-sided p-value will be reported, 
together with adjusted ARR (and 95% CI) for each intervention group from the model, and 
unadjusted ARR (and 95% CI) for each intervention group estimated nonparametrically. The 
analysis of ARR will be based on data from this study alone.  
Unadjusted ARR up to 156 weeks is calculated by dividing the total number of qualified 
relapse events experienced by all participants in a given group through Week 156 by the 
person-time (in years) observed for those participants through Week 156. 
The covariates defined by randomization strata are region (4 levels: North America, Western 
Europe, Eastern Europe, Rest of World) and Baseline (Day 1) EDSS (2 levels: < 4.0, ≥ 4.0). 
The NB model assumes a common dispersion parameter for all participants, independent of 
intervention group or Baseline covariates. The adjusted relapse rate ratio estimate is given by 
exponentiation of the estimate for the treatment coefficient from the NB model. In the PA, 
only observed events and observation time will be included in the analysis; there will be no 
imputation of events for participants discontinuing study early. 
Sensitivity analyses of the primary estimand for the primary endpoint are specified in 
Section 9.4.1.3. 
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The IAP will further specify rates, timings, and potential roles of intercurrent events, strategies 
for handling them, and potential consequences on the analyses and results. 
9.4.1.2 
Efficacy Analyses Related to Secondary Objectives  
The hypotheses tested in support of secondary efficacy objectives are described, and the 
inheritance of alpha graphically depicted, in Section 9.4.4.3. 
The primary estimands targeting the secondary objectives in this study share some of the 
attributes of the primary estimand in Section 9.4.1.1, such as the treatment comparison 
attribute, the population attribute, and the strategy for dealing with the intercurrent events of 
treatment discontinuation and “Ukraine crisis.” Distinctive attributes of each estimand are 
described below for each secondary endpoint. 
Time to 12-week CDP, Time to 24-week CDP 
For the secondary efficacy endpoint, time to 12-week CDP (CDP based on EDSS), the 
Treatment Policy strategy requires that all EDSS data, up to 156 weeks post randomization, 
will be used if available, regardless of treatment discontinuation. In accordance with 
Treatment Policy strategy, for participants discontinuing treatment, all EDSS data through 
Safety Follow-up will be included in the analysis up to 156 weeks post randomization. The 
population-level summary comparing the intervention groups is 12-week CDP hazard ratio, 
based on a stratified Cox model for 12-week CDP hazard rate, with terms for intervention 
group, strata defined by randomization strata and study ID, and where the data are pooled 
from the mFAS of the present study and the mFAS of the second Phase III study.  
Participants who did not experience 12-week CDP by 156 weeks post randomization, by time 
of PA trigger, by time of early study discontinuation, or before being lost to follow-up, will 
be censored at the date of the last EDSS assessment during the 156 weeks post randomization. 
Censoring will be assumed to be noninformative for 12-week CDP, conditional on 
intervention group, randomization stratum, and study ID. This is the assumption underlying 
the hazard ratio estimator implemented by the stratified Cox model that uses observed follow-
up time for each participant, regardless of treatment completer/discontinuer status, where 
participants are censored for 12-week CDP at the latest EDSS assessment.  
In accordance with the Composite Variable strategy, for participants experiencing death 
attributable to MS or treatment, the death will be counted as 12-week CDP. In accordance 
with the While Alive strategy, for participants experiencing death unattributable to MS or 
treatment, the death will not be counted as 12-week CDP. Details of the Hypothetical strategy 
for handling the intercurrent event of the “Ukraine crisis” will be specified in the IAP prior to 
unblinding. 
Per Protocol Version 3, prior to the completion of enrollment, an optional IA for BSSR was 
performed based on the secondary efficacy endpoint, time to 12-week CDP, with data pooled 
across the present study and the second Phase III study (see Section 9.4.4.1). Performed in 
August 2021, the outcome of this IA for BSSR was a decision to not increase sample size. 
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The PA of time to 12-week CDP will report the hazard ratio comparing evobrutinib to 
teriflunomide estimated via a stratified Cox model, 95% 2-sided CI, and 1-sided p-value for 
the stratified logrank test, together with a Kaplan-Meier estimate of cumulative probability of 
experiencing 12-week CDP over time for each intervention group. Prior to pooling, the 
validity of pooling data across the present study and the second Phase III study will be 
assessed by reviewing consistency of demographics, Baseline characteristics, ARR and 
12-week CDP results. 
The secondary endpoint, time to 24-week CDP, will be analyzed in the same manner as that 
of the 12-week CDP endpoint. The primary estimand attributes for the time to 24-week CDP 
endpoint are the same as the primary estimand attributes for the time to 12-week CDP 
endpoint. 
Time to 24-week CDI 
For the secondary efficacy endpoint, time to 24-week CDI (CDI based on EDSS), the 
Treatment Policy strategy requires that all EDSS data, up to 156 weeks post randomization, 
will be used if available, regardless of treatment discontinuation. In accordance with 
Treatment Policy strategy, for participants discontinuing treatment, all EDSS data through 
Safety Follow-up will be included in the analysis up to 156 weeks post randomization. The 
population-level summary comparing the intervention groups is 24-week CDI hazard ratio, 
based on a stratified Cox model for 24-week CDI hazard rate, with terms for intervention 
group, strata defined by randomization strata and study ID, and where the data are pooled 
from participants in the mFAS of the present study and the mFAS of the second Phase III 
study who have baseline EDSS ≥ 2.0.  
Participants who did not experience 24-week CDI by 156 weeks post randomization, by time 
of PA trigger, by time of early study discontinuation, or before being lost to follow-up, will 
be censored at the date of the last EDSS assessment during the 156 weeks post randomization. 
Censoring will be assumed to be noninformative for 24-week CDI, conditional on intervention 
group, randomization stratum, and study ID. This is the assumption underlying the hazard 
ratio estimator implemented by the stratified Cox model that uses observed follow-up time 
for each participant, regardless of treatment completer/discontinuer status, where participants 
are censored for 24-week CDI at the latest EDSS assessment.  
In accordance with the While Alive strategy, for participants experiencing death (any cause), 
participants will be censored at time of death. Details of the Hypothetical strategy for handling 
the intercurrent event of the “Ukraine crisis” will be specified in the IAP prior to unblinding. 
The PA of time to 24-week CDI will report the hazard ratio comparing evobrutinib to 
teriflunomide estimated via a stratified Cox model, 95% 2-sided CI, and 1-sided p-value for 
the stratified logrank test, together with a Kaplan-Meier estimate of cumulative probability of 
experiencing 24-week CDI over time for each intervention group.  
CFB in PROMIS PF score over 96 weeks, CFB in PROMIS Fatigue score over 96 weeks 
For the secondary efficacy endpoint, CFB in PROMIS PF score over 96 weeks, the Treatment 
Policy strategy requires that the CFB in PROMIS PF score over 96 weeks post randomization 
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be used if available, regardless of treatment discontinuation. The population-level summary 
comparing the intervention groups is difference in average least-squares means, based on a 
MMRM for CFB, with average taken over Weeks 72, 84, and 96, where the model includes 
terms for intervention group, visit, intervention group by visit interaction, Baseline score, 
randomization strata, and study ID, and where the data are pooled from the mFAS of the 
present study and the mFAS of the second Phase III study.  
For participants with missing PROMIS PF data, the missing data will be assumed to be MAR; 
such participants will be assumed to have the same mean PROMIS PF score CFB trajectory 
through 96 weeks as participants with available data within the same intervention group and 
stratum, and having the same Baseline score and study ID. This is the assumption underlying 
the estimator of difference of average least-squares means implemented by the MMRM that 
uses observed score CFB data from each participant, regardless of treatment 
completer/discontinuer status.  
In accordance with the While Alive strategy, for participants experiencing death, all PROMIS 
PF data up to the time of death will be used in the analysis. Details of the Hypothetical strategy 
for handling the intercurrent event of the “Ukraine crisis” will be specified in the IAP prior to 
unblinding. 
The difference (comparing evobrutinib and teriflunomide) in average least-squares mean 
CFB, 95% 2-sided CI, and 1-sided p-value will be reported. For each intervention group, the 
average adjusted least-squares mean score CFB and associated 95% 2-sided CI will be 
reported, as will the estimated cumulative distribution function for average score CFB.  
The secondary endpoint, CFB in PROMIS Fatigue score over 96 weeks, will be analyzed in 
the same manner as CFB in PROMIS PF score over 96 weeks, except that the average will be 
taken over Weeks 48, 60, 72, 84, and 96. The primary estimand attributes for these 2 endpoints 
are the same. 
Total number of T1 Gd+ lesions based on all available MRI scans, Number of new or 
enlarging T2 lesions on the last available MRI scan relative to the baseline MRI scan  
For the secondary efficacy endpoint, total number of T1 Gd+ lesions based on all available 
MRI scans, the Treatment Policy strategy requires that the lesion count over all available scans 
post randomization be used, if available, regardless of treatment discontinuation. Offset will 
be log total number of available scans. The population-level summary comparing the 
intervention groups is total lesion rate ratio, based on a NB model for total lesion count, with 
terms for intervention group, randomization strata, and Baseline lesion activity, with offset 
equal to log number of total available scans over which the lesions experienced by a 
participant are observed. 
For participants missing one or more scans, the missing data will be assumed to be MAR; 
such participants will be assumed to experience lesions through planned end of treatment (i.e., 
PA trigger or 156 weeks, whichever occurs first) at the same rate as participants with available 
data within the same intervention group and stratum, and having the same Baseline lesion 
activity. This is the assumption underlying the rate ratio estimator implemented by the NB 
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model that uses observed lesion count and number of scans giving rise to that count for each 
participant, regardless of treatment completer/discontinuer status. 
In accordance with the While Alive strategy, for participants experiencing death, all T1 Gd+ 
lesion data up to the time of death will be used in the analysis. Details of the Hypothetical 
strategy for handling the intercurrent event of the “Ukraine crisis” will be specified in the IAP 
prior to unblinding. 
The adjusted lesion rate ratio comparing evobrutinib to teriflunomide estimated from the NB 
model, 95% 2-sided CI, and 1-sided p-value will be reported, together with adjusted lesion 
rate for each intervention group and associated 95% 2-sided CI. The analysis of total number 
of T1 Gd+ lesions will be based on data from the present study only.  
The secondary endpoint, number of new or enlarging T2 lesions on the last available MRI 
scan relative to the baseline MRI scan, will be analyzed in the same manner as total number 
of T1 Gd+ lesions based on all available MRI scans, except that the offset will be log of time 
between the baseline scan and last available scan (in years). The primary estimand attributes 
for these two endpoints are the same. 
Sensitivity analyses of the primary estimands of the secondary endpoints are specified in 
Section 9.4.1.3. 
Week 12 NfL Concentration 
For the secondary efficacy endpoint, Week 12 NfL concentration, the Treatment Policy 
strategy requires that all values of NfL concentrations be used if available, regardless of 
treatment discontinuation. The population-level summary comparing the intervention groups 
is difference in least-squares means, based on a MMRM for log(NfL concentration), where 
the model includes terms for intervention group, visit, intervention group by visit interaction, 
Baseline concentration and randomization strata.  
For participants with missing NfL concentration data, the missing data will be assumed to be 
MAR; such participants will be assumed to have the same mean NfL concentration trajectory 
through planned end of treatment (i.e., PA trigger or 156 weeks, whichever occurs first) as 
participants with available data within the same intervention group and stratum, and having 
the same Baseline concentration. This is the assumption underlying the estimator of difference 
of least-squares means through Week 12 implemented by the MMRM that uses observed NfL 
concentration data from each participant, regardless of treatment completer/discontinuer 
status.  
In accordance with the While Alive strategy, for participants experiencing death, all NfL 
concentration data up to the time of death will be used in the analysis. Details of the 
Hypothetical strategy for handling the intercurrent event of the “Ukraine crisis” will be 
specified in the IAP prior to unblinding. 
The difference (comparing evobrutinib and teriflunomide) in least-squares mean, 95% 2-sided 
CI, and 1-sided p-value will be reported. For each intervention group, the adjusted least-
squares mean at Week 12 and associated 95% 2-sided CI will be reported. 
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9.4.1.3 
Sensitivity Analyses  
The following sensitivity analyses for the primary endpoint ARR up to 156 weeks will be 
detailed in the IAP: 
1. Analysis to evaluate the potential influence of informative treatment discontinuation 
according to discontinuation reason. If a participant’s discontinuation is unrelated to 
treatment (i.e., unrelated to efficacy or safety issues), the participant’s relapse count will 
be multiply imputed using ARR in the comparator group, for the interval between 
discontinuation and planned end of treatment (i.e., PA trigger or 156 weeks post 
randomization, whichever occurs first). If a participant’s discontinuation is related to 
treatment, relapse count will be multiply imputed at a rate higher than ARR in comparator 
group, for the interval between discontinuation and planned end of treatment. 
2. Analysis in which participants who discontinued treatment early during the 
Treatment Period without qualified relapse in the 30 days prior to discontinuation, are 
assumed to have a qualified relapse event at the date of discontinuation. 
3. Analysis in which additional covariates are included in the NB model, such as number of 
relapses occurring within 2 years prior to study entry, Baseline presence/absence of T1 
Gd+ lesions, prior MS treatment, and age, to evaluate the potential impact of model 
misspecification. 
4. Analysis to evaluate the impact of the currently escalating crisis in Eastern Europe. All 
participants in the FAS will be included, with consideration given to including a time-
dependent covariate indicating whether the participant is under the stress of the crisis, 
which may be associated with increased frequency of relapses.  
For the primary estimand of the secondary endpoint, time to 12-week CDP, it is important to 
assess the sensitivity of results to the assumption that censoring is noninformative for 12-week 
CDP, conditional on intervention group, study ID, and stratum. The following sensitivity 
analyses for the secondary efficacy endpoint time to 12-week CDP will be detailed in the IAP: 
1. Analysis to evaluate the potential influence of informative treatment discontinuation, 
according to discontinuation reason or occurrence of initial progression event at last 
assessment. If a participant’s discontinuation is unrelated to treatment (i.e., unrelated to 
efficacy or safety issues) and no initial progression event occurred, the participant’s time 
to CDP will be multiply imputed using hazard rate in comparator group, for the interval 
between discontinuation and planned end of treatment (i.e., PA trigger or 156 weeks post 
randomization, whichever occurs first). If a participant’s discontinuation is related to 
treatment or an initial unconfirmed progression event occurred, the participant’s time to 
CDP will be multiply imputed using hazard rate higher than that in comparator group, for 
the interval between discontinuation and planned end of treatment. 
2. Analysis in which participants who discontinued treatment early during the 
Treatment Period after having an initial progression event, but prior to 12-week 
confirmation, are assumed to have a 12-week CDP event at the date of initial progression. 
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3. Analysis with additional covariates in the stratified Cox model, such as number of relapses 
occurring within 2 years prior to study entry, Baseline presence/absence of T1 Gd+ 
lesions, prior MS treatment, and age. 
4. Analysis to evaluate the impact of the currently escalating crisis in Eastern Europe. All 
participants in the FAS will be included, with consideration given to including a time-
dependent covariate in the model. 
Sensitivity analyses for time to 24-week CDP will be similar. 
Sensitivity analyses for the secondary endpoint time to 24-week CDI will be specified in the 
IAP. 
For the primary estimand of the secondary endpoint, PROMIS PF CFB, it is important to 
assess the sensitivity of results to the MAR assumption that participants with missing data 
have the same mean CFB trajectory through 96 weeks or PA trigger, whichever occurs first, 
as participants with complete data, conditional on intervention group, Baseline score, study 
ID, and stratum. The following sensitivity analysis for the secondary endpoint PROMIS PF 
score CFB over 96 weeks will be detailed in the IAP: 
1. Analysis to evaluate the potential influence of informative treatment discontinuation 
according to discontinuation reason. If a participant’s discontinuation is unrelated to 
treatment (i.e., unrelated to efficacy or safety issues), the participant’s score CFB at each 
timepoint will be multiply imputed using CFB distribution at that timepoint in comparator 
group, for the interval between discontinuation and 96 weeks post randomization, or PA 
trigger, whichever occurs first. If a participant’s discontinuation is related to treatment, 
the participant’s score CFB at each timepoint will be multiply imputed using a worse CFB 
distribution at that timepoint than that in comparator group, for the interval between 
discontinuation and 96 weeks post randomization or PA trigger, whichever occurs first. 
2. Analysis to evaluate the impact of the currently escalating crisis in Eastern Europe. All 
participants in the FAS will be included, with consideration given to including a time-
dependent covariate in the model. 
Sensitivity analyses for PROMIS Fatigue score CFB over 96 weeks will be similar. 
For the primary estimand of the secondary endpoint, total number of T1 Gd+ lesions based 
on all available MRI scans, it is important to assess the sensitivity of results to the MAR 
assumption that participants with missing data experience lesions until planned end of 
treatment at the same rate as participants with complete data, conditional on intervention 
group, Baseline lesion activity, and stratum. The following sensitivity analysis for the 
secondary efficacy endpoint total T1 Gd+ lesions will be detailed in the IAP: 
1. Analysis to evaluate the potential influence of informative treatment discontinuation 
according to discontinuation reason. If a participant’s discontinuation is unrelated to 
treatment (i.e., unrelated to efficacy or safety issues), the participant’s lesion count will 
be multiply imputed using rate in comparator group, for the interval between 
discontinuation and planned end of treatment (i.e., PA trigger or 156 weeks post 
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randomization, whichever occurs first). If a participant’s discontinuation is related to 
treatment, lesion count will be multiply imputed at a rate higher than that in comparator 
group, for the interval between discontinuation and planned end of treatment. 
2. Analysis to evaluate the impact of the currently escalating crisis in Eastern Europe. All 
participants in FAS will be included, with consideration given to including a time-
dependent covariate in the model. 
The following supplemental analyses for the secondary efficacy endpoint total number of 
T1 Gd+ lesions based on all available MRI scans will be detailed in the IAP: 
1. Analysis wherein lesion count at a single scan is modeled as Poisson-distributed, with 
a random effect for participant, and terms for intervention group, randomization strata, 
and Baseline lesion activity. This model will compare treatment on the basis of 
conditional adjusted lesion rate ratio, where conditioning is on the random effect. 
Sensitivity and supplemental analyses for number of new/enlarging T2 lesions on the last 
available MRI scan relative to the baseline MRI scan, except that the offset in the model 
will be log time from baseline scan to last available scan (in years) in place of log number 
of scans. 
Sensitivity analyses for the secondary endpoint, NfL concentration at 12 weeks, will be 
specified in the IAP. 
Further details on sensitivity analyses of ARR, 12-week CDP, and other secondary 
efficacy endpoints, which incorporate available data from participants enrolled at sites in 
the currently escalating crisis regions in Eastern Europe, will be described in the IAP. 
9.4.2 
Safety Analyses  
All safety analyses will be performed on the mSAF. 
Endpoint 
Statistical Analysis Methods 
Primary 
Not applicable. 
Secondary 
 
Adverse Events 
Descriptive statistics, AESI summaries, 3-Tier AE summaries 
Clinical Laboratory Test 
Values 
Descriptive statistics, shift tables, boxplots, individual participant line 
plots, Kaplan-Meier analyses of time to event, Evaluation of Drug-
Induced Serious Hepatotoxicity (eDISH) figures 
ECG Parameters 
Descriptive statistics 
Vital Signs 
Descriptive statistics 
Immunoglobulin Levels 
Descriptive statistics 
Tertiary/Exploratory 
Not applicable 
9.4.2.1 
Adverse Events  
Adverse events will be coded using the MedDRA. All TEAEs will be summarized by 
intervention group. TEAEs are defined as AEs that occurred or worsened on or after the first 
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dose of study intervention. The number and percentage of participants who experienced 
at least 1 TEAE will be summarized by SOC and preferred term. The percentage will be based 
on the number of participants in each intervention group. TEAEs will also be summarized by 
relationship to intervention and by severity within each intervention group. Deaths, SAEs, 
AESIs, and AEs leading to study discontinuation will be tabulated and presented in data 
listings. Participant level data listings of all AEs will be presented. 
Summary and analysis of AEs will be performed based on the 3-tier approach (Crowe 2009) 
as further detailed in the IAP. Tier 1 AEs and AESIs will be predefined in the IAP. 
9.4.2.2 
Clinical Laboratory Test Values  
Clinical laboratory results (chemistry, hematology, and urinalysis) will be summarized using 
descriptive statistics for each visit by intervention group. Observed values at each visit and 
changes from Baseline to each postbaseline visit will be presented. For clinical laboratory 
parameters with associated normal ranges, number and percentage of participants having 
high/low/normal findings for worst on-treatment laboratory value will be summarized by 
intervention group; shift tables will be used to summarize changes from Baseline finding to 
worst on-treatment finding. For clinical laboratory parameters with NCI-CTCAE grades, shift 
tables will be used to summarize changes from Baseline grade to worst on-treatment grade. 
The distribution of selected laboratory parameters by time point and intervention group will 
be displayed via boxplots. All laboratory data will be provided in participant data listings. 
Analyses of liver enzyme tests will include Kaplan-Meier estimates of time to ALT or AST 
events, plots supporting evaluation of Drug-Induced Serious Hepatotoxicity (eDISH), and 
individual participant profiles. 
9.4.2.3 
Vital Signs  
Observed values at each visit and changes from Baseline to each postbaseline visit in vital 
signs (blood pressure, pulse rate, respiratory rate, and temperature) will be summarized by 
time point and intervention group using descriptive statistics. Similar summaries of 
descriptive statistics will be provided for the vital signs collected before and after the first 
dose of study intervention. Out-of-range values of vital signs will be tabulated as appropriate. 
All vital signs will be provided in participant data listings. 
9.4.2.4 
Electrocardiogram Parameters  
Observed values at each visit and CFB to Week 96 in ECG parameters (e.g., PR, HR, QRS, 
RR, QT, and QTcF) will be summarized by intervention group using descriptive statistics. 
QTc will be reported based on Fridericia’s method. Percentage and counts of participants with 
ECG findings will be summarized by intervention group. Out-of-range values of ECG 
parameters will be tabulated as appropriate. All ECG data will be provided in participant data 
listings. 
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For all ECG parameters, the results for categorical analysis will be summarized by 
intervention group and visit (or time point) in frequency tables with counts and percentages 
of participants. 
Categories will cover absolute values and changes from Baseline (predose Day 1): 
HR: 
x Absolute < 50 bpm, < 40 bpm, < 30 bpm 
x Change from Baseline > 20 bpm, > 30 bpm, > 40 bpm 
PR: 
x Absolute > 200 msec and > 220 msec 
x Change from Baseline > 30 msec 
QRS: 
x Absolute > 110 msec 
QTcF: 
x Absolute > 450 msec, > 480 msec, and > 500 msec 
x Change from Baseline > 30 msec and > 60 msec 
Electrocardiogram parameters will be summarized using descriptive statistics for continuous 
variables such as QTcF intervals, and frequency counts and percentages for categorical 
variables. 
9.4.2.5 
Immunoglobulin Levels  
Data on Ig levels (observed values, change, and percent CFB, with Baseline defined as the 
Day 1 sample) will be descriptively summarized in tabular and/or graphic format, as 
appropriate. 
Correlative analyses may be explored and reported separately. 
9.4.2.6 
Concomitant Medication and Procedures  
Prior and concomitant medications will each be categorized by therapeutic class and preferred 
term using WHO Drug coding dictionary. The number and percent of participants using each 
prior and concomitant medication will be summarized by therapeutic class and preferred drug 
name for each intervention group. Participants who reported more than 1 medication for a 
particular preferred term will be counted once for each preferred term and therapeutic class. 
Concomitant procedures will be categorized by SOC and preferred term using MedDRA. The 
number of and percent of participants experiencing each prior and concomitant procedure will 
be summarized by type of procedure for each intervention group. 
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9.4.2.7 
Columbia-Suicide Severity Rating Scale  
Results of the C-SSRS will be listed for each visit by participant. 
9.4.2.8 
Sensitivity Analyses  
Sensitivity analyses of important safety endpoints, which incorporate available data from 
participants enrolled at sites in the currently escalating crisis regions in Eastern Europe, will 
be described in the IAP. 
9.4.3 
Other Analyses  
9.4.3.1 
Pharmacokinetic Parameters and Biomarkers  
PK and biomarker exploratory analyses will be specified in the IAP finalized before database 
lock. Integrated analyses across studies, such as the population PK analysis will be presented 
separately from the main CSR. 
In general, biomarkers assessed at planned visits and premature early discontinuation from 
treatment will be summarized in a manner similar to safety laboratory parameters.  
The PK data of the current study will be used for the development of population PK models 
(possibly in combination with the corresponding data of earlier studies, e.g., 
MS200527_0019, MS200527_0017, MS200527_0086, and/or others), to describe the 
concentration-time profiles for the participants in the study. Population PK model-based 
exposure metrics such as Cmax and AUC (from 0 to 24 hour) at steady state will be derived.  
The derived PK profiles and exposure metrics will be used to develop exposure-response 
models (longitudinal or cross-sectional) for MRI, efficacy, and safety endpoints. In particular, 
a cross-sectional model of ARR as a function of steady state AUC, a longitudinal repeated 
time to event (qualified relapse) model, a longitudinal model for EDSS, cross-sectional or 
longitudinal exposure-response models for MRI lesions (T1 Gd+ lesion and new or enlarging 
T2 lesion count), and a longitudinal (if possible) exposure-response model for ALT 
elevations, will be developed. 
Other endpoints of interest depending on the signals that will be detected based on the 
exploratory/inferential statistical analysis of the study data may also be included in the 
exposure-response analyses. 
Full details of the planned population PK modeling and other exposure-related modeling will 
be described in the study IAP. The results of the corresponding analyses will be reported 
separately from the study CSR. 
9.4.3.2 
Demographics, Baseline Characteristics, Disposition, and 
Compliance  
Participant demographics, such as age, sex, race, will be summarized by intervention group 
using descriptive statistics. Baseline disease characteristics (including MS history and MRI 
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characteristics), such as Baseline EDSS, number of relapses in the 1 year and 2 years prior to 
randomization, time (in years) since onset of MS symptoms, time (in years) since MS 
diagnosis, Baseline number of T1 Gd+ lesions, Baseline number of T2 lesions, and Baseline 
T2 lesion volume, prior MS study treatment will also be summarized. 
Disposition of participants (i.e., discontinuation from treatment by reason, discontinuation 
from study by reason) and compliance of participants to intervention will be summarized by 
intervention group using descriptive statistics. 
9.4.3.3 
Patient Reported Outcome Analyses  
 The analysis of PROMIS PRO secondary endpoints is described in Section 9.4.1.2. A similar 
analysis will be performed for exploratory PRO score CFB endpoints. The exploratory 
endpoint, time to deterioration in PROMIS PF score confirmed at 12 weeks will be analyzed 
in a manner similar to that of time to 24-week CDP. 
9.4.3.4 
Health Resource Utilization  
For the exploratory endpoint HRU observed values at each visit and CFB to each postbaseline 
visit in HRU (doctor/home/emergency visits, hospitalizations, paid assistance, and missed 
work) will be summarized by time point and intervention group using descriptive statistics 
(mean, standard deviation, median, minimum/maximum, 25th and 75th percentile; 95% CI). 
9.4.3.5 
Analysis of Double-Blind Extension Period Endpoints  
Efficacy and HRQoL data collected during the DBE period will be analyzed as additional data 
to DBTP (i.e., baseline will be baseline of DBTP). Details will be provided in the IAP.  
Safety data collected during the DBE Period will be analyzed as described in Section 9.4.2. 
9.4.3.6 
Analysis of Open Label Extension Period Endpoints  
Efficacy and HRQoL data collected during the OLE Period will be summarized. Details will 
be provided in the IAP.  
Safety data collected during the OLE Period will be analyzed as described in Section 9.4.2. 
9.4.4 
Sequence of Analyses  
4 analyses are planned for the study: (1) an optional IA for BSSR based on the secondary 
endpoint 12-week CDP, with data pooled across the present study and the second Phase III 
study, performed by the Sponsor, triggered when enrollment is nearing completion, (2) a PA, 
performed by the Sponsor after the PA database lock, with timing and endpoint evaluation as 
described in Section 9.4.4.2, (3) an analysis of all data from blinded periods at the end of 
DBE, performed by the Sponsor after the corresponding DBE database lock, (4) a final 
analysis, performed by the Sponsor after the final database lock, triggered when 100% of 
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participants enrolled in the OLE Period complete the OLE, or discontinue prematurely from 
the OLE.  
The PA of the first Phase III study (i.e., MS200527_0080) and the present study (i.e., 
MS200527_0082) will be triggered as described in Section 9.4.4.2. 
In addition, analyses will be performed at regular intervals for the purpose of safety 
monitoring by the IDMC, as described in the IDMC charter. 
9.4.4.1 
Optional Interim Analysis for Blinded Sample Size Re-
estimation  
Per Protocol Version 3, when enrollment was nearing completion, an optional IA for BSSR 
based on the secondary endpoint 12-week CDP may be performed by the Sponsor, using data 
pooled across studies. Only data relevant to 12-week CDP needed to be cleaned for the IA.  
Parametric distributions for time to 12-week CDP and time to censoring were fitted using 
blinded data pooled across studies. The resulting parameter estimates were used to estimate 
expected number of events given the originally planned sample size. If the expected number 
of events was less than the number required to power the 12-week CDP endpoint at 80%, 
consideration was to be given to increasing the sample size up to 25% so that the required 
number of events was achieved (Friede 2019). Performed in August 2021, the outcome of this 
IA for BSSR was a decision to not increase sample size. In the setting of superiority trials, an 
IA for BSSR has a minimal or non-existent effect on type-1 error inflation (Friede 2019). 
9.4.4.2 
Primary Analysis  
Based on an analysis of accumulating blinded data, the PA will be triggered for both studies 
simultaneously when all of the following conditions are met. 
x This study and the second Phase III study have individually collected ≥ 32.3 units of 
information for the primary ARR endpoint, where “Information” is defined below. At 
this timepoint both studies will provide ≥ 90% power for the detection of a 43.5% 
relative treatment effect on ARR in the primary statistical test at a 1-sided alpha level 
of 0.025.  
x In data pooled from the 2 studies, ≥ 149 12-week CDP events have been observed. At 
this timepoint, the combined studies have collected sufficient information to provide 
≥ 71.5% power for the detection of 34% (hazard ratio = 0.66) relative reduction in risk 
of 12-week CDP in a logrank test at a 1-sided alpha-level of 0.025-0.0252 = 0.024375. 
x All participants have been treated for 24 weeks or discontinued prematurely. 
The default is that the PA will be triggered when all participants have been treated for 156 
weeks or discontinued prematurely, if this occurs before the information for ARR and 12-
week CDP event criteria are met. 
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After protocol deviations are determined, and the database is locked for the PA, the drug codes 
will be broken and made available for the primary data analysis. All endpoints based on data 
from the DBTP until PA trigger date will be evaluated. This implies that the data related to 
End-of-DBTP visits occurring after the PA trigger date or any other data post PA trigger date 
will not be part of the PA. 
Blinded review of Information for ARR 
Based on blinded data, the information associated with the ARR endpoint will be monitored 
to determine when the PA can be triggered.  
Fitting an NB model to the aggregate data (i.e., the qualified relapse data of all participants in 
a given study combined) provides an estimate of the overall ARR λ and the dispersion 
parameter γ. For an assumed rate ratio of 0.565 = 0.13/0.23, comparing evobrutinib to 
teriflunomide, an ARR estimate can be obtained for each group, denoted by λ1 for evobrutinib 
and λ2 for teriflunomide.  
Since the treatment allocation of the participants is unknown, but randomization was done in 
a 1:1 ratio, it is assumed that the follow-up times in the 2 groups (j = 1,2, denoting evobrutinib 
and teriflunomide, respectively) are the same, i.e., T·1 = T·2 = Ttotal/2, where Ttotal is the total 
of the follow-up times at the review time. It is further assumed that the sum of the squared 
follow-up times is the same in both groups, i.e., that Σi Ti12 = Σi Ti22 = Σj Σi Tij2/2 = τtotal/2. The 
information for ARR (as per Appendix 5 of the ASCLEPIOS I/II protocol, available as 
Supplementary Material to Hauser 2020) based on blinded data is given by: 
Equation 9.4.4: Information I = [2/(λ1 Ttotal) + 2/(λ2 Ttotal) + 4 γ τtotal/Ttotal2]-1 
where λ1, λ2, and γ are the re-estimated values based on fitting a NB model to the aggregate 
data, and Ttotal and τtotal are as defined above. 
Information for ARR will be monitored in a blinded fashion throughout the study. The first 
criterion of the PA trigger is met when ≥ 32.3 units of information (Section 9.2.1) have been 
collected in the first evobrutinib Phase III study (i.e., MS200527_0080) and in the present 
study (i.e., MS200527_0082, indicating that that the ARR endpoint is powered at ≥ 90% for 
the detection of a 43.5% reduction in ARR at the 1-sided alpha level of 0.025. 
Blinded monitoring of 12-week CDP events  
Pooled CDP events will be monitored in a blinded fashion throughout the studies. The second 
criterion of the PA trigger is met when ≥ 149 pooled 12-week CDP events have been observed, 
indicating that the 12-week CDP endpoint is powered at ≥ 71.1% for the detection of a 34% 
reduction in HR at the 1-sided alpha level of 0.024375. 
9.4.4.3 
Multiplicity  
To control trial-wise and family-wise type I error at the 1-sided 0.025 level in the presence of 
multiple endpoint testing, a graphical approach to sequentially rejective multiple testing will 
be employed (Bretz 2009, Hung 2013, Bretz 2019). The 1-sided null hypotheses in the graph 
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are as follows, where “Study 1” denotes the present study, and “Study 2” denotes the second 
Phase III study: 
Primary Endpoint Null Hypotheses: 
H011: rRR1 ≥ 1, where rRR1 denotes qualified relapse rate ratio comparing evobrutinib to 
teriflunomide in Study 1 
H012: rRR2 ≥ 1, where rRR2 denotes qualified relapse rate ratio comparing evobrutinib to 
teriflunomide in Study 2 
Secondary Endpoint Null Hypotheses: 
H02: S12e(t) ≤ S12c(t), where S12e(t) denotes the survival function for time to 12-week CDP in 
the experimental (evobrutinib) group based on pooled data, S12c(t) denotes the survival 
function for time to 12-week CDP in the comparator (teriflunomide) group based on pooled 
data, and the variable t denotes time since randomization.  
H03: S24e(t) ≤ S24c(t), where S24e(t) and S24c(t) denotes the survival functions for time to 
24-week CDP based on pooled data 
H04: S24e(t) ≥ S24c(t), where S24e(t) denotes the survival function for time to 24-week CDI in 
the experimental (evobrutinib) group based on pooled data from participants with baseline 
EDSS ≥ 2.0, S24c(t) denotes the survival function for time to 24-week CDI in the comparator 
(teriflunomide) group based on pooled data from participants with baseline EDSS ≥ 2.0, and 
the variable t denotes time since randomization.  
H05: ΔPF ≤ 0, where ΔPF denotes difference in PROMIS Physical Function score CFB over 
96 weeks least-squares mean, comparing evobrutinib to teriflunomide, based on pooled data 
(higher score corresponds to improved physical function).  
H06: ΔFatigue ≥ 0, where ΔFatigue denotes difference in PROMIS Fatigue score CFB over 
96 weeks least-squares mean, comparing evobrutinib to teriflunomide, based on pooled data 
(higher score corresponds to more fatigue).  
H021: lRR21 ≥ 1, where lRR21 denotes T1 Gd+ lesion rate ratio comparing evobrutinib to 
teriflunomide in Study 1 
H022: lRR22 ≥ 1, where lRR22 denotes T1 Gd+ lesion rate ratio comparing evobrutinib to 
teriflunomide in Study 2 
H031: lRR31 ≥ 1, where lRR31 denotes new or enlarging T2 lesion rate ratio comparing 
evobrutinib to teriflunomide in Study 1 
H032: lRR32 ≥ 1, where lRR32 denotes new or enlarging T2 lesion rate ratio comparing 
evobrutinib to teriflunomide in Study 2 
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H041: ΔNfL1 ≥ 0, where ΔNfL1 denotes a difference in NfL Concentration at 12 weeks comparing 
evobrutinib to teriflunomide in Study 1 
H042: ΔNfL2 ≥ 0, where ΔNfL2 denotes a difference in NfL Concentration at 12 weeks comparing 
evobrutinib to teriflunomide in Study 2 
At the PA, the primary efficacy endpoint, ARR, will be tested at the 0.025 (1-sided) level in 
each study. Figure 3 shows the multiple testing procedure involving study-specific endpoints 
and pooled endpoints. 
At the PA, the 12-week CDP pooled endpoint will be tested at the 0.025-0.0252 = 0.024375 
level, 1-sided, only if ARR is significant in both studies at the 0.025 level, 1-sided. 
If the 12-week CDP pooled endpoint is significant at the 0.024375 level, 1-sided, the 
subsequent pooled endpoints (24-week CDP, 24-week CDI, PROMIS PF CFB over 96 weeks, 
PROMIS Fatigue CFB over 96 weeks) will be tested in a hierarchical order at 0.024375 level, 
1-sided. 
If the primary efficacy endpoint, ARR up to 156 weeks, is significant within a study at the 
0.025 level, 1-sided, the subsequent single-study endpoints (total number of T1 Gd+ lesions 
based on all available MRI scans, number of new/enlarging T2 lesions on the last available 
MRI scan relative to the baseline scan, Week 12 NfL concentration) will be tested in a 
hierarchical order at the 0.025 level, 1-sided. 
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Figure 3 
Multiplicity Graph  
 
