Conditions: Waldenstrom Macroglobulinemia
Allocation: NA | Intervention model: SINGLE_GROUP
Enrollment: 16
Healthy volunteers: no

Brief summary:
The purpose of this study is to evaluate overall response rate (ORR) by Independent Review Committee (IRC) assessment, when combined with rituximab in Japanese participants with treatment naïve or relapsed/refractory Waldenstrom's Macroglobulinemia (WM).

Detailed description:

Arms:
arm 1: Participants will receive ibrutinib 420 milligram (mg) orally, once daily, from Day 1 of Week 1 until disease progression or unacceptable toxicity in combination with rituximab 375 milligram per square meter (mg/m\^2) intravenously (IV) on Day 1 of Weeks 1 to 4 and Weeks 17 to 20.

Interventions: intervention 1: Ibrutinib intervention 2: Rituximab
Intervention descriptions: intervention 1: Ibrutinib 420 mg will be administered orally. intervention 2: Rituximab 375 mg/m\^2 will be administered intravenously.

Protocol document:
Prot_002.pdf: 
 
CONFIDENTIAL – FOIA Exemptions Apply in U.S. 
1
Status: Approved, Date: 2 September 2022
Janssen Pharmaceutical K.K.*
Clinical Protocol
 
Protocol Title
Phase 2 Study of Bruton’s Tyrosine Kinase (BTK) Inhibitor, Ibrutinib (PCI-32765) in
Combination With Rituximab, in Japanese Patients With Waldenstrom’s
Macroglobulinemia (WM)
Protocol 54179060WAL2002; Phase 2
AMENDMENT 3
 
JNJ-54179060 (ibrutinib)
 
*This study is being conducted by Janssen Pharmaceutical K.K. in Japan. The term “sponsor” is used
throughout the protocol to represent Janssen Pharmaceutical K.K.
Status: 
Approved
Date: 
2 September 2022
Prepared by: Janssen Pharmaceutical K.K.
EDMS number: 
EDMS-ERI-181113970, 5.0
GCP Compliance: This study will be conducted in compliance with Good Clinical Practice, and applicable regulatory
requirements.
Confidentiality Statement
The information provided herein contains Company trade secrets, commercial or financial information that the Company
customarily holds close and treats as confidential.  The information is being provided under the assurance that the recipient
will maintain the confidentiality of the information under applicable statutes, regulations, rules, protective orders or
otherwise.
NCT04062448


JNJ-54179060 (ibrutinib) 
 
 
Clinical Protocol 54179060WAL2002 Amendment 3
 
CONFIDENTIAL – FOIA Exemptions Apply in U.S. 
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Status: Approved, Date: 2 September 2022
PROTOCOL AMENDMENT SUMMARY OF CHANGES TABLE
DOCUMENT HISTORY
Document 
Date
Amendment 3 
2 Sep 2022
Amendment 2 
25 May2020
Amendment 1 
31 Oct 2019
Original Protocol 
12 Jun 2019
Amendment 3 (2 Sep 2022)
Overall Rationale for the Amendment: To update dose modification guidance for ibrutinib.
Section Number 
and Name
Description of Change 
Brief Rationale
6.1.1.3. Dose 
Modification for 
Adverse Reactions 
Added Grade 2 cardiac failure to the list of 
toxicities requiring dose modification. 
 
Added footnote to existing dose modification
Table 2 to indicate that dose may be restarted at
the same or lower dose after first occurrence of a
toxicity, based on benefit-risk evaluation.
 
Added a new table (Table 3) describing specific
dose modifications for cardiac failure or cardiac
arrhythmias.
To update the dose modification
guidance for ibrutinib-related
toxicities.
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Status: Approved, Date: 2 September 2022
TABLE OF CONTENTS
PROTOCOL AMENDMENT SUMMARY OF CHANGES TABLE ............................................................. 2
TABLE OF CONTENTS .......................................................................................................................... 3
LIST OF IN-TEXT TABLES AND FIGURES ............................................................................................ 5 
1. 
PROTOCOL SUMMARY ................................................................................................................ 7
1.1. 
Synopsis ..................................................................................................................................... 7
1.2. 
Schema ...................................................................................................................................... 9
1.3. 
Schedule of Activities (SoA) ...................................................................................................... 10
2. 
INTRODUCTION .......................................................................................................................... 13
2.1. 
Study Rationale......................................................................................................................... 15
2.2. 
Background............................................................................................................................... 15
2.3. 
Benefit-Risk Assessment .......................................................................................................... 17
2.3.1. 
Risks for Study Participation .................................................................................................. 17
2.3.2. 
Benefits for Study Participation .............................................................................................. 19
2.3.3. 
Benefit-Risk Assessment for Study Participation .................................................................... 20
3. 
OBJECTIVES AND ENDPOINTS ................................................................................................. 20
4. 
STUDY DESIGN ........................................................................................................................... 21
4.1. 
Overall Design .......................................................................................................................... 21
4.2. 
Scientific Rationale for Study Design ......................................................................................... 22
4.2.1. 
Study-Specific Ethical Design Considerations ........................................................................ 23
4.3. 
Justification for Dose ................................................................................................................. 23
4.4. 
End of Study Definition .............................................................................................................. 23
5. 
STUDY POPULATION ................................................................................................................. 24
5.1. 
Inclusion Criteria ....................................................................................................................... 24
5.2. 
Exclusion Criteria ...................................................................................................................... 27
5.3. 
Lifestyle Considerations ............................................................................................................ 29
5.4. 
Screen Failures ......................................................................................................................... 30
6. 
STUDY INTERVENTION .............................................................................................................. 31
6.1. 
Study Intervention Administered ................................................................................................ 31
6.1.1. 
Ibrutinib ................................................................................................................................. 31
6.1.1.1. 
Dose and Administration ..................................................................................................... 31
6.1.1.2. 
Dose Hold, Reduction or Discontinuation of Ibrutinib ........................................................... 31
6.1.1.3. 
Dose Modification for Adverse Reactions ............................................................................ 31
6.1.1.4. 
Dose Modification for Hepatic Impaired Participants ............................................................ 33
6.1.2. 
Rituximab .............................................................................................................................. 33
6.1.2.1. 
Dosage, Preparation, and Administration of Rituximab ........................................................ 33
6.1.2.2. 
Dose Delay of Rituximab ..................................................................................................... 33
6.1.2.3. 
Dose Interruption of Rituximab ............................................................................................ 34
6.1.2.4. 
Dose Modification of Rituximab ........................................................................................... 34
6.1.2.5. 
Rituximab Associated Tumor Flare (IgM Flare) .................................................................... 34
6.1.2.6. 
Criteria for Permanent Discontinuation of Study Intervention ............................................... 34
6.2. 
Preparation/Handling/Storage/Accountability ............................................................................. 35
6.3. 
Measures to Minimize Bias: Randomization and Blinding .......................................................... 36
6.4. 
Study Intervention Compliance .................................................................................................. 36
6.5. 
Concomitant Therapy ................................................................................................................ 36
6.5.1. 
Permitted Concomitant Medications ....................................................................................... 36
6.5.2. 
Medications to be Used with Caution ..................................................................................... 37
6.5.2.1. 
Drugs That may Alter Ibrutinib Plasma Concentrations ........................................................ 37
6.5.2.2. 
Drugs That may Have Their Plasma Concentrations Altered by Ibrutinib ............................. 37
6.5.2.3. 
Concomitant Use of Antiplatelet Agents and Anticoagulants ................................................ 38
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Status: Approved, Date: 2 September 2022
6.5.3. 
Prohibited Concomitant Medications ...................................................................................... 38
6.6. 
Dose Modification ..................................................................................................................... 38
6.7. 
Intervention After the End of the Study ...................................................................................... 38
7. 
DISCONTINUATION OF STUDY INTERVENTION AND PARTICIPANT
DISCONTINUATION/WITHDRAWAL ........................................................................................... 39
7.1. 
Discontinuation of Study Intervention ........................................................................................ 39
7.2. 
Participant Discontinuation/Withdrawal From the Study ............................................................. 39
7.2.1. 
Withdrawal From the Use of Research Samples .................................................................... 40
7.3. 
Lost to Follow-up ....................................................................................................................... 40
8. 
STUDY ASSESSMENTS AND PROCEDURES ............................................................................ 41
8.1. 
Screening Phase ....................................................................................................................... 42
8.1.1. 
Screening Visit ....................................................................................................................... 42
8.2. 
Treatment Phase ...................................................................................................................... 43
8.2.1. 
Week 1 .................................................................................................................................. 43
8.2.2. 
Weeks 2, 3, and 4 .................................................................................................................. 44
8.2.3. 
Weeks 5, 9 and 13 ................................................................................................................. 44
8.2.4. 
Week 17 ................................................................................................................................ 44
8.2.5. 
Weeks 18 to 20 ...................................................................................................................... 45
8.2.6. 
Week 21 ................................................................................................................................ 45
8.2.7. 
Week 25 Onwards Until PD or Unacceptable Toxicity (Every 8 Weeks) .................................. 46
8.2.8. 
Suspected PD Visit ................................................................................................................ 46
8.2.9. 
End-of-Treatment Visit ........................................................................................................... 47
8.3. 
Follow-up Phase ....................................................................................................................... 47
8.3.1. 
Response Follow-up Visits (Until PD) ..................................................................................... 47
8.3.2. 
Survival Follow-up Visits ........................................................................................................ 48
8.4. 
Efficacy Assessments ............................................................................................................... 48
8.4.1. 
Quantitative Serum Immunoglobulins ..................................................................................... 49
8.4.2. 
Serum Immunofixation ........................................................................................................... 49
8.4.3. 
Serum Protein Electrophoresis (SPEP) .................................................................................. 49
8.4.4. 
Serum Free Light Chain Assay............................................................................................... 49
8.4.5. 
Serum Viscosity ..................................................................................................................... 49
8.4.6. 
Radiographic Imaging ............................................................................................................ 50
8.4.6.1. 
Radiographic Assessment .................................................................................................. 50
8.4.7. 
Bone Marrow Sampling and Pathologic Diagnosis.................................................................. 51
8.5. 
Safety Assessments .................................................................................................................. 51
8.5.1. 
Adverse Events ..................................................................................................................... 52
8.5.1.1. 
Reporting of Tumor Flare .................................................................................................... 52
8.5.2. 
Physical Examinations ........................................................................................................... 52
8.5.3. 
Vital Signs ............................................................................................................................. 53
8.5.4. 
ECOG.................................................................................................................................... 53
8.5.5. 
Electrocardiograms ................................................................................................................ 53
8.5.6. 
Clinical Safety Laboratory Assessments ................................................................................. 53
8.6. 
Adverse Events and Serious Adverse Events ............................................................................ 54
8.6.1. 
Time Period and Frequency for Collecting Adverse Event and Serious Adverse Event
Information ............................................................................................................................ 54
8.6.2. 
Follow-up of Adverse Events and Serious Adverse Events ..................................................... 54
8.6.3. 
Regulatory Reporting Requirements for Serious Adverse Events ........................................... 55
8.6.4. 
Pregnancy ............................................................................................................................. 55
8.6.5. 
Adverse Events of Special Interest ......................................................................................... 55
8.7. 
Treatment of Overdose ............................................................................................................. 55
8.8. 
Pharmacokinetics ...................................................................................................................... 56
8.8.1. 
Evaluations ............................................................................................................................ 56
8.8.2. 
Analytical Procedures ............................................................................................................ 56
8.8.3. 
Pharmacokinetic Parameters and Evaluations........................................................................ 57
8.9. 
Pharmacodynamics................................................................................................................... 57
8.10. 
Biomarkers ............................................................................................................................... 57
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Status: Approved, Date: 2 September 2022
9. 
STATISTICAL CONSIDERATIONS .............................................................................................. 58
9.1. 
Statistical Hypotheses ............................................................................................................... 58
9.2. 
Sample Size Determination ....................................................................................................... 58
9.3. 
Populations for Analyses ........................................................................................................... 58
9.4. 
Statistical Analyses ................................................................................................................... 58
9.4.1. 
General Considerations ......................................................................................................... 59
9.4.2. 
Primary Endpoint ................................................................................................................... 59
9.4.3. 
Secondary Endpoints ............................................................................................................. 59
9.4.4. 
Safety Analyses ..................................................................................................................... 60
9.4.5. 
Other Analyses ...................................................................................................................... 61
9.5. 
Interim Analysis......................................................................................................................... 61
9.6. 
Data Monitoring Committee or Other Review Board................................................................... 61
10. SUPPORTING DOCUMENTATION AND OPERATIONAL CONSIDERATIONS ........................... 62
10.1. 
Appendix 1: Abbreviations ......................................................................................................... 62
10.2. 
Appendix 2: Clinical Laboratory Tests........................................................................................ 64
10.3. 
Appendix 3: Regulatory, Ethical, and Study Oversight Considerations ....................................... 65
REGULATORY AND ETHICAL CONSIDERATIONS ....................................................................... 65
FINANCIAL DISCLOSURE .............................................................................................................. 68
INFORMED CONSENT PROCESS ................................................................................................. 68
DATA PROTECTION ...................................................................................................................... 69
LONG-TERM RETENTION OF SAMPLES FOR ADDITIONAL FUTURE RESEARCH ..................... 70
COMMITTEES STRUCTURE .......................................................................................................... 70
PUBLICATION POLICY/DISSEMINATION OF CLINICAL STUDY DATA ......................................... 70
DATA QUALITY ASSURANCE ........................................................................................................ 72
CASE REPORT FORM COMPLETION ........................................................................................... 72
SOURCE DOCUMENTS ................................................................................................................. 72
MONITORING ................................................................................................................................. 73
ON-SITE AUDITS............................................................................................................................ 74
RECORD RETENTION ................................................................................................................... 74
STUDY AND SITE START AND CLOSURE .................................................................................... 75
10.4. 
Appendix 4: Adverse Events: Definitions and Procedures for Recording, Evaluating,
Follow-up, and Reporting .......................................................................................................... 76
ADVERSE EVENT DEFINITIONS AND CLASSIFICATIONS ........................................................... 76
ATTRIBUTION DEFINITIONS ......................................................................................................... 77
SEVERITY CRITERIA ..................................................................................................................... 77
SPECIAL REPORTING SITUATIONS ............................................................................................. 78
PROCEDURES ............................................................................................................................... 78
CONTACTING SPONSOR REGARDING SAFETY.......................................................................... 79
PRODUCT QUALITY COMPLAINT HANDLING .............................................................................. 79
10.5. 
Appendix 5: Contraceptive and Barrier Guidance and Collection of Pregnancy Information ........ 81
10.6. 
Appendix 6: Child-Pugh Scores for Participants with Chronic Liver Impairment .......................... 84
10.7. 
Appendix 7: Inhibitors and Inducers of CYP3A .......................................................................... 85
10.8. 
Appendix 8: ECOG Status Scores ............................................................................................. 86
10.9. 
Appendix 9: Protocol Amendment History.................................................................................. 87
10.10. Appendix 10: GUIDANCE ON STUDY CONDUCT DURING THE COVID-19 PANDEMIC ......... 89
11. REFERENCES ............................................................................................................................. 93
INVESTIGATOR AGREEMENT ............................................................................................................ 95
LIST OF IN-TEXT TABLES AND FIGURES
TABLES
Table 1: 
WM International Prognostic Scoring System (IPSS) ............................................................ 14
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Status: Approved, Date: 2 September 2022
Table 2: 
Ibrutinib Dose Modifications for Events not Specified in Table 3............................................ 32
Table 3: 
Ibrutinib Dose Modifications for Cardiac Failure or Cardiac Arrhythmias ............................... 32
Table 4: 
Dose Modification for Rituximab Toxicity .............................................................................. 34
Table 5: 
Grading for Adverse Events of IgM Associated Tumor Flare ................................................. 52
Table 6: 
Pharmacokinetic Sample Schedule ...................................................................................... 56
FIGURES
Figure 1: Schematic Overview of the Study ........................................................................................... 9
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Status: Approved, Date: 2 September 2022
1. 
PROTOCOL SUMMARY
1.1. 
Synopsis
Phase 2 Study of Bruton’s Tyrosine Kinase (BTK) Inhibitor, Ibrutinib (PCI-32765) in Combination With
Rituximab, in Japanese Patients With Waldenstrom’s Macroglobulinemia (WM)
IMBRUVICA® (Ibrutinib, PCI-32765; JNJ-54179060) is an orally administered, covalently-binding
inhibitor of BTK that is being codeveloped by Pharmacyclics LLC (an AbbVie Company) and Janssen
Research & Development LLC for a variety of B-cell malignancies, including WM, and also for chronic
graft versus host disease (cGVHD). In Japan, ibrutinib is approved for chronic lymphocytic leukemia (CLL)
and previously treated mantle cell lymphoma (MCL).
OBJECTIVES, ENDPOINTS, AND HYPOTHESIS
Objectives 
Endpoints
Primary
 
To evaluate ORR by IRC assessment, when
combined with rituximab in Japanese participants
with treatment naïve or relapsed/refractory WM.
 
The ORR is defined as the proportion of
participants with CR, VGPR, or PR (ie, ≥PR) by
IRC assessment. Response will be defined by the
modified sixth IWWM (NCCN version 2, 2019).27
Secondary
 
To assess PFS by IRC assessment. 
 
PFS is defined as duration from the date of initial
dose of ibrutinib to the date of disease progression
or death, whichever occurs first.
 
To determine the PK of ibrutinib in combination
with rituximab in Japanese participants with
treatment naïve or relapsed/refractory WM.
 
PK parameters of ibrutinib and metabolite
PCI-45227 (if possible and judged relevant).
 
To explore biomarkers identified from other
studies of ibrutinib in samples collected for
MYD88 and CXCR-4 assessments.
 
Prognostic biomarkers relative to disease and/or
treatment outcomes including MYD88 and
CXCR-4.
 
To evaluate safety of ibrutinib, when combined
with rituximab in Japanese participants with
treatment naïve or relapsed/refractory WM.
 
Safety parameters of ibrutinib, including AEs and
clinical laboratory assessments.
Keys: AE adverse event; CR complete response; CXCR 4 C X C chemokine receptor type 4; IRC independent review
committee; IWWM International Workshop on Waldenstrom’s Macroglobulinemia; MYD88 myeloid differentiation
primary response gene 88; NCCN National Comprehensive Cancer Network; ORR overall response rate; PFS progression
free survival; PK pharmacokinetics; PR partial response; VGPR very good partial response; WM Waldenstrom’s
Macroglobulinemia
Hypothesis
The primary hypothesis of this study is that ibrutinib in combination with rituximab is an effective agent in
Japanese participants with treatment naïve or relapsed/refractory WM as measured by an ORR (the lower
bound of exact 95% confidence interval [CI] based on binomial distribution >32%).
OVERALL DESIGN
This is an open-label, single arm, multicenter Phase 2 study to evaluate the efficacy and safety of ibrutinib
420 mg in combination with rituximab in Japanese participants (≥20 years of age) with treatment naïve or
relapsed/refractory WM.
The primary efficacy endpoint is ORR by independent review committee (IRC) assessment upon treatment
with ibrutinib, when combined with rituximab in Japanese participants with treatment naïve or
relapsed/refractory WM. Overall response rate is defined as the proportion of participants who achieve
NCT04062448


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Status: Approved, Date: 2 September 2022
complete response (CR), VGPR, or PR according to modified sixth International Workshop on
Waldenstrom’s Macroglobulinemia (IWWM) (National Comprehensive Cancer Network [NCCN]
version 2, 2019).27
NUMBER OF PARTICIPANTS
A target number of 14 participants will be enrolled in this study.
INTERVENTION GROUPS AND DURATION
All eligible participants will be treated with study intervention as follows.
Study Intervention
Ibrutinib 420 mg (140 mg×3 capsules) orally administered daily beginning from Day 1 in Week 1 until
disease progression or unacceptable toxicity.
Rituximab 375 mg/m2 intravenous (IV) per prescribing information weekly for 4 consecutive weeks,
followed by a second course of once-weekly rituximab for 4 consecutive weeks after a 12-week interval.
Day 1 of Weeks 1 to 4 and Weeks 17 to 20 (total of 8 infusions of rituximab).
PHARMACOKINETIC EVALUATIONS
Blood samples will be collected for the PK assessment. Plasma concentrations of ibrutinib and PCI-45227
(metabolite) will be determined.
BIOMARKER EVALUATIONS
Myeloid differentiation primary response gene 88 (MYD88), C-X-C chemokine receptor type 4 (CXCR-4),
and other genetic and genomic alterations thought to be prognostic of disease and/or treatment outcomes
will be evaluated.
SAFETY EVALUATIONS
Safety will be assessed by adverse events (AEs), clinical laboratory test results (hematology, coagulation
parameters, and chemistry), electrocardiogram (ECG), physical examination findings, and vital signs
measurements.
The study will include the evaluations of safety and tolerability according to the timepoints provided in the
Schedule of Activities (SoA).
STATISTICAL METHODS
A clinical cutoff for the primary analysis for all efficacy and safety endpoints will be conducted at the time
when all participants complete the assessment of Week 57 or end-of-treatment (EOT) visit. Final analysis
will be conducted at the study end, when all the participants have completed all planned assessments or
have discontinued the study.
For primary endpoint, the ORR by IRC assessment with 95% CI will be calculated with the exact test for
binomial distribution. For secondary endpoints, the Kaplan-Meier method will be used to descriptively
summarize the PFS in the all treated analysis, median PFS and the corresponding 95% CI will be provided
(if estimable) with Kaplan-Meier plot, the PK parameters and the plasma concentration data of ibrutinib
may be used for population PK analysis; MYD88, CXCR-4, and other genetic and genomic alterations
thought to be prognostic of disease and/or treatment outcome may be tested.
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Status: Approved, Date: 2 September 2022
1.2. 
Schema
Figure 1: 
Schematic Overview of the Study
Screening Phase
(Within 30 days prior to first dose of study
intervention)
Assess participant eligibility 
→ 
Ineligible
↓
Eligible
↓
Treatment Phase
STUDY INTERVENTION: ibrutinib 420 mg
(140 mg×3 capsules) orally, once daily,
continuously starting on Day 1 of Week 1 until
disease progression or unacceptable toxicity.
Rituximab 375 mg/m2 IV on Day 1 of Weeks 1-4
and Weeks 17-20.
→
Treatment discontinuation
In case of discontinuation of study intervention
because of disease progression, unacceptable toxicity,
or treatment discontinuation decision by
investigator/participant, the participant should
complete the end-of-treatment visit.
 
 
↓ 
 
 
Prior to confirmed disease 
progression
Response Follow-up
Phase
Continue efficacy
evaluations every
12 weeks (±7 days)
 
 
↓
 
 
Following confirmed disease progression
Survival Follow-up Phase
Follow-up for survival status and record subsequent
anti-WM therapies and other malignancies every
12 weeks (±7 days) until death, withdrawal of consent,
lost to follow-up, or study terminated by sponsor,
whichever comes first
Keys: IV intravenous, WM Waldenstrom’s macroglobulinemia.
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Status: Approved, Date: 2 September 2022
c. 
All participants must first read, understand, and sign the IRB approved informed consent form (ICF) before any study specific screening procedures are performed.
d. 
Physical examination includes: general appearance of the participant, height (screening only), weight, and examination per clinical practice.
e. 
Only a limited symptom directed physical examination is required. Review of symptoms should include inquiry of ocular symptoms; participants should be referred to an
ophthalmologist for a formal examination if any eye related symptoms of severity ≥Grade 2 are reported.
f. 
Only for Week 1 Day 1, if the screening tests were performed within 3 days of the first dose of ibrutinib, assessments do not need to be repeated.
g. 
Women of childbearing potential only. Highly sensitive serum (β human chorionic gonadotropin [β hCG]) pregnancy test required at screening and urine pregnancy test required at
Day 1 prior to first dose. If the test result is positive, the investigator should discuss with Medical Monitor and/or gynecologist and the pregnancy must be ruled out to be eligible.
h. 
Participants who are positive for Hepatitis C antibody should have documented 24 weeks of sustained virologic response in order to be eligible for the study.
i. 
Subsequent Serum viscosity (after screening) should be performed at the discretion of the treating physician in any participant with signs and symptoms suggesting a hyperviscosity
syndrome.
j. 
Repetitive serum immunofixation on study is only required to confirm a complete response (conducted on the first observation that the participant has no detectable monoclonal
protein) and then repeated at every study visit until disease progression.
k. 
Pharmacokinetic samples will be drawn for all participants according to the schedule in Section 8.8.2.
l. 
These parameters will be used to assess possible tumor flare (IgM flare) after initiating treatment for safety observations.
m. 
CT scans of the neck, chest, abdomen, and pelvis should be obtained during screening (up to 42 days before first dose) for each participant.
n. 
Follow up CT scans should be performed at Week 57 for each participant. Other follow up CT scans will be required at Weeks 17, 33, 49, and every 24 weeks after Week 57 for all
participants with measurable nodal/extranodal disease during screening. Additional assessments may be performed if clinically indicated during the course of the study at any time.
o. 
CT scan at suspected PD visit may be performed if clinically indicated as reason for progression.
p. 
Bone marrow aspirate and biopsy will be required at any time after screening to confirm a complete response. A clinical sample up to 60 days before first dose of ibrutinib can be
used. A portion of these samples may be used for biomarker assessments.
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Status: Approved, Date: 2 September 2022
2. 
INTRODUCTION
IMBRUVICA (Ibrutinib, PCI-32765; JNJ-54179060) is a first-in-class, potent, orally administered,
covalently-binding inhibitor of BTK that is being codeveloped by Pharmacyclics LLC (an AbbVie
Company) and Janssen Research & Development LLC for a variety of B-cell malignancies,
including WM and also for chronic graft versus host disease (cGVHD).16
In Japan, ibrutinib is approved for CLL/SLL and previously treated MCL. For the most
comprehensive nonclinical and clinical information regarding ibrutinib, refer to the latest version
of the Investigator's Brochure (IB) for ibrutinib.16
The term “study intervention” throughout the protocol, refers to ibrutinib in combination with
rituximab.
The term "sponsor" used throughout this document refers to the entities listed in the Protocol
Supplementary Information page(s), which will be provided as a separate document.
The term "participant" throughout the protocol refers to the common term "subject".
Waldenstrom’s Macroglobulinemia
Waldenstrom’s macroglobulinemia (WM) is an indolent subtype of B-cell non-Hodgkin
lymphoma characterized by infiltration of malignant B lymphoplasmacytic cells into the bone
marrow with demonstration of an immunoglobulin (Ig) M monoclonal gammopathy.
Waldenstrom’s macroglobulinemia is a subtype of lymphoplasmacytic lymphoma (LPL) as
defined by the Revised European-American Lymphoma and the World Health Organization
(WHO) classification systems.13,14,31,32 Clinical manifestations of WM include cytopenias resulting
from bone marrow infiltration by lymphoplasmacytic cells and IgM paraprotein-related symptoms
such as cryoglobulinemia, the cold agglutinin syndrome, demyelinating neuropathy, and
symptomatic hyperviscosity.
The proposed diagnostic criteria are: a) IgM monoclonal gammopathy of any concentration,
b) bone marrow infiltration by small lymphocytes, plasmacytoid cells, and plasma cells, c) diffuse,
interstitial, or nodular pattern of bone marrow infiltration, d) immunophenotypic studies showing
profile: CD19+, CD20+, and sIgM+. In some cases of WM, CD5, CD10, and CD23 can be
expressed and does not exclude diagnosis.27
It is reported that the proportion of patients with WM/LPL accounts for <1% of patients with non-
Hodgkin's lymphoma and 70% patients with LPL are considered as WM in Japan.17,24 According
to a survey by the Ministry of Health, Labour, and Welfare (MHLW) in 2017, the total number of
patients with malignant lymphoma in Japan is approximately 68,000.25 Therefore, it is considered
that the number of patients with WM/LPL and WM in Japan are estimated to be approximately
<680 and <480, respectively, and these are very rare diseases in Japan.
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Treatment of Waldenstrom’s macroglobulinemia
Treatment for WM is recommended only for symptomatic disease. If there are no symptoms,
careful watching is performed without treatment. Although WM remains an incurable disease,
some therapies for WM may improve patients’ quality of life (QOL) by relief of WM symptoms.
The treatment options for treatment naïve or relapsed/refractory WM include alkylating agents (eg,
cyclophosphamide or bendamustine), nucleoside analogs (cladribine or fludarabine), rituximab
alone, rituximab in combination with alkylator-based chemotherapy, bortezomib-based therapy,
nucleoside analog-based therapy, or thalidomide. Ibrutinib has been approved for treatment of WM
in some countries including United States (US) by Food and Drug Administration (FDA) and
European Union (EU) by the European Medicines Agency (EMA) and recommended as either
single agent or combination therapy with rituximab (by NCCN and European Society for Medical
Oncology [ESMO] guidelines).20,27 For patients with untreated or relapsed/refractory WM,
rituximab-based regimen, combination chemotherapies, monotherapy including rituximab,
bendamustine, or bortezomib are recommended in the guideline of Japanese Society of
Hematology.18
Factors associated with a poor prognosis include advanced age, high beta 2-microglobulin (β2M),
low albumin, cytopenia, serum IgM monoclonal protein, and organomegaly. An international
prognostic scoring system for newly diagnosed WM patients was developed based on 5 factors:
Age (>65 years), β2M (>3 mg/L), anemia (Hb ≤11.5 g/dL), thrombocytopenia (≤100×109/L), IgM
monoclonal gammopathy (>7.0 g/dL) with 5-year survival ranging from 36% to 87% in high and
low-risk patients, respectively (Table 1).26
Table 1: 
WM International Prognostic Scoring System (IPSS)
 