ARR = Annualized Relapse Rate, CDI = Confirmed Disability Improvement, CDP = Confirmed Disability 
Progression, CFB = change from Baseline, Gd+ = gadolinium positive, NfL = neurofilament light chain, 
PROMIS = Patient Reported Outcomes Measurement Information System, T1 and T2 = type of Magnetic 
Resonance Image, Wk = Week. 
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11 
Appendices  
Appendix 1 
Abbreviations  
 
9-HPT 
9 Hole Peg Test 
ACTH 
Adrenocorticotropic hormone 
AE 
Adverse Event 
AEP 
Accelerated elimination procedure 
AESI 
Adverse Event of Special Interest  
ALT 
Alanine aminotransferase  
ARR 
Annualized Relapse Rate 
AST 
Aspartate aminotransferase  
AUC 
Area under the curve 
BEA 
Blinded Extension Analysis 
BSSR 
Blinded Sample Size Re-estimation 
BTK 
Bruton’s Tyrosine Kinase 
BV 
Brain volume 
CBF 
Cerebral blood flow 
CDI 
Confirmed disability improvement 
CDP 
Confirmed disability progression 
CFB 
Change from Baseline 
CI 
Confidence interval 
CL/f 
The apparent total body clearance of study intervention following 
extravascular administration  
Cmax 
Maximum evobrutinib concentration  
CMV 
Cytomegalovirus 
CNS 
Central nervous system 
COVID 
Coronavirus disease 
CRF 
Case Report Form 
CSF 
Cerebrospinal fluid 
CSF JCV 
PCR 
Cerebrospinal fluid JC virus polymerase chain reaction 
CSR 
Clinical study report 
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C-SSRS 
Columbia-Suicide Severity Rating Scale  
CTCAE 
Common Terminology Criteria for Adverse Events 
CUA 
Combined unique active 
CYP3A 
Cytochrome P450 3A  
DBE 
Double-blind extension 
DBTP 
Double-blind Treatment Period 
DDI 
Drug-drug interactions 
DILI 
Drug induced liver injury 
DMT 
Disease-modifying therapy 
EA 
Early antigen 
EAC 
Endpoint Adjudication Committee  
EBNA 
Epstein-Barr Nuclear Antigen 
EBV 
Epstein-Barr virus 
ECG 
Electrocardiogram 
EDC 
Electronic Data Capture 
EDSS 
Expanded Disability Status Scale 
EODBTP 
End-of-DBTP 
EODBE 
End-of-DBE 
eGFR 
Estimated glomerular filtration rate 
EQ-5D-5L 
EuroQoL 5 Dimension 5 Levels 
FAS 
Full Analysis Set 
FDA 
Food and Drug Administration  
FLAIR 
Fluid-attenuated inversion recovery 
FSH 
Follicle-stimulating hormone 
FSS 
Functional system scores 
GCP 
Good Clinical Practice 
Gd 
Gadolinium 
HAC 
Hepatology Assessment Committee 
HAV 
Hepatitis A Virus 
HBc 
Hepatitis B Core Antigen 
HBV 
Hepatitis B Virus 
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HCV 
Hepatitis C virus 
HEV 
Hepatitis E Virus 
HFE 
High Iron Fe (human hemochromatosis protein) 
HIV 
Human immunodeficiency virus 
HRQoL 
Health-related quality of life 
HRT 
Hormonal replacement therapy 
HRU 
Health Resource Utilization 
IA 
Interim analysis 
IAP 
Integrated Analysis Plan 
ICF 
Informed consent form 
ICH 
International Council for Harmonisation 
IDMC 
Independent Data Monitoring Committee 
IEC 
Independent Ethics Committee 
Ig 
Immunoglobulin 
IMP 
Investigational medicinal product 
IRB 
Institutional Review Board 
IWRS 
Interactive Web Response System 
JCV 
John Cunningham virus 
LFT 
Liver function test 
LTBI 
Latent TB infection 
MAR 
Missing at random 
MedDRA 
Medical Dictionary of Regulatory Activities  
MMRM 
Mixed effect model for repeated measures 
MRI 
Magnetic Resonance Imaging 
MS 
Multiple sclerosis 
nT1 
Normalized T1 
NAWM 
Normal appearing white matter 
NB 
Negative binomial 
NBV 
Normalized brain volume 
NCI 
National Cancer Institute 
NEDA 
No evidence of disease activity 
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NEP 
No evidence of progression 
NEPAD 
No evidence of progression or active disease 
NfL 
Neurofilament light chain 
NK 
Natural killer 
OLE 
Open Label Extension 
PA 
Primary Analysis 
PBVC 
Percent brain volume change 
PCR 
Polymerase chain reaction 
PF 
Physical function 
PIRA 
Progression Independent of Relapse Activity 
PIRMA 
Progression Independent of Relapse and Brain Magnetic Resonance 
Imaging Activities 
PK 
Pharmacokinetics 
PML 
Progressive multifocal leukoencephalopathy 
PPD 
Purified protein derivative 
PRL 
Phase rim lesions 
PRO 
Patient Reported Outcomes 
PROMIS 
Patient Reported Outcomes Measurement Information System 
QoL 
Quality of Life 
QTL 
Quality tolerance limits 
RA 
Rheumatoid arthritis 
RMS 
Relapsing multiple sclerosis 
SAE 
Serious Adverse Event 
SARS-CoV-2 
Severe acute respiratory syndrome-coronavirus-2 
SCR 
Screening 
SDMT 
Symbol Digit Modalities Test 
SEL 
Slowly expanding lesions 
SF-36v2 
36-Item Short Form Survey Instrument Version 2 
SLE 
Systemic lupus erythematosus 
SmPC 
Summary of Product Characteristics 
SoA 
Schedule of activities 
SOC 
System Organ Class 
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SPMS 
Secondary progressive multiple sclerosis 
SSC 
Study Steering Committee 
SUSAR 
Suspected Unexpected Serious Adverse Reaction 
T25-FW 
Timed 25-Foot Walk  
TB 
Tuberculosis 
TEAE 
Treatment emergent adverse event 
ULN 
Upper limit of normal 
USPI 
United States Prescribing Information 
USSR 
Unblinded Sample Size Re-estimation 
VCA 
Viral capsid antigen 
Vz/f 
The apparent volume of distribution during the terminal phase following 
extravascular administration 
WHO 
World Health Organization 
WOCBP 
Woman of Childbearing Potential 
 
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Appendix 2 
Study Governance  
Financial Disclosure 
Investigators and Sub-Investigators will provide the Sponsor with sufficient, accurate 
financial information, as requested, for the Sponsor to submit complete and accurate financial 
certification or disclosure statements to the appropriate regulatory authorities. This 
information is required during the study and for 1 year after completion of the study. 
Informed Consent Process 
x The Investigator or his/her representative will explain the nature of the study to the 
participant and answer all questions on the study. 
x Participants must be informed that their participation is voluntary. 
x Participants will be required to sign a statement of informed consent that meets the 
requirements of 21 CFR 50; local regulations; ICH guidelines; Health Insurance Portability 
and Accountability Act (HIPAA) requirements, where applicable; and the IRB/IEC or 
study center. 
x The medical record must include a statement that written informed consent was obtained 
before the participant was enrolled in the study and the date the written consent was 
obtained. The authorized person obtaining the informed consent must also sign the ICF. 
x If the ICF is updated during their participation in the study, participants must be 
reconsented to the most current, approved version. 
x A copy of the ICF(s) must be provided to the participant. 
x The original signed and dated consent will remain at the Investigator’s site and must be 
safely archived so that it can be retrieved at any time for monitoring, auditing and 
inspection purposes. 
x As this study includes optional pharmacogenetic examinations, including collection and 
storage of biological samples, participants may consent to a separate pharmacogenetic 
analysis, the process of which will need to be documented in the participant’s medical 
records. 
x Participants who are rescreened are required to sign a new ICF. 
x Consenting participant will enter the 4-week screening period to be evaluated for 
eligibility. Please see the SoA (see Section 1.3) for details. Participants must fulfill all entry 
criteria for participation in the study. 
x The screening period may be extended to a total period of 12 weeks after approval by the 
Medical Monitor (see Section 8). The following should be performed: 
x An Eligibility Review Form [ERF] documenting the Investigator’s assessment of each 
screened participant with regard to the protocol’s inclusion and exclusion criteria is to 
be completed by the Investigator. 
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x Each participant screened must be registered in the IWRS by the Investigator or the 
Investigator’s research staff at Screening. A screen failure record must be maintained 
by the Investigator, and reasons must be captured in the IWRS. 
x It should be stated in the medical record that the participant is participating in this 
clinical study. 
x Eligibility will be evaluated and confirmed by the study eligibility team. Sites will be 
required to submit an eligibility packet to the Medical Monitor (consisting of an 
eligibility checklist and appropriate documentation) for potential eligible participants. 
Data Protection 
x The Sponsor will assign a unique identifier to participants after obtaining their informed 
consent. All participant records or datasets transferred to the Sponsor will contain the 
identifier only; participant names or any identifiable information will not be transferred. 
x The Sponsor must inform participants that their personal study-related data will be used 
per local data protection and privacy laws. The level of disclosure must also be explained 
to the participant and pregnant partners (if applicable), who will be required to give consent 
for their data to be used, as specified in the informed consent. 
x The participant must be informed that his/her medical records may be examined by Clinical 
Quality Assurance auditors or other Sponsor-appointed, authorized personnel, by 
appropriate IRB/IEC members, and by regulatory authority inspectors. All such persons 
will strictly maintain participants’ confidentiality. 
Study Administrative 
This clinical study will be sponsored by Merck Healthcare KGaA Darmstadt, Germany for 
sites outside of the US and Canada and EMD Serono Research & Development Institute, Inc., 
Billerica, MA, US for sites in the US and Canada. 
The study will be conducted at approximately 200 global sites anticipated from approximately 
30 countries (approximately 30 sites in the US). Sites will be a mixture of academic centers 
and outpatient clinics. 
The Coordinating Investigator listed on the title page represents all Investigators for decisions 
and discussions on this study, per ICH GCP. The Coordinating Investigator will provide 
expert medical input and advice on the study design and execution and is responsible for the 
review and signoff of the clinical study report. 
An IDMC, HAC, EAC, and SSC will perform specific study-related activities as detailed in 
each committee’s charter (see Section 8.2.8). 
The study will appear in the following clinical studies registries: ClinicalTrials.gov and 
EudraCT. 
Details of structures and associated procedures will be defined in a separate Pharmacy 
Manual. 
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Regulatory and Ethical Considerations 
x This study will be conducted in accordance with the protocol and the following: 
x Consensus ethical principles derived from international guidelines, including 
the Declaration of Helsinki and Council for International Organizations of 
Medical Sciences (CIOMS) International Ethical Guidelines 
x Applicable ICH GCP Guidelines 
x Applicable laws and regulations 
x The Investigator must submit the protocol, protocol amendments (if applicable), ICF, 
Investigator Brochure, and other relevant documents (e.g., advertisements) to an IRB/IEC 
and the IRB/IEC must review and approve them before the study is initiated. 
x Any protocol amendments (i.e., changes to the protocol) will be documented in writing 
and require IRB/IEC approval before implementation of changes, except for changes 
necessary to eliminate an immediate hazard to study participants. When applicable, 
amendments will be submitted to the appropriate Health Authorities. 
x The Investigator will be responsible for the following: 
x Providing written summaries of the status of the study to the IRB/IEC annually or more 
frequently per the IRB’s/IEC’s requirements, policies, and procedures. 
x Notifying the IRB/IEC of SAEs or other significant safety findings, as required by 
IRB/IEC procedures 
x Providing oversight of the study conduct at the site and adherence to requirements of 
21 CFR, ICH guidelines, the IRB/IEC, European regulation 536/2014 for clinical 
studies (if applicable), and all other applicable local regulations 
x The protocol and any applicable documentation will be submitted or notified to the Health 
Authorities in accordance with all local and national regulations for each site. 
Emergency Medical Support 
x The Sponsor or designee will provide Emergency Medical Support cards to participants 
for use during the study. These provide the means for participants to identify themselves 
as participating in a clinical study. Also, these give health care providers access to any 
information about this participation that may be needed to determine the course of medical 
treatment for the participant. The information on the Emergency Medical Support card 
may include the process for emergency unblinding (if applicable). 
x The first point of contact for all emergencies will be the clinical study Investigator caring 
for the participant. Consequently, the Investigator agrees to provide his or her emergency 
contact information on the card. If the Investigator is available when an event occurs, they 
will answer any questions. Any subsequent action (e.g., unblinding) will follow the 
standard process established for Investigators. 
When the Investigator is not available, the Sponsor provides the appropriate means to contact 
a Sponsor (or designee) physician. This includes provision of a 24-hour contact number at a 
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call center, whereby the health care providers will be given access to the appropriate Sponsor 
(or designee) physician to assist with the medical emergency and to provide support for the 
potential unblinding of the participant concerned. 
Clinical Study Insurance and Compensation to Participants 
Insurance coverage will be provided for each country participating in the study. Insurance 
conditions shall meet good local standards, as applicable. 
Clinical Study Report 
After study completion, the Sponsor will write a clinical study report in consultation with the 
Coordinating Investigator. 
Publication 
x The results of this study may be published or presented at scientific meetings. If this is 
foreseen, the Investigator agrees to submit all manuscripts or abstracts to the Sponsor 
before submission. This allows Merck to protect proprietary information and to provide 
comments.  
x The Sponsor will comply with the requirements for publication of study results. Per 
standard editorial and ethical practice, the Sponsor will generally support publication of 
multicenter studies only in their entirety and not as individual site data. In this case, a 
coordinating Investigator will be designated by agreement. 
x Authorship will be determined by agreement and in line with International Committee of 
Medical Journal Editors authorship requirements. 
Dissemination of Clinical Study Data 
After completion of the study, a clinical study report will be written by the Sponsor in 
consultation with the Coordinating Investigator following the guidance in ICH Topic E3, and 
will be submitted in accordance with local regulations. 
Any and all scientific, commercial, and technical information disclosed by the Sponsor in this 
protocol or elsewhere should be considered the confidential and proprietary property of the 
Sponsor. The Investigator shall hold such information in confidence and shall not disclose the 
information to any third party except to such of the Investigator’s employees and staff as have 
been made aware that the information is confidential and who are bound to treat it as such and 
to whom disclosure is necessary to evaluate that information. The Investigator shall not use 
such information for any purpose other than for determining mutual interest in performing the 
study and, if the parties decide to proceed with the study, for the purpose of conducting the 
study. 
The Investigator understands that the information developed from this clinical study will be 
used by the Sponsor in connection with the development of the study drug and therefore may 
be disclosed as required to other clinical Investigators, to the US Food and Drug 
Administration, and to other government agencies. The Investigator also understands that, to 
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allow for the use of the information derived from the clinical study, the Investigator has the 
obligation to provide the Sponsor with complete test results and all data developed in the 
study. 
No publication or disclosure of study results will be permitted except under the terms and 
conditions of a separate written agreement. 
Data Quality Assurance 
x All participant study data will be recorded on printed or electronic CRFs or transmitted to 
the Sponsor or designee electronically (e.g., laboratory data). The Investigator is 
responsible for verifying that data entries are complete, accurate, legible, and timely by 
physically or electronically signing the CRF. Details for managing CRFs are in the 
Pharmacy Manual. 
x For PRO data (e.g., QoL and pain assessments), ePRO will be used. 
x The Investigator must maintain accurate documentation (source data) that supports the 
information in the CRF. 
x The Investigator must permit study-related monitoring, quality assurance audits, IRB/IEC 
review, and regulatory agency inspections and provide direct access to the study file and 
source data. 
x QTLs will be predefined and documented in the applicable project management database 
to help support the identification of systematic issues that could potentially impact 
participant safety and/or reliability of study results. These predefined parameters will be 
monitored during the study and important deviations from the QTL thresholds and 
remedial actions taken will be summarized in the clinical study report. 
x Monitoring details describing strategy (e.g., risk-based initiatives in operations and quality 
such as Risk Management and Mitigation Strategies and Analytical Risk-Based 
Monitoring), methods, responsibilities, and requirements, including handling of 
noncompliance issues and monitoring techniques (central, remote, or on-site monitoring) 
are in the Monitoring Plan. 
x The Sponsor or designee is responsible for data management of this study, including 
quality checking of the data and maintaining a validated database. Database lock will occur 
once quality control and quality assurance procedures have been completed. PDF files of 
the CRFs will be provided to the Investigators at study completion. 
x Study monitors will perform ongoing source data verification to confirm that data in the 
CRF are accurate, complete, and verifiable; that the safety and rights of participants are 
being protected; and that the study is being conducted per the currently approved protocol 
and any other study agreements, ICH GCP, and all applicable regulatory requirements. 
x Records and documents, including signed ICFs, pertaining to the conduct of this study 
must be retained by the Investigator for 15 years after study completion, unless local 
regulations, institutional policies, or the Sponsor requires a longer retention. No records 
may be destroyed during the retention period without the Sponsor’s written approval. No 
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records may be transferred to another location or party without the Sponsor’s written 
notification. 
Source Documents 
x Source documents provide evidence for the existence of the participant and substantiate 
the integrity of the data collected. 
x The Investigator must keep a paper or electronic file (medical file and original medical 
records) at the site for each study participant. The file must identify each participant, 
contain the following demographic and medical information for the participant, and should 
be as complete as possible: 
o Participant’s full name, date of birth, sex, height, and weight 
o Medical history and concomitant diseases 
o Prior and concomitant therapies (including changes during the study) 
o Study identifier (i.e., the Sponsor’s study number) and participant’s study number. 
o Dates of entry into the study (i.e., signature date on the informed consent) and each 
visit to the site 
o Any medical examinations and clinical findings predefined in the protocol 
o All AEs 
o Date that the participant left the study, including any reason for early withdrawal 
from the study or study intervention, if applicable. 
x All source data must be filed (e.g., CT or MRI scan images, ECG recordings, and 
laboratory results). Each document must have the participant number and the procedure 
date; ideally, printed by the instrument used for the procedure. As necessary, medical 
evaluation of these records should be performed, documented, signed, and dated by the 
Investigator.  
x Data recorded on printed or electronic CRFs that are transcribed from source documents 
must be consistent with the source documents or the discrepancies must be explained. The 
Investigator may need to request previous medical records or transfer records, depending 
on the study. Also, current medical records must be available. 
x The study monitors will use printouts of electronic files for source data verification. These 
printouts must be signed and dated by the Investigator and kept in the study file. 
x Source documents are stored at the site for the longest possible time permitted by the 
applicable regulations, and/or as per ICH GCP guidelines, whichever is longer. The 
Investigator ensures that no destruction of medical records is performed without the 
Sponsor’s written approval. 
x Definition of what constitutes source data is found in the eCRF guidelines. 
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Study and Site Closure 
x The Sponsor reserves the right to close the study site or terminate the study at any time and 
for any reason, including but not limited to new or emerging safety information that 
negatively affects the benefit/risk assessment of the clinical study. Study sites will be 
closed upon study completion. A study site is considered closed when all required 
documents and study supplies have been collected and a site closure visit has been 
completed. 
x The Investigator may initiate site closure at any time, provided there is reasonable cause 
and sufficient notice is given in advance of the intended termination. 
x Reasons for the early closure of a study site by the Sponsor or Investigator may include: 
x Failure of the Investigator to comply with the protocol, the requirements of the IRB/IEC 
or local health authorities, the Sponsor’s procedures, or GCP guidelines 
x Inadequate recruitment of participants by the Investigator 
x Discontinuation of further development of the Sponsor’s compound. 
x If the study is prematurely terminated or suspended, the Sponsor will promptly inform the 
Investigators, the IECs/IRBs, the regulatory authorities, and any contract research 
organization(s) used in the study of the reason for termination or suspension, as specified 
by the applicable regulatory requirements. The Investigator will promptly inform the 
participants and assure appropriate participant therapy and/or follow-up. 
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Appendix 3 
Contraception  
Definitions: 
Woman of Childbearing Potential (WOCBP) 
A woman is considered fertile following menarche and until becoming postmenopausal unless 
permanently sterile, as specified below. 
If fertility is unclear (e.g., amenorrhea in adolescents or athletes) and a menstrual cycle cannot 
be confirmed before the first dose of study intervention, consider additional evaluation. 
A WOCBP is not: 
1. Premenarchal 
2. A premenopausal female with 1 of the following: 
x Documented hysterectomy 
x Documented bilateral salpingectomy 
x Documented bilateral oophorectomy 
Documentation can come from the site personnel’s review of the female’s medical 
records, medical examination, or medical history interview. 
For a female with permanent infertility due to an alternate medical cause other than 
the above, (e.g., Müllerian agenesis, androgen insensitivity), Investigator discretion 
applies to determine study entry. 
3. A postmenopausal female 
x A postmenopausal state is defined as no menses for 12 months without an 
alternative medical cause. 
o A high follicle-stimulating hormone (FSH) level in the postmenopausal range 
may be used to confirm a postmenopausal state in a female not using hormonal 
contraception or hormonal replacement therapy (HRT). However, in the 
absence of 12 months of amenorrhea, more than 1 FSH measurement is 
required in the postmenopausal range. 
x A female on HRT and whose menopausal status is in doubt will be required to use 
one of the nonestrogen hormonal highly effective contraception methods if she 
wishes to continue her HRT during the study. Otherwise, she must discontinue 
HRT to allow confirmation of postmenopausal status before study enrollment. 
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Contraception Guidance: 
CONTRACEPTIVES ALLOWED DURING THE STUDY INCLUDE: 
Highly Effective Methods That Have Low User Dependency 
x Implantable progestogen-only hormone contraception associated with inhibition of ovulationa 
x Intrauterine device (IUD) 
x Intrauterine hormone-releasing system (IUS)a 
x Bilateral tubal occlusion 
x Vasectomized partnerb: a highly effective contraceptive method provided that the partner is the sole sexual 
partner of a WOCBP and the absence of sperm has been confirmed. Otherwise, use an additional highly 
effective method of contraception. The spermatogenesis cycle is approximately 90 days. 
Highly Effective Methods That Are User Dependent  
x Combined (estrogen- and progestogen-containing) hormonal contraception associated with inhibition of 
ovulationa 
x Oral 
x Intravaginal 
x Transdermal 
x Injectable 
x Progestogen-only hormone contraception associated with inhibition of ovulationa 
x Oral 
x Injectable 
x Sexual abstinence: a highly effective method only if defined as refraining from intercourse during the entire 
period of risk associated with the study intervention. The reliability of sexual abstinence needs to be 
evaluated in relation to the duration of the study. Abstinence is only acceptable as a contraceptive method 
for study purposes if it is in line with the preferred and usual lifestyle of the participant as evaluated by the 
Investigator. 
Barrier Methods  
x Male or female condom with or without spermicide 
x Cap, diaphragm, or sponge with spermicide 
a 
Evobrutinib has been characterized as both an inducer and a time-dependent inhibitor of CYP3A4/5 in 
vitro, an enzyme involved in the metabolism of estrogen and progestin. Although it is a low risk, it is possible 
that coadministration with evobrutinib results in increased metabolism of estrogen, progestin, and other 
hormones used for contraception, increasing the likelihood that hormonal contraception methods, marked 
above with a, might fail. However, all participants that are WOCBP are required to use a barrier method as 
backup (see Inclusion Criterion 6) in part to mitigate this potential risk. 
Teriflunomide may increase the systemic exposures of ethinylestradiol and levonorgestrel. Consideration 
should be given to the type or dose of contraceptives used in combination with teriflunomide (see Appendix 9 
and refer to the locally approved product information [e.g., relevant SmPC or USPI]). There was an increase 
in mean ethinylestradiol Cmax and AUC0-24 (1.58- and 1.54-fold, respectively) and levonorgestrel Cmax and 
AUC0-24 (1.33- and 1.41-fold, respectively) following repeated doses of teriflunomide.  
b 
If a WOCBP participant is using a highly effective method other than sexual abstinence or 
vasectomized partner, AND ALSO has a vasectomized partner, the vasectomized partner will be considered 
the “barrier method” for study purposes. 
Notes: 
Contraceptive use by men or women is consistent with local regulations on the use of contraceptive methods 
for clinical study participants. 
Highly effective methods are those with a failure rate of < 1% per year when used consistently and correctly. 
Typical use failure rates differ from those when used consistently and correctly. 
If locally required, in accordance with Clinical Trial Facilitation Group (CTFG) guidelines, acceptable 
contraceptive methods are limited to those which inhibit ovulation as the primary mode of action. 
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Periodic abstinence (calendar, symptothermal, postovulation methods), withdrawal (coitus interruptus), 
spermicides only, and lactational amenorrhoea method (LAM) are not acceptable methods of contraception 
for this study. Male condom and female condom cannot be used together (due to risk of failure with friction). 
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Appendix 4 
Adverse 
Events: 
Definitions 
and 
Procedures 
for 
Recording, Evaluating, Follow-up, and Reporting  
Definitions 
Adverse Event 
An AE is any untoward medical occurrence in a participant administered a pharmaceutical 
product, regardless of causal relationship with this treatment. Therefore, an AE can be any 
unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or 
disease temporally associated with the use of a medicinal product, regardless if it is considered 
related to the medicinal product. 
For surgical or diagnostic procedures, the condition/illness leading to such a procedure is 
considered as the AE rather than the procedure itself. 
The Investigator is required to grade the severity or toxicity of each AE. 
Investigators 
will 
reference 
the 
NCI-CTCAE, 
version 
5.0 
(publication 
date: 
27 November 2017), a descriptive terminology that can be used for AE reporting. 
A general grading (severity/intensity; hereafter referred to as severity) scale is provided at the 
beginning of the above referenced document, and specific event grades are also provided. 
If the severity for an AE is not specifically graded by NCI-CTCAE, the Investigator is to use 
the general NCI-CTCAE definitions of Grade 1 through Grade 5, using his or her best medical 
judgment. 
The 5 general grades are: 
Grade 1 or Mild 
Grade 2 or Moderate 
Grade 3 or Severe  
Grade 4 or Life-threatening  
Grade 5 or Death  
Any clinical AE with severity of Grade 4 or 5 must also be reported as an SAE. However, a 
laboratory abnormality of Grade 4, such as anemia or neutropenia, is considered serious only 
if the condition meets one of the serious criteria specified below. 
If death occurs, the primary cause of death or event leading to death should be recorded and 
reported as an SAE. “Fatal” will be recorded as the outcome of this specific event and death 
will not be recorded as separate event. Only, if no cause of death can be reported (e.g., sudden 
death, unexplained death), the death per se might then be reported as an SAE. 
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Investigators must also systematically assess the causal relationship of AEs to study 
intervention (including any other nonstudy interventions, radiation therapy, etc.) using the 
following definitions. Decisive factors for the assessment of causal relationship of an AE to 
the study interventions (evobrutinib and teriflunomide) include, but may not be limited to, 
temporal relationship between the AE and the study interventions, known side effects of study 
interventions, medical history, concomitant medication, course of the underlying disease, and 
study procedures. 
Unrelated: 
Not reasonably related to the study intervention. AE could not medically 
(pharmacologically/clinically) be attributed to the study intervention under 
study in this clinical study protocol. A reasonable alternative explanation must 
be available. 
Related: 
Reasonably related to the study intervention. AE could medically 
(pharmacologically/clinically) be attributed to the study intervention under 
study in this clinical study protocol.  
Abnormal Laboratory Findings and Other Abnormal Investigational Findings 
Abnormal laboratory findings and other abnormal investigational findings (e.g., on an ECG 
trace) should not be reported as AEs unless they are associated with clinical signs and 
symptoms, lead to study intervention discontinuation or are considered otherwise medically 
important by the Investigator. If a laboratory abnormality fulfills these criteria, the identified 
medical condition (e.g., anemia or increased ALT) must be reported as the AE rather than the 
abnormal value itself. 
Serious Adverse Events 
An SAE is any untoward medical occurrence that at any dose: 
x Results in death 
x Is life-threatening. Life-threatening refers to an event in which the participant is at risk of 
death at the time of the event, not an event that hypothetically might have caused death if 
it was more severe. 
x Requires inpatient hospitalization or prolongs an existing hospitalization 
x Results in persistent or significant disability or incapacity 
x Is a congenital anomaly or birth defect 
x Is otherwise considered to be medically important. Important medical events that may not 
result in death, be life-threatening, or require hospitalization may be considered as SAEs 
when, based upon appropriate medical judgment, they may jeopardize the participant or 
may require medical or surgical intervention to prevent one of the outcomes listed above. 
Examples of such events include allergic bronchospasm requiring intensive treatment in 
an emergency room or at home, blood dyscrasias or convulsions that do not result in 
inpatient hospitalization, or the development of drug dependency or drug abuse. 
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For the purposes of reporting, any suspected transmission of an infectious agent via a study 
intervention is also considered an SAE, as specified below for reporting SAEs and AESIs. 
Events that Do Not Meet the Definition of an SAE 
Elective hospitalizations to administer, or to simplify study intervention or procedures (e.g., 
an overnight stay to facilitate intravenous therapy) are not considered SAEs. However, all 
events leading to unplanned hospitalizations or unplanned prolongation of an elective 
hospitalization (i.e., undesirable effects of any administered treatment) must be documented 
and reported as SAEs. 
Events Not to Be Considered as AEs/SAEs 
Medical conditions present at the initial study visit that do not worsen in severity or frequency 
during the study are defined as Baseline Medical Conditions, and are not to be considered 
AEs. Worsening of the underlying disease is not routinely to be considered an AE or SAE, 
but is rather an efficacy endpoint, unless deemed to be causally related to the IMP. However, 
if significant adverse signs or symptoms occur in association with complications or a 
prolonging of a hospitalization originally due to relapse or disease progression, then these 
specific complications or hospital prolongation events should be recorded as AEs. 
Adverse Events of Special Interest 
Adverse events of special interest are liver AEs (possible drug-induced, non-infectious, 
non-alcoholic, and immune-mediated), infections (serious and opportunistic infections), 
lipase and amylase elevation, and seizure, as described in Section 6.9. 
Other Adverse Events to be Reported Following a Specialized Procedure  
The following procedures should be followed for reporting overdoses (refer to eCRF 
guidelines for further details): 
x Overdoses without an AE should be reported using the paper SAE form only, stating if the 
overdose was accidental or intentional. 
x Overdoses associated with a nonserious AE should be recorded on the AE eCRF. 
x Overdoses associated with an SAE should be recorded on the AE eCRF and the SAE 
reporting procedure outlined below should be followed. 
Recording and Follow-Up of AE and/or SAE 
It is important that each AE report include a description of the event, its duration (onset and 
resolution dates and also onset and resolution times, when it is important to assess the time of 
AE onset relative to the recorded study intervention administration time), its severity, its 
causal relationship with the study intervention, any other potential causal factors, any 
treatment given or other action taken, including dose modification or discontinuation of the 
study intervention, and its outcome. In addition, serious cases should be identified and the 
appropriate seriousness criteria documented.  
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Specific guidance is in the CRF Completion and Monitoring Conventions provided by the 
Sponsor. 
Reporting Serious Adverse Events and Adverse Events of Special Interest 
Serious Adverse Events 
In the event of any new SAE occurring during the reporting period, the Investigator must 
immediately inform the Sponsor or its designee using the electronic SAE report form in the 
Electronic Data Capture (EDC) system. The site will enter into the electronic system the SAE 
data within 24 hours after becoming aware of the event. It is expected that the 
investigator/sub-investigator signs off this data in the system and any relevant associated data 
(e.g., additional laboratory tests, medical records, diagnostic reports, histopathological 
examinations, or consultation with other health care professionals) will be entered as soon as 
it becomes available.  
Reporting of SAEs using a paper report form is required as a back-up method only for an EDC 
system failure. Names, addresses, and telephone and fax numbers will be included on the 
paper form. All information from the paper form must be transcribed into the electronic form 
as soon as the system becomes available. 
In exceptional circumstances, an SAE (or follow-up information) may be reported by 
telephone; in these cases, an electronic SAE report form must be completed immediately 
thereafter. 
Relevant pages from the CRF may be provided in parallel (e.g., medical history, concomitant 
drugs). Additional documents may be provided by the Investigator, if available (e.g., 
laboratory results, hospital report, autopsy report).  
The Investigator must respond to any request for follow-up information (e.g., additional 
information, outcome, final evaluation, other records where needed) or to any question the 
Sponsor/designee may have on the AE within the same timelines as those noted above for 
initial reports. This is necessary to ensure prompt assessment of the event by the Sponsor or 
designee and (as applicable) to allow the Sponsor to meet strict regulatory timelines associated 
with expedited safety reporting obligations. 
Requests for follow-up will usually be made via the study monitor, although in exceptional 
circumstances the global patient safety department may contact the Investigator directly to 
obtain further information or to discuss the event. 
Adverse Events of Special Interest 
For a non-serious AESI, the site will complete the specific AESI report form and notify the 
Sponsor immediately (within 24 hours), using the same process for reporting SAEs, as 
specified above. 
For a serious AESI, the site will complete an SAE report form, using the SAE reporting 
process, specified above. 
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Suspected Unexpected Serious Adverse Reactions (SUSARs) 
Individual Case Safety Reports will be prepared for SUSARs according to local regulatory 
requirements and Sponsor policy and forwarded to Investigators within 15 days. 
An Investigator or sub-investigator who receives an Individual Case Safety Report describing 
a SUSAR or other specific safety information (e.g., Emerging Safety Issue Report, summary 
or listing of SAEs/SUSARs) from the Sponsor will review the safety reports and confirm 
completion of this review. This information will be filed it in the Investigator’s Site File, and 
the IRB/IEC will be notified, if appropriate, according to applicable local laws/regulations 
and site SOPs. 
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Appendix 5 
Clinical Laboratory Tests  
Table 5 
Protocol-Required Clinical Laboratory Assessments  
Laboratory 
Assessments 
Parameters 
Hematology 
Platelet count  
Mean Corpuscular Volume 
(MCV) 
White Blood Cell 
(WBC) Count 
with Differential: 
x 
Neutrophils 
x 
Lymphocytes 
x 
Monocytes 
x 
Eosinophils 
x 
Basophils 
Reticulocytes 
Hemoglobin 
Mean corpuscular hemoglobin 
(MCH) 
Hematocrit 
Mean corpuscular hemoglobin 
concentration (MCHC) 
Erythrocytes 
 
 
LFT visits 
Aspartate aminotransferase 
γ-Glutamyl-transferase 
Bilirubin, total 
Alanine aminotransferase 
Alkaline phosphatase 
 
Biochemistry 
Blood Urea 
Nitrogen 
Potassium 
Aspartate Aminotransferase 
Bilirubin, total 
 
Creatinine 
and eGFR 
calculation 
Sodium 
Alanine Aminotransferase 
Protein, total 
Glucose 
Calcium 
Alkaline phosphatase 
Albumin 
Chloride 
Lactate 
dehydrogenase 
Lipase 
Amylase 
 
 
Magnesium 
Total carbon dioxide 
Phosphate 
Details of liver chemistry stopping criteria and required actions and follow-up assessments after liver stopping 
or monitoring event are given in Section 7.1. 
Hepatic/Autoimmune 
Panel (to be 
performed in the 
event of elevated 
LFTs, see 
Section 7.1) 
Antinuclear 
antibody, 
antismooth 
muscle 
antibody, 
antibody to 
liver kidney 
microsomes 
Alkaline 
phosphatase, 
Albumin, ALT, 
AST, GGT, and 
total bilirubin 
Anti-HAV IgM, HBsAg, anti-HBc IgM, anti- HBsAg, 
anti-HCV, anti-HEV IgG and IgM, anti-VCA IgG 
and IgM, anti-EA IgG, anti-EBNA IgG, anti-CMV 
IgG and IgM, EBV PCR, and CMV PCR 
Ferritin/ 
Transferrin 
saturationb 
Fibrinogen, 
hsCRP 
Focused Genetic Testingb 
Hepatitis C 
ViRNA PCR 
 
 
Routine Urinalysis 
x 
Specific gravity 
x 
pH, glucose, protein, blood, ketones, bilirubin, urobilinogen, nitrite, by dipstick 
x 
Microscopic examination (if blood or protein is abnormal) 
Reflex Testing for 
HBV DNA 
x 
Hepatitis B Virus DNA PCR 
Other Tests 
x 
QuantiFERON TB testing for high TB burden countries 
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Laboratory 
Assessments 
Parameters 
x 
Highly sensitive urine human chorionic gonadotropin (hCG) pregnancy test (as 
needed for a WOCBP). Note: Local urine testing will be standard for the protocol 
unless serum testing is required by local regulation or the IRB/IEC. 
x 
Teriflunomide levelsc 
x 
B, T and NK cell absolute countf 
x 
Immunoglobulin (IgM, IgA, IgG, and IgE)f 
x 
Teriflunomide plasma concentration related to AEPf 
Other Screening 
Tests 
x 
Serology (hepatitis C virus antibodies, hepatitis B virus antibodies, HIV testingd, 
hepatitis B surface antigen, hepatitis C virus RNA PCR, QuantiFERON TB test) 
x 
FSH (as needed if not a WOCBP only)e 
x 
Serum pregnancy test (as needed for a WOCBP) 
x 
Ferritin and transferrin saturation 
x 
JC virus DNA PCR to be performed if MRI has findings suggestive of progressive 
multifocal leukoencephalopathy 
x 
All study-required laboratory assessments will be performed by a central 
laboratory, except for urine dipstick (microscopic examination done centrally), 
urine pregnancy, and T-SPOT 
AEP = accelerated elimination procedure, ALT = alanine transaminase, AST = aspartate aminotransferase, 
βhCG = β-Human Chorionic Gonadotropin, CMV = Cytomegalovirus, DNA = deoxyribonucleic acid, EA = Early 
Antigen, EBV = Epstein–Barr virus, EBNA = Epstein-Barr Nuclear Antigen, eGFR = Estimated Glomerular 
Filtration Rate, FSH = Follicle Stimulating Hormone, GGT = gamma-glutamyl transferase, HAV = Hepatitis A 
Virus, HBc = Hepatitis B Core Antigen, HBsAg = Hepatitis B Surface Antigen, HBV = Hepatitis B Virus, 
HCV = Hepatitis C Virus, HEV = Hepatitis E Virus, HFE = High Iron Fe (human hemochromatosis protein), 
HIV = Human Immunodeficiency Virus, hsCRP = High Sensitivity C Reactive Protein, IDMC = Independent Data 
Monitoring Committee, IEC = Independent Ethics Committee, IRB = Institutional Review Board, 
Ig = Immunoglobulin, MCH = mean corpuscular hemoglobin, MCHC = mean corpuscular hemoglobin 
concentration, PCR = polymerase chain reaction, TB = tuberculosis, VCA = Viral Capsid Antigen, WBC = White 
Blood Cell, WOCBP = Women of Childbearing Potential. 
a 
Results will not be disclosed to the sites, Sponsor, or representative, to avoid unblinding. However, the 
IDMC will have access to these data as applicable. 
b 
Focused genetic testing for variants that confer risk for liver diseases and/or drug-related liver injury, 
including but not limited to testing for variants in the HFE gene (C282Y, H63D) in the setting of abnormal 
ferritin/transferrin saturation values as defined in Exclusion Criterion 10.  
c 
During the DBTP, teriflunomide level determination might be completed for safety reasons only. 
Teriflunomide levels will be determined in all participants planning to enter the OLE. 
d HIV testing will be done at Screening centrally, unless indicated otherwise by local regulations. 
e Exam not applicable to participants in the OLE Period. 
f 
Only applicable to participants in the OLE Period. 
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Appendix 6 
Pharmacogenetics  
Use/Analysis of DNA 
x Genetic variation may impact a participant’s response to therapy, susceptibility to, and 
severity and progression of disease. Variable response to therapy may be due to genetic 
determinants that impact study intervention absorption, distribution, metabolism, and 
excretion; mechanism of action of the study intervention; disease etiology; and/or 
molecular subtype of the disease being treated. 
x DNA samples may be used for research related to pharmacokinetics, safety endpoints, 
drug response, and treatment efficacy of evobrutinib or MS and related diseases. They 
may also be used to develop tests or assays, including diagnostic tests related to 
pharmacokinetics, safety endpoints, drug response, and treatment efficacy of 
evobrutinib and MS. Pharmacogenetic research may consist of the analysis of one or 
more candidate genes or the analysis of genetic markers throughout the genome or 
analysis of the entire genome (as appropriate). 
x The results of pharmacogenetic analyses may be reported in the CSR or in a separate 
study summary. 
x Details on processes for collection and shipment of these samples can be found in the 
Laboratory Manual. The Sponsor will store the DNA samples in a secure storage space 
with adequate measures to protect confidentiality. 
x Retention time and possible analysis of DNA sample after the study ends are specified 
in the respective ICF. 
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Appendix 7 
Guidance for Diagnosis of PML  
The safety monitoring algorithm presented in Figure 4 will be implemented in this study. 
Comprehensive neurological assessments will be performed every 12 weeks at the regular 
study visits. Additionally, telephone interviews will be conducted to assess for new or 
worsening neurological symptoms and a neurological evaluation will be conducted if 
clinically indicated. This neurological exam will include calculation of an EDSS score at the 
scheduled 12-week visit or in the event of new/worsening symptoms. This exam requires that 
FSS also be determined. The examination to calculate the FSS includes cognitive, visual and 
motor assessments, as well as assessments of other neurological systems. These neurological 
systems are often affected by PML, and by MS as well. 
Should a non-MS etiology, such as PML, be considered as a differential etiology for any 
change in the clinical picture (neurological symptoms and/or exam), further assessments 
should be done. The evaluation of PML may include a brain MRI scan and CSF analysis per 
the proposed treatment algorithm (Figure 4). 
Action Steps if PML is suspected: 
If the clinical presentation is suggestive of PML, further investigations should include brain 
MRI evaluation as soon as possible. If MRI evaluation reveals lesions suspicious for PML a 
lumbar puncture with evaluation of the CSF for the detection of JCV DNA should be 
undertaken (performed by central laboratory). A diagnosis of PML can potentially be made 
by evaluating clinical and MRI findings plus the identification of JCV in the CSF.  
MRI Assessments 
Although there are no pathognomonic findings that differentiate PML from MS, a brain MRI 
scan that includes fluid-attenuated inversion recovery (FLAIR) and T2-weighted and 
T1-weighted sequences, with and without Gd, should be performed to assess patients with 
neurological changes suggestive of PML. 
CSF Assessment 
x The detection of JCV DNA in the CSF of a participant with clinical and MRI features 
suggestive of PML establishes the diagnosis of PML. 
x If JCV DNA is not detected in CSF and if clinical suspicion of PML remains high, a repeat 
lumbar puncture should be performed. 
x If diagnosis remains uncertain and suspicion of PML remains high, a brain biopsy may be 
considered to establish a definitive diagnosis. 
x CSF will be analyzed centrally. 
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Figure 4
Diagnostic Algorithm for PML – Suggested Diagnostic Algorithm
CSF = cerebrospinal fluid, JCV = JC virus, MRI = Magnetic Resonance Imaging, MS = multiple sclerosis, 
PML = progressive multifocal leukoencephalopathy. 
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Appendix 8 
Procedure for Accelerated Elimination of Teriflunomide  
Teriflunomide is eliminated slowly from the plasma based on the teriflunomide SmPC and 
teriflunomide USPI. Without an accelerated elimination procedure (AEP), it takes on average 
8 months to reach plasma concentrations < 0.02 mg/L, although because of individual variations 
in drug clearance it may take as long as 2 years. An AEP could be used at any time after 
discontinuation of teriflunomide. Elimination can be accelerated by either of the following 
procedures, or as per local standard of care: 
x Administration of cholestyramine 8 g every 8 hours for 11 days. If cholestyramine 8 g three 
times a day is not well tolerated, cholestyramine 4 g three times a day can be used. 
x Administration of 50 g oral activated charcoal powder every 12 hours for 11 days.  
If either elimination procedure is poorly tolerated, treatment days do not need to be consecutive 
unless there is a need to lower teriflunomide plasma concentration rapidly. At the end of 11 days, 
both regimens successfully accelerated teriflunomide elimination, leading to more than 98% 
decrease in teriflunomide plasma concentrations. Use of the AEP may potentially result in return 
of disease activity if the participant had been responding to treatment with teriflunomide. 
In accordance with the teriflunomide prescribing information, it is recommended to confirm a 
teriflunomide level of < 0.02 mg/L after the AEP if the AEP is being done for pregnancy-related 
considerations. All participants previously treated with teriflunomide, or with an unknown 
exposure status during the DBTP and DBE period entering the OLE, should undergo mandatory 
AEP (all genders) upon completion of the DBE period. The Investigator should dispense 
cholestyramine or activated charcoal and to instruct participant about proper intake. The blood 
concentration of teriflunomide has to be verified upon completion of the AEP via blood sample 
collection between Day 12 to Day 30 at the central laboratory. The Investigator will remain blinded 
to the teriflunomide levels. Please refer to the study-specific central laboratory manual for detailed 
information on the teriflunomide blood level testing. If the AEP is being done for any other safety 
reason (e.g., elevated LFTs), a level can be obtained after the AEP, but is not required. 
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Appendix 9 
Teriflunomide Drug-Drug Interactions  
Teriflunomide has the potential for drug interactions and due to the blinded treatment assignment, 
these should be considered when treating participants. The following are the potential drug 
interactions as defined in the teriflunomide USPI (teriflunomide USPI). 
DRUG INTERACTIONS 
Effect of AUBAGIO on CYP2C8 Substrates 
x Teriflunomide is an inhibitor of CYP2C8 in vivo. In patients taking AUBAGIO, exposure 
of drugs metabolized by CYP2C8 (e.g., paclitaxel, pioglitazone, repaglinide, 
rosiglitazone) may be increased. Monitor these patients and adjust the dose of the 
concomitant drug(s) metabolized by CYP2C8 as required. 
Effect of AUBAGIO on Warfarin 
x Coadministration of AUBAGIO with warfarin requires close monitoring of the INR 
because AUBAGIO may decrease peak INR by approximately 25%. 
Effect of AUBAGIO on Oral Contraceptives 
x AUBAGIO may increase the systemic exposures of ethinylestradiol and levonorgestrel. 
Consideration should be given to the type or dose of contraceptives used in combination 
with AUBAGIO. 
Effect of AUBAGIO on CYP1A2 Substrates 
x Teriflunomide may be a weak inducer of CYP1A2 in vivo. In patients taking AUBAGIO, 
exposure of drugs metabolized by CYP1A2 (e.g., alosetron, duloxetine, theophylline, 
tizanidine) may be reduced. Monitor these patients and adjust the dose of the concomitant 
drug(s) metabolized by CYP1A2 as required. 
Effect of AUBAGIO on Organic Anion Transporter 3 (OAT3) Substrates 
x Teriflunomide inhibits the activity of OAT3 in vivo. In patients taking AUBAGIO, 
exposure of drugs which are OAT3 substrates (e.g., cefaclor, cimetidine, ciprofloxacin, 
penicillin G, ketoprofen, furosemide, methotrexate, zidovudine) may be increased. 
Monitor these patients and adjust the dose of the concomitant drug(s) which are OAT3 
substrates as required. 
Effect of AUBAGIO on BCRP and Organic Anion Transporting Polypeptide B1 and B3 
(OATP1B1/1B3) Substrates 
x Teriflunomide inhibits the activity of BCRP and OATP1B1/1B3 in vivo. For a patient taking 
AUBAGIO, the dose of rosuvastatin should not exceed 10 mg once daily. For other substrates 
of BCRP (e.g., mitoxantrone) and drugs in the OATP family (e.g., methotrexate, rifampin), 
especially HMG-Co reductase inhibitors (e.g., atorvastatin, nateglinide, pravastatin, 
repaglinide, and simvastatin), consider reducing the dose of these drugs and monitor patients 
closely for signs and symptoms of increased exposures to the drugs while patients are taking 
AUBAGIO. 
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DRUG INTERACTION STUDIES 
x Teriflunomide is not metabolized by Cytochrome P450 or flavin monoamine oxidase 
enzymes. 
The potential effect of AUBAGIO on other drugs: 
x CYP2C8 substrates 
o There was an increase in mean repaglinide Cmax and AUC (1.7- and 2.4-fold, 
respectively) following repeated doses of teriflunomide and a single dose of 
0.25 mg repaglinide, suggesting that teriflunomide is an inhibitor of CYP2C8 
in vivo. The magnitude of interaction could be higher at the recommended 
repaglinide dose. 
x CYP1A2 substrates 
o Repeated doses of teriflunomide decreased mean Cmax and AUC of caffeine 
by 18% and 55%, respectively, suggesting that teriflunomide may be a weak 
inducer of CYP1A2 in vivo. 
x OAT3 substrates 
o There was an increase in mean cefaclor Cmax and AUC (1.43- and 1.54-fold, 
respectively), following repeated doses of teriflunomide, suggesting that 
teriflunomide is an inhibitor of organic anion transporter 3 (OAT3) in vivo. 
x BCRP and OATP1B1/1B3 substrates 
o There was an increase in mean rosuvastatin Cmax and AUC (2.65- and 2.51-
fold, respectively) following repeated doses of teriflunomide, suggesting that 
teriflunomide is an inhibitor of BCRP transporter and organic anion 
transporting polypeptide 1B1 and 1B3 (OATP1B1/1B3). 
x Oral contraceptives 
o There was an increase in mean ethinylestradiol Cmax and AUC0-24 (1.58- and 
1.54-fold, respectively) and levonorgestrel Cmax and AUC0-24 (1.33- and 
1.41-fold, respectively) following repeated doses of teriflunomide. 
x Teriflunomide did not affect the pharmacokinetics of bupropion (a CYP2B6 substrate), 
midazolam (a CYP3A4 substrate), S-warfarin (a CYP2C9 substrate), omeprazole (a 
CYP2C19 substrate), and metoprolol (a CYP2D6 substrate). 
The potential effect of other drugs on AUBAGIO 
x Potent CYP and transporter inducers: Rifampin did not affect the pharmacokinetics of 
teriflunomide. 
 
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Appendix 10 
Structured Interview at Telephone Contact  
The primary purpose of this interview is to identify any new or worsening neurological symptoms 
that warrant evaluation at an unscheduled visit. Structured interviews should be performed by 
study personnel between clinic visits – see also Section 1.3 and Section 8. 
Telephone contacts between D1 and W44 are not expected to occur every 4 weeks, since 
participants are scheduled to be on site at least every 4 weeks. However, if a participant is utilizing 
the home visit option, telephone contacts should occur as indicated in the SoA. Telephone contacts 
between W44 and W156 should occur every 4 weeks if a clinic visit is not scheduled. 
If the participant is a woman of childbearing potential, please remember to confirm completion of 
home pregnancy testing and discuss results. 
Please ask the following questions and record participant’s answers during the Structured 
Interview: 
 
# 
Question: 
No 
Yes 
1 
Since your last visit or structured interview, have you had any new or 
worsening medical problems (such as sudden changes in your thinking, 
alterations in your behavior, visual disturbances, extremity weakness, 
limb coordination problems, or gait abnormalities) that have persisted over 
several days? 
 
 
2 
Since your last visit or structured interview, have you taken any new 
medicines or had any changes in your medicines? 
 
 
3 
Since your last visit or structured interview, have you had any notable 
medical events (e.g. new or changed signs or symptoms, procedures, 
injuries, or laboratory tests/imaging outside of the study) 
 
 
If the participant answered YES to any question, the interviewer should contact the Treating 
Investigator and review the participant’s answers. The Treating Investigator should determine if 
an unscheduled visit is required. 
Record any pertinent comments made by the participant during the interview: 
__________________________________________________________________ 
__________________________________________________________________ 
__________________________________________________________________ 
 
NAME:__________________________ Date:_____________________________ 
Name of individual completing the structured interview 
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Appendix 11  
Guidance on Clinically Relevant CYP Inducers, Inhibitors, 
and Substrates  
For further information and examples of clinically relevant CYP inducers, inhibitors, and 
substrates, please refer to the applicable tables from the FDA’s Drug Development and Drug 
Interactions. 
Clinically relevant inducers: 
https://www.fda.gov/drugs/drug-interactions-labeling/drug-development-and-drug-interactions-
table-substrates-inhibitors-and-inducers#table3-3 
Clinically relevant inhibitors: 
https://www.fda.gov/drugs/drug-interactions-labeling/drug-development-and-drug-interactions-
table-substrates-inhibitors-and-inducers#table3-2 
Clinically relevant sensitive substrates:  
https://www.fda.gov/drugs/drug-interactions-labeling/drug-development-and-drug-interactions-
table-substrates-inhibitors-and-inducers#table3-1 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
193/262 
 
 
Appendix 12 
Protocol Amendment History  
The information for the current amendment is on the title page. 
Protocol Version 5.2-CZE (16 March 2023)  
This amendment is non-substantial based on the criteria in Article 10(a) of Directive 2001/20/EC 
of the European Parliament and the Council of the European Union. 
Overall Rationale for the Amendment 
The primary purpose of this amendment is: 
x Clarification of language regarding Investigator access to MRI scans during the OLE period 
A high-level description of each change is summarized below, along with its rationale. 
Section # and Name 
Description of Change 
Brief Rationale 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
x 
Added clarification that the 
Investigator will have full access 
to the results of the MRI scans 
during the OLE period, starting 
with the first MRI assessment in 
the OLE period at Week 48 
Updated text to clarify that the 
Investigator will have access to 
the full MRI reports during the 
OLE period including MS-related 
pathology. As the EOT MRI of the 
DBTP is used as baseline for OLE 
period, this MRI will remain 
blinded to MS pathology to ensure 
the integrity of the DBTP. 
Protocol Version 5.1-LTU (18 December 2022)  
This amendment is substantial based on the criteria in Article 10(a) of Directive 2001/20/EC of 
the European Parliament and the Council of the European Union. 
Overall Rationale for the Amendment 
The primary purpose of this amendment is to align the Lithuania-specific protocol with Version 5.0 
(global Protocol Version 5.0; 08 December 2022), in which the following key changes were 
implemented: 
x Introduction of an OLE period for participants completing the DBTP prior to approval of the 
long-term follow-up study in their country to enable an option for evobrutinib treatment 
continuation 
x Addition of the following exploratory endpoints: 
o Time to PIRA and time to PIRMA (to evaluate the effect of treatment on progression not 
driven by relapse events or MRI activity) 
o NEP at Weeks 48, 96 
o Level of anti-SARS-CoV-2 antibodies 
A high-level description of each change is summarized below, along with its rationale. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
194/262 
 
 
1.1 Synopsis 
x 
Changes as per the main protocol 
text 
For consistency with the main 
protocol text.  
1.2 Schema 
x 
Updated to include OLE period and 
information about transfer points to 
long-term follow-up study 
Introduction of OLE period to allow 
participants to continue evobrutinib 
treatment if separate long-term 
follow-up study is not approved in 
their country. To provide further 
clarity of transitioning into the long-
term follow-up study. 
1.3.1 Schedule of Activities – 
Double-blind Treatment Period 
x 
Clarification that no telephone visits 
are to be performed in the study, but 
rather telephone contacts 
x 
Clarification that telephone contacts 
should occur every 4 weeks through 
Week 156 
The term “telephone visit” was 
replaced with “telephone contact”, 
to clarify that a phone call is not 
replacing an on-site visit, because 
only limited topics are to be 
addressed during those calls. 
To clarify study procedures.  
 
x 
Urine pregnancy tests every 4 weeks 
from Week 108 to Week 156 were 
added 
x 
Notes for coagulation tests were 
added 
x 
Urinalysis (local) and vital signs were 
added at Week 156 
To clarify study procedures. 
 
x 
Clarification that the 
hepatic/autoimmune panel includes 
focused genetic testing (e.g., HFE) 
and that samples will only be 
collected and analyzed if elevated 
LFTs are observed 
To clarify that the 
hepatic/autoimmune panel 
performed in case of elevated LFTs 
contains a component of focused 
genetic testing. 
To clarify sample collection. 
 
x 
Removal of IP dispensation at 
Week 156 
To clarify study procedures. 
 
x 
Clarification that ECG is to be 
performed at Week 96 
Assessment at Week 96 was 
inadvertently omitted from previous 
protocol version (4.0); therefore, 
has been added to correct this 
inconsistency in study procedures. 
 
x 
Included detailed description of 
sample collection and use of novel 
liver function protein biomarkers 
To clarify sample collection. 
 
x 
Included information that during 
unscheduled visits for relapse, EDSS 
assessment is required 
To clarify study procedures. 
 
x 
Included specification that novel liver 
function protein biomarkers were 
analyzed from serum, whereas novel 
liver function genomic biomarkers 
were analyzed from plasma  
To clarify distinction between 
samples. 
1.3.2 Schedule of Activities – 
Open-label Extension Period 
x 
Schedule of Activities for OLE period 
added 
To define study procedures to be 
conducted during the OLE period. 
2.3 Benefit/Risk Assessment 
x 
Updated number of participants in 
ongoing and completed clinical 
studies with evobrutinib 
For consistency with the most 
recent IB and DSUR. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
195/262 
 
 
3 Objectives and Estimands 
x 
Addition of exploratory endpoints: 
NEP at Weeks 48 or 96, Time to 
PIRA and PIRMA, level of anti-
SARS-CoV-2 antibodies 
NEP at Weeks 48 or 96 added to 
exploratory endpoints to further 
evaluate the effect of treatment on 
disease activity. 
Time to PIRA and time to PIRMA 
added to exploratory endpoints to 
evaluate the effect of treatment on 
progression not driven by relapse 
events or MRI activity.  
Level of anti-SARS-CoV-2 
antibodies added to evaluate the 
impact of evobrutinib on COVID-19 
vaccinations. 
 
x 
Updated the PF deterioration 
definition to a reduction of at least 
2.7 points on PROMIS PF score 
For consistency with the most 
recent IAP (version 2) and latest 
publication as 5 points was 
provisional. 
 
x 
Addition of Objectives and Endpoints 
table for the OLE Period 
For consistency with the changes 
implemented in Section 1.2. 
4.1 Study Design 
x 
Text revised to include OLE period 
and AEP  
Introduction of OLE for participants 
completing the DBTP prior to 
approval of the long-term follow-up 
study in their country to enable an 
option for evobrutinib treatment 
continuation. 
4.2 Scientific Rationale for 
Study Design 
x 
Text revised to include rationale for 
inclusion of OLE period. 
To define the rationale for the OLE 
period. 
4.4 End of Study Definition 
x 
Included End of Study Definition to 
OLE Period 
To define treatment completion for 
OLE period.  
5.3 Criteria for Entry into 
Open-label Extension Period 
5.3.1 Inclusion Criteria for 
Open-label Extension Period 
5.3.2 Exclusion Criteria for 
Open-label Extension Period 
x 
Added inclusion and exclusion 
criteria for entering into the OLE 
Period 
For consistency with the changes 
implemented in Section 1.2 and 
Section 4.1. 
5.4.2 Caffeine, Alcohol, and 
Tobacco 
x 
Text added to clarify alcohol 
consumption should be avoided 
during the study 
To clarify study procedures. 
6.3.2 Blinding 
x 
Clarification on blinding procedures 
for the bioanalytical laboratory   
To clarify study procedures. 
 
x 
Removal of Assignment Method 
Retention 
To clarify study procedures. 
6.5.3 Prohibited Medicines 
x 
Clarification for administration of 
prohibited medications 
(dalfampridine and CYP2C8 
substrates) during the OLE Period of 
the study 
To specify changes in prohibited 
medications during OLE period of 
the study. 
7.1 Discontinuation of Study 
Intervention 
x 
Modification of criteria leading to 
permanent IMP discontinuation after 
extended interruption beyond 
30 days 
To control the duration of IMP 
interruption to ensure an adequate 
safety monitoring as well as the 
data integrity impacted by the 
external uncontrolled situation (e.g., 
military, geopolitical conflicts)  
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
196/262 
 
 
 
x 
Addition of 2 new bullet points to 
include individual ALT/AST and 
individual total bilirubin elevation as 
criteria for permanent discontinuation 
of study treatment 
To further clarify that elevated levels 
of ALT/AST and bilirubin may not 
need to occur simultaneously to 
trigger permanent discontinuation of 
study treatment.  
 
x 
Text added to clarify liver function 
testing criteria 
To further clarify that confirmatory 
laboratory testing will be needed 
after initial elevation of ALT/AST 
levels before interruption of study 
intervention. 
8 Study Assessments and 
Procedures 
x 
Addition of assessments in the OLE 
Period 
x 
Addition of text describing AEP 
procedure 
x 
Included information that during 
unscheduled visits for relapse, EDSS 
assessment is required 
x 
Clarification that no telephone visits 
are to be performed in the study, but 
rather telephone contacts 
For consistency with changes 
implemented in the Section 1.2 and 
Section 4.1. 
To provide guidance on the AEP 
procedure required for the OLE 
period. 
To clarify study procedures. 
The term “telephone visit” was 
replaced with “telephone contact”, 
to clarify that a phone call is not 
replacing an on-site visit, because 
only limited topics are to be 
addressed during those calls. 
8.1.1 Neurological 
Assessment 
x 
Addition of details for neurological 
assessments performed in the OLE 
Period 
For consistency with changes 
implemented in Section 1.2 and 
Section 4.1. 
8.1.1.1. Qualified Relapse 
x 
Addition of further clarification on 
qualification of relapses 
For consistency with changes 
implemented in Section 1.2 and 
Section 4.1. 
8.1.1.4 Timed Twenty-Five 
Foot Walk 
8.1.1.5 Nine Hole Peg Test 
8.1.1.6 Symbol Digit Modalities 
Test 
x 
Added clarification that these 
assessments will be administered by 
qualified non-blinded site personnel 
during OLE period 
For consistency with changes 
implemented in Section 1.2 and 
Section 4.1. 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
x 
Correction of Screening MRI 
instructions and clarification on the 
blinding of MRI reports to the 
Treating Investigator 
x 
Added details regarding MRI 
assessments in a respective OLE 
MRI substudy 
Correction of erroneous text. 
Updated text to clarify that the 
study-related local radiologist’s MRI 
reports should not include details on 
MS-related pathology findings. 
MRI assessments in OLE Period 
were introduced according to 
changes made in Section 1.2 and 
Section 4.1. 
8.1.3.1 Patient Reported 
Outcomes Measurement 
Information System 
x 
Updated the PF deterioration 
definition to a reduction of at least 
2.7 points on PROMIS PF score 
For consistency with the most 
recent IAP (version 2) and latest 
publication as 5 points was 
provisional. 
8.1.3.4 WPAI: MS v2.0 (for 
OLE period only) 
x 
Added Work Productivity and Activity 
Impairment Questionnaire for 
assessment in the OLE Period 
To characterize the associations of 
work productivity and absenteeism 
with disability, fatigue, cognition, 
and health-related quality of life. 
8.2.3 Electrocardiograms 
x 
Added clarification to reflect that no 
central ECG evaluation by central 
reader is required in the OLE period 
According to changes introduced in 
Section 1.2 and Section 4.1. 
8.2.4 Clinical Safety 
Laboratory Assessments 
x 
The volume of whole blood collected 
for HBV DNA was increased to 4 mL 
To correct details of blood volume 
collection. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
197/262 
 
 
8.2.8 Independent Data 
Monitoring Committee, 
Endpoint Adjudication 
Committee, and Study 
Steering Committee 
x 
Added clarification that the EAC will 
be disbanded after the DBTP has 
ended as relapses will be qualified by 
the treating investigators in the OLE 
period 
According to changes introduced in 
Section 1.2 and Section 4.1. 
8.3.5 Pregnancy 
x 
Added clarification that participants 
who intend to become pregnant 
during the study will be discontinued 
study intervention 
To clarify study procedures. 
8.5 Pharmacokinetics 
x 
Added clarification that no blood 
samples for PK analysis will be 
collected from participants enrolled in 
the OLE 
According to changes introduced in 
Section 1.2 and Section 4.1. 
8.8 Biomarkers 
8.8.1 Biomarkers of Disease, 
Disease Activity and 
Progression, Drug-related 
Outcomes, and Treatment 
Response 
8.8.1.2 Novel Liver Function 
Biomarkers  
8.8.2 OLE Blood Biomarker 
PD Substudy – Biomarkers of 
Disease Activity, Progression 
and Response to Drug 
8.8.3 Gene Expression 
x 
Include the option to repurpose 
biomarker-of-disease-samples or 
NfL-biomarker samples for 
vaccination testing 
x 
Specification for collection of 
samples in OLE Period and OLE PD 
Substudy was added 
x 
Collection and analysis of samples 
for assessment of Novel Liver 
Function Protein Biomarkers and for 
gene expression analysis during OLE 
Period was added 
Evaluating the impact of disease-
modifying MS therapies on 
vaccinations has taken on greater 
importance during the COVID-19 
pandemic. 
To reflect assessment in OLE 
Period and to clarify that blood 
samples for gene expression will 
not be collected on OLE Period. 
9.2.3 Sample Size 
Considerations due to the 
Currently Escalating Crisis in 
Eastern Europe 
x 
Text was added to clarify enrollment 
numbers in the crisis region 
To clarify sample size 
considerations. 
9.3 Populations for Analyses 
 
x 
Added population for analysis during 
OLE Period 
According to changes introduced in 
Section 1.2 and Section 4.1. 
9.4.1 Efficacy Analyses 
x 
Added description of analyses of 
tertiary/exploratory endpoints NEP, 
Time to PIRA, Time to PIRMA, level 
of anti-SARS-CoV-2 antibodies, and 
NfL concentrations at additional 
timepoints 
For consistency with 
tertiary/exploratory objectives in 
Section 3. 
9.4.3.5 Analysis of Open-label 
Extension Period Endpoints 
x 
Added specification of OLE 
Endpoints 
According to changes introduced in 
Section 1.2 and Section 4.1. 
9.4.4 Sequence of Analyses 
x 
Final analysis was added according 
to added OLE Period 
According to changes introduced in 
Section 1.2 and Section 4.1. 
Appendix 5 Clinical Laboratory 
Tests 
x 
Added tests that will be only 
applicable to participants in the OLE 
Period, and indicated the tests that 
will not be applicable to those 
participants 
x 
Changes made to align with 
long-term follow-up protocol 
language 
According to changes introduced in 
Section 1.2. 
Appendix 8 Procedure for 
Accelerated Elimination of 
Teriflunomide 
x 
Clarification added to specify 
mandatory AEP procedure for 
participants entering OLE Period 
According to changes introduced in 
Section 1.2 and Section 4.1. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
198/262 
 