Low-risk  
Intermediate-risk 
High-risk
Number of risk factors 
≤1 (except age) 
2 or age >65 years 
>2 Risk factors
Percentage of patients 
27% 
38% 
35%
5-year survival rate 
87% 
68% 
36%
A widely expressed mutation, the MYD88L265P, was identified and provided insight into a potential
oncogenic driving event in WM.35 The MYD88L265P mutation was present in >90% of tumor
samples from patients with WM. This mutation results in tonic MYD88-IRAK signaling that
activates the NF-κB and mitogen-activated protein kinase (MAPK) pathways that are important
for the growth and survival of WM cells.35 The role of BTK signaling, and the impact of inhibition
of BTK on WM cell signaling and survival has been studied in MYD88L265P-expressing WM
cells.36
Ibrutinib, a potent and selective inhibitor of BTK, reduces the association of BTK to MYD88L265P,
but not to MYD88 WT and significantly reduced downstream NF-κB, MAPK, and signal transducer
and activator of transcription 3 (STAT3) signaling, and induced apoptosis in the MYD88L265P-
expressing cell lines BCWM-1 and MCWL-1.37 Therefore, ibrutinib has been hypothesized to have
potentially important clinical activity in WM by virtue of the role of BTK as a critical signaling
kinase in the MYD88 signaling pathway. Moreover, ibrutinib represents a therapeutic option
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targeted to a specific signaling pathway involved in WM, in contrast to the currently utilized agents
in Japan.
Clinical benefit of ibrutinib in WM has been demonstrated in 2 global pivotal studies,
PCYC-1118E as monotherapy and PCYC-1127-CA as combination therapy with rituximab. These
studies led to the approval of ibrutinib for WM in some countries worldwide.
2.1. 
Study Rationale
Ibrutinib is considered as a novel treatment option specifically targeting signaling pathway
involved in WM and has been approved for treatment of WM based on results of 2 pivotal studies
PCYC-1118E and PCYC-1127-CA in some countries including US and EU, and is recommended
as either single agent or combination therapy with rituximab (by NCCN and ESMO
guidelines).20,27 It could be an additional treatment option for Japanese patients with treatment
naïve or relapsed/refractory WM.
Since no Japanese participants were enrolled in the global studies, the proposed
study 54179060WAL2002 is designed based on PCYC-1127-CA study to confirm the efficacy
and safety in Japanese patients with treatment naïve or relapsed/refractory WM.
2.2. 
Background
Nonclinical Studies
In vitro and in vivo genetic toxicity studies showed that ibrutinib is not genotoxic. There were no
effects observed on male or female fertility or reproductive capacities in a rat fertility study.
Results from an immunotoxicity assessment of ibrutinib in rats were consistent with the expected
pharmacology of the drug and included dose-associated decreases in B-lymphocyte numbers,
lymphoid depletion in the white pulp of the spleen and decreased immunoglobulin responses to
keyhole limpet hemocyanin (KLH) immunization.16 For the most comprehensive nonclinical
information regarding ibrutinib refer to the latest version of the ibrutinib IB and Addenda.16
Clinical Studies
Across the clinical development program in various indications, data to date demonstrate clinically
meaningful efficacy with an acceptable safety profile. Ibrutinib activity has been observed in
participants with B-cell malignancies including WM. The efficacy of ibrutinib was demonstrated
in participants with WM (as monotherapy in Phase 2 study PCYC-1118E and in combination with
rituximab in Phase 3 study PCYC-1127-CA).16
Efficacy of Ibrutinib in Waldenstrom s Macroglobulinemia
Study PCYC-04753 is a Phase 1, dose-escalating study of ibrutinib in participants with recurrent
B-cell lymphoma. The study enrolled 4 men with relapsed/refractory WM who received a median
of 3 prior systemic regimens and were treated at 2 different dose levels (560 mg/day and
12.5 mg/kg/day). One of the 4 subjects achieved disease stabilization according to the treating
physician but later discontinued ibrutinib due to progressive disease after 8 months. Remaining
3 subjects achieved a PR (IgM reduction of at least 50% from baseline). The induced responses
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were durable, and all 3 responders rolled over to the extension study and continued to receive
treatment with ibrutinib for >4 years. In addition to the clinically significant IgM decrease in the
3 responders, all 4 subjects had an increase in their hemoglobin and hematocrit levels over time
during the treatment.
Study PCYC-1118E evaluated the efficacy and tolerability of single agent ibrutinib 420 mg once
daily in 63 participants with relapsed/refractory WM. The response rate of MR or better (≥MR)
per investigator assessment using criteria adopted from the response criteria of the third IWWM
was 87.3% (95% CI: 76.5, 94.4). The response rate of MR or better (≥MR) per IRC assessment
using criteria adopted from the response criteria of the IWWM21 was 82.5% (95% CI: 70.9, 90.9).
The response rate of PR or better (CR+VGPR+PR) was 69.8% and 61.9% per investigator
assessment and per IRC assessment, respectively. The PFS at 19 months per investigator
assessment was 83.2% and per IRC assessment was 79.5%. Study PCYC-1118E led to the
approval of ibrutinib in the US, EU, and other countries worldwide for WM patients.
The Phase 3 study PCYC-1127-CA is a randomized, double-blind, placebo-controlled study to
evaluate safety and efficacy of ibrutinib in combination with rituximab in participants with either
treatment naïve or previously treated WM. In addition, an open-label substudy investigated the
safety and efficacy of ibrutinib monotherapy in participants with WM who were considered
refractory to the last prior rituximab-containing therapy.
In the randomized study, 150 participants were randomized in a 1:1 ratio to receive ibrutinib plus
rituximab or placebo plus rituximab. The median time on study was 26.5 months at the time of the
primary analysis (26.7 months for the ibrutinib plus rituximab arm and 26.0 months for the placebo
plus rituximab arm). Analysis of PFS per the IRC demonstrated a statistically significant reduction
in the risk of disease progression or death in the ibrutinib plus rituximab arm compared to the
placebo plus rituximab arm (hazard ratio 0.202, p<0.0001). The ORR (PR or better) per IRC
assessment was significantly higher for the ibrutinib plus rituximab arm (72.0%) than the placebo
plus rituximab arm (32.0%) (p<0.0001).
Thirty-one participants were enrolled in the open-label ibrutinib monotherapy substudy of
PCYC-1127-CA, all of whom received ibrutinib and comprised the population used for efficacy
analyses. The median time on study was 34.4 months. Efficacy results show that ibrutinib 420 mg
once daily is highly active for participants with rituximab refractory WM. Median PFS per IRC
assessment was not reached; the 30-month landmark estimate was 57.5%. The ORR (PR or better)
per IRC assessment was 71.0%.
In 2018, US FDA agreed that labeling of ibrutinib was updated for combination with rituximab for
the treatment of WM in US. This was based on the results from the Phase 3 study
PCYC-1127-CA.7
For the most comprehensive clinical information, please refer to the latest version of the ibrutinib
IB and Addenda, including Section 5 Summary of data and guidance for the investigator.16
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Human Pharmacokinetics
In healthy subjects and in patients with B-cell malignancies, ibrutinib is readily absorbed with a
median time to maximum concentration (tmax) of 1 to 2 hours and half-life of 4 to 6 hours. Exposure
increases proportionally with dose. Metabolized primarily by cytochrome P450 (CYP)3A4,
ibrutinib is rapidly cleared, mainly in the form of metabolites, and is eliminated primarily via feces.
Biomarker of MYD88 and CXCR-4
MYD88L265P and CXCR4WHIM somatic mutations are highly prevalent in WM to be considered as
important predictive biomarkers for ibrutinib therapy (see Section 4.2).
In study PCYC-1118E, MYD88L265P was present in 89% (56/63) of participants, and CXCR4WHIM
was present in 34% (21/62) of participants. Number of participants with MYD88L265PCXCR4WT,
MYD88L265PCXCR4WHIM, and MYD88WTCXCR4WT were 34, 21, and 7, respectively, and the
response rates (≥PR) by investigator assessment were 91.2%, 61.9%, and 28.6%, respectively.34
In study PCYC-1127-CA, MYD88L265P was present in 84.1% (58/69) of participants, and
CXCR4WHIM was present in 37.7% (26/69) of participants in ibrutinib plus rituximab arm. Number
of participants with MYD88L265PCXCR4WT, MYD88L265PCXCR4WHIM, and MYD88WTCXCR4WT
were 32, 26, and 11, respectively, and the response rates (≥PR) by IRC assessment were 78.1%,
73.1%, and 63.6%, respectively.5
Safety of Ibrutinib
As of 12 November 2018, 4,604 participants have received ibrutinib in the clinical program
(excluding ibrutinib exposure in extension studies and ongoing blinded studies). Of these,
1,870 participants were exposed to ibrutinib in monotherapy studies, 2,244 participants were
exposed to ibrutinib in combination therapy studies, and 490 healthy volunteers were exposed to
ibrutinib in PK and tolerability monotherapy studies. An overview of the potential risks associated
with the administration of ibrutinib, based on sponsor-initiated clinical studies is presented in the
IB for ibrutinib and is outlined below.
Combination Therapy
Rituximab is a chimeric human/mouse antibody that targets the CD20 surface antigen which is
almost always present on WM cells.4,6,22,30 In study PCYC-1127-CA, ibrutinib in combination with
rituximab is well-tolerated in participants with WM. Overall, the observed safety profile of the
combination regimen was similar to the known individual safety profiles of ibrutinib and rituximab.
The rates of infusion-related reactions and tumor flares, which are common in rituximab therapy
were reduced in the ibrutinib plus rituximab arm as compared to the placebo plus rituximab arm.
2.3. 
Benefit-Risk Assessment
2.3.1. 
Risks for Study Participation
Cardiac Arrhythmias
Atrial fibrillation, atrial flutter, and cases of ventricular tachyarrhythmia including some fatal
events, have been reported in participants treated with ibrutinib, particularly in participants with
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cardiac risk factors, hypertension, acute infections, and a previous history of cardiac arrhythmia.
Participants will be periodically monitored for cardiac arrhythmia. Participants who develop
arrhythmic symptoms (eg, palpitations, lightheadedness, syncope, chest discomfort, or new onset
dyspnea) should be evaluated clinically, and if indicated, have an ECG performed. For cardiac
arrhythmias which persist, consider the risks and benefits of ibrutinib treatment, and follow the
dose modification guidelines.
Bleeding-related Events
There have been reports of bleeding events in participants treated with ibrutinib, both with and
without thrombocytopenia. These include minor bleeding events such as contusion, epistaxis, and
petechiae; and major bleeding events, some fatal, including gastrointestinal (GI) bleeding,
intracranial hemorrhage, and hematuria. In an in vitro platelet function study, inhibitory effects of
ibrutinib on collagen induced platelet aggregation were observed.
Use of either anticoagulants or antiplatelet agents concomitantly with ibrutinib increases the risk
of major bleeding. A higher risk for major bleeding was observed with anticoagulant than with
antiplatelet agents. The risks and benefits of anticoagulant or antiplatelet therapy should be
considered when coadministered with ibrutinib. Signs or symptoms of bleeding should be
monitored. Supplements such as fish oil and vitamin E preparations should be avoided. Ibrutinib
should be held at least 3 to 7 days pre- and postsurgery depending upon the type of surgery and
the risk of bleeding. Participants with congenital bleeding diathesis have not been studied.
Cytopenias
Treatment-emergent Grade 3 or 4 cytopenias (neutropenia, thrombocytopenia, and anemia) were
reported in participants treated with ibrutinib. Complete blood counts should be monitored
carefully.
Diarrhea
Diarrhea is the most frequently reported nonhematologic AE with ibrutinib monotherapy and
combination therapy. Participants should be monitored carefully for gastrointestinal AEs and
cautioned to maintain fluid intake to avoid dehydration. Medical evaluation should be made to rule
out other etiologies such as Clostridium difficile or other infectious agents. For participants with
severe and prolonged symptoms, ibrutinib should be considered to follow dose modification
guidelines (see Section 6.1.1).
Infections
Infections (including sepsis, bacterial, viral, or fungal infections) were observed in participants
treated with ibrutinib therapy. Some of these infections have been associated with hospitalization
and death. For participants who are at increased risk for opportunistic infections prophylaxis
should be considered according to the standard of care. Although causality has not been established,
cases of progressive multifocal leukoencephalopathy and hepatitis B reactivation have occurred in
participants treated with ibrutinib. Participants should be monitored for signs and symptoms (fever,
chills, weakness, confusion, vomiting, and jaundice) and appropriate therapy should be instituted
as indicated.
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Interstitial Lung Disease
Cases of interstitial lung disease (ILD) have been reported in participants treated with ibrutinib.
Participants will be monitored for pulmonary symptoms indicative of ILD. In case of onset of
symptoms, ibrutinib will be interrupted and ILD will be managed appropriately. If symptoms
persist, the risks and benefits of ibrutinib treatment should be considered and the dose modification
guidelines should be followed.
Nonmelanoma Skin Cancer
Nonmelanoma skin cancers have occurred in participants treated with ibrutinib. Participants will
be monitored for the appearance of nonmelanoma skin cancer.
Rash
Rash has been commonly reported in participants treated with either single agent ibrutinib or in
combination with chemotherapy. Rash occurred at a higher rate in the ibrutinib arm than in the
ofatumumab arm in study PCYC-1112-CA. Most rashes were mild to moderate in severity.
Isolated cases of severe cutaneous adverse reactions (SCARs) including Stevens-Johnson
syndrome (SJS) have been reported in participants treated with ibrutinib. Participants should be
closely monitored for signs and symptoms suggestive of SCAR including SJS. Participants
receiving ibrutinib should be observed closely for rashes and treated symptomatically, including
interruption of the suspected agent as appropriate. In addition, hypersensitivity-related events
including erythema, urticaria, and angioedema have been reported.
Hypertension
Hypertension has been commonly reported in participants treated with ibrutinib. Participants will
be monitored for any new onset of hypertension or hypertension that is not adequately controlled
after starting ibrutinib. Adjust existing antihypertensive medications and/or initiate
antihypertensive treatment as appropriate.
Tumor Lysis Syndrome
Tumor lysis syndrome has been reported with ibrutinib therapy. Patients at risk of tumor lysis
syndrome are those with high tumor burden prior to treatment. Participants will be closely
monitored and appropriate precautions will be taken.
Risks Relevant With Rituximab
Tumor flare (IgM flare) has been reported after initiation of rituximab therapy for the patients with
WM (see Section 5.3 and Section 6.1.2.5). Refer to the current rituximab label for detailed
information on risks of rituximab.29
2.3.2. 
Benefits for Study Participation
In study PCYC-1118E, ibrutinib monotherapy resulted in high rates of response (≥PR); the
responses were rapid and durable and improved over time. Most subjects were progression-free
and alive at 18 months. In study PCYC-1127-CA, treatment with ibrutinib in combination with
rituximab had high overall response and improvement of PFS in participants with treatment naïve
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and previously treated WM. Considering the results of studies PCYC-1118E and PCYC-1127-CA,
the participants may benefit from treatment outcome observed in this study.
2.3.3. 
Benefit-Risk Assessment for Study Participation
Taking into account the measures taken to minimize risk to participants participating in this study,
the potential risks identified in association with ibrutinib are justified by the anticipated benefits
that may be gained in participants with treatment naïve or relapsed/refractory WM.
3. 
OBJECTIVES AND ENDPOINTS
Objectives 
Endpoints
Primary
 
To evaluate ORR by IRC assessment, when
combined with rituximab in Japanese
participants 
with 
treatment 
naïve 
or
relapsed/refractory WM.
 
The ORR is defined as the proportion of
participants with CR, VGPR, or PR (ie, ≥PR)
by IRC assessment. Response will be defined
by the modified sixth IWWM (NCCN version
2, 2019).27
Secondary 
 
To assess PFS by IRC assessment. 
 
PFS is defined as duration from the date of
initial dose of ibrutinib to the date of disease
progression or death, whichever occurs first.
 
To determine the PK of ibrutinib in
combination with rituximab in Japanese
participants 
with 
treatment 
naïve 
or
relapsed/refractory WM.
 
PK parameters of ibrutinib and metabolite
PCI-45227 (if possible and judged relevant).
 
To explore biomarkers identified from other
studies of ibrutinib in samples collected for
MYD88 and CXCR-4 assessments.
 
Prognostic biomarkers relative to disease
and/or treatment outcomes including MYD88
and CXCR-4.
 
To evaluate safety of ibrutinib, when
combined with rituximab in Japanese
participants 
with 
treatment 
naïve 
or
relapsed/refractory WM.
 