 
Appendix 10 Structured 
Interview at Telephone 
Contacts 
x 
Clarification that no telephone visits 
are to be performed in the study, but 
rather telephone contacts 
x 
Clarification that telephone contacts 
should occur every 4 weeks through 
Week 156 
The term “telephone visit” was 
replaced with “telephone contact”, 
to clarify that a phone call is not 
replacing an on-site visit, because 
only limited topics are to be 
addressed during those calls.  
Appendix 11 Guidance on 
Clinically Relevant CYP 
Inducers, Inhibitors, and 
Substrates 
x 
Added reference information for CYP 
inducers, inhibitors, and substrates 
Appendix added to provide 
guidance to Investigators. 
Throughout the document 
x 
Changes made to align with updated 
protocol template 
x 
Minor editorial and document 
formatting revisions 
Minor; therefore, have not been 
summarized. 
Protocol Version 5.0 (08 December 2022)  
This amendment is substantial based on the criteria in Article 10(a) of Directive 2001/20/EC of 
the European Parliament and the Council of the European Union. 
Overall Rationale for the Amendment 
The primary purpose of this amendment is: 
x Introduction of an OLE period for participants completing the DBTP prior to approval of the 
long-term follow-up study in their country to enable an option for evobrutinib treatment 
continuation 
x Addition of the following exploratory endpoints: 
o Time to PIRA and time to PIRMA (to evaluate the effect of treatment on progression not 
driven by relapse events or MRI activity) 
o NEP at Weeks 48, 96 
o Level of anti-SARS-CoV-2 antibodies 
A high-level description of each change is summarized below, along with its rationale. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
199/262 
 
 
Section # and Name 
Description of Change 
Brief Rationale 
1.1 Synopsis 
x 
Changes as per the main 
protocol text 
For consistency with the main 
protocol text.  
1.2 Schema 
x 
Updated to include OLE period 
and information about transfer 
points to long-term follow-up 
study 
Introduction of OLE period to 
allow participants to continue 
evobrutinib treatment if separate 
long-term follow-up study is not 
approved in their country. To 
provide further clarity of 
transitioning into the long-term 
follow-up study. 
1.3.1 Schedule of Activities – 
Double-blind Treatment Period 
x 
Clarification that no telephone 
visits are to be performed in the 
study, but rather telephone 
contacts 
x 
Clarification that telephone 
contacts should occur every 4 
weeks through Week 156 
The term “telephone visit” was 
replaced with “telephone contact”, 
to clarify that a phone call is not 
replacing an on-site visit, because 
only limited topics are to be 
addressed during those calls. 
To clarify study procedures  
 
x 
Urine pregnancy tests every 4 
weeks from Week 108 to Week 
156 were added 
x 
Notes for coagulation tests were 
added 
x 
Urinalysis (local) and vital signs 
were added at Week 156 
To clarify study procedures. 
 
x 
Clarification that the 
hepatic/autoimmune panel 
includes focused genetic testing 
(e.g., HFE) and that samples will 
only be collected and analyzed if 
elevated LFTs are observed 
To clarify that the 
hepatic/autoimmune panel 
performed in case of elevated 
LFTs contains a component of 
focused genetic testing. 
To clarify sample collection. 
 
x 
Removal of IP dispensation at 
Week 156 
To clarify study procedures. 
 
x 
Clarification that ECG is to be 
performed at Week 96 
Assessment at Week 96 was 
inadvertently omitted from 
previous protocol version (4.0); 
therefore, has been added to 
correct this inconsistency in study 
procedures. 
 
x 
Included detailed description of 
sample collection and use of 
novel liver function protein 
biomarkers 
To clarify sample collection. 
 
x 
Included information that during 
unscheduled visits for relapse, 
EDSS assessment is required.  
To clarify study procedures. 
 
x 
Included specification that novel 
liver function protein biomarkers 
were analyzed from serum, 
whereas novel liver function 
genomic biomarkers were 
analyzed from plasma  
To clarify distinction between 
samples. 
1.3.2 Schedule of Activities – 
Open-label Extension Period 
x 
Schedule of Activities for OLE 
period added 
To define study procedures to be 
conducted during the OLE period 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
200/262 
 
 
Section # and Name 
Description of Change 
Brief Rationale 
2.3 Benefit/Risk Assessment 
x 
Updated number of participants 
in completed and ongoing clinical 
studies with evobrutinib 
For consistency with the most 
recent IB and DSUR. 
3 Objectives and Estimands 
x 
Addition of exploratory endpoints: 
NEP at Weeks 48 or 96, Time to 
PIRA and PIRMA, and level of 
anti-SARS-CoV-2 antibodies 
NEP at Weeks 48 or 96 added to 
exploratory endpoints to further 
evaluate the effect of treatment on 
disease activity. 
Time to PIRA and time to PIRMA 
added to exploratory endpoints to 
evaluate the effect of treatment on 
progression not driven by relapse 
events or MRI activity.  
Level of anti-SARS-CoV-2 
antibodies added to evaluate the 
impact of evobrutinib on COVID-
19 vaccinations. 
 
x 
Updated the PF deterioration 
definition to a reduction of at 
least 2.7 points on PROMIS PF 
score 
For consistency with the most 
recent IAP (Version 2) and latest 
publication as 5 points was 
provisional. 
 
x 
Addition of Objectives and 
Endpoints table for the OLE 
Period 
For consistency with the changes 
implemented in Section 1.2. 
4.1 Study Design 
x 
Text revised to include OLE 
period and AEP  
Introduction of OLE for 
participants completing the DBTP 
prior to approval of the long-term 
follow-up study in their country to 
enable an option for evobrutinib 
treatment continuation 
4.2 Scientific Rationale for 
Study Design 
x 
Text revised to include rationale 
for inclusion of OLE period. 
To define the rationale for the 
OLE period. 
4.4 End of Study Definition 
x 
Included End of Study Definition 
to OLE Period 
To define treatment completion for 
OLE period  
5.3 Criteria for Entry into Open 
Label Extension Period 
5.3.1 Inclusion Criteria for 
Open Label Extension Period 
5.3.2 Exclusion Criteria for 
Open Label Extension Period 
x 
Added inclusion and exclusion 
criteria for entering into the OLE 
Period 
For consistency with the changes 
implemented in Section 1.2 and 
Section 4.1. 
5.4.2 Caffeine, Alcohol, and 
Tobacco 
x 
Text added to clarify alcohol 
consumption should be avoided 
during the study 
To clarify study procedures. 
6.3.2 Blinding 
x 
Clarification on blinding 
procedures for the bioanalytical 
laboratory  
To clarify study procedures. 
 
x 
Removal of Assignment Method 
Retention 
To clarify study procedures. 
6.5.3 Prohibited Medicines 
x 
Clarification for administration of 
prohibited medications 
(dalfampridine, fampridine, and 
CYP2C8 substrates) during the 
OLE Period of the study 
To specify changes in prohibited 
medications during OLE period of 
the study. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
201/262 
 
 
Section # and Name 
Description of Change 
Brief Rationale 
7.1 Discontinuation of Study 
Intervention 
x 
Modification of criteria leading to 
permanent IMP discontinuation 
after extended interruption 
beyond 30 days 
To control the duration of IMP 
interruption to ensure an adequate 
safety monitoring as well as the 
data integrity impacted by the 
external uncontrolled situation 
(e.g., military, geopolitical 
conflicts)  
 
x 
Addition of 2 new bullet points to 
include individual ALT/AST and 
individual total bilirubin elevation 
as criteria for permanent 
discontinuation of study 
treatment 
To further clarify that elevated 
levels of ALT/AST and bilirubin 
may not need to occur 
simultaneously to trigger 
permanent discontinuation of 
study treatment.  
 
x 
Text added to clarify liver function 
testing criteria 
To further clarify that confirmatory 
laboratory testing will be needed 
after initial elevation of ALT/AST 
levels before interruption of study 
intervention 
8 Study Assessments and 
Procedures 
x 
Addition of assessments in the 
OLE Period 
x 
Addition of text describing AEP 
procedure 
x 
Included information that during 
unscheduled visits for relapse, 
EDSS assessment is required 
x 
Clarification that no telephone 
visits are to be performed in the 
study, but rather telephone 
contacts 
For consistency with changes 
implemented in the Section 1.2 
and Section 4.1. 
To provide guidance on the AEP 
procedure required for the OLE 
period 
To clarify study procedures 
The term “telephone visit” was 
replaced with “telephone contact”, 
to clarify that a phone call is not 
replacing an on-site visit, because 
only limited topics are to be 
addressed during those calls 
8.1.1 Neurological 
Assessment 
x 
Addition of details for 
neurological assessments 
performed in the OLE Period 
For consistency with changes 
implemented in Section 1.2 and 
Section 4.1. 
8.1.1.1. Qualified Relapse 
x 
Addition of further clarification on 
qualification of relapses. 
For consistency with changes 
implemented in Section 1.2 and 
Section 4.1. 
8.1.1.4 Timed Twenty-Five 
Foot Walk 
8.1.1.5 Nine Hole Peg Test 
8.1.1.6 Symbol Digit Modalities 
Test 
x 
Added clarification that these 
assessments will be administered 
by qualified non-blinded site 
personnel during OLE period 
For consistency with changes 
implemented in Section 1.2 and 
Section 4.1. 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
x 
Correction of Screening MRI 
instructions and clarification on 
the blinding of MRI reports to the 
Treating Investigator 
x 
Added details regarding MRI 
assessments in a respective OLE 
MRI substudy 
Correction of erroneous text. 
Updated text to clarify that the 
study-related local radiologist’s 
MRI reports should not include 
details on MS-related pathology 
findings. 
MRI assessments in OLE Period 
were introduced according to 
changes made in Section 1.2 and 
Section 4.1. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
202/262 
 
 
Section # and Name 
Description of Change 
Brief Rationale 
8.1.3.1 Patient Reported 
Outcomes Measurement 
Information System 
x 
Updated the PF deterioration 
definition to a reduction of at 
least 2.7 points on PROMIS PF 
score 
For consistency with the most 
recent IAP (version 2) and latest 
publication as 5 points was 
provisional. 
8.1.3.4 WPAI: MS v2.0 (for 
OLE period only) 
x 
Added Work Productivity and 
Activity Impairment 
Questionnaire for assessment in 
the OLE Period 
To characterize the associations 
of work productivity and 
absenteeism with disability, 
fatigue, cognition, and health-
related quality of life. 
8.2.3 Electrocardiograms 
x 
Added clarification to reflect that 
no central ECG evaluation by 
central reader is required in the 
OLE period 
According to changes introduced 
in Section 1.2 and Section 4.1. 
8.2.4 Clinical Safety 
Laboratory Assessments 
x 
The volume of whole blood 
collected for HBV DNA was 
increased to 4 mL 
To correct details of blood volume 
collection 
8.2.8 Independent Data 
Monitoring Committee, 
Endpoint Adjudication 
Committee, and Study 
Steering Committee 
x 
Added clarification that the EAC 
will be disbanded after the DBTP 
has ended as relapses will be 
qualified by the Treating 
Investigators in the OLE period. 
According to changes introduced 
in Section 1.2 and Section 4.1. 
8.3.5 Pregnancy 
x 
Added clarification that 
participants who intend to 
become pregnant during the 
study will be discontinued study 
intervention 
To clarify study procedures 
8.5 Pharmacokinetics 
x 
Added clarification that no blood 
samples for PK analysis will be 
collected from participants 
enrolled in the OLE. 
According to changes introduced 
in Section 1.2 and Section 4.1. 
8.8 Biomarkers 
8.8.1 Biomarkers of Disease, 
Disease Activity and 
Progression, Drug-related 
Outcomes, and Treatment 
Response 
8.8.1.2 Novel Liver Function 
Biomarkers  
8.8.2 OLE Blood Biomarker 
PD Substudy – Biomarkers of 
Disease Activity, Progression 
and Response to Drug 
8.8.3 Gene Expression 
x 
Include the option to repurpose 
biomarker-of-disease-samples or 
NfL-biomarker samples for 
vaccination testing 
x 
Specification for collection of 
samples in OLE Period and OLE 
PD Substudy was added 
x 
Collection and analysis of 
samples for assessment of Novel 
Liver Function Protein 
Biomarkers and for gene 
expression analysis during OLE 
Period was added 
Evaluating the impact of disease-
modifying MS therapies on 
vaccinations has taken on greater 
importance during the COVID-19 
pandemic. 
To reflect assessment in OLE 
Period and to clarify that blood 
samples for gene expression will 
not be collected on OLE Period. 
9.2.3 Sample Size 
Considerations due to the 
Currently Escalating Crisis in 
Eastern Europe 
x 
Text was added to clarify 
enrollment numbers in the crisis 
region. 
To clarify sample size 
considerations. 
9.3 Populations for Analyses 
x 
Added population for analysis 
during OLE Period 
According to changes introduced 
in Section 1.2 and Section 4.1. 
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Section # and Name 
Description of Change 
Brief Rationale 
9.4.1 Efficacy Analyses 
x 
Added description of analyses of 
tertiary/exploratory endpoints 
NEP, Time to PIRA, Time to 
PIRMA, level of anti-SARS-CoV-
2 antibodies, and NfL 
concentrations at additional 
timepoints 
For consistency with 
tertiary/exploratory objectives in 
Section 3 
9.4.3.5 Analysis of Open Label 
Extension Period Endpoints 
x 
Added specification of OLE 
Endpoints 
According to changes introduced 
in Section 1.2 and Section 4.1. 
9.4.4 Sequence of Analyses 
x 
Final analysis was added 
according to added OLE Period 
According to changes introduced 
in Section 1.2 and Section 4.1. 
Appendix 5 Clinical Laboratory 
Tests 
x 
Added tests that will be only 
applicable to participants in the 
OLE Period and indicated the 
tests that will not be applicable to 
those participants. 
x 
Changes made to align with 
long-term follow-up protocol 
language 
According to changes introduced 
in Section 1.2. 
Appendix 8 Procedure for 
Accelerated Elimination of 
Teriflunomide 
x 
Clarification added to specify 
mandatory AEP procedure for 
participants entering OLE Period 
According to changes introduced 
in Section 1.2 and Section 4.1. 
Appendix 10 Structured 
Interview at Telephone 
Contacts 
x 
Clarification that no telephone 
visits are to be performed in the 
study, but rather telephone 
contacts. 
x 
Clarification that telephone 
contacts should occur every 4 
weeks through Week 156 
The term “telephone visit” was 
replaced with “telephone contact”, 
to clarify that a phone call is not 
replacing an on-site visit, because 
only limited topics are to be 
addressed during those calls.  
Appendix 11 Guidance on 
Clinically Relevant CYP 
Inducers, Inhibitors, and 
Substrates 
x 
Added reference information for 
CYP inducers, inhibitors, and 
substrates 
Appendix added to provide 
guidance to Investigators 
Throughout the document 
x 
Changes made to align with 
updated protocol template. 
x 
Minor editorial and document 
formatting revisions.  
Minor; therefore, have not been 
summarized. 
Protocol Version 4.2-LTU (26 April 2022)  
This amendment is substantial based on the criteria in Article 10(a) of Directive 2001/20/EC of 
the European Parliament and the Council of the European Union. 
Overall Rationale for the Amendment 
The primary purpose of this amendment is to align the Lithuania-specific protocol with Version 4.0 
(global Protocol Version 4.0; 03 April 2022), in which required changes to the study design, 
duration, and statistical analyses were implemented as critical measures to ensure that the validity 
of the study data and the integrity of the study results are preserved despite the foreseen impact of 
the currently escalating crisis in Eastern Europe.  
A high-level description of each change is summarized below, along with its rationale. 
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Section # and Name 
Description of Change 
Brief Rationale 
1.1 Synopsis 
x 
Revision of treatment duration and 
corresponding update of endpoints as 
applicable. 
x 
Addition of secondary endpoints: Time 
to first occurrence of 24-week CDI and 
Week 12 NfL concentration. 
x 
Modification of secondary PROMIS 
endpoints from CFB “at” 96 weeks to 
CFB “over” 96 weeks. Modification of 
population-level summary from 
difference of least-squares means at 
96 weeks to difference of average 
least-squares means, with average 
taken over a set of timepoints ending 
with Week 96.  
x 
Modification of secondary MRI 
endpoint from “total number of T1 Gd+ 
lesions based on assessments at 
Week 24, Week 48, and Week 96” to 
“total number of T1 Gd+ lesions based 
on all available MRI scans.” 
x 
Modification of secondary MRI 
endpoint from “total number of new or 
enlarging T2 lesions based on 
assessments at Week 24, Week 48, 
and Week 96” to “number of new or 
enlarging T2 lesions on the last 
available MRI scan relative to the 
baseline MRI scan.” 
x 
Inclusion of intercurrent event 
“Ukraine crisis” and strategy for 
handling. 
x 
Removal of endpoints in the OLE 
Period. 
x 
Inclusion of opportunity to enter a 
long-term follow-up study under a new 
protocol for participants after 
completion of evobrutinib treatment 
under the current protocol. 
x 
Update to sample size. 
For consistency with the main 
protocol text.  
1.2 Schema 
Revision of the treatment duration from 
fixed 96 weeks to variable duration up to 
156 weeks. 
To ensure primary and 
important secondary 
endpoints are adequately 
powered despite loss of data 
from participants at sites in 
Ukraine, Russian Federation, 
and Belarus. 
 
 
Removal of OLE Period. 
Due to the extended study 
duration and the planned 
transition of all eligible study 
completers to the long-term 
follow-up study under a new 
protocol, the OLE Period is no 
longer needed. 
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Section # and Name 
Description of Change 
Brief Rationale 
 
Removal of the mandatory AEP for male 
participants prior to entry into the OLE 
Period in line with removal of the OLE 
Period. 
To ensure consistency after 
removal of the OLE Period, 
and to ensure consistency in 
evaluation of safety and 
efficacy for all participants 
entering the long-term follow-
up study. 
Furthermore, removal of the 
OLE Period and the 
mandatory AEP related to 
teriflunomide reduces the risk 
of unblinding due to the 
variable AEP duration. 
1.3 Schedule of Activities 
x 
Inclusion of regular study visits up to 
Week 156. 
x 
Section renumbered from 1.3.1 
Schedule of Activities: Screening and 
Treatment Period (All Participants), 
End of Study (Participants Not 
Entering Open Label Extension 
Period) to 1.3 Schedule of Activities. 
x 
For alignment with the 
revised study duration 
from 96 weeks to 
156 weeks. 
x 
For consistency with the 
removal of the Schedule of 
Activities for the OLE 
Period. 
1.3.2 Schedule of Activities - 
Optional Open Label 
Extension Period 
Removal of the Schedule of Activities for 
the OLE Period. 
For consistency with the 
changes in study design, 
including the removal of the 
OLE Period.  
3 Objectives and Estimands 
Revision of treatment duration and 
corresponding update of endpoints as 
applicable. 
For consistency with the study 
design change from fixed 
treatment duration to variable 
treatment duration. 
 
Addition of secondary endpoints: Time to 
first occurrence of 24-week CDI and 
Week 12 NfL concentration. 
CDI endpoint added to 
secondary endpoints to 
explore treatment effect on 
additional clinically relevant 
endpoint for disability. 
Week 12 NfL concentration 
added to investigate early 
impact of treatment on 
reducing neuronal damage. 
 
Modification of secondary PROMIS 
endpoints from CFB “at” 96 weeks to CFB 
“over” 96 weeks. Modification of 
population-level summary from difference 
of least-squares means at 96 weeks to 
difference of average least-squares 
means, with average taken over a set of 
timepoints ending with Week 96. 
For consistency with the study 
design change from fixed 
treatment duration to variable 
treatment duration. 
 
x 
Modification of secondary MRI 
endpoint from “total number of T1 Gd+ 
lesions based on assessments at 
Week 24, Week 48, and Week 96” to 
“total number of T1 Gd+ lesions based 
on all available MRI scans.”   
x 
Modification of secondary MRI 
endpoint from “total number of new or 
enlarging T2 lesions based on 
assessments at Week 24, Week 48, 
and Week 96” to “number of new or 
For consistency with the study 
design change from fixed 
treatment duration to variable 
treatment duration. 
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Section # and Name 
Description of Change 
Brief Rationale 
enlarging T2 lesions on the last 
available MRI scan relative to the 
baseline scan.” 
 
Inclusion of intercurrent event “Ukraine 
crisis” and strategy for handling. 
To reflect intercurrent event 
leading to study design 
change. 
 
Modification of tertiary MRI endpoint from 
“total number of CUA lesions based on 
assessments up to Week 96” to “total 
number of CUA lesions based on all 
available MRI scans.” Modification of 
tertiary MRI endpoint from “total number 
of new T1 hypo-intense lesions based on 
assessments up to Week 96” to “total 
number of new T1 hypo-intense lesions 
based on all available MRI scans.” 
For consistency with the study 
design change from fixed 
treatment duration to variable 
treatment duration. 
 
Removal of Objectives and Endpoints for 
the OLE Period. 
For consistency with the 
changes in study design, 
including the removal of the 
OLE Period. 
4.1 Overall Design 
Inclusion of opportunity to enter a 
long-term follow-up study under a new 
protocol for participants after completion 
of evobrutinib treatment under the current 
protocol. 
A new study will allow 
participants who completed 
the double-blind treatment 
period in the current protocol 
to enroll in a new, single-arm 
long-term follow-up study, 
which will also include 
participants who completed 
other RMS studies with 
evobrutinib. The text of the 
protocol has been amended to 
describe a transition 
opportunity to this long-term 
follow-up study.  
 
Revised planned number of participants. 
For consistency with changes 
in Section 9.2 
4.4 End of Study Definition 
Added clarification that treatment 
completers who enter the long-term 
follow-up study and do not require a 
Safety Follow-up Visit are also considered 
study completers. 
For consistency with the 
change in study design. 
5.3 Criteria for Entry into Open 
Label Extension Period 
Removal of separate criteria for entry into 
OLE Period. 
For consistency with the 
changes in study design, 
including the removal of the 
OLE Period. 
6.3.2 Blinding 
Time point of unblinding was updated to 
after having reached the primary analysis 
trigger. 
For consistency with the 
increased study duration, 
updated statistical analyses, 
and removal of the OLE 
Period. 
6.5.3 Prohibited Medicines 
x 
Correction from "(including 
evobrutinib)" to "(excluding 
evobrutinib)". 
x 
Removal of prohibited medicines 
specific for the OLE Period. 
x 
Correction of typographical 
error. 
x 
For consistency with the 
removal of the OLE 
Period. 
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Section # and Name 
Description of Change 
Brief Rationale 
8.1.1.3 Confirmed Disability 
Improvement 
Addition of definitions for CDI. 
For clarification. 
8.3.4 Regulatory Reporting 
Requirements for Serious 
Adverse Events 
Text on SUSAR reporting was updated in 
line with the latest protocol template. 
To comply with changes to the 
protocol template, which 
includes a clarified text on the 
SUSAR reporting process. 
8.8 Biomarkers 
Approximate blood volume planned to be 
collected during the study was updated. 
To reflect the increased 
duration including additional 
visits and associated 
sampling. 
8.8.1.1 Neurofilament Light 
Chain 
x 
Added detailed information on NfL as 
biomarker of disease, corresponding 
to the inclusion of NfL as a new 
secondary endpoint. 
x 
NfL has emerged as a 
potential biomarker for 
disease activity and 
treatment monitoring of 
patients with MS. 
Additional information 
added to support the 
inclusion of NfL as 
secondary endpoint. 
9.1.2 Statistical Hypotheses 
Related to Secondary 
Objectives 
x 
Added description of hypotheses 
regarding secondary endpoints. Time 
to 24-Week CDI and Week 12 NfL 
concentration.  
x 
To pre-specify hypotheses 
regarding all secondary 
endpoints in protocol. 
9.2.1 Sample Size for Primary 
Endpoint: ARR 
x 
Added equation 9.2.1 for the 
information for ARR provided by a 
given sample size, followed for a 
common follow-up time.  
x 
The target information 
required to adequately 
power the ARR endpoint 
should be pre-specified, as 
the primary analysis will be 
triggered by achieving the 
target information in both 
studies, plus target CDP 
events pooled.  
9.2.2 Sample Size for 
Secondary Endpoint: 12-week 
CDP 
x 
Revised the assumption on treatment 
effect on 12-week CDP endpoint from 
HR = 0.7 to HR = 0.66. 
x 
Summarized the outcome of the 
optional IA for BSSR. 
x 
Evobrutinib is considered 
to have efficacy similar to 
that of anti-CD20 
therapies. Therefore, 
recent reporting of HR = 
0.66 (Hauser et al 2020), 
comparing hazard of first 
12-week CDP event 
between ofatumumab and 
teriflunomide, is used to 
revise the assumption of 
the 12-week CDP 
treatment effect. 
x 
To clarify action taken 
previously (when IA for 
BSSR was conducted in 
August 2021) to ensure 
adequate power for 12-
week CDP. 
9.2.3 Sample Size 
Considerations due to the 
Currently Escalating Crisis in 
Eastern Europe 
Added description of re-opening of 
enrollment driven by loss of data due to 
the currently escalating crisis in Eastern 
Europe. 
To ensure primary and 
important secondary 
endpoints are adequately 
powered despite loss of data 
from participants at sites in 
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Section # and Name 
Description of Change 
Brief Rationale 
Ukraine, Russian Federation, 
and Belarus. 
9.3 Population for Analyses 
x 
Inclusion of modified analysis sets 
(mFAS and mSAF). 
x 
Removal of analysis set specific for 
the OLE Period. 
x 
To address potential lack 
of data robustness for data 
from participants and sites 
in Ukraine, Russian 
Federation, and Belarus. 
x 
For consistency with the 
removal of the OLE 
Period. 
9.4.1 Efficacy Analyses 
x 
Updated ARR endpoint to indicate “up 
to 156 weeks”. 
x 
Modification of secondary PROMIS 
and MRI endpoints. 
x 
Added description of analyses of 
secondary endpoints Time to 
24-Week CDI and Week 12 NfL 
concentration. 
x 
For consistency with 
change to study from fixed 
to variable treatment 
duration. 
x 
For consistency with the 
secondary PROMIS and 
MRI objective in Section 3. 
x 
To pre-specify analyses of 
all secondary endpoints 
and most exploratory 
endpoints in the protocol.  
9.4.1.1 Efficacy Analyses 
Related to Primary Objective 
x 
Updated ARR endpoint to indicate “up 
to 156 weeks”. 
x 
Updated intercurrent event strategy to 
include “Ukraine crisis” as intercurrent 
event. 
x 
For consistency with 
change to study from fixed 
to variable treatment 
duration. 
x 
To reflect intercurrent 
event leading to study 
design change. 
9.4.1.2 Efficacy Analyses 
Related to Secondary 
Objectives 
x 
Updated intercurrent event strategy to 
include “Ukraine crisis” as intercurrent 
event. 
x 
Modification of secondary PROMIS 
and MRI endpoints. 
x 
Added description of analyses of 
secondary endpoints Time-to-
24-Week CDI and Week 12 NfL 
concentration, including estimand 
framework details. 
x 
To reflect intercurrent 
event leading to study 
design change. 
x 
For consistency with the 
secondary PROMIS and 
MRI objective in Section 3. 
x 
To pre-specify analyses of 
all secondary endpoints in 
the protocol, including 
estimand framework 
details.  
9.4.1.3 Sensitivity Analyses 
Updated sensitivity analyses. 
For consistency with change 
to study from fixed to variable 
treatment duration and to 
evaluate the impact of the 
currently escalating crisis in 
Eastern Europe. 
9.4.4 Sequence of Analyses 
Removal of Final Analysis at the end of 
OLE. 
For consistency with removal 
of OLE Period. 
9.4.4.1 Optional Interim 
Analysis for Blinded Sample 
Size Re-estimation 
Summarized the outcome of the optional 
IA for BSSR. 
To clarify action taken 
previously (when IA for BSSR 
was conducted in August 
2021) to ensure adequate 
power for 12-week CDP. 
9.4.4.2 Primary Analysis 
x 
Described trigger for primary analysis 
based on achieving sufficient 
information for ARR in each study and 
x 
For consistency with 
change to study from fixed 
to variable treatment 
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Section # and Name 
Description of Change 
Brief Rationale 
sufficient 12-week CDP events from 
pooled studies. 
x 
Added Equation 9.4.4 for blinded 
monitoring of information for ARR 
provided by a study. 
duration, where primary 
analysis is information 
driven. 
x 
The information should be 
monitored for each study, 
as the target information 
needs to be met for each 
study before the primary 
analysis can be triggered. 
9.4.4.3 Multiplicity 
Updated multiple testing strategy to 
incorporate addition of 2 secondary 
endpoints, minor change to testing order 
(CDI endpoint tested prior to PRO 
endpoints), and minor correction to alpha 
level for pooled tests. Multiplicity graph 
updated to depict the strategy update. 
To ensure that the multiple 
testing strategy provides a 
more complete picture of 
treatment effect on EDSS and 
NfL levels. Alpha level at 
which pooled tests are to be 
conducted was corrected from 
0.025 to 0.024375 based on 
Bretz 2019.  
10 References  
x 
Addition of Bretz 2019.  
x 
Addition of Kuhle 2016, Kuhle 2017, 
Kuhle 2021, Disanto 2017, Piehl 2018, 
Novakova 2017, Barro 2018. 
x 
Update of Hauser 2019 to 
Hauser 2020. 
x 
Addition in line with 
changes in 
Section 9.4.4.3.  
x 
Addition in line with 
changes in 
Section 8.8.1.1. 
x 
Full publication has 
become available. 
Appendix 4 Definitions and 
Procedures for Recording, 
Evaluating, Follow-up, and 
Reporting 
x 
Updated serious adverse event 
reporting requirements  
x 
Text on SUSAR reporting was 
updated in line with the latest protocol 
template. 
To comply with changes to 
protocol template, which 
clarifies the SAE and SUSAR 
reporting process. 
Appendix 8 Procedure for 
Accelerated Elimination of 
Teriflunomide 
Removal of the mandatory AEP for male 
participants prior to entry into the OLE 
Period. 
To ensure consistency after 
removal of the OLE Period, to 
avoid potential unblinding due 
to variability in duration of 
AEP; and in evaluation of 
safety and efficacy for all 
participants entering the long-
term follow-up study. 
Throughout the document 
Changes made to align with updated 
protocol template. 
Minor editorial and document formatting 
revisions. 
Minor; therefore, have not 
been summarized. 
Protocol Version 4.1-CAN (20 April 2022)  
This amendment is substantial based on the criteria in Article 10(a) of Directive 2001/20/EC of 
the European Parliament and the Council of the European Union. 
Overall Rationale for the Amendment 
The primary purpose of this amendment is to align the Canada-specific protocol with Version 4.0 
(global Protocol Version 4.0; 03 April 2022), in which required changes to the study design, 
duration, and statistical analyses were implemented as critical measures to ensure that the validity 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
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of the study data and the integrity of the study results are preserved despite the foreseen impact of 
the currently escalating crisis in Eastern Europe.  
A high-level description of each change is summarized below, along with its rationale. 
 
Section # and Name 
Description of Change 
Brief Rationale 
Synopsis 
x 
Revision of treatment duration and 
corresponding update of endpoints as 
applicable. 
x 
Addition of secondary endpoints: Time to 
first occurrence of 24-week CDI and 
Week 12 NfL concentration. 
x 
Modification of secondary PROMIS 
endpoints from CFB “at” 96 weeks to CFB 
“over” 96 weeks. Modification of 
population-level summary from difference 
of least-squares means at 96 weeks to 
difference of average least-squares 
means, with average taken over a set of 
timepoints ending with Week 96.  
x 
Modification of secondary MRI endpoint 
from “total number of T1 Gd+ lesions 
based on assessments at Week 24, 
Week 48, and Week 96” to “total number 
of T1 Gd+ lesions based on all available 
MRI scans.” 
x 
Modification of secondary MRI endpoint 
from “total number of new or enlarging T2 
lesions based on assessments at Week 
24, Week 48, and Week 96” to “number of 
new or enlarging T2 lesions on the last 
available MRI scan relative to the 
baseline MRI scan.” 
x 
Inclusion of intercurrent event “Ukraine 
crisis” and strategy for handling. 
x 
Removal of endpoints in the OLE Period. 
x 
Inclusion of opportunity to enter a long-
term follow-up study under a new protocol 
for participants after completion of 
evobrutinib treatment under the current 
protocol. 
x 
Update to sample size 
For consistency with the main 
protocol text.  
1.2 Schema 
Revision of the treatment duration from fixed 
96 weeks to variable duration up to 
156 weeks. 
To ensure primary and 
important secondary 
endpoints are adequately 
powered despite loss of data 
from participants at sites in 
Ukraine, Russian Federation, 
and Belarus. 
 
 
Removal of OLE Period.  
Due to the extended study 
duration and the planned 
transition of all eligible study 
completers to the long-term 
follow-up study under a new 
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Section # and Name 
Description of Change 
Brief Rationale 
protocol, the OLE Period is no 
longer needed. 
 
Removal of the mandatory AEP for male 
participants prior to entry into the OLE Period 
in line with removal of the OLE Period. 
To ensure consistency after 
removal of the OLE Period, 
and to ensure consistency in 
evaluation of safety and 
efficacy for all participants 
entering the long-term follow-
up study. 
Furthermore, removal of the 
OLE Period and the 
mandatory AEP related to 
teriflunomide reduces the risk 
of unblinding due to the 
variable AEP duration. 
1.3 Schedule of Activities 
x 
Inclusion of regular study visits up to 
Week 156. 
x 
Section renumbered from 1.3.1 Schedule 
of Activities: Screening and Treatment 
Period (All Participants), End of Study 
(Participants Not Entering Open Label 
Extension Period) to 1.3 Schedule of 
Activities. 
x 
For alignment with the 
revised study duration 
from 96 weeks to 
156 weeks. 
x 
For consistency with the 
removal of the Schedule of 
Activities for the OLE 
Period. 
1.3.2 Schedule of Activities 
- Optional Open Label 
Extension Period 
Removal of the Schedule of Activities for the 
OLE Period. 
For consistency with the 
changes in study design, 
including the removal of the 
OLE Period.  
3 Objectives and 
Estimands 
Revision of treatment duration and 
corresponding update of endpoints as 
applicable. 
For consistency with the study 
design change from fixed 
treatment duration to variable 
treatment duration. 
 
Addition of secondary endpoints: Time to first 
occurrence of 24-week CDI and Week 12 NfL 
concentration. 
CDI endpoint added to 
secondary endpoints to 
explore treatment effect on 
additional clinically relevant 
endpoint for disability. 
Week 12 NfL concentration 
added to investigate early 
impact of treatment on 
reducing neuronal damage. 
 
Modification of secondary PROMIS endpoints 
from CFB “at” 96 weeks to CFB “over” 96 
weeks. Modification of population-level 
summary from difference of least-squares 
means at 96 weeks to difference of average 
least-squares means, with average taken 
over a set of timepoints ending with Week 96. 
For consistency with the study 
design change from fixed 
treatment duration to variable 
treatment duration. 
 
x 
Modification of secondary MRI endpoint 
from “total number of T1 Gd+ lesions 
based on assessments at Week 24, 
Week 48, and Week 96” to “total number 
of T1 Gd+ lesions based on all available 
MRI scans.”   
x 
Modification of secondary MRI endpoint 
from “total number of new or enlarging T2 
lesions based on assessments at Week 
For consistency with the study 
design change from fixed 
treatment duration to variable 
treatment duration. 
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Section # and Name 
Description of Change 
Brief Rationale 
24, Week 48, and Week 96” to “number of 
new or enlarging T2 lesions on the last 
available MRI scan relative to the 
baseline scan.” 
 