Safety parameters of ibrutinib, including AEs
and clinical laboratory assessments.
Keys: AE adverse event; CR complete response; CXCR 4 C X C chemokine receptor type 4; IRC independent review
committee; IWWM International Workshop on Waldenstrom’s Macroglobulinemia; MYD88 myeloid differentiation
primary response gene 88; NCCN National Comprehensive Cancer Network; ORR overall response rate; PFS progression
free survival; PK pharmacokinetics; PR partial response; VGPR very good partial response; WM Waldenstrom’s
Macroglobulinemia.
Refer to Section 8, Study Assessments and Procedures for evaluations related to endpoints.
HYPOTHESIS
The primary hypothesis of this study is that ibrutinib in combination with rituximab is an effective
agent in Japanese participants with treatment naïve or relapsed/refractory WM as measured by an
ORR (the lower bound of exact 95% CI based on binomial distribution >32%).
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4. 
STUDY DESIGN
4.1. 
Overall Design
This is an open-label, single arm, multicenter Phase 2 study to evaluate the efficacy and safety of
ibrutinib 420 mg in combination with rituximab in Japanese participants (≥20 years of age) with
treatment naïve or relapsed/refractory WM.
The participation period will consist of a screening phase, a treatment phase, and a follow-up phase.
The screening phase assessments will be performed ≤30 days prior to study intervention initiation.
In this study, eligible participants will have clinicopathological diagnoses of WM in accordance
with the consensus panel of the second IWWM. Pathologic diagnosis will also be reviewed by a
central pathologist (see Section 8.4.7).28
The treatment phase will extend from first dose of ibrutinib until the EOT visit (which should
occur after 30 days of last dose of ibrutinib or prior to the start of a new anticancer treatment). All
participants will receive IV administration of rituximab weekly for 4 consecutive weeks, followed
by a second course of IV rituximab administered weekly for 4 consecutive weeks after a 12-week
interval. All participants will receive oral ibrutinib daily and continuously until criteria for
permanent discontinuation of ibrutinib are met (see Section 7.1, Discontinuation of Study
Intervention). Response assessments will be performed using the modified consensus criteria
adapted from the sixth IWWM  
 (NCCN version 2, 2019).27 Participants with confirmed PD must
discontinue the study intervention.
The primary efficacy endpoint is ORR by IRC assessment in Japanese participants with treatment
naïve or relapsed/refractory WM when ibrutinib is combined with rituximab. Overall response rate
is defined as the proportion of participants who achieve CR, VGPR, or PR according to modified
sixth IWWM (NCCN version 2, 2019).27
A clinical cutoff of the primary endpoint, ORR (≥PR), will be conducted at the time when all the
participants complete assessment of Week 57 or EOT visit. The response evaluable population is
defined as all enrolled participants who have measurable disease at baseline, received at least
1 dose of ibrutinib, and have at least 1 adequate postbaseline disease assessment for responses
(consecutive assessments are required for the CR, VGPR, PR, and MR except radiology
assessment and bone marrow). Adequate disease assessment is defined as having sufficient
evidence to correctly indicate that progression has or has not occurred. Participants who died due
to progression are also considered to have had adequate assessment. At the same time, secondary
endpoints will be evaluated.
The ORR in patients in the ibrutinib plus rituximab arm and in the placebo plus rituximab arm
from the PCYC-1127-CA study were 72% and 32%, respectively. Assuming an expected ORR of
72% for the current study, 14 participants are needed to demonstrate that the lower limit of exact
2-sided 95% CI of estimated ORR exceeds 32% with 80% power.
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In order to maintain the study population as similar as possible to study PCYC-1127-CA, the
number of both treatment naïve WM patients and relapsed/refractory WM patients in this study
should be at least 6 participants for each subpopulation.
An IRC and an external safety monitoring committee will be commissioned for this study. Refer
to Committees Structure in Section 10.3, Appendix 3, Regulatory, Ethical, and Study Oversight
Considerations for details.
Blood samples will be collected to assess the PK and biomarkers as described in in Sections 8.8
and 8.10, respectively.
A diagram of the study design is provided in Section 1.2, Schema.
4.2. 
Scientific Rationale for Study Design
The ibrutinib-rituximab combination in study PCYC-1127-CA resulted in a compelling and
statistically significant efficacy profile over extended rituximab alone; the combination extended
PFS and produced durable responses in both treatment naïve and previously treated participants.
The rapid reduction in IgM levels, especially in patients at high-risk to develop hyperviscosity
(>5 g/L),8,9,12 and the sustained improvement in hemoglobin levels, demonstrate the patient-related
benefits of ibrutinib-based therapy in preventing hyperviscosity upon treatment initiation and
improvement in cytopenias or symptoms, such as anemia and fatigue, typically the most common
reasons for initiating treatment for WM. The clinical efficacy, improvement in disease-related
symptoms, and long-term tolerability is reflected by the substantial prolongation of time-to-next
treatment with ibrutinib-rituximab over rituximab alone.
Since no Japanese participants were enrolled in the global studies, the proposed
study 54179060WAL2002 is designed based on PCYC-1127-CA study to confirm the efficacy of
ORR and safety in Japanese patients with treatment naïve or relapsed/refractory WM. Primary
endpoint will be ORR by IRC assessment instead of PFS because of very limited sample size and
lack of a randomized control arm. Response assessment will be done based on the modified sixth
IWWM (NCCN version 2, 2019)27 response criteria same as in PCYC-1127-CA study.
Biomarker Collection
Blood samples for biomarker assessment will be collected at predose Week 1 to study pretreatment
prognostic factors.
A somatic mutation of the MYD88 has been identified in nearly 90% of WM patients that appears
to drive WM growth and proliferation.35 Additionally, a group of somatic mutations in CXCR-4
(a chemokine receptor) gene that are similar to germline mutations in germline genetic WHIM
syndrome (warts, hypogammaglobulinemia, infections, and myelokathexis10), have been found in
around 30% of WM patients.1,2,15 The MYD88L265P and CXCR4WHIM somatic mutations statuses,
which are important predictive biomarkers, will be evaluated in Japanese patients with WM for
this study.
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4.2.1. 
Study-Specific Ethical Design Considerations
Potential participants will be fully informed of the risks and requirements of the study and, during
the study, participants will be given any new information that may affect their decision to continue
participation. They will be told that their consent to participate in the study is voluntary and may be
withdrawn at any time with no reason given and without penalty or loss of benefits to which they
would otherwise be entitled. Only participants who are fully able to understand the risks, benefits,
and potential AEs of the study, and provide their consent voluntarily will be enrolled.
This is an open-label, single arm study and all participants will receive the study intervention.
Ibrutinib is considered as a novel treatment option specifically targeting signaling pathway
involved in WM and has been approved for treatment of WM based on results of 2 pivotal studies
in some countries including US and EU. It could be an additional treatment option for Japanese
patients with WM. In this study, bone marrow biopsy and/or aspirate to be collected is considered
to be a common practice and acceptable for participants participating in a cancer clinical study.
The total blood volume to be collected (see Section 8) is considered to be an acceptable amount of
blood to be collected over this time period from the population in this study.
4.3. 
Justification for Dose
The proposed rituximab regimen of weekly dose for 4 weeks and 4 additional weekly infusions of
rituximab reported higher response rates (44% and 48%)9,33 compared with standard dose (ie, 4
weekly infusions at 375 mg/m2) in WM.11
The proposed dose for ibrutinib is 420 mg per day (3×140 mg capsules) administered once daily
without interruption. In the Phase 2 study (PCYC-1118E), the 420 mg dose administered once
daily appeared safe and favorable responses were seen in participants with previously treated WM.
Combination of ibrutinib with rituximab was subsequently confirmed as safe and effective for WM
in PCYC-1127-CA. In this study, PK of ibrutinib in Japanese patients will be evaluated and
confirmed if it is consistent with non-Japanese patients. Given no drug-drug interaction is
identified between ibrutinib and rituximab to date, and PK of ibrutinib has been confirmed as
consistent between Japanese and non-Japanese patients, the proposed doses of both ibrutinib and
rituximab in this study with Japanese WM patients are identical to those used in the global studies.
4.4. 
End of Study Definition
End of Study Definition
The end of study is considered as the last scheduled study assessment shown in the Schedule of
Activities (SoA) (Section 1.3) for the last participant in the study. The final data from the study
site will be sent to the sponsor (or designee) after completion of the final participant assessment at
that study site, in the time frame specified in the Clinical Trial Agreement.
The study will be terminated before the defined end of study is reached if marketing approval is
granted for the indication from the MHLW in Japan.
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5. 
STUDY POPULATION
Screening for eligible participants will be performed within 30 days before administration of the
study intervention. Refer to Section 5.4, Screen Failures for conditions under which the repeat of
any screening procedures is allowed.
The Inclusion and Exclusion Criteria for enrolling participants in this study are described below.
If there is a question about these criteria, the investigator must consult with the appropriate sponsor
representative and resolve any issues before enrolling a participant in the study. Waivers are not
allowed.
For a discussion of the statistical considerations of participant selection, refer to Section 9.2,
Sample Size Determination.
5.1. 
Inclusion Criteria
Each potential participant must satisfy all of the following criteria to be enrolled in the study:
1. 
Japanese man or woman ≥20 years of age.
2. 
Clinicopathological diagnosis of WM in accordance with the consensus panel of the
second IWWM.23
3. 
Japanese patients with treatment naïve or relapsed/refractory WM:
a. Relapsed/refractory patients must meet following criteria:
1) To have either documented disease progression or had no response (stable
disease) to the most recent treatment regimen.
2) In case of patients who have received treatment containing rituximab,
those who have not been relapsed after the last rituximab-containing
therapy <12 months since last dose of rituximab and have achieved at
least a MR after the last rituximab-containing therapy should be included.
3) To have received no more than 5 regimens. Separate lines of therapy are
defined as single or combination therapies that are either separated by
disease progression or by a >6-month treatment-free interval.
4. 
Measurable disease defined as serum monoclonal IgM >0.5 g/dL.
5. 
Symptomatic disease meeting at least 1 of the recommendations from the second
IWWM for requiring treatment.28
a. Constitutional symptoms documented in the participant’s chart with
supportive objective measures, as appropriate, defined as one or more of the
following disease-related symptoms or signs:
1) Unintentional weight loss ≥10% within the previous 6 months prior to
screening
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2) Fevers higher than 38.0°C for 2 or more weeks prior to screening without
evidence of infection
3) Night sweats for more than 1 month prior to screening without evidence
of infection
b. Clinically relevant fatigue which is not relieved by rest due to WM
c. Symptomatic hyperviscosity or serum viscosity levels >4.0 centipoises
d. Lymphadenopathy which is either symptomatic or bulky (≥5 cm in maximum
diameter)
e. Symptomatic hepatomegaly or splenomegaly or organ tissue infiltration
f. 
Peripheral neuropathy due to WM
g. Symptomatic cryoglobulinemia
h. Cold agglutinin anemia
i. 
IgM related immune hemolytic anemia and/or thrombocytopenia
j. 
Nephropathy related to WM
k. Amyloidosis related to WM
l. 
Hemoglobin ≤10 g/dL
m. Platelet count <100,000 cells/µL
n. Serum monoclonal protein >5 g/dL, with or without overt clinical symptoms
6. 
Eastern Cooperative Oncology Group (ECOG) performance status of ≤2.
7. 
Adequate organ, hepatic and renal function defined as follows:
a. Absolute neutrophil count (ANC) >750 cells/µL independent of growth factor
support within 7 days
b. Platelets >50,000 cells/µL independent of transfusion support within 7 days
c. Hemoglobin ≥8.0 g/dL independent of transfusion support or growth factor
support within 7 days
d. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST)
<3.0×upper limit of normal (ULN)
e. Total bilirubin ≤1.5×ULN (unless due to Gilbert’s syndrome)
f. 
Estimated creatinine clearance (CrCl) ≥30 mL/min (Cockcroft-Gault
equation)
8. 
Prothrombin time /international normalized ratio (INR) ≤1.5×ULN and partial
thromboplastin time (activated partial thromboplastin time [aPTT]) ≤1.5×ULN (unless
abnormalities are unrelated to coagulopathy or bleeding disorder. When treated with
warfarin or other vitamin K antagonists, then INR ≤3.0).
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9. 
Woman of childbearing potential must have a negative, highly sensitive serum
(β-human chorionic gonadotropin [β-hCG]) at screening and urine pregnancy test at
Day 1 prior to the first dose of study intervention.
10. 
Criterion modified per Amendment 1
   10.1 Women of childbearing potential must be practicing a highly effective, preferably
user-independent method of birth control (failure rate of <1% per year when used
consistently and correctly) during treatment with any drug in this study and for up to
12 months after the last dose of rituximab, 1 month after last dose of ibrutinib,
consistent with local regulations regarding the use of birth control methods for
participant participating in clinical studies. Women using hormonal contraceptives
should add a barrier method.
Examples of highly effective methods of contraception are located in Section 10.5,
Appendix 5, Contraceptive and Barrier Guidance and Collection of Pregnancy
Information.
11. 
Criterion modified per Amendment 1
   11.1 Women must agree not to donate eggs for the purpose of assisted reproduction during
treatment and for 1 month after the last dose of ibrutinib and 12 months after last dose
of rituximab.
12. 
During treatment, for a minimum of 1 spermatogenesis cycle (defined as 90 days) after
receiving the last dose of ibrutinib, and for up to 12 months after last dose of rituximab,
in addition to the user-independent highly effective method of contraception, a man:
a. who is sexually active with a woman of childbearing potential must agree to
use a barrier method of contraception (eg, condom with spermicidal
foam/gel/film/cream/suppository)
b. who is sexually active with a woman who is pregnant must use a condom
c. must agree not to donate sperm for the purpose of reproduction
13. 
Must sign an informed consent form (ICF) indicating that he or she understands the
purpose of, and procedures required for, the study and is willing to participate in the
study. Participants must be willing and able to adhere to the prohibitions and restrictions
specified in this protocol.
14. 
Must be willing and able to adhere to the lifestyle restrictions specified in this protocol.
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5.2. 
Exclusion Criteria
Any potential participant who meets any of the following criteria will be excluded from
participating in the study:
1. 
Known histological involvement of the central nervous system by WM.
2. 
Rituximab treatment within the last 12 months before the first dose of study
intervention.
3. 
Prior exposure to ibrutinib or other BTK inhibitors.
4. 
Received any WM-related therapy (eg, chemotherapy, immunotherapy, investigational
intervention) ≤30 days prior to first administration of study intervention.
5. 
Plasmapheresis <35 days prior to the initiation of study intervention, except when at
least one screening serum IgM central assessment is performed >35 days after the
previous plasmapheresis and before the plasmapheresis during the screening period.
6. 
History of prior malignancy, except:
a. Malignancy treated with curative intent and with no known active disease
present for ≥3 years before first dose
b. Adequately treated nonmelanoma skin cancer or lentigo maligna without
evidence of disease
c. Adequately treated cervical carcinoma in situ without evidence of disease
d. Malignancy, which is considered cured with minimal risk of recurrence
7. 
Received live, attenuated vaccine within 4 weeks of first dose of study intervention.
8. 
Uncontrolled active systemic infection or infection requiring systemic treatment that
was completed ≤14 days before the first dose of study intervention.
9. 
Currently active, clinically significant Child-Pugh Class B or C hepatic impairment
according to the Child-Pugh classification (see Section 10.6, Appendix 6).
10. 
Inability or difficulty swallowing capsules, malabsorption syndrome, or any disease or
medical condition significantly affecting gastrointestinal function.
11. 
Stroke or intracranial hemorrhage within 12 months prior to the first dose of study
intervention.
12. 
Active, clinically significant cardiovascular disease, such as uncontrolled arrhythmia
or Class 3 or 4 congestive heart failure as defined by the New York Heart Association
Functional Classification; or a history of myocardial infarction, unstable angina, or
acute coronary syndrome within 6 months prior to the first dose of study intervention.
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13. 
Requires treatment with a strong CYP3A inhibitors (see Section 10.7, Appendix 7).
14. 
Positive test for human immunodeficiency virus (HIV) by history or at screening.
15. 
Active hepatitis C virus (HCV) or hepatitis B virus (HBV).
a. Active HBV: Participants who are positive for hepatitis B core antibody
(HBcAb), hepatitis B surface antibody (HBsAb), hepatitis B surface antigen
(HBsAg) must have a negative polymerase chain reaction (PCR) result before
enrollment.
b. Active HCV: Participants who are positive for hepatitis C antibody must have
a negative PCR result before enrollment and should have documented 24
weeks of sustained virologic response (SVR) in order to be eligible for the
study.
16. 
Major surgery (eg, requiring general anesthesia), within 4 weeks of first dose of
ibrutinib, or will not have fully recovered from surgery, or has surgery planned during
the time the participant is expected to participate in the study.
17. 
Criterion modified per Amendment 1
   17.1 Female participants who are pregnant, breastfeeding, or planning to become pregnant
while enrolled in this study or up to 12 months after the last dose of rituximab or
1 month of last dose of ibrutinib.
18. 
Male participants who plan to father a child while enrolled in this study or within
3 months after the last dose of ibrutinib, and within 12 months after last dose of
rituximab.
19. 
Any contraindication to ibrutinib or rituximab including hypersensitivity to the active
substance or to any of the excipients of ibrutinib or rituximab per local prescribing
information.
20. 
Received an investigational intervention (including investigational vaccines) or used
an invasive investigational medical device within 4 weeks before the planned first dose
of study intervention or is currently enrolled in an investigational study.
21. 
Any condition for which, in the opinion of the investigator, participation would not be
in the best interest of the participant (eg, compromise the well-being) or that could
prevent, limit, or confound the protocol-specified assessments.
22. 
Employee of the investigator or study site, with direct involvement in the proposed
study or other studies under the direction of that investigator or study site, as well as
family members of the employees or the investigator.
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NOTE: Investigators should ensure that all study enrollment criteria have been met at screening.
If a participant's clinical status changes (including any available laboratory results or receipt of
additional medical records) after screening but before the first dose of study intervention is given
such that he or she no longer meets all eligibility criteria, then the participant should be excluded
from participation in the study. The required source documentation to support meeting the
enrollment criteria are noted in Section 10.3 Appendix 3, Regulatory, Ethical, and Study Oversight
Considerations.
5.3. 
Lifestyle Considerations
Potential participants must be willing and able to adhere to the following lifestyle restrictions
during the course of the study to be eligible for participation:
1. 
Refer to Section 6.5, Concomitant Therapy for details regarding prohibited and
restricted therapy during the study.
2. 
Agree to follow all requirements that must be met during the study as noted in the
Inclusion and Exclusion Criteria (eg, contraceptive requirements).
3. 
The following guidance should be applied during the perioperative period for
participants who require surgical intervention or an invasive procedure while receiving
study intervention.
a. Minor Surgical Procedures
For minor procedures (such as a central line placement, needle biopsy, lumbar
puncture [other than shunt reservoir access] thoracentesis, or paracentesis) study
intervention should be held for at least 3 days prior to the procedure and should
not be restarted for at least 3 days after the procedure. For bone marrow biopsies
that are performed while the participant is on study intervention, it is not necessary
to hold study intervention.
b. Major Surgical Procedures
For any surgery or invasive procedure requiring sutures or staples for closure,
study intervention should be held at least 7 days prior to the intervention and should
be held at least 7 days after the procedure and restarted at the discretion of the
investigator when the surgical site is reasonably healed without serosanguineous
drainage or the need for drainage tubes.
c. Emergency Procedures
For emergency procedures, study intervention should be held after the procedure
for at least 7 days after the urgent surgical procedure.
4. 
Initial transient increases in serum IgM levels (IgM flare or tumor flare) are common
(in up to 50% of patients) 3 to 4 weeks after initiation of rituximab therapy.9,12,33 This
flare may persist for up to 4 months and does not indicate treatment failure but may
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necessitate plasmapheresis to reduce hyperviscosity8,12,33 or other clinical symptoms
(see Exclusion Criterion #5 for plasmapheresis conditions in the screening period).
a. Plasmapheresis at the discretion of the treating physician should be considered
in participants with IgM values above 5,000 mg/dL before start of the
treatment regimen to avoid clinical symptomatic tumor flare upon
administration of study intervention.
b. Plasmapheresis should be considered in patients with signs of symptomatic
hyperviscosity before start of the treatment regimen.
c. Plasmapheresis should be considered in participants who developed a
clinically symptomatic tumor flare (eg, hyperviscosity syndrome) upon
administration of study intervention.
o 
This initial transient increase of IgM levels will most likely not indicate
disease progression and participants may continue therapy with
rituximab.
o 
Increase of IgM levels after the first 16 weeks of study treatment should
be considered PD and further use of plasmapheresis should be discussed
with the Medical Monitor.
In the event that a participant requires plasmapheresis prior to study treatment, the IgM
level obtained prior to plasmapheresis should be considered as the baseline value and
study intervention should be initiated shortly thereafter (not more than 7 days) after last
plasmapheresis. IgM level obtained within 5 half-lives (ie, ≤35 days) after the last
plasmapheresis should not be considered for response evaluation. An IgM level
obtained more than 35 days after plasmapheresis can be used in response determination.
The IgM level prior to and after each plasmapheresis during the screening phase and
during the study should be collected centrally.
5.4. 
Screen Failures
Participant Identification, Enrollment, and Screening Logs
The investigator agrees to complete a participant identification and enrollment log to permit easy
identification of each participant during and after the study. This document will be reviewed by
the sponsor study-site contact for completeness.
The participant identification and enrollment log will be treated as confidential and will be filed
by the investigator in the study file. To ensure participant confidentiality, no copy will be made.
All reports and communications relating to the study will identify participants by participant
identification and age at initial informed consent. In cases where the participant is not enrolled into
the study, the date seen and age at initial informed consent will be used.
Individuals who do not meet the criteria for participation in this study (screen failure) may be
rescreened. A participant may be rescreened within 30 days from the previous ICF signature date.
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In cases where the rescreening is considered after 30 days from the previous ICF signature date,
the decision on rescreening must be taken after a discussion between the investigator and the
Medical Monitor. Participants who are rescreened are required to sign a new ICF.
6. 
STUDY INTERVENTION
6.1. 
Study Intervention Administered
All eligible participants will be treated with study intervention and need to follow the dosing and
toxicity management guideline described as follows. Study intervention administration must be
captured in the source documents and the eCRF. Study-site personnel will instruct participants on
how to store study intervention for at-home use as indicated in this protocol.
Study Intervention
Ibrutinib 420 mg (140 mg×3 capsules) orally administered daily beginning from Day 1 in Week 1
until disease progression or unacceptable toxicity.
Rituximab 375 mg/m2 intravenous (IV) per prescribing information weekly for 4 consecutive
weeks, followed by a second course of once-weekly rituximab for 4 consecutive weeks after a
12-week interval. Day 1 of Weeks 1 to 4 and Weeks 17 to 20 (total of 8 infusions of rituximab).
6.1.1. 
Ibrutinib
6.1.1.1. 
Dose and Administration
Ibrutinib (140 mg×3 capsules) is administered orally once daily with approximately 240 mL of
water. The capsules should be swallowed whole and should not be opened, broken, or chewed.
Ibrutinib will be administered prior to rituximab when given on the same day.
The first dose will be administered at the study site on Week 1 Day 1 and subsequent dosing will
occur on an outpatient basis except for PK sampling day on Week 4 Day 1.
6.1.1.2. 
Dose Hold, Reduction or Discontinuation of Ibrutinib
Treatment with ibrutinib should be withheld for any unmanageable, potentially ibrutinib-related
nonhematological toxicity that is ≥Grade 3 in severity and any hematologic toxicity meeting the
criteria in Section 6.1.1.3. Ibrutinib may be withheld for a maximum of 28 consecutive days for
toxicity. Ibrutinib should be discontinued in the event of a toxicity lasting >28 days, unless
reviewed and approved by the Medical Monitor.
6.1.1.3. 
Dose Modification for Adverse Reactions
The dose of ibrutinib should be modified according to the dose modification guidance in Table 2
or Table 3 if any of the following drug-related toxicities occur:
Refer to Table 2
 
Grade 3 or greater neutropenia with infection or fever
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 
Grade 4 ANC (<500/μL) for >7 days
 
Grade 3 thrombocytopenia (platelets <50,000/μL) in the presence of ≥Grade 2 bleeding events
 
Grade 4 thrombocytopenia (platelets<25,000/μL)
 
Grade 3 or 4 nausea, vomiting, or diarrhea if persistent, despite optimal antiemetic and/or
antidiarrheal therapy
 
Any other Grade 4 or unmanageable Grade 3 toxicity attributed to ibrutinib (except events
specified in Table 3)
Refer to Table 3
 
Grade 2 or higher cardiac failure and Grade 3 or higher cardiac arrhythmias
 
For Grade 3 or 4 atrial fibrillation or persistent atrial fibrillation of any grade, consider the risks
and benefits of ibrutinib treatment. If clinically indicated, the use of anticoagulants or antiplatelet
agents may be considered for the thromboprophylaxis of atrial fibrillation (Section 6.5.2.3).
Table 2: 
Ibrutinib Dose Modifications for Events not Specified in Table 3
Occurrence 
Action to be Taken
First 
Withhold ibrutinib until recovery to Grade ≤1 or baseline; may restart at original dose
levela
Second 
Withhold ibrutinib until recovery to Grade ≤1 or baseline; may restart at 1 dose level lower
(ie, 280 mg/da y / 2 capsules)
Third 
Withhold ibrutinib until recovery to Grade ≤1 or baseline; may restart at 1 dose level lower
(ie, 140 mg/da y / 1 capsule)
Fourth 
Discontinue ibrutinibb
a 
When resuming treatment, restart at the same or lower dose based on benefit risk evaluation. If the toxicity reoccurs,
reduce daily dose by 140 mg.
b 
If the oral ibrutinib is discontinued for toxicity, participant will end the treatment phase of the study.
 
Table 3: 
Ibrutinib Dose Modifications for Cardiac Failure or Cardiac Arrhythmias
Events 
Occurrence 
Action to be Taken
Grade 2 cardiac failure 
First 
Withhold ibrutinib until recovery to Grade ≤ 1 or baseline;
restart at 1 dose level lower (ie, 280 mg/day / 2 capsules)
Second 
Withhold ibrutinib until recovery to Grade ≤ 1 or baseline;
restart at 1 dose level lower (ie, 140 mg/day / 1 capsule)
Third 
Discontinue ibrutinibb
Grade 3 cardiac arrhythmias
First 
Withhold ibrutinib until recovery to Grade ≤ 1 or baseline;
restart at 1 dose level lower (ie, 280 mg/da y / 2 capsules)a
Second 
Discontinue ibrutinibb
Grade 3 or 4 cardiac failure
 
Grade 4 cardiac arrhythmias
First 
Discontinue ibrutinibb
a Evaluate the benefit-risk before resuming treatment.
b 
If the oral ibrutinib is discontinued for toxicity, participant will end the treatment phase of the study.
Refer to Section 6.5.2.1 for guidelines for management of ibrutinib in participants who require
treatment with a CYP3A inhibitor.
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6.1.1.4. 
Dose Modification for Hepatic Impaired Participants
Ibrutinib is metabolized in the liver. For participants who develop mild liver impairment while on
study (Child-Pugh class A), the recommended dose reduction for ibrutinib is to a level of 280 mg
daily (2 capsules). Participants who develop moderate or severe hepatic impairment (Child-Pugh
class B or C) must hold ibrutinib until resolved to mild impairment (Child-Pugh class A) or better,
and could be retreated according to resolved hepatic conditions (ie, 280 mg for mild impairment).
Monitor participants for signs of toxicity and follow dose modification guidance as needed (refer
to Section 6.1.1.3). Child-Pugh Score is provided in Section 10.6, Appendix 6.
6.1.2. 
Rituximab
All participants will receive rituximab and will follow the prescribing information for rituximab
dosing and toxicity management. Commercial product of rituximab at clinical sites will be used.
6.1.2.1. 
Dosage, Preparation, and Administration of Rituximab
The first dose of rituximab will be administered IV on Day 1 of Week 1 of the Treatment Phase
and will continue to be administered at the clinical site weekly for 4 consecutive weeks, followed
by a second course of once-weekly rituximab for 4 consecutive weeks after a 12-week interval
(Weeks 1, 2, 3, 4, 17, 18, 19, and 20). Rituximab doses may be delayed for up to 3 days due to
scheduling conflicts. Rituximab will be administered IV by clinic staff according to the prescribing
information. Ibrutinib will be administered prior to rituximab infusion when given on the same
day. Rituximab should not be mixed or diluted with other drugs. Rituximab will be administered
as an IV infusion. Premedication will be given prior to each administration in accordance with
local standard practice.
In the event of an infusion reaction, institute medical management (eg, glucocorticoids,
epinephrine, bronchodilators, or oxygen) as appropriate. If hypersensitivity (nonIgE-mediated) or
an infusion reaction develops, the infusion should be temporarily slowed or interrupted. The
infusion can continue at one-half the previous rate upon improvement of participant symptoms.
Depending on the severity of the infusion reaction and the required interventions, treatment with
rituximab may be temporarily or permanently discontinued. See Section 6.1.2.2 for further
instructions.
6.1.2.2. 
Dose Delay of Rituximab
In order to initiate a subsequent dose with rituximab, the participant must not have any
unmanageable, potentially rituximab-related nonhematological toxicity that is ≥Grade 3 in severity.
Any other clinically important events where dose delays may be considered appropriate by the
investigator must be discussed with the Medical Monitor. If a dose is missed due to scheduling
conflicts, it can be delayed up to 3 days after the scheduled time. If dosing must be delayed for >3
days for reasons other than toxicity, contact the Medical Monitor. Rituximab may be withheld for
a maximum of 28 consecutive days for toxicity. Rituximab should be discontinued in the event of
a rituximab toxicity lasting >28 days, unless reviewed and approved by the Medical Monitor. Even
if rituximab infusion is delayed due to scheduling conflicts, ibrutinib dosing should continue.
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6.1.2.3. 
Dose Interruption of Rituximab
Modify administration of rituximab for infusion-related reactions of any severity.
 
For Grades 1 and 2 infusion-related reactions, slow the infusion rate by a minimum of 50%
and monitor participant closely. Provide medical intervention as indicated. If symptoms
resolve, complete the infusion at the decreased rate. If symptoms do not improve, or worsen,
discontinue the infusion.
 
For Grade 3 infusion-related reactions, interrupt the infusion, provide medical intervention as
appropriate. Monitor participant closely and if symptoms resolve resume the infusion at 50%
or less of the previous rate. If there is no return of symptoms, complete the infusion at the
decreased rate. If symptoms do not improve or worsen, discontinue the infusion.
 
For Grade 4 infusion-related reactions, stop the infusion. Provide appropriate medical
intervention. Contact the Medical Monitor prior to rechallenge or if permanent discontinuation
of rituximab is necessary.
6.1.2.4. 
Dose Modification of Rituximab
The dose of rituximab should be modified according to the dose modification guidelines in Table 4
if either of the following toxicities occur: Any Grade 4 or unmanageable Grade 3 nonhematologic
toxicity attributed to rituximab.
Table 4: 
Dose Modification for Rituximab Toxicity
Occurrence 
Action to be Taken
First to Third 
Withhold rituximab until recovery to Grade ≤1 or baseline; may restart at original dose
level
Fourth 
Discontinue rituximaba
a 
If rituximab is discontinued for toxicity, participant may continue ibrutinib.
6.1.2.5. 
Rituximab Associated Tumor Flare (IgM Flare)
Plasmapheresis may be indicated before or during the initial rituximab therapy to avoid or to
manage tumor flare-related complications such as hyperviscosity (see Section 5.3 Lifestyle
Considerations). Therapy with rituximab is commonly associated with a surge of IgM levels
(tumor flare). This initial transient increase of IgM levels mostly does not indicate disease
progression at treatment initiation and participants may continue therapy with rituximab. The
occurrence of rituximab associated tumor flare should be recorded as an AE (refer to
Section 8.5.1.1). If necessary additional laboratory tests, physical examinations, and in the case of
previous lymphadenopathy or splenomegaly, computed tomography (CT) scans might be
performed to discriminate tumor flare from disease progression.
6.1.2.6. 
Criteria for Permanent Discontinuation of Study Intervention
Investigators are encouraged to keep a participant who is experiencing clinical benefit in the study
unless confirmed disease progression, significant toxicity puts the participant at risk, or routine
noncompliance puts the study outcomes at risk. For a complete list of criteria for permanent
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discontinuation of study intervention, refer to Section 7.1, Discontinuation of Study Intervention.
An EOT visit is required for all participants except for those who have withdrawn full consent.
6.2. 
Preparation/Handling/Storage/Accountability
Preparation/Handling/Storage
Ibrutinib will be manufactured and provided under the responsibility of the sponsor. Refer to the
IB for a list of excipients.16
Ibrutinib capsules, 140 mg should be stored according to the storage conditions indicated on the
label. The recommended storage condition for ibrutinib capsules is 15°C to 25°C with excursions
permitted to 30°C.16 Clinical sites may use scanning technology to manage clinical trial supplies
and drug compliance activities.
For a definition of ibrutinib overdose, refer to Section 8.7, Treatment of Overdose.
Refer to the pharmacy manual/study site investigational product and procedures manual for
additional guidance on ibrutinib preparation, handling, and storage.
Rituximab vials should be stored refrigerated between 2°C to 8°C. Vials should be protected from
light. Do not freeze or shake. Investigators should refer to the current rituximab package insert for
additional guidance.29
Accountability
The investigator is responsible for ensuring that all study intervention received at the site is
inventoried and accounted for throughout the study. The dispensing of ibrutinib to the participant,
and the return of ibrutinib from the participant (if applicable), must be documented on the
intervention accountability form. Participants must be instructed to return all original containers,
whether empty or containing ibrutinib. Ibrutinib administered to the participant must be
documented on the intervention accountability form. Ibrutinib will be stored and disposed of
according to the sponsor's instructions. Study-site personnel must not combine contents of the
study intervention containers.
Ibrutinib must be handled in strict accordance with the protocol and the container label and must
be stored at the study site in a limited-access area or in a locked cabinet under appropriate
environmental conditions. Unused ibrutinib, and ibrutinib returned by the participant, must be
available for verification by the sponsor's study site monitor during on-site monitoring visits. The
return to the sponsor of unused ibrutinib or used ibrutinib for destruction, will be documented on
the intervention return form. When the study site is an authorized destruction unit and ibrutinib
supplies are destroyed on-site, this must also be documented on the intervention return form.
Ibrutinib should be dispensed under the supervision of the investigator or a qualified member of
the study-site personnel, or by a hospital/clinic pharmacist. Ibrutinib will be supplied only to
participants participating in the study. Returned ibrutinib must not be dispensed again, even to the
same participant. Whenever a participant brings his or her ibrutinib to the study site for capsule
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count, this is not seen as a return of supplies. Ibrutinib may not be relabeled or reassigned for use
by other participants. The investigator agrees neither to dispense the study intervention from, nor
store it at, any site other than the study sites agreed upon with the sponsor. Further guidance and
information for the final disposition of unused ibrutinib are provided in the Study Reference
Manual.
6.3. 
Measures to Minimize Bias: Randomization and Blinding
As this is an open study, blinding procedures are not applicable. Participants will be assigned to
same intervention.
6.4. 
Study Intervention Compliance
The first dose of ibrutinib will be administered at the study site on Week 1 Day 1 and subsequent
dosing will occur on an outpatient basis except for PK sampling day on Week 4 Day 1. The amount
of ibrutinib dispensed will be recorded and compared with the amount returned. Compliance will
be assessed by direct questioning and counting returned capsules during the site visits and
documented in the source documents and eCRF. Deviation(s) from the prescribed dosage regimen
should be recorded in the eCRF.
Participants will receive instructions on compliance with ibrutinib administration at the screening
visit. During the study, the investigator or designated study-site personnel will be responsible for
providing additional instruction to reeducate any participant who is not compliant with taking
ibrutinib. Participants will use an application on the provisioned smartphone/tablet to confirm
ibrutinib administration.
Rituximab will be administered as an IV infusion by qualified study-site personnel and the details
of each administration will be recorded in the eCRF (including date, start and stop times of the IV
infusion, and volume infused).
Study-site personnel will maintain a log of all rituximab administered. The date and time of each
dose administered in the clinic will be recorded in the source documents and recorded in the eCRF.
6.5. 
Concomitant Therapy
Relevant concomitant therapies must be recorded throughout the study beginning with the time of
written informed consent to 30 days after the last dose of ibrutinib or prior to the start of a new
anticancer treatment, whichever is earlier.
The sponsor must be notified in advance (or as soon as possible thereafter) of any instances in
which prohibited therapies are administered.
6.5.1. 
Permitted Concomitant Medications
Supportive medications in accordance with standard practice (such as for emesis, diarrhea, etc) are
permitted. Use of granulocyte colony-stimulating factors or erythropoietin growth factors is
permitted per institutional policy. Transfusions may be given in accordance with institutional
policy.
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Short courses (≤14 days) of steroid treatment for non-WM-related medical reasons (eg, joint
inflammation, asthma exacerbation, rash, antiemetic use and infusion reactions) at doses that do
not exceed 100 mg per day of prednisolone or equivalent are permitted. In addition, for participants
with chronic medical conditions, continuous administration of up to 20 mg per day of prednisolone
or equivalent is permitted for the treatment of this medical condition where no acceptable
therapeutic alternative is available.
6.5.2. 
Medications to be Used with Caution
6.5.2.1. 
Drugs That may Alter Ibrutinib Plasma Concentrations
Ibrutinib is metabolized primarily by CYP3A. Avoid coadministration with strong or moderate
CYP3A inhibitors and consider alternative agents with less CYP3A inhibition. If a strong CYP3A
inhibitor must be used, consider reducing the ibrutinib dose to 140 mg or withhold treatment
temporarily. Participants should be monitored for signs of ibrutinib toxicity. If the benefit
outweighs the risk and a moderate CYP3A inhibitor must be used, monitor participant for toxicity
and follow dose modification guidance as needed. Avoid grapefruit and Seville oranges during
ibrutinib treatment, as these contain moderate inhibitors of CYP3A.
Avoid concomitant use of strong CYP3A inducers (eg, carbamazepine, rifampin, phenytoin, and
St. John’s Wort). Consider alternative agents with less CYP3A induction.
A list of common CYP3A inhibitors and inducers is provided in Section 10.7, Appendix 7; a
comprehensive 
list 
of inhibitors, 
inducers, 
and 
substrates 
may 
be 
found 
at
http://medicine.iupui.edu/clinpharm/ddis/table.aspx. This website is continually revised and
should be checked frequently for updates.
6.5.2.2. 
Drugs That may Have Their Plasma Concentrations Altered by
Ibrutinib
In vitro studies indicated that ibrutinib is a weak reversible inhibitor toward CYP2B6, CYP2C8,
CYP2C9, CYP2C19, CYP2D6, and CYP3A4/5 and does not display time-dependent CYP450
inhibition. The dihydrodiol metabolite of ibrutinib is a weak inhibitor toward CYP2B6, CYP2C8,
CYP2C9, and CYP2D6. Both ibrutinib and the dihydrodiol metabolite are weak inducers of
CYP450 isoenzymes in vitro. Therefore, it is unlikely that ibrutinib treatment results in any
clinically relevant drug-drug interactions (DDIs) with drugs that may be metabolized by the
CYP450 enzymes.
Ibrutinib is a mild inhibitor of P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP).
Ibrutinib is not expected to have systemic drug-drug interactions with P-gp substrates. However,
it cannot be excluded that ibrutinib could inhibit intestinal P-gp after a therapeutic dose. There are
no clinical data available. Therefore, to avoid a potential interaction in the gastrointestinal tract,
narrow therapeutic range P-gp substrates such as digoxin, should be taken at least 6 hours before
or after ibrutinib.
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6.5.2.3. 
Concomitant Use of Antiplatelet Agents and Anticoagulants
Supplements such as fish oil and vitamin E preparations should be avoided. Use ibrutinib with
caution in participants requiring anticoagulants or medications that inhibit platelet function.
Participants with congenital bleeding diathesis have not been studied.
Participants requiring the initiation of therapeutic anticoagulation therapy (eg, atrial fibrillation),
consider the risks and benefits of continuing ibrutinib treatment. If therapeutic anticoagulation is
clinically indicated, treatment with ibrutinib should be held and not be restarted until the
participant is clinically stable and has no signs of bleeding. No dose reduction is required when
ibrutinib is restarted. Participants should be observed closely for signs and symptoms of bleeding.
6.5.3. 
Prohibited Concomitant Medications
Any other chemotherapy, anticancer immunotherapy, experimental therapy, or radiotherapy are
prohibited while the participant is receiving ibrutinib. Corticosteroids for the treatment of the
underlying disease are prohibited. The sponsor must be notified in advance (or as soon as possible
thereafter) of any instances in which prohibited therapies are administered.
6.6. 
Dose Modification
Any dose/dosage adjustment should be overseen by medically-qualified study-site personnel
(principal or subinvestigator unless an immediate safety risk appears to be present).
This protocol allows some alteration from the currently outlined dose schedule, but the maximum
daily dose and/or (predicted) maximum/cumulative exposure will not exceed dose specified in this
protocol.
Details for dose modifications are described in Sections 6.1.1.3 and 6.1.1.4 for ibrutinib and in
Section 6.1.2.4 for rituximab.
6.7. 
Intervention After the End of the Study
Telephone contact will be made to confirm survival status including subsequent anticancer therapy
and other malignancies every 12 weeks for up to study termination by the sponsor after the last
dose of study intervention, unless the participant has died, is lost to follow-up, or has withdrawn
consent. If the information on survival status is obtained via telephone contact, written
documentation of the communication must be available for review in the source documents. If the
participant has died, the date and cause of death will be collected and documented on the eCRF.
Investigators may recontact the participant to obtain long-term follow-up information regarding
the participant's safety or survival status as noted in the ICF (refer to Informed Consent in
Section 10.3, Appendix 3, Regulatory, Ethical, and Study Oversight Considerations).
Participants will be instructed that study intervention will not be made available to them after they
have completed/discontinued study intervention and that they should return to their primary
physician to determine standard of care.
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7. 
DISCONTINUATION OF STUDY INTERVENTION AND PARTICIPANT
DISCONTINUATION/WITHDRAWAL
Discontinuation of study intervention does not result in automatic withdrawal of the participant
from the study. Participants who discontinue study intervention should continue to have
assessments performed as specified in the Schedule of Activities (SoA) or disease evaluations prior
to progression.
7.1. 
Discontinuation of Study Intervention
A participant's study intervention must be discontinued if:
 
The participant withdraws consent to receive study intervention
 
The investigator believes that for safety reasons or tolerability reasons (eg, AE) it is in the
best interest of the participant to discontinue study intervention
 
The investigator’s decision (such as significant noncompliance with study intervention
administration, significant protocol deviation, or best interest of the participant)
 
The participant with confirmed PD
If the participant becomes pregnant, the study treatment should be suspended and the Medical
Monitor should be contacted as soon as possible to discuss study treatment options. Refer to
Section 8.6.4, Pregnancy and Section 10.5, Appendix 5, Contraceptive and Barrier Guidance and
Collection of Pregnancy Information.
If a participant discontinues study intervention for any reason before the end of the study, then the
end-of-intervention and postintervention assessments should be obtained and scheduled
assessments per Section 1.3 or disease evaluations prior to progression should be continued. Study
intervention assigned to the participant who discontinued study intervention may not be assigned
to another participant. Additional participants will not be entered.
7.2. 
Participant Discontinuation/Withdrawal From the Study
A participant will be withdrawn from the study for any of the following reasons:
 
Lost to follow-up
 
Withdrawal of consent
 
Death
 
Sponsor discontinues the study
When a participant withdraws before study completion, the reason for withdrawal is to be
documented in the eCRF and in the source document. If the reason for withdrawal from the study
is withdrawal of consent, then no additional assessments are allowed.
Withdrawal of Consent
A participant declining to return for scheduled visits does not necessarily constitute withdrawal of
consent. Alternate follow-up mechanisms that the participant agreed to when signing the consent
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form apply (eg, consult with family members, contacting the participant’s other physicians,
medical records, database searches, use of locator agencies at study completion,) as local
regulations permit.
Withdrawal of consent should be an infrequent occurrence in clinical studies, therefore, prior to
the start of the study the sponsor and the investigator should discuss and reach a clear
understanding of what constitutes withdrawal of consent in the context of the available reduced
follow-up mechanisms listed.
Study Completion Definition
A participant who is in the treatment period at the time, when marketing approval is received, will
discontinue the study intervention and will complete an EOT visit before the study end. A
participant who is in the follow-up period at this time will stop the further follow-up. Both
participants will be considered to have completed the study.
7.2.1. 
Withdrawal From the Use of Research Samples
Withdrawal From the Use of Samples in Future Research
The participant may withdraw consent for use of samples for research (refer to Long-Term
Retention of Samples for Additional Future Research in Section 10.3, Appendix 3, Regulatory,
Ethical, and Study Oversight Considerations). In such a case, samples will be destroyed after they
are no longer needed for the clinical study. Details of the sample retention for research are
presented in the main ICF.
7.3. 
Lost to Follow-up
To reduce the chances of a participant being deemed lost to follow-up, prior to enrollment attempts
should be made to obtain contact information from each participant, eg, home, work, and mobile
telephone numbers and email addresses for both the participant as well as appropriate family
members.
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. A participant cannot be deemed
lost to follow-up until all reasonable efforts made by the study-site personnel to contact the
participant are deemed futile. The following actions must be taken if a participant fails to return to
the study site for a required study visit:
 
The study-site personnel must attempt to contact the participant to reschedule the missed visit
as soon as possible, to counsel the participant on the importance of maintaining the assigned
visit schedule, to ascertain whether the participant wishes to or should continue in the study.
 
Before a participant is deemed lost to follow-up, the investigator or designee must make every
reasonable effort to regain contact with the participant. These contact attempts should be
documented in the participant’s medical records.
 
Should the participant continue to be unreachable, they will be considered to have withdrawn
from the study.
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8. 
STUDY ASSESSMENTS AND PROCEDURES
Overview
All participants enrolled in the study will undergo the same study evaluations throughout the study.
The Schedule of Activities (Section 1.3) summarizes the frequency and timing of efficacy, PK,
biomarker, and safety measurements applicable to this study.
If multiple assessments are scheduled for the same timepoint, it is recommended that procedures
be performed in the following sequence: ECGs, vital signs, blood draw. Blood collections for PK
assessments should be kept as close to the specified time as possible. Other measurements may be
done earlier than specified timepoints if needed. Actual dates and times of assessments will be
recorded in the source documentation and eCRF.
Additional serum or urine pregnancy tests may be performed, as determined necessary by the
investigator or required by local regulation, to establish the absence of pregnancy at any time
during the participation in the study.
The total blood volume for first year of the study is approximately 300 mL (186 mL for safety,
84 mL for efficacy, 10 mL for PK, 16 mL for biomarkers, and 4 mL for pregnancy testing [women
only]) and for second year or after is approximately 153 mL (98 mL for safety and 55 mL for
efficacy).
Repeat or unscheduled samples may be taken for safety reasons or for technical issues with the
samples.
Sample Collection and Handling
The actual dates and times of sample collection must be recorded in the eCRF or laboratory
requisition form. Refer to the Schedule of Activities (SoA) for the timing and frequency of all
sample collections.
Instructions for the collection, handling, storage, and shipment of samples are found in the
laboratory manual. Collection, handling, storage, and shipment of samples must be under the
specified, and where applicable, controlled temperature conditions as indicated in the laboratory
manual.
Study-Specific Materials
The investigator will be provided with the following supplies:
 
Investigator’s brochure for ibrutinib
 
Pharmacy manual/study site investigational product and procedures manual
 
Laboratory manual
 
National Cancer Institute Common Terminology Criteria for AEs (NCI-CTCAE) version 4.03
 
Electronic data capture (eDC) Manual
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 
Imaging acquisition guideline
 
Sample ICF
 
Provisioned smartphone/tablet for eDiary of ibrutinib
 
Barcode scanner for study drug tracking
The participation period will consist of a screening phase, a treatment phase, and a follow-up phase.
8.1. 
Screening Phase
The screening phase assessments will be performed ≤30 days prior to start of study intervention.
All participants must first read, understand, and sign the Independent Ethics
Committee/Institutional Review Board (IEC/IRB) approved ICF before any study-specific
screening procedures are performed. In this study, eligible participants will have
clinicopathological diagnoses of WM in accordance with the consensus panel of the second
IWWM. Pathologic diagnosis will also be reviewed by a central pathologist (see Section 8.4.7).28
8.1.1. 
Screening Visit
The following procedures will be performed at the screening visit within 30 days prior to first dose
of ibrutinib unless otherwise noted:
 
Confirm eligibility (per Inclusion/Exclusion Criteria) and enroll. Dosing should occur within
3 days of enrollment
 
Medical history including demographic information
 
A complete physical examination including general appearance of the participant, height,
weight, and examination per clinical practice
 
Evaluation of ECOG performance status
 
Obtain vital signs (including blood pressure, pulse rate, respiratory rate, and body
temperature) after the participant has rested in the sitting position for at least 5 minutes
 
Obtain a single 12-lead ECG after the participant has been in a supine position and resting for
at least 5 minutes
 
Record AEs since signing the ICF
 
Record concomitant medication history including over-the-counter drugs, vitamins, and herbs
 
Imaging by CT of the neck, chest, abdomen, and pelvis should be obtained during screening
(within 42 days before the first dose of ibrutinib)
 
Obtain a bone marrow aspirate and biopsy (if not performed within 60 days prior to first dose
of ibrutinib)
 
Obtain blood specimens for the following laboratory tests:
 
Hematology
 
Serum chemistry
 
Coagulation studies (prothrombin time [PT], INR, and aPTT)
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Hepatitis serologies
 
Serum viscosity
 
Serum protein electrophoresis (SPEP)
 
Quantitative serum Igs (IgA, IgG, and IgM)
 
Serum free light chain assay
 
Serum immunofixation
 
β2-microglobulin
 
Obtain serum pregnancy test for women of childbearing potential only
8.2. 
Treatment Phase
The treatment phase will extend from first dose of ibrutinib until the EOT visit (which should
occur after 30 days of last dose of ibrutinib or prior to the start of a new anticancer treatment). All
participants will receive IV administration of rituximab weekly for 4 consecutive weeks, followed
by a second course of IV rituximab administered weekly for 4 consecutive weeks after a 12-week
interval. All participants will receive oral ibrutinib daily and continuously until criteria for
permanent discontinuation of ibrutinib are met (see Section 7.1, Discontinuation of Study
Intervention). Response assessments will be performed using the modified consensus criteria
adapted from the sixth IWWM  
 (NCCN version 2, 2019).27 Participants with confirmed PD must
discontinue the study intervention.
8.2.1. 
Week 1
Predose
 
Complete physical examination including general appearance of the participant, weight, and
examination per clinical practice
 
ECOG performance status
 
Vitals signs including blood pressure, pulse rate, respiratory rate, and body temperature
 
Collect blood samples for the following laboratory tests:
 
Hematology
 
Serum chemistry
 
Serum protein electrophoresis (SPEP)
 
Quantitative serum Igs (IgA, IgG, and IgM)
 
Biomarkers
 
Obtain urine pregnancy dipstick test for women of childbearing potential only prior to first
dose. If the test result is positive, the investigator should discuss with Medical Monitor and/or
gynecologist and the pregnancy must be ruled out by ultrasound to be eligible
 
Review of AEs and concomitant medications
 
Review Inclusion and Exclusion Criteria to confirm participants’ eligibility prior to dosing
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Dosing and Postdose
 
Dispense ibrutinib
 
Administration of ibrutinib
 
Administration of rituximab
 
Review of AEs and concomitant medications
8.2.2. 
Weeks 2, 3, and 4
 
Collect blood sample for quantitative serum Igs (IgA, IgG, and IgM) (sampling at predose
only for week 4)
 
Blood sampling for PK evaluation (Week 4 only, postdose as described in Table 6)
 
Administration of rituximab and ibrutinib
 
Review of dosing compliance (in APP)
 
Review of AEs and concomitant medications
8.2.3. 
Weeks 5, 9 and 13
 
Dispense ibrutinib
 
Continuous daily dosing of ibrutinib
 
Symptom-directed physical examination and review of symptoms should include inquiry of
ocular symptoms
 
ECOG performance status
 
Vitals signs including blood pressure, pulse rate, respiratory rate, and body temperature
 
Collect blood samples for the following laboratory tests:
 
Hematology
 
Serum chemistry
 
Serum protein electrophoresis (SPEP)
 
Quantitative serum Igs (IgA, IgG, and IgM)
 
Overall disease assessment
 
Review of AEs and concomitant medications
8.2.4. 
Week 17
Predose
 
Symptom-directed physical examination and review of symptoms should include inquiry of
ocular symptoms
 
ECOG performance status
 
Vitals signs including blood pressure, pulse rate, respiratory rate, and body temperature
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 
Collect blood samples for the following laboratory tests:
 
Hematology
 
Serum chemistry
 
Coagulation studies (PT, INR, and aPTT)
 
Serum protein electrophoresis (SPEP)
 
Quantitative serum Igs (IgA, IgG, and IgM)
 
Follow-up CT scan for all participants with measurable nodal/extranodal disease during
screening
 
Overall disease assessment
 
Review of AEs and concomitant medications
 
Review of dosing compliance (in APP)
Dosing and Postdose
 
Dispense ibrutinib
 
Administration of ibrutinib and rituximab
 
Review of AEs and concomitant medications
8.2.5. 
Weeks 18 to 20
 
Administration of ibrutinib and rituximab
 
Review of dosing compliance (in APP)
 
Review of AEs and concomitant medications
8.2.6. 
Week 21
 
Dispense ibrutinib
 
Continuous daily dosing of ibrutinib
 
ECOG performance status
 
Vitals signs including blood pressure, pulse rate, respiratory rate, and body temperature
 
Symptom-directed physical examination and review of symptoms should include inquiry of
ocular symptoms
 
Collect blood samples for the following laboratory tests:
 
Hematology
 
Serum chemistry
 
Serum protein electrophoresis (SPEP)
 
Quantitative serum Igs (IgA, IgG, and IgM)
 
Overall disease assessment
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 
Review of AEs and concomitant medications
8.2.7. 
Week 25 Onwards Until PD or Unacceptable Toxicity (Every 8 Weeks)
 
Dispense ibrutinib
 
Continuous daily dosing of ibrutinib
 
ECOG performance status
 
Vitals signs including blood pressure, pulse rate, respiratory rate, and body temperature
 
Symptom-directed physical examination and review of symptoms should include inquiry of
ocular symptoms
 
Collect blood samples for the following laboratory tests:
 
Hematology
 
Serum chemistry
 
Serum protein electrophoresis (SPEP)
 
Quantitative serum Igs (IgA, IgG, and IgM)
 
Serum free light chain assay (Week 57 only)
 
Follow-up CT scans should be performed at Week 57 for each participant. Other follow-up
CT scan will be required at Weeks 33, 49, and every 24 weeks after Week 57 for all
participants with measurable nodal/extranodal disease during screening
 
Bone marrow aspirate/biopsy will be required at any time after screening to confirm a CR
 
Overall disease assessment
 
Review of AEs and concomitant medications
8.2.8. 
Suspected PD Visit
The suspected PD visit should be performed at any time during the study, if based on clinical
and/or laboratory evaluation, the investigator suspects PD, or if the participant discontinues
treatment for any other reason. If possible, the visit should be performed within 24 hours after the
participant’s previous dose. The following procedures will be performed:
 
Complete physical examination including general appearance of the participant, weight, and
examination per clinical practice
 
ECOG performance status
 
Vitals signs (including blood pressure, pulse rate, respiratory rate, and body temperature)
 
Collect blood samples for the following laboratory tests:
 
Hematology
 
Serum chemistry
 
Serum protein electrophoresis (SPEP)
 
Quantitative serum Igs (IgA, IgG, and IgM)
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 
Imaging by CT scan may be performed if clinically indicated as reason for progression
 
Overall disease assessment
 
Review of AEs and concomitant medications
8.2.9. 
End-of-Treatment Visit
An EOT visit should occur 30 days (+7 days) from the last dose of ibrutinib or prior to the start of
a new anticancer treatment. If the participant starts a new anticancer treatment <7 days after the
suspected PD visit, only those procedures not conducted at the suspected PD visit should be
performed at the EOT visit.
The following procedures will be performed at the EOT visit:
 
Complete physical examination including general appearance of the participant, weight, and
examination per clinical practice
 
ECOG performance status
 
Vitals signs (including blood pressure, pulse rate, respiratory rate, and body temperature)
 
Collect blood samples for the following laboratory tests:
 
Hematology
 
Coagulation studies (PT, INR, and aPTT)
 
Serum protein electrophoresis (SPEP)
 
Quantitative serum Igs (IgA, IgG, and IgM)
 
Review of AEs and concomitant medications
 
Overall disease assessment
8.3. 
Follow-up Phase
Once a participant has completed the EOT visit, they will enter the follow-up phase. Participants
who withdraw from treatment for reasons other than PD and withdraw of consent will participate
in ongoing follow-up visits.
8.3.1. 
Response Follow-up Visits (Until PD)
Participants who discontinue the study for reasons other than PD will be followed every 12 weeks
(±7 days) by clinic visit until PD or use of alternative anticancer therapy. During this period, the
following procedures will be performed:
 
Collect blood samples for the following laboratory tests:
 
Hematology
 
Serum protein electrophoresis (SPEP)
 
Quantitative serum Igs (IgA, IgG, and IgM)
 
Overall disease assessment
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 
Survival status and new anticancer therapy use
8.3.2. 
Survival Follow-up Visits
After confirmed disease progression, participants will be contacted to assess survival status
approximately every 12 weeks (±7 days) by clinic visit or telephone to assess survival, the use of
alternative antineoplastic therapy, and occurrence of any other malignancy until death, withdrawal
of consent by participant, lost to follow-up, or study terminated by sponsor, whichever comes first.
8.4. 
Efficacy Assessments
Response assessments will be performed using the modified consensus criteria adapted from the
sixth IWWM (NCCN version 2, 2019).27
Progression of nodal and extranodal disease should be evaluated based on the revised criteria for
malignant lymphoma described in the revised International Working Group for NHL.3 The spleen
is considered nodal disease.
Efficacy evaluation will include the following components:
 
Hematologic parameters by complete blood count (CBC)
 
Quantitative serum Igs (IgA, IgG, and IgM)
 
Quantitative serum-M protein (SPEP)
 
Qualitative serum immunofixation, if applicable
 
Radiographic evaluation, if applicable
 
Bone marrow aspirate and biopsy, if applicable
If disease progression is suspected solely based on the results of a single examination or a single
laboratory parameter (eg, IgM), this finding should be confirmed by a subsequent evaluation at
least within 4 weeks from the first finding. Additional hematologic parameters, radiographic
evaluation and bone marrow biopsy should be performed at the discretion of the treating physician
to confirm PD if indicated. PD is defined as one of the following:
 
A ≥25% increase in serum IgM with a total increase of at least 500 mg/dL from nadir
(Confirmation of the initial IgM increase is required when IgM is sole criterion for progressive
disease.)
Note: Nadir for serum IgM is defined as the lowest serum IgM value obtained at any time
from baseline onwards with the exception that serum IgM levels post-plasmapheresis will not
be considered for up to 35 days.
 
New symptomatic disease on the basis of malignant pleural effusion, Bing Neel (WM CNS
disease) syndrome, amyloidosis or light chain deposition disease, or other paraprotein
mediated disorder.
 
New or recurrent involvement in the bone marrow
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 
Measurable nodal and extranodal disease will follow the definition of nodal progression by
imaging in Section 8.4.6.1
 
Appearance of new splenomegaly or ≥50% increase from nadir in enlargement of the spleen
 
Appearance of new extranodal disease
In general, participants should continue study intervention until progression is confirmed by a
serial examination within 4 weeks from the first finding and confirmation by the investigator.
When disease progression has been confirmed by the investigator, study intervention should be
discontinued. Once the investigator has confirmed disease progression, participants should
continue to adhere to all other study-related procedures. Whenever possible, subsequent anticancer
therapy should not be initiated until disease progression is confirmed by the investigator.
If at any time CR is suspected (serum IgM values in normal range and disappearance of the SPEP),
all assessments including serum immunofixation, bone marrow assessment and radiographic
evaluation (if nodal/extranodal disease is present at baseline) must be performed according to the
IWWM response assessment guidelines.
The determination of disease status for continuation of treatment will be assessed by the
investigator at the site based on the results of the efficacy assessments. For the primary endpoint,
response to treatment or progression will be determined based on radiographic evaluations as
assessed by independent radiologist and the overall response assessment will be performed by an
independent oncologist (ie, IRC). The process and convention of the IRC will be detailed in a
separate charter.
8.4.1. 
Quantitative Serum Immunoglobulins
Testing for IgA, IgG and IgM levels will be performed by central laboratory.
8.4.2. 
Serum Immunofixation
Samples will be collected and sent to a central laboratory. Repetitive immunofixation on study is
only required to confirm a CR (conducted on the first observation that the participant has no
detectable monoclonal protein) and then repeated at every study visit until disease progression.
8.4.3. 
Serum Protein Electrophoresis (SPEP)
Sample(s) will be sent to a central laboratory to quantify the serum-M protein.
8.4.4. 
Serum Free Light Chain Assay
Sample(s) will be sent to a central laboratory for measurement of Ig-free light chains in serum.
8.4.5. 
Serum Viscosity
Additional assessments may be performed if clinically indicated during the course of the study.
Sample(s) will be sent to a central laboratory for measurement of serum viscosity in serum.
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8.4.6. 
Radiographic Imaging
Pretreatment tumor assessment will be performed up to 42 days before the first dose of ibrutinib.
Lesions that have been irradiated cannot be included in the tumor assessment unless unequivocal
tumor progression has been documented in these lesions after radiation therapy.
A CT scan (with contrast unless contraindicated) of the neck, chest, abdomen, and pelvis must be
performed. Information on extranodal involvement will also be recorded.
In the case where CT with contrast is not applicable, an alternative would be a CT without contrast,
or an MRI of the abdomen and pelvis and a CT of the chest without contrast.
NOTE: Positron emission tomography (PET)/CT hybrid scanners may be used to acquire the
required CT images only if the CT produced by the scanner is of diagnostic quality, adheres to the
specified slice thickness/scan parameters, and includes the use of IV contrast. Imaging data will
be sent to IRC and reviewed centrally.
8.4.6.1. 
Radiographic Assessment
Progression of nodal and extranodal disease should be evaluated based on the revised criteria for
malignant lymphoma described in the revised International Working Group for NHL.3 The spleen
is considered nodal disease.
Up to 6 measurable lymph nodes (target lesions) should be considered if the long axis is more than
1.5 cm regardless of the short axis. If a lymph node has a long axis of 1.1 to 1.5 cm, it should only
be considered abnormal if its short axis is more than 1.0 cm. Lymph nodes ≤1.0 cm×≤1.0 cm will
not be considered as abnormal for relapse or PD. In addition, target lesions should be clearly
measurable in at least 2 perpendicular dimensions and, if possible, they should be from disparate
regions of the body when these areas are significantly involved. If additional lesions are present
but are not included in the target lesion assessment, they can be added as nontarget lesions followed
throughout the study.
Nodal progression by imaging is defined as one of the following:
 
Appearance of any new lesion more than 1.5 cm in any axis or more than 1.0 cm in short axis
during or at the end of therapy, even if other lesions are decreasing in size.
 