Inclusion of intercurrent event “Ukraine crisis” 
and strategy for handling 
To reflect intercurrent event 
leading to study design 
change. 
 
Modification of tertiary MRI endpoint from 
“total number of CUA lesions based on 
assessments up to Week 96” to “total number 
of CUA lesions based on all available MRI 
scans.” Modification of tertiary MRI endpoint 
from “total number of new T1 hypo-intense 
lesions based on assessments up to Week 
96” to “total number of new T1 hypo-intense 
lesions based on all available MRI scans.” 
For consistency with the study 
design change from fixed 
treatment duration to variable 
treatment duration. 
 
Removal of Objectives and Endpoints for the 
OLE Period. 
For consistency with the 
changes in study design, 
including the removal of the 
OLE Period. 
4.1 Overall Design 
Inclusion of opportunity to enter a long-term 
follow-up study under a new protocol for 
participants after completion of evobrutinib 
treatment under the current protocol. 
A new study will allow 
participants who completed 
the double-blind treatment 
period in the current protocol 
to enroll in a new, single-arm 
long-term follow-up study, 
which will also include 
participants who completed 
other RMS studies with 
evobrutinib. The text of the 
protocol has been amended to 
describe a transition 
opportunity to this long-term 
follow-up study.  
 
Revised planned number of participants 
For consistency with changes 
in Section 9.2 
4.4 End of Study Definition 
Added clarification that treatment completers 
who enter the long-term follow-up study and 
do not require a Safety Follow-up Visit are 
also considered study completers. 
For consistency with the 
change in study design. 
5.3 Criteria for Entry into 
Open Label Extension 
Period 
Removal of separate criteria for entry into 
OLE Period. 
For consistency with the 
changes in study design, 
including the removal of the 
OLE Period. 
6.3.2 Blinding 
Time point of unblinding was updated to after 
having reached the primary analysis trigger. 
For consistency with the 
increased study duration, 
updated statistical analyses, 
and removal of the OLE 
Period. 
6.5.3 Prohibited Medicines 
x 
Correction from "(including evobrutinib)" 
to "(excluding evobrutinib)". 
x 
Removal of prohibited medicines specific 
for the OLE Period. 
x 
Correction of typographical 
error. 
x 
For consistency with the 
removal of the OLE 
Period. 
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Section # and Name 
Description of Change 
Brief Rationale 
8.1.1.3 Confirmed 
Disability Improvement 
Addition of definitions for CDI. 
For clarification. 
8.3.4 Regulatory Reporting 
Requirements for Serious 
Adverse Events 
Text on SUSAR reporting was updated in line 
with the latest protocol template. 
To comply with changes to the 
protocol template, which 
includes a clarified text on the 
SUSAR reporting process. 
8.8 Biomarkers 
Approximate blood volume planned to be 
collected during the study was updated. 
To reflect the increased 
duration including additional 
visits and associated 
sampling. 
8.8.1.1 Neurofilament Light 
Chain 
x 
Added detailed information on NfL as 
biomarker of disease, corresponding to 
the inclusion of NfL as a new secondary 
endpoint. 
x 
NfL has emerged as a 
potential biomarker for 
disease activity and 
treatment monitoring of 
patients with MS. 
Additional information 
added to support the 
inclusion of NfL as 
secondary endpoint. 
9.1.2 Statistical 
Hypotheses Related to 
Secondary Objectives 
x 
Added description of hypotheses 
regarding secondary endpoints Time to 
24-Week CDI and Week 12 NfL 
concentration  
x 
To pre-specify hypotheses 
regarding all secondary 
endpoints in protocol. 
9.2.1 Sample Size for 
Primary Endpoint: ARR 
x 
Added equation 9.2.1 for the information 
for ARR provided by a given sample size, 
followed for a common follow-up time.  
x 
The target information 
required to adequately 
power the ARR endpoint 
should be pre-specified, as 
the primary analysis will be 
triggered by achieving the 
target information in both 
studies, plus target CDP 
events pooled.  
9.2.2 Sample Size for 
Secondary Endpoint: 12-
week CDP 
x 
Revised the assumption on treatment 
effect on 12-week CDP endpoint from 
HR = 0.7 to HR = 0.66. 
x 
Summarized the outcome of the optional 
IA for BSSR. 
x 
Evobrutinib is considered 
to have efficacy similar to 
that of anti-CD20 
therapies. Therefore, 
recent reporting of HR = 
0.66 (Hauser et al 2020), 
comparing hazard of first 
12-week CDP event 
between ofatumumab and 
teriflunomide, is used to 
revise the assumption of 
the 12-week CDP 
treatment effect. 
x 
To clarify action taken 
previously (when IA for 
BSSR was conducted in 
August 2021) to ensure 
adequate power for 12-
week CDP. 
9.2.3 Sample Size 
Considerations due to the 
Currently Escalating Crisis 
in Eastern Europe 
Added description of re-opening of enrollment 
driven by loss of data due to the currently 
escalating crisis in Eastern Europe. 
To ensure primary and 
important secondary 
endpoints are adequately 
powered despite loss of data 
from participants at sites in 
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Section # and Name 
Description of Change 
Brief Rationale 
Ukraine, Russian Federation, 
and Belarus. 
9.3 Population for 
Analyses 
x 
Inclusion of modified analysis sets (mFAS 
and mSAF) 
x 
Removal of analysis set specific for the 
OLE Period. 
x 
To address potential lack 
of data robustness for data 
from participants and sites 
in Ukraine, Russian 
Federation, and Belarus. 
x 
For consistency with the 
removal of the OLE 
Period. 
9.4.1 Efficacy Analyses 
x 
Updated ARR endpoint to indicate “up to 
156 weeks”. 
x 
Modification of secondary PROMIS and 
MRI endpoints. 
x 
Added description of analyses of 
secondary endpoints Time to 24-Week 
CDI and Week 12 NfL concentration. 
x 
For consistency with 
change to study from fixed 
to variable treatment 
duration. 
x 
For consistency with the 
secondary PROMIS and 
MRI objective in Section 3. 
x 
To pre-specify analyses of 
all secondary endpoints 
and most exploratory 
endpoints in the protocol.  
9.4.1.1 Efficacy Analyses 
Related to Primary 
Objective 
x 
Updated ARR endpoint to indicate “up to 
156 weeks”. 
x 
Updated intercurrent event strategy to 
include “Ukraine crisis” as intercurrent 
event. 
x 
For consistency with 
change to study from fixed 
to variable treatment 
duration. 
x 
To reflect intercurrent 
event leading to study 
design change. 
9.4.1.2 Efficacy Analyses 
Related to Secondary 
Objectives 
x 
Updated intercurrent event strategy to 
include “Ukraine crisis” as intercurrent 
event. 
x 
Modification of secondary PROMIS and 
MRI endpoints. 
x 
Added description of analyses of 
secondary endpoints Time-to-24-Week 
CDI and Week 12 NfL concentration, 
including estimand framework details. 
x 
To reflect intercurrent 
event leading to study 
design change. 
x 
For consistency with the 
secondary PROMIS and 
MRI objective in Section 3. 
x 
To pre-specify analyses of 
all secondary endpoints in 
the protocol, including 
estimand framework 
details.  
9.4.1.3 Sensitivity 
Analyses 
Updated sensitivity analyses  
For consistency with change 
to study from fixed to variable 
treatment duration and to 
evaluate the impact of the 
currently escalating crisis in 
Eastern Europe. 
9.4.2.8 Sensitivity 
Analyses 
Updated sensitivity analyses  
For consistency with change 
to study from fixed to variable 
treatment duration and to 
evaluate the impact of the 
currently escalating crisis in 
Eastern Europe. 
9.4.4 Sequence of 
Analyses 
Removal of Final Analysis at the end of OLE. 
For consistency with removal 
of OLE Period. 
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Section # and Name 
Description of Change 
Brief Rationale 
9.4.4.1 Optional Interim 
Analysis for Blinded 
Sample Size Re-estimation 
Summarized the outcome of the optional IA 
for BSSR. 
To clarify action taken 
previously (when IA for BSSR 
was conducted in August 
2021) to ensure adequate 
power for 12-week CDP. 
9.4.4.2 Primary Analysis 
x 
Described trigger for primary analysis 
based on achieving sufficient information 
for ARR in each study and sufficient 12-
week CDP events from pooled studies. 
x 
Added Equation 9.4.4 for blinded 
monitoring of information for ARR 
provided by a study. 
x 
For consistency with 
change to study from fixed 
to variable treatment 
duration, where primary 
analysis is information 
driven. 
x 
The information should be 
monitored for each study, 
as the target information 
needs to be met for each 
study before the primary 
analysis can be triggered. 
9.4.4.3 Multiplicity 
Updated multiple testing strategy to 
incorporate addition of 2 secondary 
endpoints, minor change to testing order (CDI 
endpoint tested prior to PRO endpoints), and 
minor correction to alpha level for pooled 
tests. Multiplicity graph updated to depict the 
strategy update. 
To ensure that the multiple 
testing strategy provides a 
more complete picture of 
treatment effect on EDSS and 
NfL levels. Alpha level at 
which pooled tests are to be 
conducted was corrected from 
0.025 to 0.024375 based on 
Bretz 2019.  
10 References  
x 
Addition of Bretz 2019.  
x 
Addition of Kuhle 2016, Kuhle 2017, 
Disanto 2017, Piehl 2018, Novakova 
2017, Barro 2018. 
x 
Update of Hauser 2019 to Hauser 2020. 
x 
Addition in line with 
changes in 
Section 9.4.4.3.  
x 
Addition in line with 
changes in 
Section 8.8.1.1. 
x 
Full publication has 
become available. 
Appendix 4 
x 
Updated serious adverse event reporting 
requirements. 
Text on SUSAR reporting was updated in line 
with the latest protocol template. 
To comply with changes to 
protocol template, which 
clarifies the SAE and SUSAR 
reporting process. 
Appendix 8 Procedure for 
Accelerated Elimination of 
Teriflunomide 
Removal of the mandatory AEP for male 
participants prior to entry into the OLE Period 
To ensure consistency after 
removal of the OLE Period, to 
avoid potential unblinding due 
to variability in duration of 
AEP; and in evaluation of 
safety and efficacy for all 
participants entering the long-
term follow-up study. 
Throughout the document 
Changes made to align with updated protocol 
template. 
Minor editorial and document formatting 
revisions. 
Minor; therefore, have not 
been summarized. 
Protocol Version 4.0 (03 April 2022)  
This amendment is substantial based on the criteria in Article 10(a) of Directive 2001/20/EC of 
the European Parliament and the Council of the European Union. 
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Overall Rationale for the Amendment 
The primary purpose of this amendment is the implementation of required changes to the study 
design, duration, and statistical analyses as critical measures to ensure that the validity of the study 
data and the integrity of the study results are preserved despite the foreseen impact of the currently 
escalating crisis in Eastern Europe.  
A high-level description of each change is summarized below, along with its rationale. 
 
Section # and Name 
Description of Change 
Brief Rationale 
Synopsis 
x 
Revision of treatment duration and 
corresponding update of endpoints 
as applicable. 
x 
Addition of secondary endpoints: 
Time to first occurrence of 24-week 
CDI and Week 12 NfL 
concentration. 
x 
Modification of secondary PROMIS 
endpoints from CFB “at” 96 weeks 
to CFB “over” 96 weeks. 
Modification of population-level 
summary from difference of least-
squares means at 96 weeks to 
difference of average least-squares 
means, with average taken over a 
set of timepoints ending with Week 
96.  
x 
Modification of secondary MRI 
endpoint from “total number of T1 
Gd+ lesions based on assessments 
at Week 24, Week 48, and Week 
96” to “total number of T1 Gd+ 
lesions based on all available MRI 
scans.” 
x 
Modification of secondary MRI 
endpoint from “total number of new 
or enlarging T2 lesions based on 
assessments at Week 24, Week 48, 
and Week 96” to “number of new or 
enlarging T2 lesions on the last 
available MRI scan relative to the 
baseline MRI scan.” 
x 
Inclusion of intercurrent event 
“Ukraine crisis” and strategy for 
handling. 
x 
Removal of endpoints in the OLE 
Period. 
x 
Inclusion of opportunity to enter a 
long-term follow-up study under a 
new protocol for participants after 
completion of evobrutinib treatment 
under the current protocol. 
For consistency with the main protocol 
text.  
1.2 Schema 
Revision of the treatment duration from 
fixed 96 weeks to variable duration up 
to 156 weeks. 
To ensure primary and important 
secondary endpoints are adequately 
powered despite loss of data from 
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Section # and Name 
Description of Change 
Brief Rationale 
participants at sites in Ukraine, Russian 
Federation, and Belarus. 
 
 
Removal of OLE Period  
Due to the extended study duration and 
the planned transition of all eligible 
study completers to the long-term 
follow-up study under a new protocol, 
the OLE Period is no longer needed. 
 
Removal of the mandatory AEP for 
male participants prior to entry into the 
OLE Period in line with removal of the 
OLE Period. 
To ensure consistency after removal of 
the OLE Period, and to ensure 
consistency in evaluation of safety and 
efficacy for all participants entering the 
long-term follow-up study. 
Furthermore, removal of the OLE 
Period and the mandatory AEP related 
to teriflunomide reduces the risk of 
unblinding due to the variable AEP 
duration. 
1.3 Schedule of Activities 
x 
Inclusion of regular study visits up to 
Week 156. 
x 
Section renumbered from 1.3.1 
Schedule of Activities: Screening 
and Treatment Period (All 
Participants), End of Study 
(Participants Not Entering Open 
Label Extension Period) to 1.3 
Schedule of Activities. 
x 
For alignment with the revised study 
duration from 96 weeks to 
156 weeks. 
x 
For consistency with the removal of 
the Schedule of Activities for the 
OLE Period. 
1.3.2 Schedule of Activities - 
Optional Open Label 
Extension Period 
Removal of the Schedule of Activities 
for the OLE Period. 
For consistency with the changes in 
study design, including the removal of 
the OLE Period.  
3 Objectives and Estimands 
Revision of treatment duration and 
corresponding update of endpoints as 
applicable. 
For consistency with the study design 
change from fixed treatment duration to 
variable treatment duration. 
 
Addition of secondary endpoints: Time 
to first occurrence of 24-week CDI and 
Week 12 NfL concentration. 
CDI endpoint added to secondary 
endpoints to explore treatment effect on 
additional clinically relevant endpoint for 
disability. Week 12 NfL concentration 
added to investigate early impact of 
treatment on reducing neuronal 
damage. 
 
Modification of secondary PROMIS 
endpoints from CFB “at” 96 weeks to 
CFB “over” 96 weeks. Modification of 
population-level summary from 
difference of least-squares means at 96 
weeks to difference of average least-
squares means, with average taken 
over a set of timepoints ending with 
Week 96. 
For consistency with the study design 
change from fixed treatment duration to 
variable treatment duration. 
 
x 
Modification of secondary MRI 
endpoint from “total number of T1 
Gd+ lesions based on assessments 
at Week 24, Week 48, and Week 
96” to “total number of T1 Gd+ 
lesions based on all available MRI 
scans.”   
For consistency with the study design 
change from fixed treatment duration to 
variable treatment duration. 
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Section # and Name 
Description of Change 
Brief Rationale 
x 
Modification of secondary MRI 
endpoint from “total number of new 
or enlarging T2 lesions based on 
assessments at Week 24, Week 48, 
and Week 96” to “number of new or 
enlarging T2 lesions on the last 
available MRI scan relative to the 
baseline scan.” 
 
Inclusion of intercurrent event “Ukraine 
crisis” and strategy for handling 
To reflect intercurrent event leading to 
study design change. 
 
Modification of tertiary MRI endpoint 
from “total number of CUA lesions 
based on assessments up to Week 96” 
to “total number of CUA lesions based 
on all available MRI scans.” 
Modification of tertiary MRI endpoint 
from “total number of new T1 hypo-
intense lesions based on assessments 
up to Week 96” to “total number of new 
T1 hypo-intense lesions based on all 
available MRI scans.” 
For consistency with the study design 
change from fixed treatment duration to 
variable treatment duration. 
 
Removal of Objectives and Endpoints 
for the OLE Period. 
For consistency with the changes in 
study design, including the removal of 
the OLE Period. 
4.1 Overall Design 
Inclusion of opportunity to enter a long-
term follow-up study under a new 
protocol for participants after 
completion of evobrutinib treatment 
under the current protocol. 
A new study will allow participants who 
completed the double-blind treatment 
period in the current protocol to enroll in 
a new, single-arm long-term follow-up 
study, which will also include 
participants who completed other RMS 
studies with evobrutinib. The text of the 
protocol has been amended to describe 
a transition opportunity to this long-term 
follow-up study.  
4.4 End of Study Definition 
Added clarification that treatment 
completers who enter the long-term 
follow-up study and do not require a 
Safety Follow-up Visit are also 
considered study completers. 
For consistency with the change in 
study design. 
5.3 Criteria for Entry into 
Open Label Extension 
Period 
Removal of separate criteria for entry 
into OLE Period. 
For consistency with the changes in 
study design, including the removal of 
the OLE Period. 
6.3.2 Blinding 
Time point of unblinding was updated to 
after having reached the primary 
analysis trigger. 
For consistency with the increased 
study duration, updated statistical 
analyses, and removal of the OLE 
Period. 
6.5.3 Prohibited Medicines 
x 
Correction from "(including 
evobrutinib)" to "(excluding 
evobrutinib)". 
x 
Removal of prohibited medicines 
specific for the OLE Period. 
x 
Correction of typographical error. 
x 
For consistency with the removal of 
the OLE Period. 
8.1.1.3 Confirmed Disability 
Improvement 
Addition of definitions for CDI. 
For clarification. 
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Section # and Name 
Description of Change 
Brief Rationale 
8.3.4 Regulatory Reporting 
Requirements for Serious 
Adverse Events 
Text on SUSAR reporting was updated 
in line with the latest protocol template. 
To comply with changes to the protocol 
template, which includes a clarified text 
on the SUSAR reporting process. 
8.8 Biomarkers 
Approximate blood volume planned to 
be collected during the study was 
updated. 
To reflect the increased duration 
including additional visits and 
associated sampling. 
8.8.1.1 Neurofilament Light 
Chain 
x 
Added detailed information on NfL 
as biomarker of disease, 
corresponding to the inclusion of 
NfL as a new secondary endpoint. 
x 
NfL has emerged as a potential 
biomarker for disease activity and 
treatment monitoring of patients with 
MS. Additional information added to 
support the inclusion of NfL as 
secondary endpoint. 
9.1.2 Statistical Hypotheses 
Related to Secondary 
Objectives 
x 
Added description of hypotheses 
regarding secondary endpoints 
Time to 24-Week CDI and Week 12 
NfL concentration  
x 
To pre-specify hypotheses 
regarding all secondary endpoints in 
protocol. 
9.2.1 Sample Size for 
Primary Endpoint: ARR 
x 
Added equation 9.2.1 for the 
information for ARR provided by a 
given sample size, followed for a 
common follow-up time.  
x 
The target information required to 
adequately power the ARR endpoint 
should be pre-specified, as the 
primary analysis will be triggered by 
achieving the target information in 
both studies, plus target CDP 
events pooled.  
9.2.2 Sample Size for 
Secondary Endpoint: 12-
week CDP 
x 
Revised the assumption on 
treatment effect on 12-week CDP 
endpoint from HR = 0.7 to 
HR = 0.66. 
x 
Summarized the outcome of the 
optional IA for BSSR. 
x 
Evobrutinib is considered to have 
efficacy similar to that of anti-CD20 
therapies. Therefore, recent 
reporting of HR = 0.66 (Hauser et al 
2020), comparing hazard of first 
12-week CDP event between 
ofatumumab and teriflunomide, is 
used to revise the assumption of the 
12-week CDP treatment effect. 
x 
To clarify action taken previously 
(when IA for BSSR was conducted 
in August 2021) to ensure adequate 
power for 12-week CDP. 
9.2.3 Sample Size 
Considerations due to the 
Currently Escalating Crisis in 
Eastern Europe 
Added description of re-opening of 
enrollment driven by loss of data due to 
the currently escalating crisis in Eastern 
Europe. 
To ensure primary and important 
secondary endpoints are adequately 
powered despite loss of data from 
participants at sites in Ukraine, Russian 
Federation, and Belarus. 
9.3 Population for Analyses 
x 
Inclusion of modified analysis sets 
(mFAS and mSAF) 
x 
Removal of analysis set specific for 
the OLE Period. 
x 
To address potential lack of data 
robustness for data from 
participants and sites in Ukraine, 
Russian Federation, and Belarus. 
x 
For consistency with the removal of 
the OLE Period. 
9.4.1 Efficacy Analyses 
x 
Updated ARR endpoint to indicate 
“up to 156 weeks”. 
x 
Modification of secondary PROMIS 
and MRI endpoints. 
x 
Added description of analyses of 
secondary endpoints Time to 
24-Week CDI and Week 12 NfL 
concentration. 
x 
For consistency with change to 
study from fixed to variable 
treatment duration. 
x 
For consistency with the secondary 
PROMIS and MRI objective in 
Section 3. 
x 
To pre-specify analyses of all 
secondary endpoints and most 
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Section # and Name 
Description of Change 
Brief Rationale 
exploratory endpoints in the 
protocol.  
9.4.1.1 Efficacy Analyses 
Related to Primary Objective 
x 
Updated ARR endpoint to indicate 
“up to 156 weeks”. 
x 
Updated intercurrent event strategy 
to include “Ukraine crisis” as 
intercurrent event. 
x 
For consistency with change to 
study from fixed to variable 
treatment duration. 
x 
To reflect intercurrent event leading 
to study design change. 
9.4.1.2 Efficacy Analyses 
Related to Secondary 
Objectives 
x 
Updated intercurrent event strategy 
to include “Ukraine crisis” as 
intercurrent event. 
x 
Modification of secondary PROMIS 
and MRI endpoints. 
x 
Added description of analyses of 
secondary endpoints Time-to-
24-Week CDI and Week 12 NfL 
concentration, including estimand 
framework details. 
x 
To reflect intercurrent event leading 
to study design change. 
x 
For consistency with the secondary 
PROMIS and MRI objective in 
Section 3. 
x 
To pre-specify analyses of all 
secondary endpoints in the protocol, 
including estimand framework 
details.  
9.4.1.3 Sensitivity Analyses 
Updated sensitivity analyses  
For consistency with change to study 
from fixed to variable treatment duration 
and to evaluate the impact of the 
currently escalating crisis in Eastern 
Europe. 
9.4.4 Sequence of Analyses 
Removal of Final Analysis at the end of 
OLE. 
For consistency with removal of OLE 
Period. 
9.4.4.1 Optional Interim 
Analysis for Blinded Sample 
Size Re-estimation 
Summarized the outcome of the 
optional IA for BSSR. 
To clarify action taken previously (when 
IA for BSSR was conducted in August 
2021) to ensure adequate power for 12-
week CDP. 
9.4.4.2 Primary Analysis 
x 
Described trigger for primary 
analysis based on achieving 
sufficient information for ARR in 
each study and sufficient 12-week 
CDP events from pooled studies. 
x 
Added Equation 9.4.4 for blinded 
monitoring of information for ARR 
provided by a study. 
x 
For consistency with change to 
study from fixed to variable 
treatment duration, where primary 
analysis is information driven. 
x 
The information should be 
monitored for each study, as the 
target information needs to be met 
for each study before the primary 
analysis can be triggered. 
9.4.4.3 Multiplicity 
Updated multiple testing strategy to 
incorporate addition of 2 secondary 
endpoints, minor change to testing 
order (CDI endpoint tested prior to PRO 
endpoints), and minor correction to 
alpha level for pooled tests. Multiplicity 
graph updated to depict the strategy 
update. 
To ensure that the multiple testing 
strategy provides a more complete 
picture of treatment effect on EDSS and 
NfL levels. Alpha level at which pooled 
tests are to be conducted was 
corrected from 0.025 to 0.02475 based 
on Bretz 2019.  
10 References  
x 
Addition of Bretz 2019.  
x 
Addition of Kuhle 2016, Kuhle 2017, 
Disanto 2017, Piehl 2018, 
Novakova 2017, Barro 2018. 
x 
Update of Hauser 2019 to 
Hauser 2020. 
x 
Addition in line with changes in 
Section 9.4.4.3.  
x 
Addition in line with changes in 
Section 8.8.1.1. 
x 
Full publication has become 
available. 
Appendix 4 
Text on SUSAR reporting was updated 
in line with the latest protocol template. 
To comply with changes to protocol 
template, which clarifies the SUSAR 
reporting process. 
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Evobrutinib
Phase III Study of Evobrutinib in RMS
MS200527_0082
C O N F I D E N T I A L
I N F O R M A T I O N
221/262
Section # and Name
Description of Change
Brief Rationale
Appendix 8 Procedure for 
Accelerated Elimination of 
Teriflunomide
Removal of the mandatory AEP for 
male participants prior to entry into the 
OLE Period
To ensure consistency after removal of 
the OLE Period, to avoid potential 
unblinding due to variability in duration 
of AEP; and in evaluation of safety and 
efficacy for all participants entering the 
long-term follow-up study.
Throughout the document
Changes made to align with updated 
protocol template.
Minor editorial and document formatting 
revisions.
Minor; therefore, have not been 
summarized.
Protocol Version 3.2-LTU (26 May 2021)
Overall Rationale for the Amendment
The purpose of this amendment is to align the Lithuania-specific protocol with Version 3.0 (global 
protocol amendment; 19 May 2021), in which changes and clarifications were made to remove the 
interim analysis (IA) for unblinded sample size re-estimation (USSR) and include an optional IA 
for blinded sample size re-estimation (BSSR). A high-level description of each change is 
summarized below, along with its rationale.
Section # and Name
Description of Change
Brief Rationale
Title page
 replaces 
 
 as Medical Monitor.
is Medical Responsible.
Change in personnel.
1.1 Synopsis
- Updated this section to reflect the inclusion 
of an optional IA for BSSR which are 
detailed below.
- Included clarification that enrollment in the 
Open Label Extension (OLE) can comprise 
participants who are still under study 
treatment when an event-driven primary 
analysis (PA) is triggered.
For consistency and clarification.
1.2 Study Schema
Updated the footnote to remove details of 
treatment period for participants entering the 
OLE period.
To be aligned with the inclusion 
of an optional IA for BSSR.
4.1 Overall Design
- Included clarification that enrollment in the 
OLE can comprise participants who are still 
under study treatment when an event-driven 
PA is triggered.
- Included an optional IA for BSSR and the 
information that the number of participants to 
be 
enrolled 
may 
be 
increased 
to 
approximately 1162 randomized participants.
- Removed the IA for USSR triggered when 
approximately 35% to 45% of planned 12-
week CDP events have been observed.
- Included clarification that enrollment in the 
OLE will be offered to participants who have 
their blinded Treatment Period interrupted 
Due to unexpectedly rapid 
enrollment, the trigger for the IA 
for USSR is projected to occur 
months after the completion of 
enrollment, considered too late 
to implement changes following 
outcome of IA from an 
operational perspective. The 
optional IA for BSSR, triggered 
prior to completion of enrollment, 
does not have this disadvantage.
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PPD
PPD
PPD

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
222/262 
 
 
Section # and Name 
Description of Change 
Brief Rationale 
due to PA trigger as they will be considered 
as study completers. 
5.3.1 Inclusion Criteria for 
Open Label Extension 
Period 
5.3.2 Exclusion Criteria for 
Open Label Extension 
Period 
- Included clarification that inclusion in the 
OLE can comprise participants who are still 
under study treatment when an event-driven 
PA is triggered. 
- Included clarification that exclusion in the 
OLE can happen for participants who had 
discontinued blinded treatment prior to the 
PA trigger (in the case of an event-driven PA). 
For clarification. 
6.3.2 Blinding 
Minor update to consider current changes 
related to PA trigger. 
For consistency. 
7.1 Discontinuation of Study 
Intervention 
Criteria for Temporary Discontinuation of 
Study Intervention: 
Amylase and lipase retest criteria amended 
to include the fasting state. 
For clarification. 
8 Study Assessments and 
Procedures 
Included the information that T-SPOT test 
will be conducted at the local laboratories 
after positive QuantiFERON test. 
To correct error as the 
requirement was included in 
Protocol Version 2.0. 
8 Study Assessments and 
Procedures 
Sentence was rephrased to clarify that 
reported relapse will be adjudicated by the 
Endpoint Adjudication Committee. 
For clarification. 
8 Study Assessments and 
Procedures 
Removed coagulation. 
To correct error as the 
requirement was removed in 
Protocol Version 2.0. 
8 Study Assessments and 
Procedures 
Included clarification that enrollment in the 
OLE will be offered to participants who have 
their blinded Treatment Period interrupted 
due to PA trigger as they will be considered 
as study completers. 
For clarification. 
8 Study Assessments and 
Procedures 
8.2.3 Electrocardiograms 
9.4.2.4 Electrocardiogram 
Parameters 
Sections were rephrased to consider central 
ECG reading. 
To avoid variability in 
interpretation of ECGs by non-
cardiologists and in reports 
obtained from the locally sourced 
ECG machines. 
8.2.8 Independent Data 
Monitoring Committee, 
Endpoint Adjudication 
Committee, and Study 
Steering Committee 
Removed the information that IDMC will 
review unblinded interim data. 
Due to the removal of the IA for 
USSR, the role played by the 
IDMC in making the sample size 
increase recommendation is no 
longer required. 
9.2 Sample Size 
Determination 
Removed the IA for USSR and included an 
optional IA for BSSR and the information 
that a minimal or non-existent effect on type-
1 error inflation is expected. 
Rationale same as for change to 
Section 4.1. 
9.4.1 Efficacy Analyses 
Clarified that Time to 24-week confirmed 
disability progression (CDP) will be analyzed 
in the same manner as the Time to 12-week 
CDP. 
Due to removing the IA for 
USSR, there is no need to 
control type-1 error in the 12-
week CDP analysis using the 
Cui, Hung, Wang method. Thus, 
12-week CDP and 24-week CDP 
will be analyzed in the same 
manner. 
9.4.1.1 Efficacy Analyses 
Related to Primary Objective 
Updated the treatment duration to consider 
the participants who have their blinded 
To be aligned with the inclusion 
of an optional IA for BSSR. 
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Evobrutinib
Phase III Study of Evobrutinib in RMS
MS200527_0082
C O N F I D E N T I A L
I N F O R M A T I O N
223/262
Section # and Name
Description of Change
Brief Rationale
Treatment Period interrupted due to PA
trigger.
9.4.1.2 Efficacy Analyses
Related to Secondary 
Objectives
- Removed the IA for USSR and included an
optional IA for BSSR with details regarding 
methodology.
- Changed the statistical test for the 
secondary endpoint Time to 12-week CDP 
from Cui, Hung, Wang to stratified logrank
and clarified that Time to 24-week CDP will 
be analyzed in the same manner.
Rationale same as for change to 
Section 9.4.1.
9.4.4 Sequence of Analyses
- Removed the IA for USSR and included an
optional IA for BSSR.
- Clarified how the PA is triggered if the 
sample size is increased.
Rationale for replacing IA for 
USSR with optional IA for BSSR 
same as that for change to 
Section 4.1.  
Clarification.
9.4.4.1 Optional Interim 
Analysis for Blinded Sample 
Size Re-estimation
Removed the IA for USSR and included an
optional IA for BSSR with details regarding 
methodology.
Rationale same as for change to 
Section 4.1.
9.4.4.2 Primary Analysis
- Clarified how the PA is triggered if the 
sample size is increased.
- Clarified that the PA is based on data from 
the blinded Treatment Period.
Clarification.
9.4.4.4 Multiplicity
Removed the multiplicity approach for 
controlling family wise type I error at the 1 
sided 0.025 level in the presence of USSR
based on pooled 12-week CDP.
Rationale same as for change to 
Section 9.4.1.
10 References
Removed Cui, Hung, Wang reference that is 
no longer applicable and included new 
reference applicable to BSSR (Friede et al., 
2019).
Rationale same as for change to 
Section 4.1 and Section 9.4.1.
Throughout the document
Changes made to align with updated 
protocol template.
Minor editorial and document formatting 
revisions.
Minor; therefore, have not been 
summarized.
Protocol Version 3.1-CAN (26 May 2021)
Overall Rationale for the Amendment
The purpose of this amendment is to align the Canada-specific protocol with Version 3.0 (global 
protocol amendment; 19 May 2021), in which changes and clarifications were made to remove the 
interim analysis (IA) for unblinded sample size re-estimation (USSR) and include an optional IA 
for blinded sample size re-estimation (BSSR). A high-level description of each change is 
summarized below, along with its rationale.
Section # and Name
Description of Change
Brief Rationale
Title page
 replaces 
 as Medical Monitor.
is Medical 
Responsible.
Change in personnel.
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PPD
PPD
PPD

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
224/262 
 
 
Section # and Name 
Description of Change 
Brief Rationale 
1.1 Synopsis 
 
- Updated this section to reflect the 
inclusion of an optional IA for BSSR 
which are detailed below. 
- Included clarification that enrollment in 
the Open Label Extension (OLE) can 
comprise participants who are still under 
study treatment when an event-driven 
primary analysis (PA) is triggered. 
For consistency and clarification. 
1.2 Study Schema 
Updated the footnote to remove details 
of treatment period for participants 
entering the OLE period. 
To be aligned with the inclusion of 
an optional IA for BSSR. 
4.1 Overall Design 
- Included clarification that enrollment in 
the OLE can comprise participants who 
are still under study treatment when an 
event-driven PA is triggered. 
- Included an optional IA for BSSR and 
the information that the number of 
participants to be enrolled may be 
increased 
to 
approximately 
1162 randomized participants. 
- Removed the IA for USSR triggered 
when approximately 35% to 45% of 
planned 12-week CDP events have been 
observed. 
- Included clarification that enrollment in 
the OLE will be offered to participants who 
have their blinded Treatment Period 
interrupted due to PA trigger as they will 
be considered as study completers. 
Due to unexpectedly rapid 
enrollment, the trigger for the IA for 
USSR is projected to occur 
months after the completion of 
enrollment, considered too late to 
implement changes following 
outcome of IA from an operational 
perspective. The optional IA for 
BSSR, triggered prior to 
completion of enrollment, does not 
have this disadvantage. 
5.3.1 Inclusion Criteria for Open 
Label Extension Period 
5.3.2 Exclusion Criteria for Open 
Label Extension Period 
- Included clarification that inclusion in the 
OLE can comprise participants who are 
still under study treatment when an 
event-driven PA is triggered. 
- Included clarification that exclusion in 
the OLE can happen for participants who 
had discontinued blinded treatment prior 
to the PA trigger (in the case of an event-
driven PA). 
For clarification. 
6.3.2 Blinding 
Minor update to consider current 
changes related to PA trigger. 
For consistency. 
7.1 Discontinuation of Study 
Intervention 
Criteria for Temporary Discontinuation of 
Study Intervention: 
Amylase and lipase retest criteria 
amended to include the fasting state. 
For clarification. 
8 Study Assessments and 
Procedures 
Included the information that T-SPOT 
test will be conducted at the local 
laboratories after positive QuantiFERON 
test. 
To correct error as the requirement 
was included in Protocol Version 
2.0. 
8 Study Assessments and 
Procedures 
Sentence was rephrased to clarify that 
reported relapse will be adjudicated by 
the Endpoint Adjudication Committee. 
For clarification. 
8 Study Assessments and 
Procedures 
Removed coagulation. 
To correct error as the requirement 
was removed in Protocol Version 
2.0. 
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
225/262 
 