At least a 50% increase from nadir in the sum of product (SPD) of any previously involved
nodes.
 
At least a 50% increase from nadir in the product of a single previously involved node.
 
Of those, regarding a lymph node with a diameter of the short axis of less than 1.0 cm at
nadir, in the product of the node must increase by ≥50% from nadir and to a size of
1.5×1.5 cm or more than 1.5 cm in the long axis.
 
At least a 50% increase in the longest diameter of any single previously identified node
more than 1 cm in its short axis.
Measurable extranodal disease should be assessed in a manner similar to that for nodal disease.
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8.4.7. 
Bone Marrow Sampling and Pathologic Diagnosis
Enrollment of the participants in the study will be based on local pathologic assessment and study
intervention can be initiated prior to the review by the central pathologist. Central pathologic
review will be performed to confirm clinicopathological diagnosis based on central pathologic
assessment and histopathological confirmation of lymphoplasmacytic lymphoma (LPL), which is
the underlying histology of WM. Details regarding the central pathologic review will be outlined
in a separate pathology charter.
A central pathologic review will be performed for all participants. Bone marrow biopsy or bone
marrow smears are necessary for bone marrow assessment.
The following material will be sent to the central pathologist:
 
Stained slides from bone marrow biopsy and aspirates used for LPL/WM diagnosis (All slides
including special stain and immunostaining)
 
Unstained slides may be requested to be submitted if the samples need to be reviewed by
unstained ones
Bone marrow samples should be obtained to confirm CR if at any time CR is suspected.
Standard clinical bone marrow assessment will be performed at the study site’s local laboratory
and confirmed centrally.
If a participant has not been diagnosed as WM by the central pathologist, the investigator should
discuss with the medical monitor on if the participant should continue to participate in the study
and whether it is appropriate to continue the study intervention.
8.5. 
Safety Assessments
The study will include the following evaluations of safety according to the timepoints outlined in
the Section 1.3. Any clinically significant abnormalities persisting at the end of the study/early
withdrawal will be followed by the investigator until resolution or until a clinically stable condition
is reached.
Adverse events will be reported and followed by the investigator as specified in Section 8.6
(Adverse Events and Serious Adverse Events) and Section 10.4 (Appendix 4, Adverse Events:
Definitions and Procedures for Recording, Evaluating, Follow-up, and Reporting).
Any clinically relevant changes occurring during the study must be recorded on the AE section of
the eCRF.
The study will include the following evaluations of safety and tolerability according to the
timepoints provided in the Section 1.3.
In addition to the Medical Monitor and investigators, the external safety monitoring committee
will assess toxicity and safety at the timepoint of the prescheduled safety analyses. The
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prescheduled timepoints include Week 5 data of the first 5 subjects and Week 5 data of all subjects.
The charter of this committee will be prepared separately.
Details regarding the external safety monitoring committee are provided in Committees Structure
in Section 10.3, Appendix 3, Regulatory, Ethical, and Study Oversight Considerations.
8.5.1. 
Adverse Events
All AEs will be reported from the time a signed and dated ICF is obtained until 30 days following
the last dose of ibrutinib or until initiation of subsequent anticancer therapy, whichever is earlier.
Adverse events will be graded according to the NCI-CTCAE version 4.03.
8.5.1.1. 
Reporting of Tumor Flare
Therapy with rituximab in WM is commonly associated with a surge of IgM levels (IgM flare or
tumor flare). This transient increase of IgM levels will most likely not indicate disease progression
and participants may continue therapy with rituximab.
The Medical Dictionary for Regulatory Activities (MedDRA) does not support the reporting of
“IgM flare” and therefore these events should be reported as an AE of 'tumor flare'. Table 5
provides guidance on grading this particular event.
Table 5: 
Grading for Adverse Events of IgM Associated Tumor Flare
Tumor flare
Grade 1 
<25% IgM increase during rituximab therapy
Grade 2 
≥25% IgM increase during rituximab therapy
Grade 3 
IgM increase during rituximab therapy associated with clinical intervention (eg, plasmapheresis)
Grade 4 
IgM increase during rituximab therapy associated with life-threatening consequences; urgent
intervention indicated
Grade 5 
Death
8.5.2. 
Physical Examinations
The screening, Week 1, suspected PD, EOT, and follow-up physical examination will include, at
a minimum, the general appearance of the participant, height (screening only), weight, and
examination per clinical practice. Review of symptoms should include inquiry of ocular
symptoms; participants should be referred to an ophthalmologist for a formal examination if any
eye-related symptoms of severity ≥Grade 2 are reported, and the outcome must be reported on the
ophthalmologic eCRF.
A limited symptom-directed physical examination will be required after Week 1 at timepoints
specified in the Section 1.3.
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8.5.3. 
Vital Signs
Vital signs will include measurement of blood pressure, pulse rate, respiratory rate, and body
temperature and will be assessed at timepoints specified in the Section 1.3.
Blood pressure and pulse rate measurements should be preceded by at least 5 minutes of rest in a
quiet setting without distractions (eg, television, cell phones).
8.5.4. 
ECOG
The ECOG performance index is provided in Section 10.8, Appendix 8. The ECOG performance
status will be assessed at timepoints specified in the Section 1.3.
8.5.5. 
Electrocardiograms
A single 12-lead ECG will be taken at screening. During the collection of ECGs, participants
should be in a quiet setting without distractions (eg, television, cell phones). Participants should
rest in a supine position for at least 5 minutes before ECG collection and should refrain from
talking or moving arms or legs. If blood sampling or vital sign measurement is scheduled for the
same timepoint as ECG recording, the procedures should be performed in the following order:
ECGs, vital signs, blood draw.
Any clinically significant abnormalities noted at screening should be included in the medical
history. Additionally, ECGs can be performed at the investigator’s discretion if clinically indicated
anytime during the study.
8.5.6. 
Clinical Safety Laboratory Assessments
Blood samples for serum chemistry, coagulation tests, and hematology and urine sample for urine
pregnancy test will be collected as noted in Section 10.2, Appendix 2, Clinical Laboratory Tests.
The investigator must review the laboratory results, document this review, and record any
clinically relevant changes occurring during the study in the AE section of the eCRF. The
laboratory reports must be filed with the source documents.
Serology
Serologies include evaluation of HIV antibody, hepatitis C antibody, HBsAb, HBsAg, and HBcAb.
If HBsAb, HBcAb, HBsAg, or hepatitis C antibody is positive, then PCR to quantitate hepatitis B
DNA or C RNA must be performed and must be negative prior to enrollment. Participants who
are positive for Hepatitis C antibody should have documented 24 weeks of SVR in order to be
eligible for the study.
Clinical and laboratory signs of active HBV infection should be closely monitored for HBV
carriers or participants who have history of hepatitis B during and following study intervention,
according to the Guidelines for Prevention of Immunosuppressive Therapy or
Chemotherapy-Induced Reactivation of HBV Infection.19 Consultation with a hepatitis specialist
is also recommended.
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8.6. 
Adverse Events and Serious Adverse Events
Timely, accurate, and complete reporting and analysis of safety information from clinical studies
are crucial for the protection of participants, investigators, and the sponsor, and are mandated by
regulatory agencies worldwide. The sponsor has established Standard Operating Procedures in
conformity with regulatory requirements worldwide to ensure appropriate reporting of safety
information; all clinical studies conducted by the sponsor or its affiliates will be conducted in
accordance with those procedures.
Adverse events will be reported by the participant (or, when appropriate, by a caregiver, surrogate,
or the participant's legally acceptable representative) for the duration of the study.
Anticipated events will also be recorded and reported.
For further details on AEs and SAEs (Definitions and Classifications; Attribution Definitions;
Severity Criteria; Special Reporting Situations; Procedures) as well as product quality complaints,
refer to Section 10.4, Appendix 4, Adverse Events: Definitions and Procedures for Recording,
Evaluating, Follow-up, and Reporting.
8.6.1. 
Time Period and Frequency for Collecting Adverse Event and Serious
Adverse Event Information
All Adverse Events
All AEs and special reporting situations, whether serious or nonserious, will be reported from the
time a signed and dated ICF is obtained until completion of the participant's last study-related
procedure, which may include contact for follow-up of safety and survival. Serious AEs, including
those spontaneously reported to the investigator within 30 days after the last dose of study
intervention, must be reported using the Serious Adverse Event Form. The sponsor will evaluate
any safety information that is spontaneously reported by an investigator beyond the time frame
specified in the protocol.
Serious Adverse Events
All SAEs occurring during the study must be reported to the appropriate sponsor contact person
by study-site personnel within 24 hours of their knowledge of the event.
Information regarding SAEs will be transmitted to the sponsor using the Serious Adverse Event
Form and Safety Report Form of the eCRF, which must be completed and reviewed by a physician
from the study site and transmitted to the sponsor within 24 hours. The initial and follow-up reports
of an SAE should be transmitted electronically or by facsimile (fax).
8.6.2. 
Follow-up of Adverse Events and Serious Adverse Events
Adverse events, including pregnancy, will be followed by the investigator as specified in
Section 10.4, Appendix 4, Adverse Events: Definitions and Procedures for Recording, Evaluating,
Follow-up, and Reporting.
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8.6.3. 
Regulatory Reporting Requirements for Serious Adverse Events
The sponsor assumes responsibility for appropriate reporting of AEs to the regulatory authorities.
The sponsor will also report to the investigator (and the head of the investigational institute where
required) all suspected unexpected serious adverse reactions (SUSARs). The investigator (or
sponsor where required) must report SUSARs to the appropriate IEC/IRB that approved the
protocol unless otherwise required and documented by the IEC/IRB.
8.6.4. 
Pregnancy
All initial reports of pregnancy in female participants or partners of male participants must be
reported to the sponsor by the study-site personnel within 24 hours of their knowledge of the event
using the appropriate pregnancy notification form. Abnormal pregnancy outcomes (eg,
spontaneous abortion, fetal death, stillbirth, congenital anomalies, ectopic pregnancy) are
considered SAEs and must be reported using the Serious Adverse Event Form. If any participant
becomes pregnant during the study, the study treatment should be suspended and the Medical
Monitor should be contacted as soon as possible to discuss study treatment options.
Follow-up information regarding the outcome of the pregnancy and any postnatal sequelae in the
infant will be required.
8.6.5. 
Adverse Events of Special Interest
Specific AEs or groups of AEs will be followed as part of standard safety monitoring activities by
the sponsor. These events will be reported to the sponsor within 24 hours of awareness irrespective
of seriousness (ie, SAEs and non-SAEs) following the procedure described above for SAEs and
will require enhanced data collection.
Major Hemorrhage
Major hemorrhage is defined as any of the following:
1. Any treatment-emergent hemorrhagic AEs of ≥Grade 3 (Note: All hemorrhagic events
requiring transfusion of red blood cells should be reported as ≥Grade 3 AE per NCI-CTCAE.
Those events meeting the definition)
2. Any treatment-emergent SAEs of bleeding of any grade
3. Any treatment-emergent central nervous system hemorrhage/hematoma of any grade
Other Malignancies
In addition to all routine AE reporting; all new malignant tumors, including solid tumors, skin
malignancies, and hematologic malignancies; are to be reported for the duration of study
intervention and during any protocol-specified follow-up periods including postprogression
follow-up for overall survival.
8.7. 
Treatment of Overdose
For this study, any dose of ibrutinib greater than 420 mg within a day will be considered an
overdose. The sponsor does not recommend specific intervention for an overdose.
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In the event of an overdose, the investigator or treating physician should:
 
Contact the Medical Monitor immediately.
 
Closely monitor the participant for AE/SAE and laboratory abnormalities until ibrutinib can
no longer be detected systemically (at least 30 days).
 
Obtain a plasma sample for PK analysis within 36 hours from the date of the last dose of study
intervention if requested by the Medical Monitor (determined on a case-by-case basis).
 
Document the quantity of the excess dose as well as the duration of the overdosing in the
eCRF.
Decisions regarding dose interruptions or modifications will be made by the investigator in
consultation with the Medical Monitor based on the clinical evaluation of the participant.
8.8. 
Pharmacokinetics
8.8.1. 
Evaluations
Blood samples of approximately 2 mL will be collected for measurement of plasma concentrations
of ibrutinib and PCI-45227 (metabolite). Other potential metabolites of ibrutinib may be explored
per the PK Sample Schedule (Table 6).
Samples collected for analyses of ibrutinib and PCI-45227 (metabolite) concentration may
additionally be used to evaluate safety or efficacy aspects that address concerns arising during or
after the study period for the evaluation of relevant biomarkers. Genetic analyses will not be
performed on these plasma samples. Participant confidentiality will be maintained. Additional
information about the collection, handling, and shipment of biological samples can be found in the
laboratory manual.
8.8.2. 
Analytical Procedures
Pharmacokinetics
Plasma samples will be analyzed to determine concentrations of ibrutinib using a validated,
specific, and sensitive liquid chromatography/tandem mass spectrometry method by or under the
supervision of the sponsor. Other potential metabolites of ibrutinib may be explored (Table 6).
Table 6: 
Pharmacokinetic Sample Schedule
Week 
Study Day 
Predose 
Timepoint Postdosea
1 h±15 min 
2 h±15 min 
4 h±30 min 
6 h±1 h
4 
1 
X 
X 
X 
X 
X
a Time after ibrutinib dosing
Refer to the laboratory manual for instructions on collecting and processing these samples. The
participant should refrain from taking ibrutinib in the morning of study visits designated for the
PK sampling. The investigator or designee will supervise administration of ibrutinib and the exact
time of ibrutinib administration and blood samplings. Exact times of administration of study
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intervention will be recorded. Predose sample will be collected 24 hours (±2 hours) after dosing
on the previous day and prior to dosing on the study day. Time of the last meal prior to the dosing
to be recorded in the eCRF.
8.8.3. 
Pharmacokinetic Parameters and Evaluations
Parameters
At least following PK parameters for ibrutinib and PCI-45227 (metabolite) will be determined by
noncompartment method. Predose concentrations will also be used as 24 hours concentrations for
the PK parameters' calculation:
 
Area under the plasma concentration-time curve from time zero to time of last measurable
concentration (AUClast)
 
Area under the plasma concentration-time curve from time zero to 24 hours (AUC24h)
 
Maximum plasma concentration (Cmax)
 
Time to reach the maximum plasma concentration (tmax)
 
Elimination half-life (t1/2)
In addition, the plasma concentration data of ibrutinib may be used for population PK analysis.
8.9. 
Pharmacodynamics
Not applicable.
8.10. 
Biomarkers
Blood samples will be collected and used by sponsor for biomarker analysis. These biomarker
analyses may include MYD88, CXCR-4, and other genetic and genomic alterations thought to be
prognostic of disease and/or treatment outcomes.
A portion of pretreatment bone marrow samples collected for diagnosis may also be used by
sponsor for further biomarker analysis.
Stopping Analysis
Biomarker analyses are dependent upon the availability of appropriate biomarker assays and
clinical response rates. Biomarker analysis may be deferred or not performed, if during or at the
end of the study, it becomes clear that the analysis will not have sufficient scientific value for
biomarker evaluation, or if there are not enough samples or responders to allow for adequate
biomarker evaluation. In the event the study is terminated early or shows poor clinical efficacy,
completion of biomarker assessments is based on justification and intended utility of the data.
Additional Collections
If it is determined at any time before study completion that additional material is needed from a
formalin-fixed, paraffin-embedded tumor sample for the successful completion of the
protocol-specified analyses, the sponsor may request that additional material be retrieved from
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existing samples. Also, based on emerging scientific evidence, the sponsor may request additional
material from previously collected tumor samples during or after study completion for a
retrospective analysis. In this case, such analyses would be specific to research related to the study
intervention(s) or diseases being investigated.
9. 
STATISTICAL CONSIDERATIONS
Statistical analysis will be done by the sponsor or under the authority of the sponsor. A general
description of the statistical methods to be used to analyze the efficacy and safety data is outlined
below. Specific details will be provided in the statistical analysis plan (SAP).
A clinical cutoff for the primary analysis for all efficacy and safety endpoints will be conducted at
the time when all participants complete the assessment of Week 57 or EOT visit. Final analysis
will be conducted at the study end, when all the participants have completed all planned
assessments or have discontinued the study.
9.1. 
Statistical Hypotheses
The primary hypothesis of this study is that ibrutinib in combination with rituximab is an effective
agent in Japanese participants with treatment naïve or relapsed/refractory WM as measured by an
ORR (the lower bound of exact 95% CI based on binomial distribution >32%).
9.2. 
Sample Size Determination
The target sample size is 14. Assuming an expected ORR of 72%, 14 participants are needed to
demonstrate that the lower limit of exact 2-sided 95% CI of estimated ORR exceeds 32% with
80% power. The sample size was decided based on the study PCYC-1127-CA results, where the
response rate was 72% for the ibrutinib plus rituximab arm, and 32% for the placebo plus rituximab
arm.
9.3. 
Populations for Analyses
For purposes of analysis, the following populations are defined:
Population/Analysis 
Sets
Description
Enrolled 
All participants who sign the ICF.
PK evaluable 
All enrolled participants who will receive at least 1 dose of ibrutinib and have at least 1
postdose PK sample obtained.
Safety/ All treated 
All enrolled participants who receive at least 1 dose of ibrutinib.
Response evaluable 
All enrolled participants who have measurable disease at baseline, receive at least 1 dose
of ibrutinib and who have at least 1 adequate postbaseline efficac y assessment.
9.4. 
Statistical Analyses
The SAP will be finalized prior to database lock and it will include a more technical and detailed
description of the statistical analyses described in this section. This section is a summary of the
planned statistical analyses of the most important endpoints including primary and key secondary
endpoints.
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9.4.1. 
General Considerations
For continuous variables, number of observations, means, standard deviations, medians, and
ranges will be included. For categorical variables, frequency and percentage will be summarized.
For time-to-event variables, Kaplan-Meier estimates will be provided.
All tests will be conducted at a 2-sided alpha level of 0.05, and 95% CIs will be provided, unless
stated otherwise.
9.4.2. 
Primary Endpoint
Overall response rate is defined as the proportion of participants who achieve ≥PR according to
the modified sixth IWWM (NCCN version 2, 2019).27
Definition
Proportion of participants achieving a best overall response of confirmed CR, VGPR, or PR by
IRC assessment at or prior to initiation of subsequent antineoplastic therapy.
Analysis Methods
The response evaluable analysis set will be used for primary endpoint. The all treated analysis set
will be used for supplementary analysis.
The ORR and its 95% CI will be calculated with the exact test for binomial distribution in the
response evaluable population. The study is considered to be positive if the lower limit of the exact
2-sided 95% CI based on binominal distribution exceeds the threshold value (0.32). Best overall
response will also be summarized.
9.4.3. 
Secondary Endpoints
To evaluate efficacy of ibrutinib, when combined with rituximab in Japanese participants with
treatment naïve or relapsed/refractory WM in terms of the following:
 
Progression-free survival (PFS)
 
Pharmacokinetics (PK) profile of ibrutinib and metabolite PCI-45227
 
Prognostic biomarkers relative to disease and/or treatment outcomes including MYD88 and
CXCR-4
Definition
PFS:
Time from the date of initial dose to the date of first documented evidence of PD, death, or date of
censoring whichever occurs first, regardless of the use of subsequent antineoplastic therapy prior
to documented PD or death [date of first PD or death or censoring date of initial dose+1 day].
Participants whose diseases have not progressed and who are still alive at the end of the study or
clinical cutoff will be censored at the last adequate disease assessment. Participants who do not
have any postbaseline disease evaluation will be censored at the date of the first dose of ibrutinib.
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Analysis Methods
The all treated analysis set will be used for all secondary efficacy endpoints. The Kaplan-Meier
method will be used to descriptively summarize the PFS in the all treated analysis set. Median PFS
and the corresponding 95% CI will be provided if estimable with Kaplan-Meier plot.
In addition to the PK parameters described in Section 8.8.3, the plasma concentration data of
ibrutinib may be used for population PK analysis. MYD88, CXCR-4, and other genetic and
genomic alterations thought to be prognostic of disease and/or treatment outcome may be tested.
Safety evaluation is also a secondary endpoint for this study.
9.4.4. 
Safety Analyses
Safety parameters of ibrutinib when used in combination with rituximab in Japanese participants
with WM will be evaluated. All safety analyses will be made on the safety analysis set. The safety
variables to be analyzed include AEs, clinical laboratory test results (hematology, coagulation
parameters, and chemistry), ECG, physical examination findings, and vital signs measurements.
Exposure to ibrutinib and reasons for discontinuation from study intervention will be tabulated. In
general, continuous variables will be summarized using descriptive statistics (n, mean, median,
standard deviation, standard error and range). Categorical variables will be summarized using
frequencies and percentages.
Adverse Events
The verbatim terms used in the eCRF by investigators to identify AEs will be coded using the
MedDRA. Any AE occurring at or after the initial administration of study intervention through the
day of last dose plus 30 days is considered to be treatment-emergent. All reported treatment-
emergent AEs will be included in the analysis. For each AE, the percentage of participants who
experience at least 1 occurrence of the given event will be summarized by intervention group. In
addition, comparisons between intervention groups will be provided if appropriate.
Summaries, listings, datasets, or participant narratives may be provided, as appropriate, for those
participants who die, who discontinue intervention due to an AE, or who experience a severe or a
serious AE.
All AEs will be reported from the time a signed and dated ICF is obtained until 30 days following
the last dose of ibrutinib or until initiation of subsequent anticancer therapy, whichever is earlier.
Adverse events will be graded according to the NCI-CTCAE version 4.03.
Clinical Laboratory Tests
Laboratory data will be summarized by type of laboratory test. Reference ranges and markedly
abnormal results (specified in the SAP) will be used in the summary of laboratory data. Descriptive
statistics will be calculated for each laboratory analyte at baseline and for observed values and
changes from baseline at each scheduled timepoint. Changes from baseline results will be
presented in pre- versus postintervention cross-tabulations (with classes for below, within, and
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above normal ranges). A listing of participants with any laboratory results outside the reference
ranges will be provided. A listing of participants with any markedly abnormal laboratory results
will also be provided.
Vital Signs
Vital signs including body temperature, respiratory rate, pulse rate, and blood pressure (systolic
and diastolic) (supine) will be summarized over time, using descriptive statistics and/or graphically.
The percentage of participants with values beyond clinically important limits will be summarized.
9.4.5. 
Other Analyses
Pharmacokinetic Analyses
Data will be listed for all participants with available plasma concentrations of ibrutinib. Data or
participants will be excluded from the PK analysis if their data do not allow for accurate assessment
of the PK (eg, incomplete administration of the study intervention; missing information of dosing
and sampling times; concentration data not sufficient for PK parameter calculation).
All concentrations below the lowest quantifiable concentration or missing data will be labeled as
such in the concentration database. All participants and samples excluded from the analysis will
be clearly documented in the study report.
If the data is subjected to population PK analysis, details will be given in a population PK analysis
plan and results will be described in a separate report. The data may be combined with data from
other ibrutinib studies.
The concentration data will be summarized at each timepoint using descriptive statistics (mean,
standard deviation [SD], coefficient of variation [%CV], median, minimum and maximum), and
mean±SD concentration-time profile will be graphically displayed. Concentration below the
quantification limit will be treated as zero in the summary statistics.
The individual PK parameters of ibrutinib and PCI-45227 derived by noncompartment method
(Section 8.8.3) will be listed and summarized using descriptive statistics (mean, SD, %CV,
geometric mean, median, minimum and maximum).
9.5. 
Interim Analysis
Not applicable.
9.6. 
Data Monitoring Committee or Other Review Board
An IRC and an external safety monitoring committee will be established as noted in Committees
Structure in Section 10.3, Appendix 3, Regulatory, Ethical, and Study Oversight Considerations.
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10. 
SUPPORTING DOCUMENTATION AND OPERATIONAL CONSIDERATIONS
10.1. 
Appendix 1: Abbreviations
AE 
adverse event
aPTT 
activated partial thromboplastin time
AUC 
area under the concentration-time curve
BR 
bendamustine/rituximab
BTK 
Bruton’s tyrosine kinase
CD 
cluster of differentiation
cGVHD 
chronic graft versus host disease
CI 
confidence interval
CLL 
chronic lymphocytic leukemia
CR 
complete response
CSR 
clinica l stud y report
CT 
computed tomography 
CXCR-4 
C-X-C chemokine receptor type 4
CYP 
cytochrome P450
ECG 
electrocardiogram
ECOG 
Eastern Oncology Cooperative Group
eDC 
electronic data capture
eCRF 
electronic case report form
EOT 
end-of-treatment
ESMO 
European Societ y for Medical Oncology
EU 
European Union
FDA 
Food and Dru  g Administration
GCP 
good clinical practice
HBV 
hepatitis B virus
HBcAb 
hepatitis B core antibody 
HBsAb 
hepatitis B surface antibody 
HBsAg 
hepatitis B surface antigen
HIV 
human immunodeficienc y virus
IB 
Investigator’s Brochure
ICF 
informed consent form
ICH 
The International Council for Harmonisation of Technical Requirements for Pharmaceuticals for
Human Use
IEC 
independent ethics committee
Ig 
immunoglobulin
IgM 
immunoglobulin macroglobulin
ILD 
interstitial lun  g disease
INR 
international normalized ratio
IRB 
institutional review board
IRC 
Independent Review Committee
IV 
intravenous
IWWM 
International Workshop on Waldenstrom’s Macroglobulinemia
LPL 
lymphoplasmacytic lymphoma
MCL 
mantle cell lymphoma
MR 
minor response
MYD88 
myeloid differentiation primar y response gene 88
NCCN 
National Comprehensive Cancer Network
NCI-CTCAE 
National Cancer Institute Common Terminology Criteria for Adverse Events
NHL 
Non-Hodgkin’s Lymphoma
ORR 
overall response rate
PCR 
polymerase chain reaction
PD 
progressive disease
PFS 
progression-free survival
P-gp 
P-glycoprotein
PK 
pharmacokinetic(s)
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PQC 
Product Qualit y Complaint
PR 
partial response
PT 
prothrombin time
SAE 
serious adverse event
SAP 
statistical analysis plan
SCAR 
severe cutaneous adverse reaction
SD 
standard deviation
SLL 
small lymphocytic lymphoma
SPEP 
serum protein electrophoresis
SUSAR 
suspected unexpected serious adverse reaction
TTR 
time to response
ULN 
upper limit of normal
US 
United States
VGPR 
very good partial response
WM 
Waldenstrom’s Macroglobulinemia
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10.3. 
Appendix 3: Regulatory, Ethical, and Study Oversight Considerations
REGULATORY AND ETHICAL CONSIDERATIONS
Investigator Responsibilities
The investigator is responsible for ensuring that the study is performed in accordance with the
protocol, current ICH guidelines on Good Clinical Practice (GCP), and applicable regulatory and
country-specific requirements.
Good Clinical Practice is an international ethical and scientific quality standard for designing,
conducting, recording, and reporting studies that involve the participation of human participants.
Compliance with this standard provides public assurance that the rights, safety, and well-being of
study participants are protected, consistent with the principles that originated in the Declaration of
Helsinki, and that the study data are credible.
Protocol Amendments
Neither the investigator nor the sponsor will modify this protocol without a formal amendment by
the sponsor. All protocol amendments must be issued by the sponsor and signed and dated by the
investigator. Protocol amendments must not be implemented without prior IEC/IRB approval, or
when the relevant competent authority has raised any grounds for nonacceptance, except when
necessary to eliminate immediate hazards to the participants, in which case the amendment must
be promptly submitted to the IEC/IRB and relevant competent authority. Documentation of
amendment approval by the investigator and IEC/IRB must be provided to the sponsor. When the
change(s) involve only logistic or administrative aspects of the study, the IEC/IRB (where
required) only needs to be notified.
During the course of the study, in situations where a departure from the protocol is unavoidable,
the investigator or other physician in attendance will contact the appropriate sponsor representative
listed in the Protocol Supplementary Information page(s), which will be provided as a separate
document. Except in emergency situations, this contact should be made before implementing any
departure from the protocol. In all cases, contact with the sponsor must be made as soon as possible
to discuss the situation and agree on an appropriate course of action. The data recorded in the eCRF
and source documents will reflect any departure from the protocol, and the source documents will
describe this departure and the circumstances requiring it.
Regulatory Approval/Notification
This protocol and any amendment(s) must be submitted to the appropriate regulatory authorities
in each respective country, if applicable. A study may not be initiated until all local regulatory
requirements are met.
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Required Prestudy Documentation
The following documents must be provided to the sponsor before shipment of study intervention
to the study site:
 
Protocol and amendment(s), if any, signed and dated by the principal investigator
 
A copy of the dated and signed (or sealed, where appropriate per local regulations), written
IEC/IRB approval of the protocol, amendments, ICF, any recruiting materials, and if
applicable, participant compensation programs. This approval must clearly identify the
specific protocol by title and number and must be signed (or sealed, where appropriate per
local regulations) by the chairman or authorized designee
 
Name and address of the IEC/IRB, including a current list of the IEC/IRB members and their
function, with a statement that it is organized and operates according to GCP and the
applicable laws and regulations. If accompanied by a letter of explanation, or equivalent, from
the IEC/IRB, a general statement may be substituted for this list. If an investigator or a
member of the study-site personnel is a member of the IEC/IRB, documentation must be
obtained to state that this person did not participate in the deliberations or in the vote/opinion
of the study
 
Regulatory authority approval or notification, if applicable
 
Signed and dated statement of investigator (eg, Form FDA 1572), if applicable
 
Documentation of investigator qualifications (eg, curriculum vitae)
 
Completed investigator financial disclosure form from the principal investigator, where
required
 
Signed and dated Clinical Trial Agreement, which includes the financial agreement
 
Any other documentation required by local regulations
The following documents must be provided to the sponsor before enrollment of the first
participant:
 
Completed investigator financial disclosure forms from all subinvestigators
 
Documentation of subinvestigator qualifications (eg, curriculum vitae)
 
Name and address of any local laboratory conducting tests for the study, and a dated copy of
current laboratory normal ranges for these tests, if applicable
 
Local laboratory documentation demonstrating competence and test reliability
(eg, accreditation/license), if applicable
Independent Ethics Committee or Institutional Review Board
Before the start of the study, the investigator (or sponsor where required) will provide the IEC/IRB
with current and complete copies of the following documents (as required by local regulations):
 
Final protocol and, if applicable, amendments
 
Sponsor-approved ICF (and any other written materials to be provided to the participants)
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 
IB (or equivalent information) and amendments/addenda
 
Sponsor-approved participant recruiting materials
 
Information on compensation for study-related injuries or payment to participants for
participation in the study, if applicable
 
Investigator's curriculum vitae or equivalent information (unless not required, as documented
by the IEC/IRB)
 
Information regarding funding, name of the sponsor, institutional affiliations, other potential
conflicts of interest, and incentives for participants
 
Any other documents that the IEC/IRB requests to fulfill its obligation
This study will be undertaken only after the IEC/IRB has given full approval of the final protocol,
amendments (if any, excluding the ones that are purely administrative, with no consequences for
participants, data or study conduct, unless required locally), the ICF, applicable recruiting materials,
and participant compensation programs, and the sponsor has received a copy of this approval. This
approval letter must be dated and must clearly identify the IEC/IRB and the documents being
approved.
During the study the investigator (or sponsor where required) will send the following documents
and updates to the IEC/IRB for their review and approval, where appropriate:
 
Protocol amendments (excluding the ones that are purely administrative, with no
consequences for participants, data or study conduct)
 
Revision(s) to ICF and any other written materials to be provided to participants
 
If applicable, new or revised participant recruiting materials approved by the sponsor
 
Revisions to compensation for study-related injuries or payment to participants for
participation in the study, if applicable
 
New edition(s) of the IB and amendments/addenda
 
Summaries of the status of the study at intervals stipulated in guidelines of the IEC/IRB (at
least annually)
 
Reports of AEs that are serious, unlisted/unexpected, and associated with the study
intervention
 
New information that may adversely affect the safety of the participants or the conduct of the
study
 
Deviations from or changes to the protocol to eliminate immediate hazards to the participants
 
Report of deaths of participants under the investigator's care
 
Notification if a new investigator is responsible for the study at the site
 
Development Safety Update Report and Line Listings, where applicable
 
Any other requirements of the IEC/IRB
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For all protocol amendments (excluding the ones that are purely administrative, with no
consequences for participants, data or study conduct), the amendment and applicable ICF revisions
must be submitted promptly to the IEC/IRB for review and approval before implementation of the
change(s).
At least once a year, the IEC/IRB will be asked to review and reapprove this study, where required.
At the end of the study, the investigator (or sponsor where required) will notify the IEC/IRB about
the study completion (if applicable, the notification will be submitted through the head of
investigational institution).
Other Ethical Considerations
For study-specific ethical design considerations, refer to Section 4.2.1.
FINANCIAL DISCLOSURE
Investigators and subinvestigators will provide the sponsor with sufficient, accurate financial
information in accordance with local regulations to allow the sponsor to submit complete and
accurate financial certification or disclosure statements to the appropriate regulatory authorities.
Investigators are responsible for providing information on financial interests during the course of
the study and for 1 year after completion of the study.
Refer to Required Prestudy Documentation (above) for details on financial disclosure.
INFORMED CONSENT PROCESS
Each participant must give written consent according to local requirements after the nature of the
study has been fully explained. The ICF(s) must be signed before performance of any study-related
activity. The ICF(s) that is/are used must be approved by both the sponsor and by the reviewing
IEC/IRB and be in a language that the participant can read and understand. The informed consent
should be in accordance with principles that originated in the Declaration of Helsinki, current ICH
and GCP guidelines, applicable regulatory requirements, and sponsor policy.
Before enrollment in the study, the investigator or an authorized member of the study-site
personnel must explain to potential participants the aims, methods, reasonably anticipated benefits,
and potential hazards of the study, and any discomfort participation in the study may entail.
Participants will be informed that their participation is voluntary and that they may withdraw
consent to participate at any time. They will be informed that choosing not to participate will not
affect the care the participant will receive for the treatment of his or her disease. Participants will
be told that alternative treatments are available if they refuse to take part and that such refusal will
not prejudice future treatment. Finally, they will be told that the investigator will maintain a
participant identification register for the purposes of long-term follow-up if needed and that their
records may be accessed by health authorities and authorized sponsor personnel without violating
the confidentiality of the participant, to the extent permitted by the applicable law(s) or regulations.
By signing the ICF the participant is authorizing such access, which includes permission to obtain
information about his or her survival status. It also denotes that the participant agrees to allow his
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or her study physician to recontact the participant for the purpose of obtaining consent for
additional safety evaluations, and subsequent disease-related treatments, if needed.
The participant will be given sufficient time to read the ICF and the opportunity to ask questions.
After this explanation and before entry into the study, consent should be appropriately recorded by
means of the participant's personally dated signature. After having obtained the consent, a copy of
the ICF must be given to the participant.
Where local regulations require, a separate ICF may be used for the required DNA component of
the study.
If the participant is unable to read or write, an impartial witness should be present for the entire
informed consent process (which includes reading and explaining all written information) and
should personally date and sign the ICF after the oral consent of the participant is obtained.
DATA PROTECTION
Privacy of Personal Data
The collection and processing of personal data from participants enrolled in this study will be
limited to those data that are necessary to fulfill the objectives of the study.
These data must be collected and processed with adequate precautions to ensure confidentiality
and compliance with applicable data privacy protection laws and regulations. Appropriate
technical and organizational measures to protect the personal data against unauthorized disclosures
or access, accidental or unlawful destruction, or accidental loss or alteration must be put in place.
Sponsor personnel whose responsibilities require access to personal data agree to keep the identity
of participants confidential.
The informed consent obtained from the participant includes explicit consent for the processing of
personal data and for the investigator/institution to allow direct access to his or her original medical
records (source data/documents) for study-related monitoring, audit, IEC/IRB review, and
regulatory inspection. This consent also addresses the transfer of the data to other entities and to
other countries.
The participant has the right to request through the investigator access to his or her personal data
and the right to request rectification of any data that are not correct or complete. Reasonable steps
will be taken to respond to such a request, taking into consideration the nature of the request, the
conditions of the study, and the applicable laws and regulations.
Exploratory DNA biomarker, and PK research is not conducted under standards appropriate for
the return of data to participants. In addition, the sponsor cannot make decisions as to the
significance of any findings resulting from exploratory research. Therefore, exploratory research
data will not be returned to participants or investigators, unless required by law or local regulations.
Privacy and confidentiality of data generated in the future on stored samples will be protected by
the same standards applicable to all other clinical data.
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LONG-TERM RETENTION OF SAMPLES FOR ADDITIONAL FUTURE RESEARCH
Samples collected in this study may be stored for up to 15 years (or according to local regulations)
for additional research. Samples will only be used to understand ibrutinib, to understand WM, to
understand differential intervention responders, and to develop tests/assays related to ibrutinib and
WM. The research may begin at any time during the study or the poststudy storage period.
Stored samples will be coded throughout the sample storage and analysis process and will not be
labeled with personal identifiers. Participants may withdraw their consent for their samples to be
stored for research (refer to Section 7.2.1, Withdrawal From the Use of Research Samples).
COMMITTEES STRUCTURE
Independent Review Committee
An Independent Review Committee (IRC) will be established to conduct response evaluations.
This committee will consist of a minimum of 2 radiologists, (as applicable), and an independent
oncologist/hematologist. The IRC assessment will incorporate nodal and extranodal assessments
from the central radiology review in addition to the laboratory efficacy evaluations. Details
regarding IRC and central radiology review activities will be outlined in a separate charter. An
IRC is established to conduct response assessment centrally according to the IRC charter.
Safety Monitoring Committee
An external safety monitoring committee will be set up in this study to evaluate safety data from
the study at predefined timepoints or in emergency. This committee will consist of at least
1 medical expert of hematological malignancies and will provide a recommendation for study
continuation, interruption, or termination; committee membership responsibilities, authorities, and
procedures will be documented in its charter.
PUBLICATION POLICY/DISSEMINATION OF CLINICAL STUDY DATA
All information, including but not limited to information regarding ibrutinib or the sponsor's
operations (eg, patent application, formulas, manufacturing processes, basic scientific data, prior
clinical data, formulation information) supplied by the sponsor to the investigator and not
previously published, and any data, including exploratory biomarker research data, generated as a
result of this study, are considered confidential and remain the sole property of the sponsor. The
investigator agrees to maintain this information in confidence and use this information only to
accomplish this study and will not use it for other purposes without the sponsor's prior written
consent.
The investigator understands that the information developed in the study will be used by the
sponsor in connection with the continued development of ibrutinib, and thus may be disclosed as
required to other clinical investigators or regulatory agencies. To permit the information derived
from the clinical studies to be used, the investigator is obligated to provide the sponsor with all
data obtained in the study.
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The results of the study will be reported in a clinical study report (CSR) generated by the sponsor
and will contain data from all study sites that participated in the study as per protocol. Recruitment
performance or specific expertise related to the nature and the key assessment parameters of the
study will be used to determine a coordinating investigator for the study. Results of exploratory
biomarker analyses performed after the CSR has been issued will be reported in a separate report
and will not require a revision of the CSR.
Study participant identifiers will not be used in publication of results. Any work created in
connection with performance of the study and contained in the data that can benefit from copyright
protection (except any publication by the investigator as provided for below) shall be the property
of the sponsor as author and owner of copyright in such work.
Consistent with Good Publication Practices and International Committee of Medical Journal
Editors (ICMJE) guidelines, the sponsor shall have the right to publish such primary (multicenter)
data and information without approval from the investigator. The investigator has the right to
publish study site-specific data after the primary data are published. If an investigator wishes to
publish information from the study, a copy of the manuscript must be provided to the sponsor for
review at least 60 days before submission for publication or presentation. Expedited reviews will
be arranged for abstracts, poster presentations, or other materials. If requested by the sponsor in
writing, the investigator will withhold such publication for up to an additional 60 days to allow for
filing of a patent application. In the event that issues arise regarding scientific integrity or
regulatory compliance, the sponsor will review these issues with the investigator. The sponsor will
not mandate modifications to scientific content and does not have the right to suppress information.
For multicenter study designs and substudy approaches, secondary results generally should not be
published before the primary endpoints of a study have been published. Similarly, investigators
will recognize the integrity of a multicenter study by not submitting for publication data derived
from the individual study site until the combined results from the completed study have been
submitted for publication, within 18 months after the study end date, or the sponsor confirms there
will be no multicenter study publication. Authorship of publications resulting from this study will
be based on the guidelines on authorship, such as those described in the ICMJE Recommendations
for the Conduct, Reporting, Editing and Publication of Scholarly Work in Medical Journals, which
state that the named authors must have made a significant contribution to the conception or design
of the work; or the acquisition, analysis, or interpretation of the data for the work; and drafted the
work or revised it critically for important intellectual content; and given final approval of the
version to be published; and agreed to be accountable for all aspects of the work in ensuring that
questions related to the accuracy or integrity of any part of the work are appropriately investigated
and resolved.
Registration of Clinical Studies and Disclosure of Results
The sponsor will register and disclose the existence of and the results of clinical studies as required
by law. The disclosure of the final study results will be performed after the end of study in order
to ensure the statistical analyses are relevant.
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DATA QUALITY ASSURANCE
Data Quality Assurance/Quality Control
Steps to be taken to ensure the accuracy and reliability of data include the selection of qualified
investigators and appropriate study sites, review of protocol procedures with the investigator and
study-site personnel before the study, and periodic monitoring visits by the sponsor, and direct
transmission of clinical laboratory data from a central laboratory into the sponsor's data base.
Written instructions will be provided for collection, handling, storage, and shipment of samples.
Guidelines for eCRF completion will be provided and reviewed with study-site personnel before
the start of the study.
The sponsor will review eCRF for accuracy and completeness during on-site monitoring visits and
after transmission to the sponsor; any discrepancies will be resolved with the investigator or
designee, as appropriate. After upload of the data into the study database they will be verified for
accuracy and consistency with the data sources.
CASE REPORT FORM COMPLETION
Case report forms are prepared and provided by the sponsor for each participant in electronic
format. All data relating to the study must be recorded in eCRF. All eCRF entries, corrections, and
alterations must be made by the investigator or authorized study-site personnel. The investigator
must verify that all data entries in the eCRF are accurate and correct.
The study data will be transcribed by study-site personnel from the source documents onto an
eCRF, if applicable. Study-specific data will be transmitted in a secure manner to the sponsor.
Worksheets may be used for the capture of some data to facilitate completion of the eCRF. Any
such worksheets will become part of the participant's source documents. Data must be entered into
eCRF in English. The eCRF must be completed as soon as possible after a participant visit and the
forms should be available for review at the next scheduled monitoring visit.
If necessary, queries will be generated in the eDC tool. If corrections to an eCRF are needed after
the initial entry into the eCRF, this can be done in either of the following ways:
 Investigator and study-site personnel can make corrections in the eDC tool at their own
initiative or as a response to an auto query (generated by the eDC tool).
 Sponsor or sponsor delegate can generate a query for resolution by the investigator and study-
site personnel.
SOURCE DOCUMENTS
At a minimum, source documents consistent in the type and level of detail with that commonly
recorded at the study site as a basis for standard medical care must be available for the following:
participant identification, eligibility, and study identification; study discussion and date of signed
informed consent; dates of visits; results of safety and efficacy parameters as required by the
protocol; record of all AEs and follow-up of AEs; concomitant medication; intervention
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receipt/dispensing/return records; study intervention administration information; and date of study
completion and reason for early discontinuation of study intervention or withdrawal from the study,
if applicable.
The author of an entry in the source documents should be identifiable.
Specific details required as source data for the study and source data collection methods will be
reviewed with the investigator before the study and will be described in the monitoring guidelines
(or other equivalent document).
The minimum source documentation requirements for Section 5.1, Inclusion Criteria and
Section 5.2, Exclusion Criteria that specify a need for documented medical history are as follows:
 Diagnosis based on IWWM criteria28
 Previous treatment regimen and its efficacy
Inclusion and Exclusion Criteria not requiring documented medical history must be verified at a
minimum by participant interview or other protocol-required assessment (eg, physical examination,
laboratory assessment) and documented in the source documents.
An eSource system may be utilized, which contains data traditionally maintained in a hospital or
clinic record to document medical care (eg, electronic source documents) as well as the clinical
study-specific data fields as determined by the protocol. This data is electronically extracted for
use by the sponsor. If eSource is utilized, references made to the eCRF in the protocol include the
eSource system but information collected through eSource may not be limited to that found in the
eCRF.
MONITORING
The sponsor will use a combination of monitoring techniques (central, remote, or on-site
monitoring) to monitor this study.
The sponsor will perform on-site monitoring visits as frequently as necessary. The monitor will
record dates of the visits in a study site visit log that will be kept at the study site. The first
postinitiation visit will be made as soon as possible after enrollment has begun. At these visits, the
monitor will compare the data entered into the eCRF with the source documents
(eg, hospital/clinic/physician’s office medical records). The nature and location of all source
documents will be identified to ensure that all sources of original data required to complete the
eCRF are known to the sponsor and study-site personnel and are accessible for verification by the
sponsor study-site contact. If electronic records are maintained at the study site, the method of
verification must be discussed with the study-site personnel.
Direct access to source documents (medical records) must be allowed for the purpose of verifying
that the recorded data are consistent with the original source data. Findings from this review will
be discussed with the study-site personnel. The sponsor expects that, during monitoring visits, the
relevant study-site personnel will be available, the source documents will be accessible, and a
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suitable environment will be provided for review of study-related documents. The monitor will
meet with the investigator on a regular basis during the study to provide feedback on the study
conduct.
In addition to on-site monitoring visits, remote contacts can occur. It is expected that during these
remote contacts, study-site personnel will be available to provide an update on the progress of the
study at the site.
Central monitoring will take place for data identified by the sponsor as requiring central review.
ON-SITE AUDITS
Representatives of the sponsor's clinical quality assurance department may visit the study site at
any time during or after completion of the study to conduct an audit of the study in compliance
with regulatory guidelines and company policy. These audits will require access to all study
records, including source documents, for inspection. Participant privacy must, however, be
respected. The investigator and study-site personnel are responsible for being present and available
for consultation during routinely scheduled study-site audit visits conducted by the sponsor or its
designees.
Similar auditing procedures may also be conducted by agents of any regulatory body, either as part
of a national GCP compliance program or to review the results of this study in support of a
regulatory submission. The investigator should immediately notify the sponsor if he or she has
been contacted by a regulatory agency concerning an upcoming inspection.
RECORD RETENTION
In compliance with the ICH/GCP guidelines, the investigator/institution will maintain all eCRF
entries and all source documents that support the data collected from each participant, as well as
all study documents as specified in ICH/GCP Section 8, Essential Documents for the Conduct of
a Clinical Trial, and all study documents as specified by the applicable regulatory requirement(s).
The investigator/institution will take measures to prevent accidental or premature destruction of
these documents.
Essential documents must be retained until at least 2 years after the last approval of a marketing
application in an ICH region and until there are no pending or contemplated marketing applications
in an ICH region or until at least 2 years have elapsed since the formal discontinuation of clinical
development of the investigational product. These documents will be retained for a longer period
if required by the applicable regulatory requirements or by an agreement with the sponsor. It is the
responsibility of the sponsor to inform the investigator/institution as to when these documents no
longer need to be retained.
If the responsible investigator retires, relocates, or for other reasons withdraws from the
responsibility of keeping the study records, custody must be transferred to a person who will accept
the responsibility. The sponsor must be notified in writing of the name and address of the new
custodian. Under no circumstance shall the investigator relocate or dispose of any study documents
before having obtained written approval from the sponsor.
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If it becomes necessary for the sponsor or the appropriate regulatory authority to review any
documentation relating to this study, the investigator/institution must permit access to such reports.
STUDY AND SITE START AND CLOSURE
First Act of Recruitment
The first site open is considered the first act of recruitment and it becomes the study start date.
Study Termination
The sponsor reserves the right to close the study site or terminate the study at any time for any
reason at the sole discretion of the sponsor. 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 study-site closure visit has been performed.
The investigator may initiate study-site closure at any time, provided there is reasonable cause and
sufficient notice is given in advance of the intended termination.
Reasons for the early closure of a study site by the sponsor or investigator may include but are not
limited to:
 Failure of the investigator to comply with the protocol, the requirements of the IEC/IRB or
local health authorities, the sponsor's procedures, or GCP guidelines
 Inadequate recruitment of participants by the investigator
 Discontinuation of further study intervention development
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10.4. 
Appendix 4: Adverse Events: Definitions and Procedures for Recording,
Evaluating, Follow-up, and Reporting
ADVERSE EVENT DEFINITIONS AND CLASSIFICATIONS
Adverse Event
An AE is any untoward medical occurrence in a clinical study participant administered a medicinal
(investigational or noninvestigational) product. An AE does not necessarily have a causal
relationship with the intervention. An AE can therefore be any unfavorable and unintended sign
(including an abnormal finding), symptom, or disease temporally associated with the use of a
medicinal (investigational or noninvestigational) product, whether or not related to that medicinal
(investigational or noninvestigational) product. (Definition per International Conference on
Harmonisation [ICH])
This includes any occurrence that is new in onset or aggravated in severity or frequency from the
baseline condition, or abnormal results of diagnostic procedures, including laboratory test
abnormalities.
Note: The sponsor collects AEs starting with the signing of the ICF (refer to All Adverse Events
under Section 8.6.1, Time Period and Frequency for Collecting Adverse Events and Serious
Adverse Events Information, for time of last AE recording).
Serious Adverse Event
An SAE based on ICH and EU Guidelines on Pharmacovigilance for Medicinal Products for
Human Use is any untoward medical occurrence that at any dose:
 
Results in death
 
Is life-threatening
(The participant was at risk of death at the time of the event. It does not refer to an event that
hypothetically might have caused death if it were more severe)
 
Requires inpatient hospitalization or prolongation of existing hospitalization
 
Results in persistent or significant disability/incapacity
 
Is a congenital anomaly/birth defect
 
Is a suspected transmission of any infectious agent via a medicinal product
 
Is Medically Important*
*Medical and scientific judgment should be exercised in deciding whether expedited reporting is
also appropriate in other situations, such as important medical events that may not be immediately
life-threatening or result in death or hospitalization but may jeopardize the participant or may
require intervention to prevent one of the other outcomes listed in the definition above. These
should usually be considered serious.
If a serious and unexpected AE occurs for which there is evidence suggesting a causal relationship
between the study intervention and the event (eg, death from anaphylaxis), the event must be
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reported as a serious and unexpected suspected adverse reaction even if it is a component of the
study endpoint (eg, all-cause mortality).
Unlisted (Unexpected) Adverse Event/Reference Safety Information
An AE is considered unlisted if the nature or severity is not consistent with the applicable product
reference safety information. For ibrutinib, the expectedness of an AE will be determined by
whether or not it is listed in the IB. For rituximab, the expectedness of an AE will be determined
by whether or not it is listed in the package insert.29
Adverse Event Associated With the Use of the Intervention
An AE is considered associated with the use of the intervention if the attribution is possible,
probable, or very likely by the definitions listed below (see Attribution Definitions).
ATTRIBUTION DEFINITIONS
Not Related
An AE that is not related to the use of the intervention.
Doubtful
An AE for which an alternative explanation is more likely, eg, concomitant treatment(s),
concomitant disease(s), or the relationship in time suggests that a causal relationship is unlikely.
Possible
An AE that might be due to the use of the intervention. An alternative explanation, eg, concomitant
treatment(s), concomitant disease(s), is inconclusive. The relationship in time is reasonable;
therefore, the causal relationship cannot be excluded.
Probable
An AE that might be due to the use of the intervention. The relationship in time is suggestive
(eg, confirmed by dechallenge). An alternative explanation is less likely, eg, concomitant
treatment(s), concomitant disease(s).
Very Likely
An AE that is listed as a possible adverse reaction and cannot be reasonably explained by an
alternative explanation, eg, concomitant treatment(s), concomitant disease(s). The relationship in
time is very suggestive (eg, it is confirmed by dechallenge and rechallenge).
SEVERITY CRITERIA
Adverse events will be graded according to the NCI-CTCAE version 4.03.
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SPECIAL REPORTING SITUATIONS
Safety events of interest on a sponsor study intervention in an interventional study that may require
expedited reporting or safety evaluation include, but are not limited to:
 
Overdose of a sponsor study intervention
 
Suspected abuse/misuse of a sponsor study intervention
 
Accidental or occupational exposure to a sponsor study intervention
 
Any failure of expected pharmacologic action (ie, lack of effect) of a sponsor study
intervention
 
Unexpected therapeutic or clinical benefit from use of a sponsor study intervention
 
Medication error involving a sponsor product (with or without participant/patient exposure to
the sponsor study intervention, eg, name confusion)
 
Exposure to a sponsor study intervention from breastfeeding
Special reporting situations should be recorded in the eCRF. Any special reporting situation that
meets the criteria of an SAE should be recorded on the SAE page of the eCRF.
PROCEDURES
All Adverse Events
All AEs, regardless of seriousness, severity, or presumed relationship to study intervention, must
be recorded using medical terminology in the source document and the eCRF. Whenever possible,
diagnoses should be given when signs and symptoms are due to a common etiology (eg, cough,
runny nose, sneezing, sore throat, and head congestion should be reported as "upper respiratory
infection"). Investigators must record in the eCRF their opinion concerning the relationship of the
AE to study therapy. All measures required for AE management must be recorded in the source
document and reported according to sponsor instructions.
For all studies with an outpatient phase, including open-label studies, the participant must be
provided with a "wallet (study) card" and instructed to carry this card with them for the duration
of the study indicating the following:
 
Study number
 
Statement, in the local language(s), that the participant is participating in a clinical study
 
Investigator's name and 24-hour contact telephone number
 
Local sponsor's name and 24-hour contact telephone number (for medical personnel only)
 
Site number
 
Participant number
 
Any other information that is required to do an emergency breaking of the blind
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Serious Adverse Events
All SAEs that have not resolved by the end of the study, or that have not resolved upon
discontinuation of the participant's participation in the study, must be followed until any of the
following occurs:
 
The event resolves
 
The event stabilizes
 
The event returns to baseline, if a baseline value/status is available
 
The event can be attributed to agents other than the study intervention or to factors unrelated
to study conduct
 
It becomes unlikely that any additional information can be obtained (participant or health care
practitioner refusal to provide additional information, lost to follow-up after demonstration of
due diligence with follow-up efforts)
Suspected transmission of an infectious agent by a medicinal product will be reported as an SAE.
Any event requiring hospitalization (or prolongation of hospitalization) that occurs during the
course of a participant's participation in a study must be reported as an SAE, except
hospitalizations for the following:
 
Hospitalizations not intended to treat an acute illness or AE (eg, social reasons such as pending
placement in long-term care facility).
 