 
Section # and Name 
Description of Change 
Brief Rationale 
8 Study Assessments and 
Procedures 
Included clarification that enrollment in 
the OLE will be offered to participants 
who have their blinded Treatment Period 
interrupted due to PA trigger as they will 
be considered as study completers. 
For clarification. 
8 Study Assessments and 
Procedures 
8.2.3 Electrocardiograms 
9.4.2.4 Electrocardiogram 
Parameters 
Sections were rephrased to consider 
central ECG reading. 
To avoid variability in interpretation 
of ECGs by non-cardiologists and 
in reports obtained from the locally 
sourced ECG machines. 
8.2.8 Independent Data 
Monitoring Committee, Endpoint 
Adjudication Committee, and 
Study Steering Committee 
Removed the information that IDMC will 
review unblinded interim data. 
Due to the removal of the IA for 
USSR, the role played by the 
IDMC in making the sample size 
increase recommendation is no 
longer required. 
9.2 Sample Size Determination 
Removed the IA for USSR and included 
an optional IA for BSSR and the 
information that a minimal or 
non-existent effect on type-1 error 
inflation is expected. 
Rationale same as for change to 
Section 4.1. 
9.4.1 Efficacy Analyses 
Clarified that Time to 24-week confirmed 
disability progression (CDP) will be 
analyzed in the same manner as the 
Time to 12-week CDP. 
Due to removing the IA for USSR, 
there is no need to control type-1 
error in the 12-week CDP analysis 
using the Cui, Hung, Wang 
method. Thus, 12-week CDP and 
24-week CDP will be analyzed in 
the same manner. 
9.4.1.1 Efficacy Analyses 
Related to Primary Objective 
Updated the treatment duration to 
consider the participants who have their 
blinded Treatment Period interrupted due 
to PA trigger. 
To be aligned with the inclusion of 
an optional IA for BSSR. 
9.4.1.2 Efficacy Analyses 
Related to Secondary 
Objectives 
- Removed the IA for USSR and included 
an optional IA for BSSR with details 
regarding methodology. 
- Changed the statistical test for the 
secondary endpoint Time to 12-week 
CDP from Cui, Hung, Wang to stratified 
logrank and clarified that Time to 
24-week CDP will be analyzed in the 
same manner. 
Rationale same as for change to 
Section 9.4.1. 
9.4.4 Sequence of Analyses 
- Removed the IA for USSR and included 
an optional IA for BSSR. 
- Clarified how the PA is triggered if the 
sample size is increased. 
Rationale for replacing IA for 
USSR with optional IA for BSSR 
same as that for change to Section 
4.1.   
Clarification. 
9.4.4.1 Optional Interim Analysis 
for Blinded Sample Size 
Re-estimation 
Removed the IA for USSR and included 
an optional IA for BSSR with details 
regarding methodology. 
Rationale same as for change to 
Section 4.1. 
9.4.4.2 Primary Analysis 
- Clarified how the PA is triggered if the 
sample size is increased. 
- Clarified that the PA is based on data 
from the blinded Treatment Period. 
Clarification. 
9.4.4.4 Multiplicity 
Removed the multiplicity approach for 
controlling family wise type I error at the 
Rationale same as for change to 
Section 9.4.1. 
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*OREDO9HUVLRQ,'BB

Evobrutinib
Phase III Study of Evobrutinib in RMS
MS200527_0082
C O N F I D E N T I A L
I N F O R M A T I O N
226/262
Section # and Name
Description of Change
Brief Rationale
1 sided 0.025 level in the presence of 
USSR based on pooled 12-week CDP.
10 References
Removed Cui, Hung, Wang reference 
that is no longer applicable and included 
new reference applicable to BSSR 
(Friede et al., 2019).
Rationale same as for change to 
Section 4.1 and Section 9.4.1.
Throughout the document
Changes made to align with updated 
protocol template.
Minor editorial and document formatting 
revisions.
Minor; therefore, have not been 
summarized.
Protocol Version 3.0 (19 May 2021)
Overall Rationale for the Amendment
The primary purpose of this amendment is to remove the interim analysis (IA) for unblinded 
sample size re-estimation (USSR) and include an optional IA for blinded sample size re-estimation 
(BSSR). A high-level description of each change is summarized below, along with its rationale.
Section # and Name
Description of Change
Brief Rationale
Title page
 replaces 
 as Medical Monitor.
is Medical 
Responsible.
Change in personnel.
1.1 Synopsis
- Updated this section to reflect the 
inclusion of an optional IA for BSSR 
which are detailed below.
- Included clarification that enrollment in 
the Open Label Extension (OLE) can 
comprise participants who are still under 
study treatment when an event-driven 
primary analysis (PA) is triggered.
For consistency and clarification.
1.2 Study Schema
Updated the footnote to remove details 
of treatment period for participants 
entering the OLE period.
To be aligned with the inclusion of 
an optional IA for BSSR.
4.1 Overall Design
- Included clarification that enrollment in 
the OLE can comprise participants who 
are still under study treatment when an 
event-driven PA is triggered.
- Included an optional IA for BSSR and 
the information that the number of 
participants to be enrolled may be 
increased 
to 
approximately 
1162 randomized participants.
- Removed the IA for USSR triggered 
when approximately 35% to 45% of 
planned 12-week CDP events have been 
observed.
- Included clarification that enrollment in 
the OLE will be offered to participants who 
Due to unexpectedly rapid 
enrollment, the trigger for the IA for 
USSR is projected to occur months 
after the completion of enrollment, 
considered too late to implement 
changes following outcome of IA 
from an operational perspective. 
The optional IA for BSSR, triggered 
prior to completion of enrollment, 
does not have this disadvantage.
*OREDO9HUVLRQ,'BB
*OREDO9HUVLRQ,'BB
PPD
PPD
PPD

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
227/262 
 
 
Section # and Name 
Description of Change 
Brief Rationale 
have their blinded Treatment Period 
interrupted due to PA trigger as they will 
be considered as study completers. 
5.3.1 Inclusion Criteria for Open 
Label Extension Period 
5.3.2 Exclusion Criteria for Open 
Label Extension Period 
- Included clarification that inclusion in the 
OLE can comprise participants who are 
still under study treatment when an 
event-driven PA is triggered. 
- Included clarification that exclusion in 
the OLE can happen for participants who 
had discontinued blinded treatment prior 
to the PA trigger (in the case of an event-
driven PA). 
For clarification. 
6.3.2 Blinding 
Minor update to consider current 
changes related to PA trigger. 
For consistency. 
7.1 Discontinuation of Study 
Intervention 
Criteria for Temporary Discontinuation of 
Study Intervention: 
Amylase and lipase retest criteria 
amended to include the fasting state. 
For clarification. 
8 Study Assessments and 
Procedures 
Included the information that T-SPOT 
test will be conducted at the local 
laboratories after positive QuantiFERON 
test. 
To correct error as the requirement 
was included in Protocol Version 
2.0. 
8 Study Assessments and 
Procedures 
Sentence was rephrased to clarify that 
reported relapse will be adjudicated by 
the Endpoint Adjudication Committee. 
For clarification. 
8 Study Assessments and 
Procedures 
Removed coagulation. 
To correct error as the requirement 
was removed in Protocol Version 
2.0. 
8 Study Assessments and 
Procedures 
Included clarification that enrollment in 
the OLE will be offered to participants 
who have their blinded Treatment Period 
interrupted due to PA trigger as they will 
be considered as study completers. 
For clarification. 
8 Study Assessments and 
Procedures 
8.2.3 Electrocardiograms 
9.4.2.4 Electrocardiogram 
Parameters 
Sections were rephrased to consider 
central ECG reading. 
To avoid variability in interpretation 
of ECGs by non-cardiologists and 
in reports obtained from the locally 
sourced ECG machines. 
8.2.8 Independent Data 
Monitoring Committee, Endpoint 
Adjudication Committee, and 
Study Steering Committee 
Removed the information that IDMC will 
review unblinded interim data. 
Due to the removal of the IA for 
USSR, the role played by the IDMC 
in making the sample size increase 
recommendation is no longer 
required. 
9.2 Sample Size Determination 
Removed the IA for USSR and included 
an optional IA for BSSR and the 
information that a minimal or 
non-existent effect on type-1 error 
inflation is expected. 
Rationale same as for change to 
Section 4.1. 
9.4.1 Efficacy Analyses 
Clarified that Time to 24-week confirmed 
disability progression (CDP) will be 
analyzed in the same manner as the 
Time to 12-week CDP. 
Due to removing the IA for USSR, 
there is no need to control type-1 
error in the 12-week CDP analysis 
using the Cui, Hung, Wang 
method. Thus, 12-week CDP and 
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*OREDO9HUVLRQ,'BB

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
C O N F I D E N T I A L 
I N F O R M A T I O N 
228/262 
 
 
Section # and Name 
Description of Change 
Brief Rationale 
24-week CDP will be analyzed in 
the same manner. 
9.4.1.1 Efficacy Analyses 
Related to Primary Objective 
Updated the treatment duration to 
consider the participants who have their 
blinded Treatment Period interrupted due 
to PA trigger. 
To be aligned with the inclusion of 
an optional IA for BSSR. 
9.4.1.2 Efficacy Analyses 
Related to Secondary 
Objectives 
- Removed the IA for USSR and included 
an optional IA for BSSR with details 
regarding methodology. 
- Changed the statistical test for the 
secondary endpoint Time to 12-week 
CDP from Cui, Hung, Wang to stratified 
logrank and clarified that Time to 24-
week CDP will be analyzed in the same 
manner. 
Rationale same as for change to 
Section 9.4.1. 
9.4.4 Sequence of Analyses 
- Removed the IA for USSR and included 
an optional IA for BSSR. 
- Clarified how the PA is triggered if the 
sample size is increased. 
Rationale for replacing IA for USSR 
with optional IA for BSSR same as 
that for change to Section 4.1.   
Clarification. 
9.4.4.1 Optional Interim Analysis 
for Blinded Sample Size 
Re-estimation 
Removed the IA for USSR and included 
an optional IA for BSSR with details 
regarding methodology. 
Rationale same as for change to 
Section 4.1. 
9.4.4.2 Primary Analysis 
- Clarified how the PA is triggered if the 
sample size is increased. 
- Clarified that the PA is based on data 
from the blinded Treatment Period. 
Clarification. 
9.4.4.4 Multiplicity 
Removed the multiplicity approach for 
controlling family wise type I error at the 
1 sided 0.025 level in the presence of 
USSR based on pooled 12-week CDP. 
 
Rationale same as for change to 
Section 9.4.1. 
10 References 
Removed Cui, Hung, Wang reference 
that is no longer applicable and included 
new refence applicable to BSSR (Friede 
et al., 2019). 
Rationale same as for change to 
Section 4.1 and Section 9.4.1. 
Throughout the document 
Changes made to align with updated 
protocol template. 
Minor editorial and document formatting 
revisions. 
Minor; therefore, have not been 
summarized. 
Protocol Version 2.2_LTU (09 December 2020)  
This amendment is substantial based on the criteria in Article 10(a) of Directive 2001/20/EC of 
the European Parliament and the Council of the European Union. 
Overall Rationale for the Amendment 
The purpose of this amendment is to align the Lithuania-specific protocol with Version 2.0 (global 
protocol amendment; 09 December 2020), in which changes and clarifications were made based 
on feedback from early enrolling investigational sites, and newly available data from studies of 
other agents in multiple sclerosis, and to clarify COVID mitigation procedures. A high-level 
description of each change is summarized below, along with its rationale. 
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Evobrutinib
Phase III Study of Evobrutinib in RMS
MS200527_0082
C O N F I D E N T I A L
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Section # and Name
Description of Change
Brief Rationale
Title page
Appendix 12 Sponsor 
Signature Page
 replaces 
 
 as Medical Monitor
 is Medical 
Responsible
Changes in personnel
1.1 Synopsis, Study 
Intervention Groups and 
Duration
1.2 Schema
4.1  Overall Design
Additional text included, and minor 
rewording, to clarify the follow-up window 
for ‘confirmation’ of disability progression 
as measured by the EDSS
For additional clarification
1.1 Synopsis
1.2 Schema
4.1 Overall Design
5.5 Screen Failures
Appendix 2 Study Governance
With approval from the Medical Monitor, 
the Screening period may be extended to 
12 weeks maximum (increased from 
8 weeks maximum). See Section 8 Study 
Assessments and Procedures
To allow sufficient time for repeat 
laboratory results and other 
unanticipated events prior to 
randomization
1.1 Synopsis
1.2 Schema
4.1 Overall Design
1.3 Schedule of Activities
Added that female participants may 
undergo AEP at the Investigator’s 
discretion, and that the same AEP 
process should be followed as for male 
participants
To clarify the process in the event 
of a female participant undergoing 
AEP
1.3 Schedule of Activities
(Main Study)
‘F/D’ changed to SFU (Safety Follow-up)
F/D visit window changed from ± 3 days 
to + 3 days
Added note that visit window for Week 4
is ± 2 days
To clarify that this is a safety visit
SFU visit must be ≥28 days after 
last study intervention
Clarification
1.3 Schedule of Activities
(Main Study and OLE)
Telephone Visit: 
Simplified notes and referred to 
Structured Interview
Clarified individual visits
Clarification/simplification of 
protocol. Structured interview put 
into place.
Telephone Visit not required when 
participants attend clinic
1.3 Schedule of Activities
(Main Study)
QuantiFERON testing removed from W48 
and W96 visits
Separate row added for TB testing for 
high TB burden countries
TB testing is only required at 
Screening if the participant resides 
in a country that has a high TB 
burden
Separated testing in high TB 
burden countries to avoid 
confusion. Clarified that the assay 
used to confirm eligibility should be 
used for monitoring during the 
study
1.3 Schedule of Activities
Efficacy
(Main Study and OLE)
Added note that neurological evaluation 
EDSS, T25-FW, 9-HPT, and SDMT 
should preferably be done after the PRO 
assessments
EDSS evaluation: added note that this 
can be done by phone, if available, if the 
participant is unable to attend scheduled 
visit
To clarify that these should 
preferably be completed before 
other assessments, but PROs are 
done first
Mitigation in light of the COVID-19
pandemic, if the participant is 
unable to attend scheduled visit 
Lechner-Scott 2003)
1.3 Schedule of Activities
PRO Assessments
(Main Study)
SF-36 v2 assessment added at Week 108
Assessment required at Week 108
for participants for whom this is 
also D1 of the OLE
1.3 Schedule of Activities
PRO Assessments
(Main Study and OLE)
PROs: Removed reference to the use of a 
tablet
For flexibility in method of 
collection
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PPD
PPD
PPD

Evobrutinib 
Phase III Study of Evobrutinib in RMS 
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Section # and Name 
Description of Change 
Brief Rationale 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
C-SSRS: Removed reference to the use 
of a tablet 
For flexibility in method of 
collection 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
Coagulation test will be done at 
Screening, W96, OLE D1 and W144 only 
No exposure-related abnormalities 
in PT or PTT have been identified 
in prior studies of evobrutinib. 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
Text amended to indicate that urinalysis 
will be assessed locally and microscopy 
will be submitted for central evaluation 
only if indicated 
Clarification 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study) 
Noted that a second ECG will be 
collected postdose on Day 1, and that 
additional ECGs can be done at the 
Investigator’s discretion 
To clarify that there are 2 ECGs on 
Day 1 and to allow additional ECGs 
if required 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
Removed notes regarding telephone 
visits from ‘AE, SAE & AESI Review‘ and 
‘Concomitant Medication and Procedures 
Review’ rows 
Clarification/simplification of 
protocol. Structured interview put 
into place 
1.3 Schedule of Activities 
Study Intervention 
(Main Study) 
Added dispensing of study intervention at 
Week 4 
Requested by the study team 
1.3 Schedule of Activities 
Study Intervention 
(Main Study and OLE) 
Text amended to state when study 
intervention should be administered on 
site: PK sampling days (Main Study) and 
biomarker sample collection days (OLE) 
Removed detail about self-administration 
at home 
To clarify when study intervention 
should be administered in the clinic 
 
 
To avoid confusion; detail is in 
Section 6.1 
1.3 Schedule of Activities 
Study Intervention 
(Main Study and OLE) 
Compliance: Clarified that participant 
should complete the Participant diary. 
Note added that the diary should be 
reviewed during on-site visits 
Clarification 
1.3 Schedule of Activities 
Biomarkers 
(Main study and OLE) 
8.8.2 Novel Liver Function 
Protein Biomarkers and Novel 
Liver Function Genomic 
Biomarkers 
Removed requirement for novel liver 
function protein and genomic biomarkers 
to be collected prior to first daily dose 
Dosing time is not relevant to 
sample collection time 
1.3 Schedule of Activities 
(OLE) 
Note ‘d’: Added ‘unless they are 
undergoing AEP’ 
The last visit in the main study will 
not be the first visit in the OLE for 
female participants undergoing 
AEP 
1.3 Schedule of Activities 
(OLE) 
Informed consent: Removed reference to 
‘male’ and added reference to notes on 
AEP 
 
Added text so that consent to the OLE 
Period can be given before Day 1 
To clarify that the consent 
procedure for participants 
undergoing AEP also applies to 
females  
Clarification 
1.3 Schedule of Activities 
(OLE) 
Blinded Teriflunomide Levels: note 
amended to refer to all participants 
undergoing AEP rather than male 
participants only 
Sample moved from D1 to AEP period 
Teriflunomide should also be 
measured for females undergoing 
AEP 
 
To correct error 
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Section # and Name 
Description of Change 
Brief Rationale 
1.3 Schedule of Activities 
(OLE) 
Medical history was removed from the 
OLE 
Medical history is collected at 
Screening; any changes thereafter 
are recorded as AEs 
1.3 Schedule of Activities 
(OLE) 
Added text to state that a serum 
pregnancy test is only required on Day 1 
of the OLE if the last monthly urine 
pregnancy test was ≥ 1 month ago 
A urine pregnancy test is sufficient 
at this visit unless there has been a 
gap of ≥ 1 month since the last test 
1.3 Schedule of Activities 
(OLE) 
‘QuantiFERON testing’ replaced with ‘TB 
testing’ in high TB burden countries and 
notes aligned with Main Study SoA 
TB test removed from Week 108 
TB testing is only required in the 
OLE if the participant resides in a 
country that has a high TB burden 
Test at Week 108 is unnecessary 
1.3 Schedule of Activities 
Study Intervention 
(OLE) 
Study Intervention(s) Administration: 
Dosing will only occur on site at visits 
when biomarkers are collected 
Dosing does not need to be on site 
for all visits 
1.3 Schedule of Activities 
Safety Assessments 
(OLE) 
Added reference to Section 7.1 in the 
notes section of the OLE Biochemistry 
and Hematology assessments 
To clarify that the criteria for 
discontinuation of study 
intervention apply in the OLE 
2.3 Benefit/Risk Assessment 
Updated list of completed studies with no 
new potential risks emerging 
To provide updated information 
2.3 Benefit/Risk Assessment 
Added text to address potential risk and 
mitigation to decrease risk of severe 
acute respiratory syndrome coronavirus 2 
(SARS CoV-2) infection 
To address new risks associated 
with the emergence of the 
COVID-19 pandemic 
3 Objectives and Endpoints 
1.1 Synopsis 
Header changed to ‘Objectives and 
Estimands’, and Table 1 changed to a 
2-column format with estimand details 
added 
To comply with change to protocol 
template which clarifies estimand 
strategy 
3 Objectives and Estimands: 
Table 2 Tertiary/Exploratory 
Objectives and Endpoints 
9.4.1 Efficacy Analyses 
Two more endpoints added for the 
evaluation of the efficacy of evobrutinib 
relative to that of teriflunomide on MRI 
parameters 
Previously missing 
3 Objectives and Estimands 
Table 2 Tertiary/Exploratory 
Objectives and Endpoints 
9.4.1 Efficacy Analyses 
 ‘New T1 Gd+ lesions’ changed to ‘T1 
Gd+ lesions’ 
Changes to wording of endpoints 
measured to evaluate the effect on 
composite parameters to use the term 
‘confirmed worsening’ rather than CDP in 
relation to the 9-HPT score and T25-FW 
times 
Clarification that progression or 
worsening should be confirmed 
To align with the correct definition 
for NEDA 
Clarification 
3 Objectives and Estimands: 
Table 2 Tertiary/Exploratory 
Objectives and Endpoints 
Tmax removed from list of PK parameters 
for evaluation 
Tmax is not needed for any analyses 
and will not be calculated 
3 Objectives and Estimands 
Table 3 Objectives and 
Endpoints for the Open Label 
Extension Period 
1.1 Synopsis 
Objectives and endpoints added for 
biomarkers collected during the OLE 
Previously missing 
4.2 Scientific Rationale for 
Study Design 
Rationale for biomarkers added 
Previously missing 
4.4 End of Study Definition 
Expanded definition of study completer 
Clarification 
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Section # and Name 
Description of Change 
Brief Rationale 
5 Study Population; 
Appendix 2 Study 
Governance, Informed 
Consent Process 
Removed reference to ‘legal 
representative’ throughout document 
Regulatory authority request (to 
clarify that legal representative will 
not be allowed in the study) 
5.1 Inclusion Criteria 
Inclusion 5: Added text to clarify definition 
of neurologically stable 
Clarification 
5.2 Exclusion Criteria 
Exclusion 6: Wording changed from 
‘within 4 weeks of Screening’ to ‘within 
4 weeks before or during Screening’ 
Clarification in the event of 
extension of the Screening period 
5.2 Exclusion Criteria 
Exclusion 7: ‘QuantiFERON testing’ 
replaced with ‘TB testing’ in high TB 
burden countries. Text added to allow use 
of an alternative test to the assay used at 
Screening per protocol 
Separated testing in high TB 
burden countries to avoid 
confusion. To clarify when an 
orthogonal Interferon Gamma 
Release Assay should be used to 
assess TB status, and that for 
monitoring, the assay used to 
confirm eligibility should be used 
for monitoring during the study 
5.2 Exclusion Criteria 
Exclusion 8: Amended to include 
reevaluation of false positive 
QuantiFERON results 
Removed text stating that individuals 
should be excluded if T-SPOT.TB is not 
available 
False positive results were not 
addressed in the original protocol 
 
To enable sites to do another 
QuantiFERON if a local 
T-SPOT.TB is not available 
5.2 Exclusion Criteria 
Exclusion 10: reworded to exclude 
participants with highly elevated ferritin 
levels independent of transferrin 
saturation 
Revised after review of current 
guidelines for evaluation of 
hemochromatosis and expert 
consultation. 
5.2 Exclusion Criteria 
Exclusion 14: Amended language 
regarding suicidal behavior and C-SSRS 
scores 
To ensure exclusion of individuals 
considered a significant suicide risk 
and to clarify a time period for the 
assessment 
5.2 Exclusion Criteria 
Exclusion 22: amended time frame for 
discontinuation of treatment with beta-
interferons or glatiramer acetate prior to 
randomization to 1 day 
This does not need to be 
discontinued as early as 4 weeks 
before randomization 
5.2 Exclusion Criteria 
Exclusion 23: Removed reference to 
lymphocyte count as this is in a separate 
criterion 
Clarification 
5.2 Exclusion Criteria 
Exclusion 24: Added that reason for 
switch to teriflunomide must not have 
been because of efficacy or safety related 
considerations 
Clarification regarding study 
population, changes made to 
ensure teriflunomide is an 
appropriate therapeutic option for 
individuals entering the study 
5.2 Exclusion Criteria 
Exclusion 25: 
Amended wording and timing regarding 
use of lymphocyte trafficking blockers 
Added use of S1P inhibitors as an 
exclusion 
Reflects recently published clinical 
trials in RMS indicating that the 
revised exclusion periods are safe 
and appropriate 
5.2 Exclusion Criteria 
Exclusion 26: Time frame for use of IV Ig 
or plasmapheresis prior to randomization 
changed from 12 to 8 weeks 
Reflects recently published clinical 
trials in RMS indicating that the 
revised exclusion periods are safe 
and appropriate 
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Section # and Name 
Description of Change 
Brief Rationale 
5.2 Exclusion Criteria 
Exclusion 27: ofatumumab added to list of 
exclusionary treatments 
Clarification. Ofatumumab is a 
B-cell depleting therapy; added to 
avoid confusion as it is now an 
approved agent in some countries 
5.2 Exclusion Criteria 
Exclusion 28: amended to provide timings 
and clarification of immunosuppressive 
medications  
Reflects recently published clinical 
trials in RMS indicating that the 
revised exclusion periods are safe 
and appropriate. Provides more 
complete guidance to sites 
regarding prior treatments. 
5.2 Exclusion Criteria 
Exclusion 30: Removed this exclusion 
criterion (treatment with medical 
marijuana) 
Removed given the complex nature 
of marijuana regulation in different 
countries and lack of anticipated 
impact on patient safety. 
5.2 Exclusion Criteria 
Exclusion 31: Changed the time for 
stopping fish oil supplements from 
4 weeks prior to randomization to just 
prior to randomization (first dose) 
Given size and durability of effects 
of fish oil supplements on 
coagulation, a 4 week period off 
fish oil supplements is not required. 
5.2 Exclusion Criteria 
6.5.3 Prohibited Medicines 
Exclusion 32:  
Removed text “Diabetes medications 
such as tolbutamide, and pioglitazone, 
repaglinide and rosiglitazone or other 
CYP2C8 substrates are also 
exclusionary” and replaced with “CYP2C8 
substrates with a narrow therapeutic 
index must also be stopped at least 1 day 
prior to randomization” 
Added clarification that CYP2B6 
substrates with a narrow therapeutic 
index, as well as substrates of P-gp, 
BCRP, OCT1, MATE1 and/or MATE2K 
should be used with caution 
 
To correct an error 
 
 
 
 
 
 
 
Clarification on medicines to be 
used with caution. 
5.2 Exclusion Criteria 
 
 
 
7.1 Discontinuation of Study 
Intervention 
Exclusion 34: Amended to permit 
inclusion of participants with HBV DNA 
detectable at levels below 20 IU/mL 
 
 
Clarified level of detectable HBV DNA for 
study intervention discontinuation 
In prior studies of evobrutinib, 
evobrutinib was given to individuals 
with HBV DNA < 20 IU/mL, and 
HBV reactivation was not 
observed.  
To align with change to Exclusion 
Criterion 34 
5.3.2 Exclusion Criteria for 
Open Label Extension Period 
Exclusion 6: Gamma glutamyl transferase 
removed from list of abnormal blood tests 
requiring discontinuation 
Correction aligns OLE exclusion 
criterion with main study stopping 
rules. GGT was included 
unintentionally. 
5.4.1 Meals and Dietary 
Restrictions 
Red wine removed from restrictions 
No clinically relevant interaction 
between red wine and either study 
medication is anticipated. Red wine 
was not prohibited from prior 
studies of evobrutinib and no 
interactions were observed 
6.1 Study Intervention(s) 
Administration 
Dosing Instructions amended 
 
Packaging and Labeling information 
expanded 
To align with elsewhere in the 
protocol 
Clarification 
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Section # and Name 
Description of Change 
Brief Rationale 
6.2 Study Intervention(s) 
Preparation, Handling, 
Storage, and Accountability 
Details of storage conditions for 
teriflunomide and its placebo were 
replaced with a reference to the 
teriflunomide product label 
Clarification 
6.3.2 Blinding 
Clarified the wording regarding the 
assignment of a Treating Investigator 
Designee 
Moved the Treating Investigator text 
before the Examining Investigator text 
Added bullet to state that the Treating 
Investigator (or designee) and the 
Examining Investigator (or designee) 
cannot perform the same tests 
Clarification 
 
 
Logical flow 
 
For additional clarity 
6.4 Study Intervention 
Compliance 
8 Study Assessments and 
Procedures 
Clarified that food intake only needs to be 
recorded in the Participant diary around 
the time of dosing on the day prior to PK 
sampling and the day of PK sampling, 
and around the time of the last dose prior 
to evobrutinib concentration assessment 
sampling 
Clarification 
6.4 Study Intervention 
Compliance 
Added text to indicate that participants 
only need to bring in study intervention at 
study visits ‘during which IMP is 
dispensed’ 
To relieve burden on participants 
6.5 Concomitant Therapy 
6.5.3 Prohibited Medicines 
“During the OLE, initiation of therapy with 
dalfampridine (Ampyra®) is allowed, if 
indicated by the Treating Investigator”: 
text moved from Section 6.5 Concomitant 
Therapy to Section 6.5.3 Prohibited 
Medicines  
Incorrect location 
6.5.1 Rescue Medicine 
Text added to allow use of 
methylprednisolone as an oral formulation 
Text added to allow use of an approved 
equivalent of Acthar gel 
To provide flexibility (particularly in 
light of the Covid-19 pandemic) 
To allow use of an approved 
equivalent of Acthar gel 
6.5.2 Permitted Medicines 
Amended restrictions on use of marijuana 
To align with removal of marijuana 
exclusion criterion 
6.5.3 Prohibited Medicines 
Ofatumumab added to list of medicines 
prohibited during the study 
 
 
Added azathioprine and methotrexate as 
examples of prohibited 
immunosuppressive treatments 
Live-attenuated vaccines added to list of 
medicines prohibited during the study 
Systemic corticosteroids (oral, injected, 
IV) added to list of medicines prohibited 
during the study (topical, intranasal, or 
inhaled corticosteroids are permitted) 
Ofatumumab is a B-cell depleting 
therapy; added to avoid confusion 
as it is now an approved agent in 
some countries 
To align with the updated exclusion 
criterion #28 
 
Omitted in error 
 
Omitted in error 
6.5.4 Other Interventions 
Resveratrol > 500 mg/day added to list of 
herbal and nutritional supplements that 
must be stopped at least 1 week prior to 
randomization 
Resveratrol supplements of 
> 500 mg/day may result in 
clinically significant inhibition of 
CYP3A 
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Section # and Name 
Description of Change 
Brief Rationale 
6.9 Management of Adverse 
Events of Interest 
Liver adverse events: 
Level of increase clarified for 
transaminases and bilirubin elevations to 
be considered AESIs 
Amylase and Lipase Elevations: 
CTCAE Grade ≥ 3 elevation changed to 
> 2 × ULN for AESI classification 
Clarification 
 
 
 
To clarify a discrepancy between 
CTCAE Version 4.03 and 
Version 5.0 
7.1 Discontinuation of Study 
Intervention 
Added template mandatory text regarding 
permanent discontinuation (at start of 
section) 
Added text to indicate that the criteria for 
discontinuation of study intervention apply 
during both the main study and the OLE 
Period 
Added local standard of care option for 
accelerated elimination of teriflunomide 
Previously missing 
 
 
Clarification 
 
 
 
To allow investigators to manage 
participants in accordance with 
local standard of care 
7.1 Discontinuation of Study 
Intervention, Criteria for 
Permanent Discontinuation of 
Study Intervention 
Text added to clarify that the lab criteria 
should be confirmed before study 
intervention is discontinued 
For pregnancy reasons: changed the 
requirement that AEP ‘must’ be 
performed to ‘should’ be performed, and 
teriflunomide level < 0.02 mg/L ‘has to’ be 
reached to ‘should’ be reached 
Added text that a protocol deviation 
should be documented if prohibited 
medication is used 
Clarification 
 
 
This is a decision for the 
Investigator and the participant; it is 
not absolutely mandatory 
 
 
Clarification 
7.1 Discontinuation of Study 
Intervention 
8 Study Assessments and 
Procedures 
Appendix 5 Clinical Laboratory 
Tests 
Erythrocyte sedimentation rate removed 
from list of hepatic assessments 
Erythrocyte sedimentation rate via 
on-site/local laboratory was 
included in error as hsCRP is 
already collected and processed 
via central laboratory 
7.1 Discontinuation of Study 
Intervention 
Criteria for Temporary Discontinuation of 
Study Intervention: 
Amylase retest criteria amended and 
simplified to allow reinitiation of study 
intervention if value decreases to 
≤ 2 × ULN upon retest 
Lipase retest criteria amended and 
simplified to allow reinitiation of study 
intervention if value decreases to 
≤ 2 × ULN upon retest 
To clarify a discrepancy between 
CTCAE Version 4.03 and 
Version 5.0 
7.1 Discontinuation of Study 
Intervention 
Criteria for Temporary Discontinuation of 
Study Intervention: 
Serum creatinine criteria changed to “For 
any increase in serum creatinine > 1.5 × 
ULN but ≤ 3 × ULN…” 
Criteria did not cover an exact 
3 × ULN and required clarification 
7.1 Discontinuation of Study 
Intervention 
8.3.5 Pregnancy 
Changed requirement for AEP in 
pregnant participant from ‘must’ to 
‘should’ be performed 
To align with the AEP 
8 Study Assessments and 
Procedures 
Date of last menstrual period will not be 
collected 
Not required 
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Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
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Section # and Name 
Description of Change 
Brief Rationale 
8 Study Assessments and 
Procedures 
Additional criteria added for extending the 
Screening Period, and permitted 
extension increased to a maximum of 
12 weeks  
Instructions added for repeating ferritin or 
transferrin saturation tests 
To provide guidance for retesting of 
ferritin or transferring saturation 
tests and allow sufficient time for 
repeat laboratory results and other 
unanticipated events prior to 
randomization 
8 Study Assessments and 
Procedures 
Telephone Visit: Replaced bulleted list of 
discussion items with a reference to the 
Structured Interview in Appendix 10 
Clarification/simplification of 
protocol. Structured interview put 
into place. 
8.1.1 Neurological 
Assessment 
Added text to clarify the assignment of a 
Qualified Examining Designee 
Clarification 
8.1.1.1 Qualified Relapse 
Added that if neurological signs and 
symptoms are identified that are 
consistent with relapse, the participant 
should be evaluated on site 
Clarification; relapse cannot be 
confirmed over the phone 
8.1.1.6 Symbol Digit Modalities 
Test 
Text added to clarify that two different 
SDMT forms will be used, administered at 
alternating visits 
Clarification 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
Amended text to state that images will be 
assessed (not assessed and reported) 
Added that the Treating Investigator can 
have access to the Screening (baseline) 
MRI scan in order to evaluate eligibility 
To correct an error 
 