Surgery or procedure planned before entry into the study (must be documented in the eCRF).
Note: Hospitalizations that were planned before the signing of the ICF, and where the
underlying condition for which the hospitalization was planned has not worsened, will not be
considered SAEs. Any AE that results in a prolongation of the originally planned
hospitalization is to be reported as a new SAE.
 
For convenience the investigator may choose to hospitalize the participant for the duration of
the intervention period.
Expected progression of disease should not be considered an AE (or SAE). However, if determined
by the investigator to be more likely related to the study treatment than the underlying disease, the
clinical signs or symptoms of progression and the possibility that the study treatment is enhancing
disease progression, should be reported per the usual reporting requirements.
CONTACTING SPONSOR REGARDING SAFETY
The names (and corresponding telephone numbers) of the individuals who should be contacted
regarding safety issues or questions regarding the study are listed in the Protocol Supplementary
Information page(s), which will be provided as a separate document.
PRODUCT QUALITY COMPLAINT HANDLING
A product quality complaint (PQC) is defined as any suspicion of a product defect related to
manufacturing, labeling, or packaging, ie, any dissatisfaction relative to the identity, quality,
durability, or reliability of a product, including its labeling or package integrity. A PQC may have
an impact on the safety and efficacy of the product. Timely, accurate, and complete reporting and
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analysis of PQC information from studies are crucial for the protection of participants,
investigators, and the sponsor, and are mandated by regulatory agencies worldwide. The sponsor
has established procedures in conformity with regulatory requirements worldwide to ensure
appropriate reporting of PQC information; all studies conducted by the sponsor or its affiliates will
be conducted in accordance with those procedures.
Procedures
All initial PQCs must be reported to the sponsor by the study-site personnel within 24 hours after
being made aware of the event.
If the defect is combined with an SAE, the study-site personnel must report the PQC to the sponsor
according to the SAE reporting timelines (refer to Section 8.6.1, Time Period and Frequency for
Collecting Adverse Event and Serious Adverse Event Information). A sample of the suspected
product should be maintained for further investigation if requested by the sponsor.
Contacting Sponsor Regarding Product Quality
The names (and corresponding telephone numbers) of the individuals who should be contacted
regarding product quality issues are listed in the Protocol Supplementary Information page(s),
which will be provided as a separate document.
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10.5. 
Appendix 5: Contraceptive and Barrier Guidance and Collection of
Pregnancy Information
Participants must follow contraceptive measures as outlined in Section 5.1, Inclusion Criteria.
Pregnancy information will be collected and reported as noted in Section 8.6.4, Pregnancy and
Section 10.4, Appendix 4 Adverse Events: Definitions and Procedures for Recording, Evaluating,
Follow-up, and Reporting.
Definitions
Woman of Childbearing Potential (WOCBP)
A woman is considered fertile following menarche and until becoming postmenopausal unless
permanently sterile (see below).
Woman Not of Childbearing Potential
 
premenarchal
A premenarchal state is one in which menarche has not yet occurred.
 
postmenopausal
A postmenopausal state is defined as no menses for 12 months without an alternative medical
cause. A high follicle stimulating hormone (FSH) level (>40 IU/L or mIU/mL) in the
postmenopausal range may be used to confirm a postmenopausal state in women not using
hormonal contraception or hormonal replacement therapy (HRT), however in the absence of
12 months 
of 
amenorrhea, 
a 
single 
FSH 
measurement 
is 
insufficient.
If there is a question about menopausal status in women on HRT, the woman will be required
to use one of the nonestrogen-containing hormonal highly effective contraceptive methods if
she wishes to continue HRT during the study.
 
permanently sterile
Permanent sterilization methods include hysterectomy, bilateral salpingectomy, bilateral tubal
occlusion/ligation procedures, and bilateral oophorectomy.
Note: If the childbearing potential changes after start of the study (eg, a premenarchal woman
experiences menarche) or the risk of pregnancy changes (eg, a woman who is not heterosexually
active becomes active), a woman must begin a highly effective method of contraception, as
described throughout the Inclusion Criteria.
If reproductive status is questionable, additional evaluation should be considered.
Contraceptive (birth control) use by men or women should be consistent with local regulations
regarding the acceptable methods of contraception for those participating in clinical studies.
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Examples of Contraceptives
EXAMPLES OF CONTRACEPTIVESa ALLOWED DURING THE STUDY INCLUDE:
USER INDEPENDENT
Highly Effective Methods That Are User Independent Failure rate of ≤1% per year when used
consistently and correctly.
 Implantable progestogen-only hormone contraception associated with inhibition of ovulationb
 Intrauterine device (IUD)
 Intrauterine hormone-releasing system (IUS)
 Bilateral tubal occlusion
 Vasectomized partner
(Vasectomized partner is a highly effective contraceptive method provided that the partner is the
sole sexual partner of the woman of childbearing potential and the absence of sperm has been
confirmed. If not, additional highly effective method of contraception should be used.
Spermatogenesis cycle is approximately 74 days.)
USER DEPENDENT
Highly Effective Methods That Are User Dependent Failure rate of <1% per year when used
consistently and correctly.
 Combined (estrogen- and progestogen-containing) hormonal contraception associated with
inhibition of ovulationb
 oral
 intravaginal
 transdermal
 injectable
 Progestogen-only hormone contraception associated with inhibition of ovulationb
 oral
 injectable
 Sexual abstinence
(Sexual abstinence is considered a highly effective method only if defined as refraining from
heterosexual 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 and the
preferred and usual lifestyle of the participant.)
NOT ALLOWED AS SOLE METHOD OF CONTRACEPTION DURING THE STUDY (not
considered to be highly effective - failure rate of 1% per year)
 Progestogen-only oral hormonal contraception where inhibition of ovulation is not the primary
mode of action.
 Male or female condom with or without spermicidec
 Cap, diaphragm, or sponge with spermicide
 A combination of male condom with either cap, diaphragm, or sponge with spermicide (double-
barrier methods)c
 Periodic abstinence (calendar, symptothermal, postovulation methods)
 Withdrawal (coitus-interruptus)
 Spermicides alone
 Lactational amenorrhea method (LAM)
a) Typical use failure rates may differ from those when used consistently and correctly. Use should be
consistent with local regulations regarding the use of contraceptive methods for participants in clinical
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studies.
b) Hormonal contraception may be susceptible to interaction with the study intervention, which may
reduce the efficacy of the contraceptive method. In addition, consider if the hormonal contraception
may interact with the study intervention.
c) Male condom and female condom should not be used together (due to risk of failure with friction).
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10.6. 
Appendix 6: Child-Pugh Scores for Participants with Chronic Liver
Impairment
Measure 
1 point 
2 points 
3 points
Total bilirubin, μmol/L (mg/dL) 
<34 (<2) 
34-50 (2-3) 
>50 (>3)
Serum albumin, g/L (g/dL) 
>35 (>3.5) 
28-35 (2.8-3.5) 
<28 (<2.8)
PT/INR 
<1.7 
1.71-2.30 
>2.30
Ascites 
None 
Mild 
Moderate to Severe
Hepatic encephalopathy 
None 
Grade I-II (or suppressed 
with medication) 
Grade III-IV
(or refractory)
 
Points 
Class
5-6 
A
7-9 
B
10-15 
C
Sources:
 Child CG, Turcotte JG. Surgery and portal hypertension. In: Child CG, editor. The liver and portal hypertension.
Philadelphia: Saunders; 1964:pp. 50-64.
 Pugh RN, Murray-Lyon IM, Dawson L, Pietroni MC, Williams R. Transection of the oesophagus for bleeding
oesophageal varices. Br J Surg. 1973;60(8):646-649.
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10.7. 
Appendix 7: Inhibitors and Inducers of CYP3A
Inhibitors and inducers of CYP3A are defined as follows. A comprehensive list of inhibitors can
be found at the following website: http://medicine.iupui.edu/clinpharm/ddis/table.aspx. The
general categorization into strong, moderate, and weak inhibitors according to the website is
displayed below. Refer to Section 6.5.2.3 on instructions for concomitant use of CYP3A inhibitors
or inducers with ibrutinib.
Inhibitors of CYP3A 
Inducers of CYP3A
Strong inhibitors:
Indinavir
Nelfinavir
Ritonavir
Clarithromycin
Itraconazole
Ketoconazole
Nefazodone
Saquinavir
Telithromycin
Moderate inhibitors:
Aprepitant
Erythromycin
Diltiazem
Fluconazole
Grapefruit juice
Seville orange juice
Verapamil
Weak inhibitors:
Cimetidine
All other inhibitors:
Amiodarone
NOT azithromycin
Chloramphenicol
Boceprevir
Ciprofloxacin
Delaviridine
diethyl-dithiocarbamate
Fluvoxamine
Gestodene
Imatinib
Mibefradil
Mifepristone
Norfloxacin
Norfluoxetine
Star fruit
Telaprevir
Troleandomycin
Voriconazole
Carbamazepine
Efavirenz
Nevirapine
Barbiturates
Glucocorticoids
Modafinil
Oxcarbarzepine
Phenobarbital
Phenytoin
Pioglitazone
Rifabutin
Rifampin
St. John’s Wort
Troglitazone
Source: http://medicine.iupui.edu/clinpharm/ddis/table.aspx.
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10.8. 
Appendix 8: ECOG Status Scores
Status
Eastern Cooperative Oncology Group (ECOG) Performance Status
0 
 
Fully active, able to carry on all predisease performance without restriction.
1
Restricted in physically strenuous activity but ambulatory and able to carry out work of a light
or sedentary nature, eg, light housework, office work.
2
Ambulatory and capable of all self-care, but unable to carry out any work activities. Up and
about more than 50% of waking hours.
3
Capable of only limited self-care, confined to bed or chair more than 50% of waking hours.
4
 
Completely disabled. Cannot carry on any self-care. Totally confined to bed or chair.
5
Dead.
 
Source:
Oken MM, Creech RH, Tormey DC, et al. Toxicity And Response Criteria Of The Eastern Cooperative Oncology
Group. Am J Clin Oncol. 1982;5(6):649-655.
Available at: http://www.ecog.org/general/perf stat.html. Accessed January 4, 2008
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10.9. 
Appendix 9: Protocol Amendment History
The Protocol Amendment Summary of Changes Table for the current amendment is located
directly before the Table of Contents (TOC).
Amendment 2 (25 May 2020)
Overall Rationale for the Amendment:  This amendment is performed to include appendix for guidance
on study conduct during the COVID-19 and to modify radiological imaging requirements.
Section Number 
and Name
Description of Change 
Brief Rationale
1.3. Schedule of 
Activities (SoA), 
Footnote
8.2.7. Week 25
Onwards Until PD or
Unacceptable Toxicity
(Ever y 8 Weeks)
All participants should require CT scans at Week
57 instead of option.
To perform tumor assessment by
CT scans at Week 57 for all
participants.
10.10.Appendix 10 
Guidance on study conduct during the COVID-
19 pandemic is added in section 10.10.
To provide general guidance on
study conduct during the COVID-
19 pandemic.
Amendment 1 (31 October 2019)
Overall Rationale for the Amendment:  This amendment is performed because inclusion and exclusion
criteria should be modified.
Section Number 
and Name
Description of Change 
Brief Rationale
5.1. Inclusion Criteria; 
#10, #11, 5.2. 
Exclusion Criteria; 
#17  
The duration of birth control, donate eggs or 
pregnancy after last dose of ibrutinib for women 
of childbearing potential is for up to 1 month 
instead of 3 months. 
To align the duration of birth
control, donate eggs or pregnancy
after last dose of ibrutinib to the
latest risk language.
7.1. Discontinuation 
of Study Intervention 
The participant with confirmed PD is added in 
section 7.1. 
To clarify that patients with
confirmed PD must discontinue the
study intervention in section 7.1 to
be consistent with other relevant
descriptions.
8.2.2. Week 2, 3, and 
4 
Clarified that “Collect blood sample for 
quantitative serum Igs (IgA, IgG, and IgM)” is 
collected predose onl y at week 4.
Corrected to align with section
6.1.1.1.
8.2.3. Weeks 5, 9 and 
13, 8.2.6. Week 21, 
8.2.7. Week 25
Onwards Until PD or
Unacceptable Toxicity
(Ever y 8 Weeks)
Dispense ibrutinib is added in section 8.2.3, 8.2.6 
and 8.2.7.
Minor errors were noted.
8.4. Efficacy 
Assessments, 8.4.6.1. 
Radiographic 
Assessment
Definition of PD is added. 
To clarify that PD is one reason for
discontinuation of study
intervention.
8.4.5. Serum Viscosity Serum viscosity that will be tested at a central 
laborator y is added. 
The missing section was corrected
to align with section 1.3
8.4.7.Bone Marrow 
Samplin  g and 
The material for bone marrow assessment that 
will be sent to the central pathologist is changed 
To clarify that the stained materials
used b y the site pathologist need to
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Section Number 
and Name
Description of Change 
Brief Rationale
Pathologic Diagnosis 
to "Stained slides from bone marrow biopsy and 
aspirates used for LPL/WM diagnosis (All slides 
including special stain and immunostaining)". 
Additionally, the sentence of “Unstained slides 
may be requested to be submitted if the samples 
need to be reviewed b y unstained ones” is added.
be submitted for central pathologist
review to confirm the diagnosis as
well as the possibility of request for
additional unstained materials when
necessary.
10.2. Appendix 2: 
Clinical Laboratory 
Tests 
Laboratory test in 10.2 will be performed by 
study site instead of the central laboratory. β2- 
microglobulin that will be tested at the local 
laboratory is added. 
To correct the place where
laboratory test will be performed.
The missing laboratory test
parameter was corrected to align
with section 1.3.
Throughout the 
protocol 
Minor grammatical, formatting, or spelling 
changes were made.
Minor errors were noted
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10.10. Appendix 10: GUIDANCE ON STUDY CONDUCT DURING THE COVID-19
PANDEMIC
GENERAL GUIDANCE:
It is recognized that the Coronavirus Disease 2019 (COVID-19) pandemic may have an impact on
the conduct of this clinical study due to, for example, self-isolation/quarantine by participants and
study-site personnel; travel restrictions/limited access to public places, including hospitals; study
site personnel being reassigned to critical tasks.
In alignment with recent health authority guidance, the sponsor is providing options for
study-related participant management in the event of disruption to the conduct of the study. This
guidance does not supersede any local or government requirements or the clinical judgement of
the investigator to protect the health and well-being of participants and site staff. If at any time the
investigator assesses that the risk of treatment may outweigh the benefits, study intervention will
be interrupted, and study follow-up will be conducted.
Scheduled visits that cannot be conducted in person at the study site will be performed to the extent
possible remotely/virtually or delayed until such time that on-site visits can be resumed. At each
contact, participants will be interviewed to collect safety data. Key efficacy endpoint assessments
should be performed if required and as feasible. Participants will also be questioned regarding
general health status to fulfill any physical examination requirement.
Every effort should be made to adhere to protocol-specified assessments for participants on study
intervention, including follow up. Modifications to protocol-required assessments may be
permitted after consultation between the participant and investigator, and with the agreement of
the sponsor. Missed assessments/visits will be captured in the clinical trial management system for
protocol deviations. Discontinuations of study interventions and withdrawal from the study should
be documented with the prefix “COVID-19-related” in the Comments electronic case report form
(eCRF).
The sponsor will continue to monitor the conduct and progress of the clinical study, and any
changes will be communicated to the sites and to the health authorities according to local guidance.
Modifications made to the study conduct as a result of the COVID-19 pandemic should be
summarized in the clinical study report.
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GUIDANCE SPECIFIC TO THIS PROTOCOL:
Participant Visits and Assessments
 For participants who are unable to come to the site for Response Follow-up Visits, the visit
should be postponed and rescheduled as soon as possible.
 For participants who are unable to come to the site for Treatment Phase Visits, contact (eg,
telephone, videoconference, or other channels) with the participant should be made in
advance, to collect information on the participant’s current health status and any new or
ongoing adverse events and concomitant medications. The remote method that is used for
contact with the participant must be allowable per local regulations and fully documented
in the participant source record. Protocol-specified laboratory assessments and physical
examinations should be obtained locally, if possible. Where local laboratories are used, it
is important to ensure appropriate documentation of laboratory reference ranges. After
reviewing all available information, and if the investigator assesses that continued
treatment is acceptable, contact the site manager to discuss alternative solutions for the
provision of study intervention to participants (see alternatives below). The remote contact
with the participant, the local laboratory results, and the sponsor discussion should be
documented in the participant source record. Similarly, at a minimum, a comment must be
entered in the Comments eCRF clearly designating as “COVID-19-related” and
acknowledging the discussion between the investigator and the sponsor.
 If the participant is not willing or able to go to a local clinic/laboratory, remote contact
(eg, telephone, videoconference, or other channels) with the participant is recommended,
as well as a thorough review of the participant’s medical history, prior labs, and most recent
disease evaluation. The remote method chosen must be allowable per local regulations and
fully documented in the participant source record. If appropriate, treatment should be
interrupted until new laboratory assessments are made. However, if the investigator
assesses that continued treatment is acceptable despite the absence of new laboratory tests,
contact the site manager to discuss alternative solutions for the provision of study
medication to participants (see possible alternatives below). Proper documentation of all
discussions and decisions should be made in the participant source record and in the
Comments eCRF.
 If any change in participant status is identified that may impact the participant’s safety,
then study intervention should be interrupted until the participant can be assessed. Any
changes in study intervention (dose, frequency, interruption) needs to be clearly
documented as “COVID-19-related”. When pandemic conditions improve, travel
restrictions are lifted, and the participant is willing and able to come to the clinic,
participants should be scheduled for an in-clinic follow-up visit.
 All deviations from protocol-required assessments should be documented in detail within
the participant’s source record and should be clearly designated as “COVID-19-related”.
It must be documented if a visit is conducted remotely. Source documentation should detail
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how each assessment was collected (eg, remote vs. on-site, central vs. local laboratory,
vital signs taken at home by caretaker vs. delegated in-home nursing).
Study Drug Supply
If a participant is unable to travel to the site for a scheduled visit where study drug would be
dispensed, the following alternate measures should be discussed with the study monitor and may
be considered to ensure continuity of treatment, upon sponsor’s approval:
 A caregiver or family member may pick up study drug on behalf of the participant if first
discussed and agreed by the participant. The conversation with the participant must be
documented in the participant source records. The participant must name the individual
who will pick up study drug on their behalf. This is necessary for site staff to confirm the
study drug is provided to the appropriate individual, ensure proper chain of custody of
study drug, and to maintain participant privacy. Identification of who will pick up the study
drug must be confirmed and documented in the participant source record.
 Investigative site staff may deliver study drug directly to the participant’s home. The chain
of custody and transit conditions must be clearly documented within the participant source
record.
 If no other alternative is feasible, direct-to-patient shipment of study drug from the site may
be considered with prior approval from the sponsor. Site staff need to obtain permission
from the participant and record this in the participant source record for direct-to-patient
shipments. It is important to note this process must be allowed by the local health authority
and a specific approval process must be followed with the sponsor before moving forward.
If requested by the site, the sponsor will investigate local requirements and confirm health
authority requirements for direct-to-patient shipment. If approval is granted by the sponsor,
specific procedures including shipment conditions, preferred courier services, and
documentation requirements will be communicated by the sponsor to the site.
If a participant is able to come to the site for a Treatment Phase Visit but anticipates being unable
to come to the next visit, the investigator may dispense study intervention for the current visit and
an additional visit, after agreement with the sponsor’s medical monitor. Prior to continuing
treatment with the additional study intervention, the participant should obtain protocol-specified
laboratory assessments and physical examinations locally, if possible, and the investigator should
conduct a remote contact as described above. After reviewing all available information, if the
investigator assesses that continued treatment is acceptable, the participant may continue treatment
using the previously supplied additional study intervention. Proper documentation of all
discussions and decisions should be made in the participant source record and in the Comments
eCRF.
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For participants who have reason to believe they have been exposed to COVID-19 but do
not yet have a confirmed diagnosis and/or are not showing symptoms of infection:
 
The investigator should consider the risk/benefit of continuing ibrutinib based on the
individual participant’s underlying condition and the potential risks associated with COVID-
19.
 
If the participant becomes symptomatic at any point, refer to guidance below for participants
with symptomatic COVID-19 infection.
For participants who have been diagnosed with COVID-19:
 
The investigator should contact the sponsor’s responsible medical officer to discuss plans for
study intervention and follow-up.
 
The investigator should consider the risk/benefit of continuing ibrutinib based on the nature
and status of the participant’s underlying condition and the potential risks associated with
COVID-19.
 