Access to the Screening (baseline) 
MRI scan is needed to evaluate 
eligibility 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
1.3 Schedule of Activities 
(Main Study) 
Changed ‘Screening/Baseline MRI’ to 
‘Screening (Baseline) MRI’ 
To clarify that the MRI done at 
screening is the baseline MRI, 
rather than suggesting that an MRI 
might be done at the Baseline visit. 
8.1.3 Patient Reported 
Outcomes 
1.3 Schedule of Activities 
Added text to allow an alternative method 
of PRO data collection 
Removed reference to the use of a tablet 
for PRO assessments 
To allow an alternative method of 
collection in the event that a tablet 
cannot be used 
8.2.2 Vital Signs 
Text added to indicate that temperature 
should be measured at the same location 
throughout the study 
To avoid variation in results if 
different methods were used 
8.2.3 Electrocardiograms 
Text amended to indicate that QTcF will 
be automatically calculated in the eCRF; 
it is not obtained from the ECG 
Clarification 
8.2.7 Columbia-Suicide 
Severity Rating Scale 
1.3 Schedule of Activities 
(Main Study and OLE) 
Text added to state that the C-SSRS may 
be administered by an assigned designee 
of the Treating Investigator 
To clarify that the C-SSRS may be 
delegated per Section 6.3.2 
8.3.5 Pregnancy 
Amended all text regarding collection and 
reporting of pregnancy information 
Added that information on pregnant 
partners only needs to be collected in the 
Main Study 
Text updated in accordance with 
new protocol template 
Once a male participant switches 
to evobrutinib in the OLE, it is not 
necessary to collect information on 
pregnancies in their partners 
8.4 Treatment of Overdose 
Definition of overdose amended to: 
“…within a 24-hour time period – [minus] 
6 hours…” 
To prevent erroneous reports of 
overdose 
8.5 Pharmacokinetics 
Tmax removed from list of PK parameters 
for evaluation 
Revisions to definitions of PK parameters 
Tmax is not needed for any analyses 
and will not be calculated 
Correction 
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Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
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Section # and Name 
Description of Change 
Brief Rationale 
9.1.2 Statistical Hypotheses 
Related to Secondary 
Objectives 
Change to null hypothesis for the 
secondary endpoint CFB in PROMIS 
Fatigue score at 96 weeks 
Correction 
9.4.1 Efficacy Analyses 
Secondary efficacy endpoints: 
Time to 12-week CDP 
Time to 24-week CDP 
9.4.1.2 Efficacy Analyses 
Related to Secondary 
Objectives 
Statistical Analysis Methods: Cox model 
made consistent with Log-rank test which 
has strata defined by randomization strata 
and study ID 
Correction 
9.4.1 Efficacy Analyses 
Tertiary/Exploratory endpoints 
Statistical Analysis Methods:  
Correction to test regarding stratified Cox 
model strata 
Minor edits to text 
 
Correction 
 
Clarification of statistical methods 
9.4.1 Efficacy Analyses 
Tertiary/Exploratory endpoints 
‘Change in normalized T1 intensity…’ 
endpoint moved to a new row 
New text for statistical method for the 
‘Volume of SELs…’ endpoint 
Correction of statistical method 
based on information from 
NeuroRx indicating one 
postbaseline value per participant 
9.4.4.4 Multiplicity 
Secondary Endpoint Null Hypotheses for 
H05: ‘ΔFatigue ≤ 0’ changed to ‘ΔFatigue ≥ 0’, 
and ‘higher score corresponds to reduced 
fatigure’ changed to ‘higher score 
corresponds to more fatigure’ 
Correction 
10 References 
Additional references added 
In line with changes to text 
Appendix 2 Study Governance 
Study and Site Closure: Text added to 
indicate that new or emerging safety 
information that negatively affects the 
benefit/risk assessment of the clinical 
study may be a reason for closing study 
sites or terminating the study 
Health Authority Request 
Appendix 3 Contraception 
Added missing footnote label ‘a’ 
Added footnote ‘b’ to indicate that if a 
WOCBP is using a highly effective 
method other than sexual abstinence or 
vasectomized partner, AND ALSO has a 
vasectomized partner, the vasectomized 
partner will be considered the “barrier 
method” for study purposes 
Label was missing in footnotes 
Clarification 
Appendix 4 Adverse Events: 
Definitions and Procedures for 
Recording, Evaluating, Follow-
up, and Reporting 
Events Not to Be Considered as 
AEs/SAEs: 
Text added to state that worsening of the 
underlying disease is not routinely 
considered an AE or SAE 
Text on reporting of AESIs was updated 
in line with the latest protocol template 
Alignment with template wording 
 
 
 
 
For clarification and so that EDC 
can be used 
Appendix 5 Clinical Laboratory 
Tests 
Moved some assessments listed in ‘Other 
screening tests’ into new row ‘Other tests’ 
JCV DNA PCR added to list of ‘Other 
screening tests’ 
Estradiol removed from list of ‘Other 
screening tests’ 
 
βhCG removed from routine urinalysis 
 
Clarification; not all tests listed 
were Screening only 
To include missing information 
 
Estradiol not used to determine 
postmenopausal status in this 
study 
This is a serum test; now listed 
under other tests 
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Section # and Name
Description of Change
Brief Rationale
Teriflunomide footnote amended to 
include all participants undergoing AEP
To include females undergoing 
AEP
Appendix 8 Procedure for 
Accelerated Elimination of 
Teriflunomide
Text added to allow accelerated 
elimination of teriflunomide in accordance 
with standard of care
Text added to note that it is only required 
to confirm a level of < 0.02 mg/L after the 
AEP if the AEP is being done for 
pregnancy-related considerations
To allow accelerated elimination of 
teriflunomide in accordance with 
local guidance
For clarification
Appendix 10 Structured 
Interview at Telephone Visit
New appendix added: ‘Structured 
Interview at Telephone Visit’
Clarification/simplification of 
protocol. Structured interview put 
into place to identify any new or 
worsening neurological symptoms 
that warrant evaluation at an 
unscheduled visit 
Throughout the document
Changes made to align with updated 
protocol template
Minor editorial and document formatting 
revisions
Minor; therefore, have not been 
summarized
Protocol Version 2.1-CAN (09 December 2020)
This amendment is substantial based on the criteria in Article 10(a) of Directive 2001/20/EC of 
the European Parliament and the Council of the European Union.
Overall Rationale for the Amendment
The purpose of this amendment is to align the Canada-specific protocol with Version 2.0 (global 
protocol amendment; 09 December 2020), in which changes and clarifications were made based 
on feedback from early enrolling investigational sites, and newly available data from studies of 
other agents in multiple sclerosis, and to clarify COVID mitigation procedures. A high-level 
description of each change is summarized below, along with its rationale.
Section # and Name
Description of Change
Brief Rationale
Title page
Appendix 12 Sponsor 
Signature Page
 replaces 
 
 as Medical Monitor
 is Medical 
Responsible
Changes in personnel
1.1 Synopsis, Study 
Intervention Groups and 
Duration
1.2 Schema
4.1  Overall Design
Additional text included, and minor 
rewording, to clarify the follow-up window 
for ‘confirmation’ of disability progression 
as measured by the EDSS
For additional clarification
1.1 Synopsis
1.2 Schema
4.1 Overall Design
5.5 Screen Failures
Appendix 2 Study Governance
With approval from the Medical Monitor, 
the Screening period may be extended to 
12 weeks maximum (increased from 
8 weeks maximum). See Section 8 Study 
Assessments and Procedures
To allow sufficient time for repeat 
laboratory results and other 
unanticipated events prior to 
randomization
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Section # and Name 
Description of Change 
Brief Rationale 
1.1 Synopsis 
1.2 Schema 
4.1 Overall Design 
1.3 Schedule of Activities 
Added that female participants may 
undergo AEP at the Investigator’s 
discretion, and that the same AEP 
process should be followed as for male 
participants 
To clarify the process in the event 
of a female participant undergoing 
AEP 
1.3 Schedule of Activities 
(Main Study) 
‘F/D’ changed to SFU (Safety Follow-up) 
F/D visit window changed from ± 3 days 
to + 3 days 
Added note that visit window for Week 4 
is ± 2 days 
To clarify that this is a safety visit 
SFU visit must be ≥ 28 days after 
last study intervention 
Clarification 
1.3 Schedule of Activities 
(Main Study and OLE) 
Telephone Visit:  
Simplified notes and referred to 
Structured Interview 
Clarified individual visits 
Clarification/simplification of 
protocol. Structured interview put 
into place. 
Telephone Visit not required when 
participants attend clinic 
1.3 Schedule of Activities 
(Main Study) 
QuantiFERON testing removed from W48 
and W96 visits 
 
 
Separate row added for TB testing for 
high TB burden countries 
TB testing is only required at 
Screening if the participant resides 
in a country that has a high TB 
burden 
Separated testing in high TB 
burden countries to avoid 
confusion. Clarified that the assay 
used to confirm eligibility should be 
used for monitoring during the 
study 
1.3 Schedule of Activities 
Efficacy 
(Main Study and OLE) 
Added note that neurological evaluation 
EDSS, T25-FW, 9-HPT, and SDMT 
should preferably be done after the PRO 
assessments 
EDSS evaluation: added note that this 
can be done by phone, if available, if the 
participant is unable to attend scheduled 
visit 
To clarify that these should 
preferably be completed before 
other assessments, but PROs are 
done first 
Mitigation in light of the COVID-19 
pandemic, if the participant is 
unable to attend scheduled visit 
Lechner-Scott 2003) 
1.3 Schedule of Activities 
PRO Assessments 
(Main Study) 
SF-36 v2 assessment added at Week 108 
Assessment required at Week 108 
for participants for whom this is 
also D1 of the OLE 
1.3 Schedule of Activities 
PRO Assessments 
(Main Study and OLE) 
PROs: Removed reference to the use of a 
tablet 
For flexibility in method of 
collection 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
C-SSRS: Removed reference to the use 
of a tablet 
For flexibility in method of 
collection 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
Coagulation test will be done at 
Screening, W96, OLE D1 and W144 only 
No exposure-related abnormalities 
in PT or PTT have been identified 
in prior studies of evobrutinib. 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
Text amended to indicate that urinalysis 
will be assessed locally and microscopy 
will be submitted for central evaluation 
only if indicated 
Clarification 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study) 
Noted that a second ECG will be 
collected postdose on Day 1, and that 
additional ECGs can be done at the 
Investigator’s discretion 
To clarify that there are 2 ECGs on 
Day 1 and to allow additional ECGs 
if required 
1.3 Schedule of Activities 
Removed notes regarding telephone 
Clarification/simplification of 
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Section # and Name 
Description of Change 
Brief Rationale 
Safety Assessments 
(Main Study and OLE) 
visits from ‘AE, SAE & AESI Review‘ and 
‘Concomitant Medication and Procedures 
Review’ rows 
protocol. Structured interview put 
into place 
1.3 Schedule of Activities 
Study Intervention 
(Main Study) 
Added dispensing of study intervention at 
Week 4 
Requested by the study team 
1.3 Schedule of Activities 
Study Intervention 
(Main Study and OLE) 
Text amended to state when study 
intervention should be administered on 
site: PK sampling days (Main Study) and 
biomarker sample collection days (OLE) 
Removed detail about self-administration 
at home 
To clarify when study intervention 
should be administered in the clinic 
 
 
To avoid confusion; detail is in 
Section 6.1 
1.3 Schedule of Activities 
Study Intervention 
(Main Study and OLE) 
Compliance: Clarified that participant 
should complete the Participant diary. 
Note added that the diary should be 
reviewed during on-site visits 
Clarification 
1.3 Schedule of Activities 
Biomarkers 
(Main study and OLE) 
8.8.2 Novel Liver Function 
Protein Biomarkers and Novel 
Liver Function Genomic 
Biomarkers 
Removed requirement for novel liver 
function protein and genomic biomarkers 
to be collected prior to first daily dose 
Dosing time is not relevant to 
sample collection time 
1.3 Schedule of Activities 
(OLE) 
Note ‘d’: Added ‘unless they are 
undergoing AEP’ 
The last visit in the main study will 
not be the first visit in the OLE for 
female participants undergoing 
AEP 
1.3 Schedule of Activities 
(OLE) 
Informed consent: Removed reference to 
‘male’ and added reference to notes on 
AEP 
 
Added text so that consent to the OLE 
Period can be given before Day 1 
To clarify that the consent 
procedure for participants 
undergoing AEP also applies to 
females  
Clarification 
1.3 Schedule of Activities 
(OLE) 
Blinded Teriflunomide Levels: note 
amended to refer to all participants 
undergoing AEP rather than male 
participants only 
Sample moved from D1 to AEP period 
Teriflunomide should also be 
measured for females undergoing 
AEP 
 
To correct error 
1.3 Schedule of Activities 
(OLE) 
Medical history was removed from the 
OLE 
Medical history is collected at 
Screening; any changes thereafter 
are recorded as AEs 
1.3 Schedule of Activities 
(OLE) 
Added text to state that a serum 
pregnancy test is only required on Day 1 
of the OLE if the last monthly urine 
pregnancy test was ≥ 1 month ago 
A urine pregnancy test is sufficient 
at this visit unless there has been a 
gap of ≥ 1 month since the last test 
1.3 Schedule of Activities 
(OLE) 
‘QuantiFERON testing’ replaced with ‘TB 
testing’ in high TB burden countries and 
notes aligned with Main Study SoA 
TB test removed from Week 108 
TB testing is only required in the 
OLE if the participant resides in a 
country that has a high TB burden 
Test at Week 108 is unnecessary 
1.3 Schedule of Activities 
Study Intervention 
(OLE) 
Study Intervention(s) Administration: 
Dosing will only occur on site at visits 
when biomarkers are collected 
Dosing does not need to be on site 
for all visits 
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Section # and Name 
Description of Change 
Brief Rationale 
1.3 Schedule of Activities 
Safety Assessments 
(OLE) 
Added reference to Section 7.1 in the 
notes section of the OLE Biochemistry 
and Hematology assessments 
To clarify that the criteria for 
discontinuation of study 
intervention apply in the OLE 
2.3 Benefit/Risk Assessment 
Updated list of completed studies with no 
new potential risks emerging 
To provide updated information 
2.3 Benefit/Risk Assessment 
Added text to address potential risk and 
mitigation to decrease risk of severe 
acute respiratory syndrome coronavirus 2 
(SARS CoV-2) infection 
To address new risks associated 
with the emergence of the 
COVID-19 pandemic 
3 Objectives and Endpoints 
1.1 Synopsis 
Header changed to ‘Objectives and 
Estimands’, and Table 1 changed to a 
2-column format with estimand details 
added 
To comply with change to protocol 
template which clarifies estimand 
strategy 
3 Objectives and Estimands: 
Table 2 Tertiary/Exploratory 
Objectives and Endpoints 
9.4.1 Efficacy Analyses 
Two more endpoints added for the 
evaluation of the efficacy of evobrutinib 
relative to that of teriflunomide on MRI 
parameters 
Previously missing 
3 Objectives and Estimands 
Table 2 Tertiary/Exploratory 
Objectives and Endpoints 
9.4.1 Efficacy Analyses 
 ‘New T1 Gd+ lesions’ changed to ‘T1 
Gd+ lesions’ 
Changes to wording of endpoints 
measured to evaluate the effect on 
composite parameters to use the term 
‘confirmed worsening’ rather than CDP in 
relation to the 9-HPT score and T25-FW 
times 
Clarification that progression or 
worsening should be confirmed 
To align with the correct definition 
for NEDA 
Clarification 
3 Objectives and Estimands: 
Table 2 Tertiary/Exploratory 
Objectives and Endpoints 
Tmax removed from list of PK parameters 
for evaluation 
Tmax is not needed for any analyses 
and will not be calculated 
3 Objectives and Estimands 
Table 3 Objectives and 
Endpoints for the Open Label 
Extension Period 
1.1 Synopsis 
Objectives and endpoints added for 
biomarkers collected during the OLE 
Previously missing 
4.2 Scientific Rationale for 
Study Design 
Rationale for biomarkers added 
Previously missing 
4.4 End of Study Definition 
Expanded definition of study completer 
Clarification 
5 Study Population; 
Appendix 2 Study 
Governance, Informed 
Consent Process 
Removed reference to ‘legal 
representative’ throughout document 
Regulatory authority request (to 
clarify that legal representative will 
not be allowed in the study) 
5.1 Inclusion Criteria 
Inclusion 5: Added text to clarify definition 
of neurologically stable 
Clarification 
5.2 Exclusion Criteria 
Exclusion 6: Wording changed from 
‘within 4 weeks of Screening’ to ‘within 
4 weeks before or during Screening’ 
Clarification in the event of 
extension of the Screening period 
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Section # and Name 
Description of Change 
Brief Rationale 
5.2 Exclusion Criteria 
Exclusion 7: ‘QuantiFERON testing’ 
replaced with ‘TB testing’ in high TB 
burden countries. Text added to allow use 
of an alternative test to the assay used at 
Screening per protocol 
Separated testing in high TB 
burden countries to avoid 
confusion. To clarify when an 
orthogonal Interferon Gamma 
Release Assay should be used to 
assess TB status, and that for 
monitoring, the assay used to 
confirm eligibility should be used 
for monitoring during the study 
5.2 Exclusion Criteria 
Exclusion 8: Amended to include 
reevaluation of false positive 
QuantiFERON results 
Removed text stating that individuals 
should be excluded if T-SPOT.TB is not 
available 
False positive results were not 
addressed in the original protocol 
 
To enable sites to do another 
QuantiFERON if a local 
T-SPOT.TB is not available 
5.2 Exclusion Criteria 
Exclusion 10: reworded to exclude 
participants with highly elevated ferritin 
levels independent of transferrin 
saturation 
Revised after review of current 
guidelines for evaluation of 
hemochromatosis and expert 
consultation. 
5.2 Exclusion Criteria 
Exclusion 14: Amended language 
regarding suicidal behavior and C-SSRS 
scores 
To ensure exclusion of individuals 
considered a significant suicide risk 
and to clarify a time period for the 
assessment 
5.2 Exclusion Criteria 
Exclusion 22: amended time frame for 
discontinuation of treatment with beta-
interferons or glatiramer acetate prior to 
randomization to 1 day 
This does not need to be 
discontinued as early as 4 weeks 
before randomization 
5.2 Exclusion Criteria 
Exclusion 23: Removed reference to 
lymphocyte count as this is in a separate 
criterion 
Clarification 
5.2 Exclusion Criteria 
Exclusion 24: Added that reason for 
switch to teriflunomide must not have 
been because of efficacy or safety related 
considerations 
Clarification regarding study 
population, changes made to 
ensure teriflunomide is an 
appropriate therapeutic option for 
individuals entering the study 
5.2 Exclusion Criteria 
Exclusion 25: 
Amended wording and timing regarding 
use of lymphocyte trafficking blockers 
Added use of S1P inhibitors as an 
exclusion 
Reflects recently published clinical 
trials in RMS indicating that the 
revised exclusion periods are safe 
and appropriate 
5.2 Exclusion Criteria 
Exclusion 26: Time frame for use of IV Ig 
or plasmapheresis prior to randomization 
changed from 12 to 8 weeks 
Reflects recently published clinical 
trials in RMS indicating that the 
revised exclusion periods are safe 
and appropriate 
5.2 Exclusion Criteria 
Exclusion 27: ofatumumab added to list of 
exclusionary treatments 
Clarification. Ofatumumab is a 
B-cell depleting therapy; added to 
avoid confusion as it is now an 
approved agent in some countries 
5.2 Exclusion Criteria 
Exclusion 28: amended to provide timings 
and clarification of immunosuppressive 
medications  
Reflects recently published clinical 
trials in RMS indicating that the 
revised exclusion periods are safe 
and appropriate. Provides more 
complete guidance to sites 
regarding prior treatments. 
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Section # and Name 
Description of Change 
Brief Rationale 
5.2 Exclusion Criteria 
Exclusion 30: Removed this exclusion 
criterion (treatment with medical 
marijuana) 
Removed given the complex nature 
of marijuana regulation in different 
countries and lack of anticipated 
impact on patient safety. 
5.2 Exclusion Criteria 
Exclusion 31: Changed the time for 
stopping fish oil supplements from 
4 weeks prior to randomization to just 
prior to randomization (first dose) 
Given size and durability of effects 
of fish oil supplements on 
coagulation, a 4 week period off 
fish oil supplements is not required. 
5.2 Exclusion Criteria 
6.5.3 Prohibited Medicines 
Exclusion 32:  
Removed text “Diabetes medications 
such as tolbutamide, and pioglitazone, 
repaglinide and rosiglitazone or other 
CYP2C8 substrates are also 
exclusionary” and replaced with “CYP2C8 
substrates with a narrow therapeutic 
index must also be stopped at least 1 day 
prior to randomization” 
Added clarification that CYP2B6 
substrates with a narrow therapeutic 
index, as well as substrates of P-gp, 
BCRP, OCT1, MATE1 and/or MATE2K 
should be used with caution 
 
To correct an error 
 
 
 
 
 
 
 
Clarification on medicines to be 
used with caution. 
5.2 Exclusion Criteria 
 
 
 
7.1 Discontinuation of Study 
Intervention 
Exclusion 34: Amended to permit 
inclusion of participants with HBV DNA 
detectable at levels below 20 IU/mL 
 
 
Clarified level of detectable HBV DNA for 
study intervention discontinuation 
In prior studies of evobrutinib, 
evobrutinib was given to individuals 
with HBV DNA < 20 IU/mL, and 
HBV reactivation was not 
observed.  
To align with change to Exclusion 
Criterion 34 
5.3.2 Exclusion Criteria for 
Open Label Extension Period 
Exclusion 6: Gamma glutamyl transferase 
removed from list of abnormal blood tests 
requiring discontinuation 
Correction aligns OLE exclusion 
criterion with main study stopping 
rules. GGT was included 
unintentionally. 
5.4.1 Meals and Dietary 
Restrictions 
Red wine removed from restrictions 
No clinically relevant interaction 
between red wine and either study 
medication is anticipated. Red wine 
was not prohibited from prior 
studies of evobrutinib and no 
interactions were observed 
6.1 Study Intervention(s) 
Administration 
Dosing Instructions amended 
 
Packaging and Labeling information 
expanded 
To align with elsewhere in the 
protocol 
Clarification 
6.2 Study Intervention(s) 
Preparation, Handling, 
Storage, and Accountability 
Details of storage conditions for 
teriflunomide and its placebo were 
replaced with a reference to the 
teriflunomide product label 
Clarification 
6.3.2 Blinding 
Clarified the wording regarding the 
assignment of a Treating Investigator 
Designee 
Moved the Treating Investigator text 
before the Examining Investigator text 
Clarification 
 
 
Logical flow 
 
For additional clarity 
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Section # and Name 
Description of Change 
Brief Rationale 
Added bullet to state that the Treating 
Investigator (or designee) and the 
Examining Investigator (or designee) 
cannot perform the same tests 
6.4 Study Intervention 
Compliance 
8 Study Assessments and 
Procedures 
Clarified that food intake only needs to be 
recorded in the Participant diary around 
the time of dosing on the day prior to PK 
sampling and the day of PK sampling, 
and around the time of the last dose prior 
to evobrutinib concentration assessment 
sampling 
Clarification 
6.4 Study Intervention 
Compliance 
Added text to indicate that participants 
only need to bring in study intervention at 
study visits ‘during which IMP is 
dispensed’ 
To relieve burden on participants 
6.5 Concomitant Therapy 
6.5.3 Prohibited Medicines 
“During the OLE, initiation of therapy with 
dalfampridine (Ampyra®) is allowed, if 
indicated by the Treating Investigator”: 
text moved from Section 6.5 Concomitant 
Therapy to Section 6.5.3 Prohibited 
Medicines  
Incorrect location 
6.5.1 Rescue Medicine 
Text added to allow use of 
methylprednisolone as an oral formulation 
Text added to allow use of an approved 
equivalent of Acthar gel 
To provide flexibility (particularly in 
light of the Covid-19 pandemic) 
To allow use of an approved 
equivalent of Acthar gel 
6.5.2 Permitted Medicines 
Amended restrictions on use of marijuana 
To align with removal of marijuana 
exclusion criterion 
6.5.3 Prohibited Medicines 
Ofatumumab added to list of medicines 
prohibited during the study 
 
 
Added azathioprine and methotrexate as 
examples of prohibited 
immunosuppressive treatments 
Live-attenuated vaccines added to list of 
medicines prohibited during the study 
Systemic corticosteroids (oral, injected, 
IV) added to list of medicines prohibited 
during the study (topical, intranasal, or 
inhaled corticosteroids are permitted) 
Ofatumumab is a B-cell depleting 
therapy; added to avoid confusion 
as it is now an approved agent in 
some countries 
To align with the updated exclusion 
criterion #28 
 
Omitted in error 
 
Omitted in error 
6.5.4 Other Interventions 
Resveratrol > 500 mg/day added to list of 
herbal and nutritional supplements that 
must be stopped at least 1 week prior to 
randomization 
Resveratrol supplements of 
> 500 mg/day may result in 
clinically significant inhibition of 
CYP3A 
6.9 Management of Adverse 
Events of Interest 
Liver adverse events: 
Level of increase clarified for 
transaminases and bilirubin elevations to 
be considered AESIs 
Amylase and Lipase Elevations: 
CTCAE Grade ≥ 3 elevation changed to 
> 2 × ULN for AESI classification 
Clarification 
 
 
 
To clarify a discrepancy between 
CTCAE Version 4.03 and 
Version 5.0 
7.1 Discontinuation of Study 
Intervention 
Added template mandatory text regarding 
permanent discontinuation (at start of 
section) 
Previously missing 
 
 
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Section # and Name 
Description of Change 
Brief Rationale 
Added text to indicate that the criteria for 
discontinuation of study intervention apply 
during both the main study and the OLE 
Period 
Added local standard of care option for 
accelerated elimination of teriflunomide 
Clarification 
 
 
 
To allow investigators to manage 
participants in accordance with 
local standard of care 
7.1 Discontinuation of Study 
Intervention, Criteria for 
Permanent Discontinuation of 
Study Intervention 
Text added to clarify that the lab criteria 
should be confirmed before study 
intervention is discontinued 
For pregnancy reasons: changed the 
requirement that AEP ‘must’ be 
performed to ‘should’ be performed, and 
teriflunomide level < 0.02 mg/L ‘has to’ be 
reached to ‘should’ be reached 
Added text that a protocol deviation 
should be documented if prohibited 
medication is used 
Clarification 
 
 
This is a decision for the 
Investigator and the participant; it is 
not absolutely mandatory 
 
 
Clarification 
7.1 Discontinuation of Study 
Intervention 
8 Study Assessments and 
Procedures 
Appendix 5 Clinical Laboratory 
Tests 
Erythrocyte sedimentation rate removed 
from list of hepatic assessments 
Erythrocyte sedimentation rate via 
on-site/local laboratory was 
included in error as hsCRP is 
already collected and processed 
via central laboratory 
7.1 Discontinuation of Study 
Intervention 
Criteria for Temporary Discontinuation of 
Study Intervention: 
Amylase retest criteria amended and 
simplified to allow reinitiation of study 
intervention if value decreases to 
≤ 2 × ULN upon retest 
Lipase retest criteria amended and 
simplified to allow reinitiation of study 
intervention if value decreases to 
≤ 2 × ULN upon retest 
To clarify a discrepancy between 
CTCAE Version 4.03 and 
Version 5.0 
7.1 Discontinuation of Study 
Intervention 
Criteria for Temporary Discontinuation of 
Study Intervention: 
Serum creatinine criteria changed to “For 
any increase in serum creatinine > 1.5 × 
ULN but ≤ 3 × ULN…” 
Criteria did not cover an exact 
3 × ULN and required clarification 
7.1 Discontinuation of Study 
Intervention 
8.3.5 Pregnancy 
Changed requirement for AEP in 
pregnant participant from ‘must’ to 
‘should’ be performed 
To align with the AEP 
8 Study Assessments and 
Procedures 
Date of last menstrual period will not be 
collected 
Not required 
8 Study Assessments and 
Procedures 
Additional criteria added for extending the 
Screening Period, and permitted 
extension increased to a maximum of 
12 weeks  
Instructions added for repeating ferritin or 
transferrin saturation tests 
To provide guidance for retesting of 
ferritin or transferring saturation 
tests and allow sufficient time for 
repeat laboratory results and other 
unanticipated events prior to 
randomization 
8 Study Assessments and 
Procedures 
Telephone Visit: Replaced bulleted list of 
discussion items with a reference to the 
Structured Interview in Appendix 10 
Clarification/simplification of 
protocol. Structured interview put 
into place. 
8.1.1 Neurological 
Assessment 
Added text to clarify the assignment of a 
Qualified Examining Designee 
Clarification 
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Section # and Name 
Description of Change 
Brief Rationale 
8.1.1.1 Qualified Relapse 
Added that if neurological signs and 
symptoms are identified that are 
consistent with relapse, the participant 
should be evaluated on site 
Clarification; relapse cannot be 
confirmed over the phone 
8.1.1.6 Symbol Digit Modalities 
Test 
Text added to clarify that two different 
SDMT forms will be used, administered at 
alternating visits 
Clarification 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
Amended text to state that images will be 
assessed (not assessed and reported) 
Added that the Treating Investigator can 
have access to the Screening (baseline) 
MRI scan in order to evaluate eligibility 
To correct an error 
 
Access to the Screening (baseline) 
MRI scan is needed to evaluate 
eligibility 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
1.3 Schedule of Activities 
(Main Study) 
Changed ‘Screening/Baseline MRI’ to 
‘Screening (Baseline) MRI’ 
To clarify that the MRI done at 
screening is the baseline MRI, 
rather than suggesting that an MRI 
might be done at the Baseline visit. 
8.1.3 Patient Reported 
Outcomes 
1.3 Schedule of Activities 
Added text to allow an alternative method 
of PRO data collection 
Removed reference to the use of a tablet 
for PRO assessments 
To allow an alternative method of 
collection in the event that a tablet 
cannot be used 
8.2.2 Vital Signs 
Text added to indicate that temperature 
should be measured at the same location 
throughout the study 
To avoid variation in results if 
different methods were used 
8.2.3 Electrocardiograms 
Text amended to indicate that QTcF will 
be automatically calculated in the eCRF; 
it is not obtained from the ECG 
Clarification 
8.2.7 Columbia-Suicide 
Severity Rating Scale 
1.3 Schedule of Activities 
(Main Study and OLE) 
Text added to state that the C-SSRS may 
be administered by an assigned designee 
of the Treating Investigator 
To clarify that the C-SSRS may be 
delegated per Section 6.3.2 
8.3.5 Pregnancy 
Amended all text regarding collection and 
reporting of pregnancy information 
Added that information on pregnant 
partners only needs to be collected in the 
Main Study 
Text updated in accordance with 
new protocol template 
Once a male participant switches 
to evobrutinib in the OLE, it is not 
necessary to collect information on 
pregnancies in their partners 
8.4 Treatment of Overdose 
Definition of overdose amended to: 
“…within a 24-hour time period – [minus] 
6 hours…” 
To prevent erroneous reports of 
overdose 
8.5 Pharmacokinetics 
Tmax removed from list of PK parameters 
for evaluation 
Revisions to definitions of PK parameters 
Tmax is not needed for any analyses 
and will not be calculated 
Correction 
9.1.2 Statistical Hypotheses 
Related to Secondary 
Objectives 
Change to null hypothesis for the 
secondary endpoint CFB in PROMIS 
Fatigue score at 96 weeks 
Correction 
9.4.1 Efficacy Analyses 
Secondary efficacy endpoints: 
Time to 12-week CDP 
Time to 24-week CDP 
9.4.1.2 Efficacy Analyses 
Related to Secondary 
Objectives 
Statistical Analysis Methods: Cox model 
made consistent with Log-rank test which 
has strata defined by randomization strata 
and study ID 
Correction 
9.4.1 Efficacy Analyses 
Tertiary/Exploratory endpoints 
Statistical Analysis Methods:  
 
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Section # and Name 
Description of Change 
Brief Rationale 
Correction to test regarding stratified Cox 
model strata 
Minor edits to text 
Correction 
 
Clarification of statistical methods 
9.4.1 Efficacy Analyses 
Tertiary/Exploratory endpoints 
‘Change in normalized T1 intensity…’ 
endpoint moved to a new row 
New text for statistical method for the 
‘Volume of SELs…’ endpoint 
Correction of statistical method 
based on information from 
NeuroRx indicating one 
postbaseline value per participant 
9.4.4.4 Multiplicity 
Secondary Endpoint Null Hypotheses for 
H05: ‘ΔFatigue ≤ 0’ changed to ‘ΔFatigue ≥ 0’, 
and ‘higher score corresponds to reduced 
fatigure’ changed to ‘higher score 
corresponds to more fatigure’ 
Correction 
10 References 
Additional references added 
In line with changes to text 
Appendix 2 Study Governance 
Study and Site Closure: Text added to 
indicate that new or emerging safety 
information that negatively affects the 
benefit/risk assessment of the clinical 
study may be a reason for closing study 
sites or terminating the study 
Health Authority Request 
Appendix 3 Contraception 
Added missing footnote label ‘a’ 
Added footnote ‘b’ to indicate that if a 
WOCBP is using a highly effective 
method other than sexual abstinence or 
vasectomized partner, AND ALSO has a 
vasectomized partner, the vasectomized 
partner will be considered the “barrier 
method” for study purposes 
Label was missing in footnotes 
Clarification 
Appendix 4 Adverse Events: 
Definitions and Procedures for 
Recording, Evaluating, Follow-
up, and Reporting 
Events Not to Be Considered as 
AEs/SAEs: 
Text added to state that worsening of the 
underlying disease is not routinely 
considered an AE or SAE 
Text on reporting of AESIs was updated 
in line with the latest protocol template 
Alignment with template wording 
 
 
 
 
For clarification and so that EDC 
can be used 
Appendix 5 Clinical Laboratory 
Tests 
Moved some assessments listed in ‘Other 
screening tests’ into new row ‘Other tests’ 
JCV DNA PCR added to list of ‘Other 
screening tests’ 
Estradiol removed from list of ‘Other 
screening tests’ 
 
βhCG removed from routine urinalysis 
 
Teriflunomide footnote amended to 
include all participants undergoing AEP 
Clarification; not all tests listed 
were Screening only 
To include missing information 
 
Estradiol not used to determine 
postmenopausal status in this 
study 
This is a serum test; now listed 
under other tests 
To include females undergoing 
AEP 
Appendix 8 Procedure for 
Accelerated Elimination of 
Teriflunomide 
Text added to allow accelerated 
elimination of teriflunomide in accordance 
with standard of care 
Text added to note that it is only required 
to confirm a level of < 0.02 mg/L after the 
AEP if the AEP is being done for 
pregnancy-related considerations 
To allow accelerated elimination of 
teriflunomide in accordance with 
local guidance 
For clarification 
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Section # and Name
Description of Change
Brief Rationale
Appendix 10 Structured 
Interview at Telephone Visit
New appendix added: ‘Structured 
Interview at Telephone Visit’
Clarification/simplification of 
protocol. Structured interview put 
into place to identify any new or 
worsening neurological symptoms 
that warrant evaluation at an 
unscheduled visit 
Throughout the document
Changes made to align with updated 
protocol template
Minor editorial and document formatting 
revisions
Minor; therefore, have not been 
summarized
Protocol Version 2.0 (09 December 2020)
This amendment is substantial based on the criteria in Article 10(a) of Directive 2001/20/EC of 
the European Parliament and the Council of the European Union.
Overall Rationale for the Amendment
The primary purpose of this amendment is to make changes and clarifications based on feedback 
from early enrolling investigational sites, and newly available data from studies of other agents in 
multiple sclerosis, and to clarify COVID mitigation procedures. A high-level description of each 
change is summarized below, along with its rationale.
Section # and Name
Description of Change
Brief Rationale
Title page
Appendix 12 Sponsor 
Signature Page
 replaces Kristen 
 as Medical Monitor
 is Medical 
Responsible
Changes in personnel
1.1 Synopsis, Study 
Intervention Groups and 
Duration
1.2 Schema
4.1  Overall Design
Additional text included, and minor 
rewording, to clarify the follow-up window 
for ‘confirmation’ of disability progression 
as measured by the EDSS
For additional clarification
1.1 Synopsis
1.2 Schema
4.1 Overall Design
5.5 Screen Failures
Appendix 2 Study Governance
With approval from the Medical Monitor, 
the Screening period may be extended to 
12 weeks maximum (increased from 
8 weeks maximum). See Section 8 Study 
Assessments and Procedures
To allow sufficient time for repeat 
laboratory results and other 
unanticipated events prior to 
randomization
1.1 Synopsis
1.2 Schema
4.1 Overall Design
1.3 Schedule of Activities
Added that female participants may 
undergo AEP at the Investigator’s 
discretion, and that the same AEP 
process should be followed as for male 
participants
To clarify the process in the event 
of a female participant undergoing 
AEP
1.3 Schedule of Activities
(Main Study)
‘F/D’ changed to SFU (Safety Follow-up)
F/D visit window changed from ± 3 days 
to + 3 days
Added note that visit window for Week 4
is ± 2 days
To clarify that this is a safety visit
SFU visit must be ≥28 days after 
last study intervention
Clarification
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PPD
PPD

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Section # and Name 
Description of Change 
Brief Rationale 
1.3 Schedule of Activities 
(Main Study and OLE) 
Telephone Visit:  
Simplified notes and referred to 
Structured Interview 
Clarified individual visits 
Clarification/simplification of 
protocol. Structured interview put 
into place. 
Telephone Visit not required when 
participants attend clinic 
1.3 Schedule of Activities 
(Main Study) 
QuantiFERON testing removed from W48 
and W96 visits 
 
 
Separate row added for TB testing for 
high TB burden countries 
TB testing is only required at 
Screening if the participant resides 
in a country that has a high TB 
burden 
Separated testing in high TB 
burden countries to avoid 
confusion. Clarified that the assay 
used to confirm eligibility should be 
used for monitoring during the 
study 
1.3 Schedule of Activities 
Efficacy 
(Main Study and OLE) 
Added note that neurological evaluation 
EDSS, T25-FW, 9-HPT, and SDMT 
should preferably be done after the PRO 
assessments 
EDSS evaluation: added note that this 
can be done by phone, if available, if the 
participant is unable to attend scheduled 
visit 
To clarify that these should 
preferably be completed before 
other assessments, but PROs are 
done first 
Mitigation in light of the COVID-19 
pandemic, if the participant is 
unable to attend scheduled visit 
Lechner-Scott 2003) 
1.3 Schedule of Activities 
PRO Assessments 
(Main Study) 
SF-36 v2 assessment added at Week 108 
Assessment required at Week 108 
for participants for whom this is 
also D1 of the OLE 
1.3 Schedule of Activities 
PRO Assessments 
(Main Study and OLE) 
PROs: Removed reference to the use of a 
tablet 
For flexibility in method of 
collection 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
C-SSRS: Removed reference to the use 
of a tablet 
For flexibility in method of 
collection 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
Coagulation test will be done at 
Screening, W96, OLE D1 and W144 only 
No exposure-related abnormalities 
in PT or PTT have been identified 
in prior studies of evobrutinib. 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
Text amended to indicate that urinalysis 
will be assessed locally and microscopy 
will be submitted for central evaluation 
only if indicated 
Clarification 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study) 
Noted that a second ECG will be 
collected postdose on Day 1, and that 
additional ECGs can be done at the 
Investigator’s discretion 
To clarify that there are 2 ECGs on 
Day 1 and to allow additional ECGs 
if required 
1.3 Schedule of Activities 
Safety Assessments 
(Main Study and OLE) 
Removed notes regarding telephone 
visits from ‘AE, SAE & AESI Review‘ and 
‘Concomitant Medication and Procedures 
Review’ rows 
Clarification/simplification of 
protocol. Structured interview put 
into place 
1.3 Schedule of Activities 
Study Intervention 
(Main Study) 
Added dispensing of study intervention at 
Week 4 
Requested by the study team 
1.3 Schedule of Activities 
Study Intervention 
(Main Study and OLE) 
Text amended to state when study 
intervention should be administered on 
site: PK sampling days (Main Study) and 
biomarker sample collection days (OLE) 
To clarify when study intervention 
should be administered in the clinic 
 
 
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Section # and Name 
Description of Change 
Brief Rationale 
Removed detail about self-administration 
at home 
To avoid confusion; detail is in 
Section 6.1 
1.3 Schedule of Activities 
Study Intervention 
(Main Study and OLE) 
Compliance: Clarified that participant 
should complete the Participant diary. 
Note added that the diary should be 
reviewed during on-site visits 
Clarification 
1.3 Schedule of Activities 
Biomarkers 
(Main study and OLE) 
8.8.2 Novel Liver Function 
Protein Biomarkers and Novel 
Liver Function Genomic 
Biomarkers 
Removed requirement for novel liver 
function protein and genomic biomarkers 
to be collected prior to first daily dose 
Dosing time is not relevant to 
sample collection time 
1.3 Schedule of Activities 
(OLE) 
Note ‘d’: Added ‘unless they are 
undergoing AEP’ 
The last visit in the main study will 
not be the first visit in the OLE for 
female participants undergoing 
AEP 
1.3 Schedule of Activities 
(OLE) 
Informed consent: Removed reference to 
‘male’ and added reference to notes on 
AEP 
 
Added text so that consent to the OLE 
Period can be given before Day 1 
To clarify that the consent 
procedure for participants 
undergoing AEP also applies to 
females  
Clarification 
1.3 Schedule of Activities 
(OLE) 
Blinded Teriflunomide Levels: note 
amended to refer to all participants 
undergoing AEP rather than male 
participants only 
Sample moved from D1 to AEP period 
Teriflunomide should also be 
measured for females undergoing 
AEP 
 
To correct error 
1.3 Schedule of Activities 
(OLE) 
Medical history was removed from the 
OLE 
Medical history is collected at 
Screening; any changes thereafter 
are recorded as AEs 
1.3 Schedule of Activities 
(OLE) 
Added text to state that a serum 
pregnancy test is only required on Day 1 
of the OLE if the last monthly urine 
pregnancy test was ≥ 1 month ago 
A urine pregnancy test is sufficient 
at this visit unless there has been a 
gap of ≥ 1 month since the last test 
1.3 Schedule of Activities 
(OLE) 
‘QuantiFERON testing’ replaced with ‘TB 
testing’ in high TB burden countries and 
notes aligned with Main Study SoA 
TB test removed from Week 108 
TB testing is only required in the 
OLE if the participant resides in a 
country that has a high TB burden 
Test at Week 108 is unnecessary 
1.3 Schedule of Activities 
Study Intervention 
(OLE) 
Study Intervention(s) Administration: 
Dosing will only occur on site at visits 
when biomarkers are collected 
Dosing does not need to be on site 
for all visits 
1.3 Schedule of Activities 
Safety Assessments 
(OLE) 
Added reference to Section 7.1 in the 
notes section of the OLE Biochemistry 
and Hematology assessments 
To clarify that the criteria for 
discontinuation of study 
intervention apply in the OLE 
2.3 Benefit/Risk Assessment 
Updated list of completed studies with no 
new potential risks emerging 
To provide updated information 
2.3 Benefit/Risk Assessment 
Added text to address potential risk and 
mitigation to decrease risk of severe 
acute respiratory syndrome coronavirus 2 
(SARS CoV-2) infection 
To address new risks associated 
with the emergence of the 
COVID-19 pandemic 
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Section # and Name 
Description of Change 
Brief Rationale 
3 Objectives and Endpoints 
1.1 Synopsis 
Header changed to ‘Objectives and 
Estimands’, and Table 1 changed to a 
2-column format with estimand details 
added 
To comply with change to protocol 
template which clarifies estimand 
strategy 
3 Objectives and Estimands: 
Table 2 Tertiary/Exploratory 
Objectives and Endpoints 
9.4.1 Efficacy Analyses 
Two more endpoints added for the 
evaluation of the efficacy of evobrutinib 
relative to that of teriflunomide on MRI 
parameters 
Previously missing 
3 Objectives and Estimands 
Table 2 Tertiary/Exploratory 
Objectives and Endpoints 
9.4.1 Efficacy Analyses 
 ‘New T1 Gd+ lesions’ changed to ‘T1 
Gd+ lesions’ 
Changes to wording of endpoints 
measured to evaluate the effect on 
composite parameters to use the term 
‘confirmed worsening’ rather than CDP in 
relation to the 9-HPT score and T25-FW 
times 
Clarification that progression or 
worsening should be confirmed 
To align with the correct definition 
for NEDA 
Clarification 
3 Objectives and Estimands: 
Table 2 Tertiary/Exploratory 
Objectives and Endpoints 
Tmax removed from list of PK parameters 
for evaluation 
Tmax is not needed for any analyses 
and will not be calculated 
3 Objectives and Estimands 
Table 3 Objectives and 
Endpoints for the Open Label 
Extension Period 
1.1 Synopsis 
Objectives and endpoints added for 
biomarkers collected during the OLE 
Previously missing 
4.2 Scientific Rationale for 
Study Design 
Rationale for biomarkers added 
Previously missing 
4.4 End of Study Definition 
Expanded definition of study completer 
Clarification 
5 Study Population; 
Appendix 2 Study 
Governance, Informed 
Consent Process 
Removed reference to ‘legal 
representative’ throughout document 
Regulatory authority request (to 
clarify that legal representative will 
not be allowed in the study) 
5.1 Inclusion Criteria 
Inclusion 5: Added text to clarify definition 
of neurologically stable 
Clarification 
5.2 Exclusion Criteria 
Exclusion 6: Wording changed from 
‘within 4 weeks of Screening’ to ‘within 
4 weeks before or during Screening’ 
Clarification in the event of 
extension of the Screening period 
5.2 Exclusion Criteria 
Exclusion 7: ‘QuantiFERON testing’ 
replaced with ‘TB testing’ in high TB 
burden countries. Text added to allow use 
of an alternative test to the assay used at 
Screening per protocol 
Separated testing in high TB 
burden countries to avoid 
confusion. To clarify when an 
orthogonal Interferon Gamma 
Release Assay should be used to 
assess TB status, and that for 
monitoring, the assay used to 
confirm eligibility should be used 
for monitoring during the study 
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Section # and Name 
Description of Change 
Brief Rationale 
5.2 Exclusion Criteria 
Exclusion 8: Amended to include 
reevaluation of false positive 
QuantiFERON results 
Removed text stating that individuals 
should be excluded if T-SPOT.TB is not 
available 
False positive results were not 
addressed in the original protocol 
 
To enable sites to do another 
QuantiFERON if a local 
T-SPOT.TB is not available 
5.2 Exclusion Criteria 
Exclusion 10: reworded to exclude 
participants with highly elevated ferritin 
levels independent of transferrin 
saturation 
Revised after review of current 
guidelines for evaluation of 
hemochromatosis and expert 
consultation. 
5.2 Exclusion Criteria 
Exclusion 14: Amended language 
regarding suicidal behavior and C-SSRS 
scores 
To ensure exclusion of individuals 
considered a significant suicide risk 
and to clarify a time period for the 
assessment 
5.2 Exclusion Criteria 
Exclusion 22: amended time frame for 
discontinuation of treatment with beta-
interferons or glatiramer acetate prior to 
randomization to 1 day 
This does not need to be 
discontinued as early as 4 weeks 
before randomization 
5.2 Exclusion Criteria 
Exclusion 23: Removed reference to 
lymphocyte count as this is in a separate 
criterion 
Clarification 
5.2 Exclusion Criteria 
Exclusion 24: Added that reason for 
switch to teriflunomide must not have 
been because of efficacy or safety related 
considerations 
Clarification regarding study 
population, changes made to 
ensure teriflunomide is an 
appropriate therapeutic option for 
individuals entering the study 
5.2 Exclusion Criteria 
Exclusion 25: 
Amended wording and timing regarding 
use of lymphocyte trafficking blockers 
Added use of S1P inhibitors as an 
exclusion 
Reflects recently published clinical 
trials in RMS indicating that the 
revised exclusion periods are safe 
and appropriate 
5.2 Exclusion Criteria 
Exclusion 26: Time frame for use of IV Ig 
or plasmapheresis prior to randomization 
changed from 12 to 8 weeks 
Reflects recently published clinical 
trials in RMS indicating that the 
revised exclusion periods are safe 
and appropriate 
5.2 Exclusion Criteria 
Exclusion 27: ofatumumab added to list of 
exclusionary treatments 
Clarification. Ofatumumab is a 
B-cell depleting therapy; added to 
avoid confusion as it is now an 
approved agent in some countries 
5.2 Exclusion Criteria 
Exclusion 28: amended to provide timings 
and clarification of immunosuppressive 
medications  
Reflects recently published clinical 
trials in RMS indicating that the 
revised exclusion periods are safe 
and appropriate. Provides more 
complete guidance to sites 
regarding prior treatments. 
5.2 Exclusion Criteria 
Exclusion 30: Removed this exclusion 
criterion (treatment with medical 
marijuana) 
Removed given the complex nature 
of marijuana regulation in different 
countries and lack of anticipated 
impact on patient safety. 
5.2 Exclusion Criteria 
Exclusion 31: Changed the time for 
stopping fish oil supplements from 
4 weeks prior to randomization to just 
prior to randomization (first dose) 
Given size and durability of effects 
of fish oil supplements on 
coagulation, a 4 week period off 
fish oil supplements is not required. 
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Section # and Name 
Description of Change 
Brief Rationale 
5.2 Exclusion Criteria 
6.5.3 Prohibited Medicines 
Exclusion 32:  
Removed text “Diabetes medications 
such as tolbutamide, and pioglitazone, 
repaglinide and rosiglitazone or other 
CYP2C8 substrates are also 
exclusionary” and replaced with “CYP2C8 
substrates with a narrow therapeutic 
index must also be stopped at least 1 day 
prior to randomization” 
Added clarification that CYP2B6 
substrates with a narrow therapeutic 
index, as well as substrates of P-gp, 
BCRP, OCT1, MATE1 and/or MATE2K 
should be used with caution 
 
To correct an error 
 
 
 
 
 
 
 
Clarification on medicines to be 
used with caution. 
5.2 Exclusion Criteria 
 
 
 
7.1 Discontinuation of Study 
Intervention 
Exclusion 34: Amended to permit 
inclusion of participants with HBV DNA 
detectable at levels below 20 IU/mL 
 
 
Clarified level of detectable HBV DNA for 
study intervention discontinuation 
In prior studies of evobrutinib, 
evobrutinib was given to individuals 
with HBV DNA < 20 IU/mL, and 
HBV reactivation was not 
observed.  
To align with change to Exclusion 
Criterion 34 
5.3.2 Exclusion Criteria for 
Open Label Extension Period 
Exclusion 6: Gamma glutamyl transferase 
removed from list of abnormal blood tests 
requiring discontinuation 
Correction aligns OLE exclusion 
criterion with main study stopping 
rules. GGT was included 
unintentionally. 
5.4.1 Meals and Dietary 
Restrictions 
Red wine removed from restrictions 
No clinically relevant interaction 
between red wine and either study 
medication is anticipated. Red wine 
was not prohibited from prior 
studies of evobrutinib and no 
interactions were observed 
6.1 Study Intervention(s) 
Administration 
Dosing Instructions amended 
 
Packaging and Labeling information 
expanded 
To align with elsewhere in the 
protocol 
Clarification 
6.2 Study Intervention(s) 
Preparation, Handling, 
Storage, and Accountability 
Details of storage conditions for 
teriflunomide and its placebo were 
replaced with a reference to the 
teriflunomide product label 
Clarification 
6.3.2 Blinding 
Clarified the wording regarding the 
assignment of a Treating Investigator 
Designee 
Moved the Treating Investigator text 
before the Examining Investigator text 
Added bullet to state that the Treating 
Investigator (or designee) and the 
Examining Investigator (or designee) 
cannot perform the same tests 
Clarification 
 
 
Logical flow 
 
For additional clarity 
6.4 Study Intervention 
Compliance 
8 Study Assessments and 
Procedures 
Clarified that food intake only needs to be 
recorded in the Participant diary around 
the time of dosing on the day prior to PK 
sampling and the day of PK sampling, 
and around the time of the last dose prior 
to evobrutinib concentration assessment 
sampling 
Clarification 
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Section # and Name 
Description of Change 
Brief Rationale 
6.4 Study Intervention 
Compliance 
Added text to indicate that participants 
only need to bring in study intervention at 
study visits ‘during which IMP is 
dispensed’ 
To relieve burden on participants 
6.5 Concomitant Therapy 
6.5.3 Prohibited Medicines 
“During the OLE, initiation of therapy with 
dalfampridine (Ampyra®) is allowed, if 
indicated by the Treating Investigator”: 
text moved from Section 6.5 Concomitant 
Therapy to Section 6.5.3 Prohibited 
Medicines  
Incorrect location 
6.5.1 Rescue Medicine 
Text added to allow use of 
methylprednisolone as an oral formulation 
Text added to allow use of an approved 
equivalent of Acthar gel 
To provide flexibility (particularly in 
light of the Covid-19 pandemic) 
To allow use of an approved 
equivalent of Acthar gel 
6.5.2 Permitted Medicines 
Amended restrictions on use of marijuana 
To align with removal of marijuana 
exclusion criterion 
6.5.3 Prohibited Medicines 
Ofatumumab added to list of medicines 
prohibited during the study 
 
 
Added azathioprine and methotrexate as 
examples of prohibited 
immunosuppressive treatments 
Live-attenuated vaccines added to list of 
medicines prohibited during the study 
Systemic corticosteroids (oral, injected, 
IV) added to list of medicines prohibited 
during the study (topical, intranasal, or 
inhaled corticosteroids are permitted) 
Ofatumumab is a B-cell depleting 
therapy; added to avoid confusion 
as it is now an approved agent in 
some countries 
To align with the updated exclusion 
criterion #28 
 
Omitted in error 
 
Omitted in error 
6.5.4 Other Interventions 
Resveratrol > 500 mg/day added to list of 
herbal and nutritional supplements that 
must be stopped at least 1 week prior to 
randomization 
Resveratrol supplements of 
> 500 mg/day may result in 
clinically significant inhibition of 
CYP3A 
6.9 Management of Adverse 
Events of Interest 
Liver adverse events: 
Level of increase clarified for 
transaminases and bilirubin elevations to 
be considered AESIs 
Amylase and Lipase Elevations: 
CTCAE Grade ≥ 3 elevation changed to 
> 2 × ULN for AESI classification 
Clarification 
 
 
 
To clarify a discrepancy between 
CTCAE Version 4.03 and 
Version 5.0 
7.1 Discontinuation of Study 
Intervention 
Added template mandatory text regarding 
permanent discontinuation (at start of 
section) 
Added text to indicate that the criteria for 
discontinuation of study intervention apply 
during both the main study and the OLE 
Period 
Added local standard of care option for 
accelerated elimination of teriflunomide 
Previously missing 
 
 
Clarification 
 
 
 
To allow investigators to manage 
participants in accordance with 
local standard of care 
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Section # and Name 
Description of Change 
Brief Rationale 
7.1 Discontinuation of Study 
Intervention, Criteria for 
Permanent Discontinuation of 
Study Intervention 
Text added to clarify that the lab criteria 
should be confirmed before study 
intervention is discontinued 
For pregnancy reasons: changed the 
requirement that AEP ‘must’ be 
performed to ‘should’ be performed, and 
teriflunomide level < 0.02 mg/L ‘has to’ be 
reached to ‘should’ be reached 
Added text that a protocol deviation 
should be documented if prohibited 
medication is used 
Clarification 
 
 
This is a decision for the 
Investigator and the participant; it is 
not absolutely mandatory 
 
 
Clarification 
7.1 Discontinuation of Study 
Intervention 
8 Study Assessments and 
Procedures 
Appendix 5 Clinical Laboratory 
Tests 
Erythrocyte sedimentation rate removed 
from list of hepatic assessments 
Erythrocyte sedimentation rate via 
on-site/local laboratory was 
included in error as hsCRP is 
already collected and processed 
via central laboratory 
7.1 Discontinuation of Study 
Intervention 
Criteria for Temporary Discontinuation of 
Study Intervention: 
Amylase retest criteria amended and 
simplified to allow reinitiation of study 
intervention if value decreases to 
≤ 2 × ULN upon retest 
Lipase retest criteria amended and 
simplified to allow reinitiation of study 
intervention if value decreases to 
≤ 2 × ULN upon retest 
To clarify a discrepancy between 
CTCAE Version 4.03 and 
Version 5.0 
7.1 Discontinuation of Study 
Intervention 
Criteria for Temporary Discontinuation of 
Study Intervention: 
Serum creatinine criteria changed to “For 
any increase in serum creatinine > 1.5 × 
ULN but ≤ 3 × ULN…” 
Criteria did not cover an exact 
3 × ULN and required clarification 
7.1 Discontinuation of Study 
Intervention 
8.3.5 Pregnancy 
Changed requirement for AEP in 
pregnant participant from ‘must’ to 
‘should’ be performed 
To align with the AEP 
8 Study Assessments and 
Procedures 
Date of last menstrual period will not be 
collected 
Not required 
8 Study Assessments and 
Procedures 
Additional criteria added for extending the 
Screening Period, and permitted 
extension increased to a maximum of 
12 weeks  
Instructions added for repeating ferritin or 
transferrin saturation tests 
To provide guidance for retesting of 
ferritin or transferring saturation 
tests and allow sufficient time for 
repeat laboratory results and other 
unanticipated events prior to 
randomization 
8 Study Assessments and 
Procedures 
Telephone Visit: Replaced bulleted list of 
discussion items with a reference to the 
Structured Interview in Appendix 10 
Clarification/simplification of 
protocol. Structured interview put 
into place. 
8.1.1 Neurological 
Assessment 
Added text to clarify the assignment of a 
Qualified Examining Designee 
Clarification 
8.1.1.1 Qualified Relapse 
Added that if neurological signs and 
symptoms are identified that are 
consistent with relapse, the participant 
should be evaluated on site 
Clarification; relapse cannot be 
confirmed over the phone 
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Section # and Name 
Description of Change 
Brief Rationale 
8.1.1.6 Symbol Digit Modalities 
Test 
Text added to clarify that two different 
SDMT forms will be used, administered at 
alternating visits 
Clarification 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
Amended text to state that images will be 
assessed (not assessed and reported) 
Added that the Treating Investigator can 
have access to the Screening (baseline) 
MRI scan in order to evaluate eligibility 
To correct an error 
 
Access to the Screening (baseline) 
MRI scan is needed to evaluate 
eligibility 
8.1.2 Brain Magnetic 
Resonance Imaging Scans 
1.3 Schedule of Activities 
(Main Study) 
Changed ‘Screening/Baseline MRI’ to 
‘Screening (Baseline) MRI’ 
To clarify that the MRI done at 
screening is the baseline MRI, 
rather than suggesting that an MRI 
might be done at the Baseline visit. 
8.1.3 Patient Reported 
Outcomes 
1.3 Schedule of Activities 
Added text to allow an alternative method 
of PRO data collection 
Removed reference to the use of a tablet 
for PRO assessments 
To allow an alternative method of 
collection in the event that a tablet 
cannot be used 
8.2.2 Vital Signs 
Text added to indicate that temperature 
should be measured at the same location 
throughout the study 
To avoid variation in results if 
different methods were used 
8.2.3 Electrocardiograms 
Text amended to indicate that QTcF will 
be automatically calculated in the eCRF; 
it is not obtained from the ECG 
Clarification 
8.2.7 Columbia-Suicide 
Severity Rating Scale 
1.3 Schedule of Activities 
(Main Study and OLE) 
Text added to state that the C-SSRS may 
be administered by an assigned designee 
of the Treating Investigator 
To clarify that the C-SSRS may be 
delegated per Section 6.3.2 
8.3.5 Pregnancy 
Amended all text regarding collection and 
reporting of pregnancy information 
Added that information on pregnant 
partners only needs to be collected in the 
Main Study 
Text updated in accordance with 
new protocol template 
Once a male participant switches 
to evobrutinib in the OLE, it is not 
necessary to collect information on 
pregnancies in their partners 
8.4 Treatment of Overdose 
Definition of overdose amended to: 
“…within a 24-hour time period – [minus] 
6 hours…” 
To prevent erroneous reports of 
overdose 
8.5 Pharmacokinetics 
Tmax removed from list of PK parameters 
for evaluation 
Revisions to definitions of PK parameters 
Tmax is not needed for any analyses 
and will not be calculated 
Correction 
9.1.2 Statistical Hypotheses 
Related to Secondary 
Objectives 
Change to null hypothesis for the 
secondary endpoint CFB in PROMIS 
Fatigue score at 96 weeks 
Correction 
9.4.1 Efficacy Analyses 
Secondary efficacy endpoints: 
Time to 12-week CDP 
Time to 24-week CDP 
9.4.1.2 Efficacy Analyses 
Related to Secondary 
Objectives 
Statistical Analysis Methods: Cox model 
made consistent with Log-rank test which 
has strata defined by randomization strata 
and study ID 
Correction 
9.4.1 Efficacy Analyses 
Tertiary/Exploratory endpoints 
Statistical Analysis Methods:  
Correction to test regarding stratified Cox 
model strata 
Minor edits to text 
 
Correction 
 
Clarification of statistical methods 
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Section # and Name 
Description of Change 
Brief Rationale 
9.4.1 Efficacy Analyses 
Tertiary/Exploratory endpoints 
‘Change in normalized T1 intensity…’ 
endpoint moved to a new row 
New text for statistical method for the 
‘Volume of SELs…’ endpoint 
Correction of statistical method 
based on information from 
NeuroRx indicating one 
postbaseline value per participant 
9.4.4.4 Multiplicity 
Secondary Endpoint Null Hypotheses for 
H05: ‘ΔFatigue ≤ 0’ changed to ‘ΔFatigue ≥ 0’, 
and ‘higher score corresponds to reduced 
fatigure’ changed to ‘higher score 
corresponds to more fatigure’ 
Correction 
10 References 
Additional references added 
In line with changes to text 
Appendix 2 Study Governance 
Study and Site Closure: Text added to 
indicate that new or emerging safety 
information that negatively affects the 
benefit/risk assessment of the clinical 
study may be a reason for closing study 
sites or terminating the study 
Health Authority Request 
Appendix 3 Contraception 
Added missing footnote label ‘a’ 
Added footnote ‘b’ to indicate that if a 
WOCBP is using a highly effective 
method other than sexual abstinence or 
vasectomized partner, AND ALSO has a 
vasectomized partner, the vasectomized 
partner will be considered the “barrier 
method” for study purposes 
Label was missing in footnotes 
Clarification 
Appendix 4 Adverse Events: 
Definitions and Procedures for 
Recording, Evaluating, Follow-
up, and Reporting 
Events Not to Be Considered as 
AEs/SAEs: 
Text added to state that worsening of the 
underlying disease is not routinely 
considered an AE or SAE 
Text on reporting of AESIs was updated 
in line with the latest protocol template 
Alignment with template wording 
 
 
 
 
For clarification and so that EDC 
can be used 
Appendix 5 Clinical Laboratory 
Tests 
Moved some assessments listed in ‘Other 
screening tests’ into new row ‘Other tests’ 
JCV DNA PCR added to list of ‘Other 
screening tests’ 
Estradiol removed from list of ‘Other 
screening tests’ 
 
βhCG removed from routine urinalysis 
 
Teriflunomide footnote amended to 
include all participants undergoing AEP 
Clarification; not all tests listed 
were Screening only 
To include missing information 
 
Estradiol not used to determine 
postmenopausal status in this 
study 
This is a serum test; now listed 
under other tests 
To include females undergoing 
AEP 
Appendix 8 Procedure for 
Accelerated Elimination of 
Teriflunomide 
Text added to allow accelerated 
elimination of teriflunomide in accordance 
with standard of care 
Text added to note that it is only required 
to confirm a level of < 0.02 mg/L after the 
AEP if the AEP is being done for 
pregnancy-related considerations 
To allow accelerated elimination of 
teriflunomide in accordance with 
local guidance 
For clarification 
Appendix 10 Structured 
Interview at Telephone Visit 
New appendix added: ‘Structured 
Interview at Telephone Visit’ 
Clarification/simplification of 
protocol. Structured interview put 
into place to identify any new or 
worsening neurological symptoms 
that warrant evaluation at an 
unscheduled visit  
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Section # and Name 
Description of Change 
Brief Rationale 
Throughout the document 
Changes made to align with updated 
protocol template 
Minor editorial and document formatting 
revisions 
Minor; therefore, have not been 
summarized 
Protocol Version 1.4-LTU (16-September-2020)  
This amendment is nonsubstantial based on the criteria in Article 10(a) of Directive 2001/20/EC 
of the European Parliament and the Council of the European Union because it neither significantly 
impacts the safety or physical/mental integrity of participants nor the scientific value of the study. 
Overall Rationale for the Amendment 
This local amendment increases the number of physical examinations that are performed during 
the study (both Treatment Period and the Open Label Extension Period). 
 
Section # and Name 
Description of Change 
Brief Rationale 
1.3 Schedule of Activities  The frequency of full physical examinations 
has been increased to every 3 months 
(12 weeks) during the Treatment Phase 
and the Open Label Extension Phase 
The frequency of physical 
examinations has been increased 
to every 3 months to align with 
local requirements  
Protocol Version 1.3-NOR (25-August-2020)  
This amendment is nonsubstantial based on the criteria in Article 10(a) of Directive 2001/20/EC 
of the European Parliament and the Council of the European Union because it neither significantly 
impacts the safety or physical/mental integrity of participants nor the scientific value of the study. 
Overall Rationale for the Amendment 
This local amendment updates the protocol to add a definition of the criteria used for study 
termination. 
 
Section # and Name 
Description of Change 
Brief Rationale 
Appendix 2 Study 
Governance 
Added text under Study and Site 
Closure section 
A definition for the criteria for study 
termination has been added  
Protocol Version 1.2-DEU (04 August 2020)  
This amendment is nonsubstantial based on the criteria in Article 10(a) of Directive 2001/20/EC 
of the European Parliament and the Council of the European Union because it neither significantly 
impacts the safety or physical/mental integrity of participants nor the scientific value of the study. 
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Overall Rationale for the Amendment 
This local amendment updates the Medical Responsible, deletes language referring to the 
participant’s legal representative and updates the benefit/risk assessment to account for the 
Caronavirus disease 2019 (COVID-19) pandemic. 
Section # and Name 
Description of Change 
Brief Rationale 
Title page;  
Appendix 11, Sponsor 
Signature Page 
Updated with new Medical Responsible 
Change in personnel  
2.3 Benefit/Risk 
Assessment 
Added text to address potential risk and 
mitigation to decrease risk of severe 
acute respiratory syndrome coronavirus 2 
(SARS-CoV-2) infection  
To address new risks associated with 
the emergence of the COVID-19 
pandemic 
5.0, Study Population; 
Appendix 2 Study 
Governance 
Deleted reference to participant’s legal 
representative 
Removal of template language not 
applicable for the trial 
Protocol Version 1.1-CAN (03 July 2020)  
This amendment is nonsubstantial based on the criteria in Article 10(a) of Directive 2001/20/EC 
of the European Parliament and the Council of the European Union because it neither significantly 
impacts the safety or physical/mental integrity of participants nor the scientific value of the study. 
Overall Rationale for the Amendment 
This local amendment has been created to align the Clinical Study Protocol with the Canadian 
Product Monograph for Aubagio® (teriflunomide). 
Section # and Name 
Description of Change 
Brief Rationale 
5.4.2 – Caffeine, Alcohol 
and Tobacco 
Section has been rephrased  
Alignment with the Canadian Product 
Monograph for teriflunomide 
 
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Appendix 13
Coordinating Investigator Signature Page
Study Title:
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Regulatory Agency Identifying 
Numbers:
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Clinical Study Protocol Version:
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Site Number:
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Name, academic degree:
Function/Title:
Institution:
Address:
Telephone number:
Fax number:
E-mail address:
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Evobrutinib 
Phase III Study of Evobrutinib in RMS 
MS200527_0082 
 
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Appendix 14 
Principal Investigator Signature Page  
Study Title: 
A Phase III, Multicenter, Randomized, Parallel Group, 
Double Blind, Double Dummy, Active Controlled Study 
of Evobrutinib Compared with Teriflunomide, in 
Participants with Relapsing Multiple Sclerosis to 
Evaluate Efficacy and Safety. 
Regulatory Agency Identifying 
Numbers: 
EudraCT: 2019-004980-36 
US IND: 129428 
Clinical Study Protocol Version: 
Version 6.0 / 27 April 2023 
Site Number: 
 
I am responsible for the conduct of the study at this site, and understand and will conduct it per the 
clinical study protocol, any approved protocol amendments, International Council on 
Harmonisation Good Clinical Practice (Topic E6) and all applicable Health Authority 
requirements and national laws. 
I also understand that Health Authorities may require the Sponsors of clinical studies to obtain and 
supply details about ownership interests in the Sponsor or Investigational Medicinal Product and 
any other financial ties with the Sponsor. The Sponsor will use any such information solely for 
complying with the regulatory requirements. Therefore, I agree to supply the Sponsor with any 
necessary information regarding ownership interest and financial ties including those of my spouse 
and dependent children, and to provide updates as necessary to meet Health Authority 
requirements. 
____________________________________ 
____________________________ 
Signature 
Date of Signature 
 
Name, academic degree: 
 
Function/Title: 
 
Institution: 
 
Address: 
 
Telephone number: 
 
Fax number: 
 
E-mail address: 
 
 
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