As with all infections, the investigator should follow the protocol guidance which is to
interrupt therapy for Grade 4 or unmanageable Grade 3 toxicity (see Section 6.1.1.3), and
resume once infection has resolved to Grade 1 or baseline (recovery). Given that severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) is a new pathogen, a more cautious
approach would be appropriate, with interruption for confirmed cases of SARS-CoV-2
infection of any grade.
On-site Monitoring Visits
In case on-site monitoring visits are not possible, as per institution policies, the sponsor’s site
managers may contact the investigator to arrange remote monitoring visits. Additional on-site
monitoring visits may be needed in the future to catch up on source data verification.
All of the above measures are recommended for consideration on a temporary basis during the
COVID-19 pandemic to enable continuity of treatment and to ensure that participant assessments,
particularly those assessing relapse and safety, continue as outlined in the protocol without
imposing health risk to participants, their families, and site staff. Every effort should be made to
complete all protocol-required assessments. Investigators should use their clinical judgment and
risk/benefit assessment in determining if a participant can continue study intervention in the
absence of on-site clinic visits. If remote visits are not possible, or if in the investigator’s judgment,
appropriate safety monitoring is not feasible in a remote setting, the investigator should consider
temporarily interrupting study intervention (for a maximum of 28 consecutive days, unless
reviewed and approved by the sponsor) or discontinuing study intervention.
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11. 
REFERENCES
1. 
Cao Y, Hunter ZR, Liu X, et al. CXCR4 WHIM-like frameshift and nonsense mutations promote ibrutinib
resistance but do not supplant MYD88(L265P) -directed survival signalling in Waldenstrom
macroglobulinaemia cells. Br J Haematol. 2015;168(5):701-707.
2. 
Cao Y, Hunter ZR, Liu X, et al. The WHIM-like CXCR4(S338X) somatic mutation activates AKT and ERK,
and promotes resistance to ibrutinib and other agents used in the treatment of Waldenstrom’s
Macroglobulinemia. Leukemia. 2015;29(1):169-176.
3. 
Cheson BD, Pfistner B, Juweid ME, et al. Revised response criteria for malignant lymphoma. J Clin Oncol.
2007;25(5):579-586.
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Cheson BD. Rituximab: clinical development and future directions. Expert Opin Biol Ther. 2002;2(1):97-110.
5. 
Clinical Study Report PCYC-1127-CA. iNNOVATE Study: A Randomized, Double-Blind, Placebo-
Controlled, Phase 3 Study of Ibrutinib or Placebo in Combination with Rituximab in Subjects with
Waldenstrom’s Macroglobulinemia. Pharmacyclics LLC (22 Feb 2018).
6. 
Dimopoulos MA, Kastritis E, Roussou M, et al. Rituximab-based treatments in Waldenström’s
macroglobulinemia. Clin Lymphoma Myeloma. 2009;9(1):59-61.
7. 
Dimopoulos MA, Tedeschi A, Trotman J, et al. Phase 3 Trial of Ibrutinib plus Rituximab in Waldenstrom’s
Macroglobulinemia. N Engl J Med. 2018;378(25):2399-2410.
8. 
Dimopoulos MA, Zervas C, Zomas A, et al. Extended rituximab therapy for previously untreated patients with
Waldenström's macroglobulinemia. Clin Lymphoma. 2002;3(3):163-166.
9. 
Dimopoulos MA, Zervas C, Zomas A, et al. Treatment of Waldenström’s macroglobulinemia with rituximab. J
Clin Oncol. 2002;20(9):2327-2333.
10. Dotta L, Tassone L, Badolato R. Clinical and genetic features of warts, Hypogammaglobulinemia, infections
and Myelokathexis (WHIM) syndrome. Curr Mol Med. 2011;11(4):317–325.
11. Gertz MA, Rue M, Blood E, et al. Multicenter phase 2 trial of rituximab for Waldenström’s
macroglobulinemia (WM): an Eastern Cooperative Oncology Group Study (E3A98). Leuk Lymphoma.
2004;45(10):2047-2055.
12. Ghobrial IM, Uslan DZ, Call TG, Witzig TE, Gertz MA. Initial increase in the cryoglobulin level after
rituximab therapy for type II cryoglobulinemia secondary to Waldenström macroglobulinemia does not
indicate failure of response. Am J Hematol. 2004;77(4):329-330.
13. Harris NL, Jaffe ES, Diebold J, et al. World Health Organization classification of neoplastic diseases of the
hematopoietic and lymphoid tissues: report of the Clinical Advisory Committee meeting-Airlie House,
Virginia, November 1997. J Clin Oncol. 1999;17(12):3835-3849.
14. Harris NL, Jaffe ES, Stein H, et al. A revised European-American classification of lymphoid neoplasms: a
proposal from the International Lymphoma Study Group. Blood. 1994;84(5):1361-1392.
15. Hunter ZR, Xu L, Yang, G, et al. The genomic landscape of Waldenström macroglobulinemia is characterized
by highly recurring MYD88 and WHIM-like CXCR4 mutations, and small somatic deletions associated with
B-cell lymphomagenesis. Blood. 2014;123(11):1637-1646.
16. Investigator’s Brochure: IMBRUVICA (ibrutinib), edition 12. Pharmacyclics LLC and Janssen Research &
Development (11 Dec 2018).
17. Japanese society of hematology. IX. Section 26 Waldenström’s macroglobulinemia, MacroLeukocytic Series
Disease: Oncology: Text for Hematologist. Second revision. Nankodo Co, Ltd; Jun 2015. 335-340.
18. Japanese society of hematology. The treatment guidelines of medication for hematopoietic tumor. 2018.
19. JSH Guidelines for the Management of Hepatitis B Virus infection. Hepatol Res. 2014;44(Suppl):S1–S58.
20. Kastritis E, Leblond V, Dimopoulos MA, et al. Waldenström’s macroglobulinaemia: ESMO Clinical Practice
Guidelines for diagnosis, treatment and follow-up. Ann Oncol. 2018;29(Suppl 4):iv41–iv50.
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21. Kimby E, Treon SP, Anagnostopoulos A, et al. Update on recommendations for assessing response from the
Third International Workshop on Waldenstrom's Macroglobulinemia. Clin Lymphoma Myeloma.
2006;6(5):380-383.
22. Konoplev S, Medeiros LJ, Bueso-Ramos CE, Jorgensen JL, Lin P. Immunophenotypic profile of
lymphoplasmacytic lymphoma/Waldenström’s macroglobulinemia. Am J Clin Pathol. 2005;124(3):414-420.
23. Kyle RA, Treon SP, Alexanian R, et al. Prognostic markers and criteria to initiate therapy in Waldenstrom's
macroglobulinemia: consensus panel recommendations from the Second International Workshop on
Waldenstrom's Macroglobulinemia. Semin Oncol. 2003;30(2):116-120.
24. Lymphoma Study Group of Japanese Pathologists. The world health organization classification of malignant
lymphomas in japan: incidence of recently recognized entities. Pathology International. 2000;50(9):696-702.
25. Ministry of Health, Labour and Welfare. Total number of patients by sex, age and injuries/diseases. 2017;
Table 62. https://www.e-stat.go.jp/dbview?sid=0003318621. Accessed 11 October 2018.
26. Morel P, Duhamel A, Gobbi P, et al. International prognostic scoring system for Waldenstrom’s
macroglobulinemia. Blood. 2009;113(18):4163-4170.
27. National Comprehensive Cancer Network Clinical practice guidelines in oncology (NCCN guidelines).
Waldenström’s Macroglobulinemia / Lymphoplasmacytic Lymphoma, Version 2, 2019 September 14, 2018.
28. Owen RG, Treon SP, Al-Katib A, et al. Clinicopathological definition of Waldenström’s macroglobulinemia:
consensus panel recommendations from the Second International Workshop on Waldenström’s
Macroglobulinemia. Semin Oncol 2003;30(2):110-115.
29. Rituxan [Package Insert]. South San Francisco, CA: Genentech, Inc; 2010.
30. San Miguel JF, Vidriales MB, Ocio E, et al. Immunophenotypic analysis of Waldenström’s
macroglobulinemia. Semin Oncol. 2003;30(2):187-195.
31. Swerdlow SH, Campo E, Harris NL, et al, eds. WHO classification of tumours of haematopoietic and
lymphoid tissues. In: Bosman FT, Jaffe ES, Lakhani SR, Ohgaki H, eds. World Health Organization
Classification of Tumours. Lyon, France: IARC; 2008.
32. Swerdlow SH, Campo E, Pileri SA, et al, The 2016 revision of the World Health Organization classification of
lymphoid neoplasms. Blood. 2016;127(20):2375-2390.
33. Treon SP, Emmanouilides C, Kimby E, et al. Extended rituximab therapy in Waldenström's
macroglobulinemia. Ann Oncol. 2005;16(1):132-138.
34. Treon SP, Tripsas CK, Meid K, et al. Ibrutinib in previously treated Waldenstrom’s macroglobulinemia. N
Engl J Med. 2015;372(15):1430-1440.
35. Treon SP, Xu L, Yang G, et al. MYD88 L265P somatic mutation in Waldenström's macroglobulinemia. N
Engl J Med. 2012;367(9):826-833.
36. Yang G, Xu L, Zhou Y, et al. Participation of BTK in MYD88 signaling in malignant cells expressing the
L265P mutation in Waldenström’s macroglobulinemia, and effect on tumor cells with BTK-inhibitor ibrutinib
in combination with MYD88 pathway inhibitors. J Clin Oncol. 2012; 30(suppl 15):8106.
37. Yang G, Zhou Y, Liu X, et al. A mutation in MYD88 (L265P) supports the survival of lymphoplasmacytic
cells by activation of Bruton tyrosine kinase in Waldenström macroglobulinemia. Blood. 2013;122(7):1222-
1232.
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INVESTIGATOR AGREEMENT
I have read this protocol and agree that it contains all necessary details for carrying out this study. I will
conduct the study as outlined herein and will complete the study within the time designated.
I will provide copies of the protocol and all pertinent information to all individuals responsible to me who
assist in the conduct of this study. I will discuss this material with them to ensure that they are fully informed
regarding the study intervention, the conduct of the study, and the obligations of confidentiality.
Coordinating Investigator (where required):
Name (typed or printed):
Institution and Address:
Signature: 
 
Date:
  
 
(Day Month Year)
Principal (Site) Investigator:
Name (typed or printed):
Institution and Address:
Telephone Number:
Signature: 
 
Date:
  
 
(Day Month Year)
 
Sponsor's Responsible Medical Officer:
Name (typed or printed): 
Institution: 
Janssen Pharmaceutical K.K.
Signature: 
electronic signature appended at the end of the protocol 
Date:
  
 
(Day Month Year)
 
Note: If the address or telephone number of the investigator changes during the course of the study, written
notification will be provided by the investigator to the sponsor, and a protocol amendment will not be required.
PPD
NCT04062448


Signature
User 
Date 
Reason
02-Sep-2022
02:44:38
(GMT)
Document Approval
PPD
NCT04062448

SAP_001.pdf: 
CONFIDENTIAL – FOIA Exemptions Apply in U.S. 
1 
Approved, Date: 3 September 2021  
Janssen Pharmaceutical K.K. * 
Statistical Analysis Plan 
Phase 2 Study of Bruton’s Tyrosine Kinase (BTK) inhibitor, Ibrutinib (PCI-32765) in 
Combination With Rituximab, in Japanese Patients With Waldenstrom’s 
Macroglobulinemia (WM) 
Protocol 54179060WAL2002; Phase 2 
JNJ-54179060  (ibrutinib)  
*This study is being conducted by Janssen Pharmaceutical K.K. in Japan.
Status: 
Approved 
Date: 
3 September 2021 
Prepared by: 
Janssen Pharmaceutical K.K. 
Document No.: EDMS-ERI-200718833 
Compliance:  The study described in this report was performed according to the principles of Good Clinical Practice (GCP). 
Confidentiality Statement 
The information provided herein contains Company trade secrets, commercial or financial information that the Company 
customarily holds close and treats as confidential.  The information is being provided under the assurance that the recipient 
will maintain the confidentiality of the information under applicable statutes, regulations, rules, protective orders or 
otherwise. 
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Statistical Analysis Plan  54179060WAL2002  
 
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Approved, Date: 3 September 2021  
TABLE OF CONTENTS 
TABLE OF CONTENTS .......................................................................................................................... 2 
AMENDMENT HISTORY......................................................................................................................... 4 
ABBREVIATIONS ................................................................................................................................... 5 
1. 
INTRODUCTION ............................................................................................................................ 6 
1.1. 
Trial Objectives ........................................................................................................................... 6 
1.2. 
Trial Design................................................................................................................................. 6 
1.3. 
Statistical Hypotheses for Trial Objectives ................................................................................... 7 
1.4. 
Sample Size Justification ............................................................................................................ 7 
1.5. 
Randomization and Blinding ........................................................................................................ 7 
2. 
GENERAL ANALYSIS DEFINITIONS ............................................................................................ 7 
2.1. 
Visit Windows ............................................................................................................................. 7 
2.2. 
Analysis Sets .............................................................................................................................. 7 
2.2.1. 
Enrolled Population .................................................................................................................. 7 
2.2.2. 
Safety / All Treated Analysis Set .............................................................................................. 7 
2.2.3. 
Response Evaluable Analysis Set ............................................................................................ 8 
2.2.4. 
Pharmacokinetics Evaluable Analysis Set ................................................................................ 8 
2.3. 
Study Day and Relative Day ........................................................................................................ 8 
2.4. 
Baseline ...................................................................................................................................... 8 
2.5. 
Treatment Duration ..................................................................................................................... 8 
2.6. 
Time on Study ............................................................................................................................. 8 
2.7. 
Dose Intensity ............................................................................................................................. 8 
2.8. 
Relative Dose Intensity................................................................................................................ 8 
2.9. 
Imputation Rules for Missing Date ............................................................................................... 9 
3. 
INTERIM ANALYSIS AND DATA MONITORING COMMITTEE REVIEW ..................................... 10 
4. 
SUBJECT INFORMATION ........................................................................................................... 10 
4.1. 
Demographics and baseline characteristics ............................................................................... 10 
4.2. 
Disposition Information .............................................................................................................. 11 
4.3. 
Medical History ......................................................................................................................... 11 
4.4. 
Concomitant Medications .......................................................................................................... 11 
4.5. 
Prior Medications ...................................................................................................................... 12 
4.6. 
Extent of Exposure .................................................................................................................... 12 
4.7. 
Prior WM Therapies .................................................................................................................. 13 
4.8. 
Protocol Deviations ................................................................................................................... 13 
5. 
EFFICACY ................................................................................................................................... 13 
5.1. 
Analysis Specifications .............................................................................................................. 13 
5.1.1. 
Level of Significance .............................................................................................................. 13 
5.1.2. 
Data Handling Rules .............................................................................................................. 13 
5.2. 
Primary Efficacy Endpoint(s) ..................................................................................................... 13 
5.2.1. 
Definition ............................................................................................................................... 14 
5.2.2. 
Analysis method .................................................................................................................... 14 
5.3. 
Secondary Endpoints ................................................................................................................ 14 
5.3.1. 
Definition ............................................................................................................................... 14 
5.3.2. 
Analysis Methods ................................................................................................................... 15 
5.4. 
Exploratory Endpoints ............................................................................................................... 15 
5.4.1. 
Definition ............................................................................................................................... 16 
5.4.2. 
Analysis Methods ................................................................................................................... 17 
5.5. 
Other exploratory analysis ......................................................................................................... 17 
6. 
SAFETY ....................................................................................................................................... 17 


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Approved, Date: 3 September 2021  
6.1. 
Adverse Events ......................................................................................................................... 17 
6.1.1. 
AEs of special interest (AESI) ................................................................................................ 19 
6.1.2. 
Other safety observations ...................................................................................................... 19 
6.2. 
Clinical Laboratory Tests ........................................................................................................... 21 
6.3. 
Vital Signs and Physical Examination Findings .......................................................................... 21 
6.4. 
ECOG status ............................................................................................................................. 21 
6.5. 
Electrocardiogram ..................................................................................................................... 21 
7. 
PHARMACOKINETICS/PHARMACODYNAMICS ........................................................................ 22 
7.1. 
Pharmacokinetics ...................................................................................................................... 22 
LISTINGS.............................................................................................................................................. 24 
CHANGE OF ANALYSIS PLAN FROM PLANNED IN PROTOCOL ...................................................... 26 
 


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AMENDMENT HISTORY 
SAP Version 
Issue Date 
Changes 
Ver.1.0 
09 December 2019 
Not Applicable 
Ver.2.0 
03 September 2021 
In the Section 2.9, imputation Rules for missing date of initial diagnosis, 
date of death and prior, concomitant and subsequent therapies are added. 
Section title changed by addition. 
 
The Section 4.5 of Prior Medication is added.  
 
The Section 4.7 of Prior WM therapies is added. 
 
In the Section 5.2.2, for ease of understanding, one-sided p-value of test 
for ORR is added. Waterfall plot for best reduction of serum IgM, swim 
lane plot is added, moreover summary of IgM values and change from 
baseline values by scheduled time points is added.  
 
In the Section 5.3.1, the censoring rule of PFS is clarified in the table for 
ease of understanding.  
 
In Section 5.3.2 of MYD88 and CXCR-4 description, following wording 
is added. 
The following analysis for MYD88 and CXCR-4 may be shown in the 
separate report. 
 
In Section, 5.4.1, TTR description, the wording is organized for 
clarification, and “time to best response” is removed for correction 
reason.  
 
In Section, 5.4.1, for DOR description and Sustained Hemoglobin 
Improvement description, the wording is organized for clarification.  
 
In Section 5.5, for ORR analysis by MYD88 and CXCR-4 categories, 
modified the description to declare the result may be reported in a 
separate report. 
 
In Section 6.1, the description is organized to clarify. 
 
In the Section 6.1.2, Rash, Cardiac failure have been added.  
 
The Section 6.4 of ECOG summary table is deleted.  
 
 
 


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ABBREVIATIONS 
 
AE 
adverse event 
CI 
confidence interval 
CR 
complete response 
CRF 
case report form 
CTCAE 
Common Terminology Criteria for Adverse Events 
DPS 
Data presentation specification 
ECG 
Electrocardiogram 
ECOG 
European cooperative oncology group 
EOT 
End of treatment 
ICF 
informed consent form 
IRC 
independent review committee 
IV 
intravenous 
IWWM 
International workshop on Waldenström’s Macroglobulinemia 
MedDRA 
Medical Dictionary for Regulatory Activities 
MR 
Minimal response 
NCCN 
National Comprehensive Cancer Network 
NCI CTCAE 
National cancer institute common terminology criteria for Adverse Events 
ORR 
Overall response rate 
PD 
pharmacodynamic 
PFS 
Progression free survival 
PK 
pharmacokinetic(s) 
PR 
partial response 
PT 
preferred term 
SAE 
serious adverse event 
SAP 
Statistical Analysis Plan 
SD 
standard deviation 
SOC 
system organ class 
SMQs 
standardized MedDRA queries 
TEAE 
treatment-emergent adverse event 
VGPR  
Very good partial response 
WHO 
World Health Organization 
WHO-DD 
World Health Organization Drug Dictionary 
WM 
Waldenstrom’s Macroglobulinemia 
 
 
 


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1. 
INTRODUCTION 
This Statistical Analysis Plan (SAP) contains definitions of analysis sets, derived variables and 
statistical methods for analyses of efficacy, safety, pharmacokinetic (PK) and pharmacodynamics 
(PD) data of study 54179060WAL2002. 
1.1. 
Trial Objectives 
Objectives 
Endpoints 
Primary 
To evaluate ORR by IRC assessment, when combined 
with rituximab in Japanese participants with treatment 
naïve or relapsed/refractory WM. 
The ORR is defined as the proportion of participants 
with CR, VGPR, or PR (ie, ≥PR) by IRC assessment. 
Response will be defined by the modified sixth IWWM 
(NCCN version 2, 2019) 
Secondary 
To assess PFS by IRC assessment. 
PFS is defined as duration from the date of initial dose 
of ibrutinib to the date of disease progression or death, 
whichever occurs first. 
To determine the PK of ibrutinib in combination with 
rituximab in Japanese participants with treatment naïve 
or relapsed/refractory WM. 
PK parameters of ibrutinib and metabolite PCI-45227 
(if possible and judged relevant). 
To explore biomarkers identified from other studies of 
ibrutinib in samples collected for MYD88 and CXCR-
4 assessments. 
Prognostic biomarkers relative to disease and/or 
treatment outcomes including MYD88 and CXCR-4. 
To evaluate safety of ibrutinib, when combined with 
rituximab in Japanese participants with treatment naïve 
or relapsed/refractory WM. 
Safety parameters of ibrutinib, including AEs and 
clinical laboratory assessments. 
1.2. 
Trial Design 
This is an open-label, single arm, multicenter Phase 2 study to evaluate the efficacy and safety of 
ibrutinib 420 mg in combination with rituximab in Japanese participants (≥20 years of age) with 
treatment naïve or relapsed/refractory WM. 
The primary efficacy endpoint is ORR by IRC assessment in Japanese participants with treatment 
naïve or relapsed/refractory WM when ibrutinib is combined with rituximab. Overall response rate 
is defined as the proportion of participants who achieve CR, VGPR, or PR according to modified 
sixth IWWM (NCCN version 2, 2019). 
The treatment phase will extend from first dose of ibrutinib until the EOT visit (which should 
occur after 30 days of last dose of ibrutinib or prior to the start of a new anticancer treatment). All 
participants will receive IV administration of rituximab weekly for 4 consecutive weeks, followed 
by a second course of IV rituximab administered weekly for 4 consecutive weeks after a 12-week 
interval. All participants will receive oral ibrutinib daily and continuously until criteria for 
permanent discontinuation of ibrutinib are met. Response assessments will be performed using the 
modified consensus criteria adapted from the sixth IWWM. Participants with confirmed PD must 
discontinue the study intervention. 
A clinical cutoff of the primary endpoint, ORR (≥PR), will be conducted at the time when all the 
participants complete assessment of Week 57 or EOT visit. The response evaluable population is 
defined as all enrolled participants who have measurable disease at baseline, received at least 1 


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dose of ibrutinib, and have at least 1 adequate postbaseline disease assessment for responses 
(consecutive assessments are required for the CR, VGPR, PR, and MR except radiology 
assessment and bone marrow). Adequate disease assessment is defined as having sufficient 
evidence to correctly indicate that progression has or has not occurred. Participants who died due 
to progression are also considered to have had adequate assessment. At the same time, secondary 
endpoints will be evaluated. 
1.3. 
Statistical Hypotheses for Trial Objectives 
The primary hypothesis of this study is that ibrutinib in combination with rituximab is an effective 
agent in Japanese participants with treatment naïve or relapsed/refractory WM as measured by an 
ORR (the lower bound of exact 95% CI based on binomial distribution >32%). 
1.4. 
Sample Size Justification 
The target sample size is 14. Assuming an expected ORR of 72%, 14 participants are needed to 
demonstrate that the lower limit of exact 2-sided 95% CI of estimated ORR exceeds 32% with 
80% power. The sample size was decided based on the study PCYC-1127-CA results, where the 
response rate was 72% for the ibrutinib plus rituximab arm, and 32% for the placebo plus rituximab 
arm. 
1.5. 
Randomization and Blinding 
Not Applicable. 
2. 
GENERAL ANALYSIS DEFINITIONS 
For continuous variables, number of observations, means, standard deviations, medians, and 
ranges will be included. For categorical variables, frequency and percentage will be summarized. 
For time-to-event variables, Kaplan-Meier estimates will be provided. 
All tests will be conducted at a 2-sided alpha level of 0.05, and 95% CIs will be provided, unless 
stated otherwise. 
2.1. 
Visit Windows 
For visit-wise analysis, CRF-record visits will be followed. The visit windows are described in 
“Schedule of Activities” of the protocol.  
For over the study period summary (eg, markedly abnormal values), unscheduled visit results will 
be included. 
2.2. 
Analysis Sets 
2.2.1. 
Enrolled Population 
All participants who sign the ICF. 
2.2.2. 
Safety / All Treated Analysis Set 
All enrolled participants who receive at least 1 dose of ibrutinib. 


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2.2.3. 
Response Evaluable Analysis Set 
All enrolled participants who have measurable disease at baseline, receive at least 1 dose of 
ibrutinib and who have at least 1 adequate postbaseline efficacy assessment. 
2.2.4. 
Pharmacokinetics Evaluable Analysis Set 
All enrolled participants who have received at least 1 dose of ibrutinib and have at least 1 post-
dose PK sample obtained. 
2.3. 
Study Day and Relative Day 
Study Day 1 or Day 1 refers to the start of the first study drug administration. All safety 
assessments at all visits will be assigned a day relative to this date. 
Study day or relative day for a visit is defined as: 
 
Visit date - (Date of Day 1) +1, if visit date is ≥date of Day 1 
 
Visit date - Date of Day 1, if visit date <date of Day 1 
There is no 'Day 0'. 
2.4. 
Baseline 
Baseline is defined as the last observation on or prior to the first study drug administration. 
2.5. 
Treatment Duration 
Treatment duration will be calculated from the date of the first dose of study drug to the date of 
the last dose of study drug, as follows:  
Treatment Duration = date of last dose of study drug – date of first dose of study drug + 1 day. 
2.6. 
Time on Study 
Time on Study will be calculated from the first study drug administration date to the study exit 
date or the last known alive date if the subjects are still in the study, as follows:  
Time on Study = study exit date/last known alive date – first study drug administration date + 
1 day. 
2.7. 
Dose Intensity 
The dose intensity of study drug is calculated as (sum of total daily dose during the treatment 
phase)/study drug duration. 
2.8. 
Relative Dose Intensity 
Relative dose intensity (%) is defined as the percentage of total cumulative dose administered 
versus the total expected dose. Total cumulative dose administered is the sum of daily dose taken 
over the whole study course; and total expected dose is the product of the duration of the treatment 


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(day) and the protocol assigned daily dose. Relative dose intensity is calculated by total cumulative 
dose administered / total expected dose ×100%. 
2.9. 
Imputation Rules for Missing Date 
In general, imputation of missing dates will be made for AE onset date, AE end date, date of death, 
date of initial diagnosis, start and end dates of prior, concomitant and subsequent therapies. Start 
date will be imputed before end date.   
 
If the date is completely missing, no imputation will be made.  
 
If the year is missing, no imputation will be made. 
 
If only the year is present but the month and day are missing, then June 30th will be used. 
 
If only the day is missing but the year and month are available, then the 15th day of the month 
will be used.  
The above imputations will be modified by the following rules: 
 
For initial diagnosis if such imputed date is on or after the date of first dose of ibrutinib, then 
the date of first dose of ibrutinib - 1 day will be used.  
In addition, for date of prior and subsequent therapies, the imputed date will be adjusted 
sequentially using the following steps: 
 
If such imputed date for prior therapies is on or after the first dose date, then first dose date - 
1 day will be used. 
 
If such imputed date for subsequent therapies is before date of last dose, then date of last dose 
+1 day will be used. 
 
If prior or subsequent therapy start date is not missing and is after the imputed end date, then 
the start date will be used as the end date. 
 
If prior or subsequent therapy end date is not missing and is before the imputed start date, then 
the end date will be used as the start date.  
 
If the imputed date is for a date of death and is before the last date that the subject is known 
to be alive, the latter date will be used. 
In addition, for AE date, the above imputations will be modified by the following rules: 
 
The imputed start date of adverse event will be adjusted sequentially using the following steps: 
 
If the imputed date is in the same year and month but before the first dose date, then the 
first dose date will be used.  
 
If end date of adverse event is not missing and the imputed start date of adverse event is 
after the end date of adverse event, then the end date of adverse event will be used. 
 
If the imputed start date of adverse event is after date of death, then the date of death will 
be used. 


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 
If the imputed start date of adverse event is in the same year and month but after the start 
date of 1st subsequent therapy, then the start date of 1st subsequent therapy will be used. 
 
The imputed end date of adverse event will be adjusted sequentially using the following steps: 
 
If the imputed end date of adverse event is after the death date, then the death date will 
be used. 
 
If the imputed end date of adverse event is before the start date of adverse event, then the 
start date of adverse event will be used. 
In addition, for start and end dates of concomitant therapy, the adverse event imputation rule will 
be used for concomitant therapy. 
3. 
INTERIM ANALYSIS AND DATA MONITORING COMMITTEE REVIEW 
No interim analysis will be conducted in this study. 
4. 
SUBJECT INFORMATION 
4.1. 
Demographics and baseline characteristics  
The items of demographic and baseline characteristics presented in below table will be 
summarized using the all treated analysis set.  
Continuous Variables: 
Summary Type 
Age (years) 
Descriptive statistics (N, mean, 
standard deviation [SD], median 
and range [minimum and 
maximum].) 
Weight (kg) 
Height (cm) 
Body surface area (m2) 
Serum IgM (g/L) 
Beta-2 microglobulin (mg/L)  
Monoclonal protein spike (g/L) 
Hemoglobin (g/L) 
Platelets count (10^9 / L) 
Absolute neutrophil count (10^9 / L) 
Months from initial diagnosis to first dose of Ibrutinib 
Categorical Variables 
Summary Type 
Sex (male, female, unknown, undifferentiated) 
Frequency distribution with the 
number and percentage of subjects 
in each category. 
Age (<=65, >65; <=75, >75)  
Serum IgM (g/L) (<=70, >70) 
Beta-2 microglobulin (mg/L) (<=3, >3) 
Hemoglobin (g/L) (<=110, >110) 
ECOG status of baseline (0,1,2) 
Number of prior WM related therapies on CRF 
IPSS risk category 
Lymphadenopathy (Yes, No) 
Splenomegaly (Yes, No) 
Body surface is calculated as (weight in kg ^0.425 x height in cm ^0.725 x 71.84)/10000. 
Here, baseline of IgM is the latest value which is observed before initiation of Ibrutinib but the observation which observed 
within after 35 days from WM plasmapheresis usage is excluded. 
 
Listings of Demographics data will be provided. 


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4.2. 
Disposition Information 
The number of subjects in the following disposition categories will be summarized throughout the 
study using Enrolled Population: 
 
Subjects Enrolled (participants who signed to IC) 
 
Subjects Screened 
 
Subjects Not treated 
 
Analysis Sets (number of participants in each analysis set) 
 
The number of subjects in the following disposition categories will be summarized throughout the 
study using all treated analysis set: 
 
Subjects completed the study 
 
Subjects ongoing study participation (including follow up period) 
 
Subjects who terminated study prematurely 
 
Reasons for termination of study 
 
Ibrutinib disposition 
 
Ongoing / Discontinued 
 
Primary reason for discontinuation of study treatment 
 
Rituximab disposition 
 
Completed / Ongoing / Discontinued 
 
Primary reason for discontinuation of study treatment 
Listings of subjects will be provided for the following categories: 
 
Subjects who terminated study prematurely  
 
Listing of Subjects who discontinued Study drug  
 
Subjects who are excluded from the analysis set 
4.3. 
Medical History 
Medical history will be coded using the Medical Dictionary for Regulatory Activities (MedDRA) 
and summarized by SOC and PT using all treated analysis set. In addition, medical history will be 
listed.  
4.4. 
Concomitant Medications 
Concomitant medications will be coded using the World Health Organization Drug Dictionary 
(WHO-DD). 


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Summaries of concomitant medications will be presented by therapeutic class and preferred term 
using all treated analysis set. The proportion of subjects who receive each concomitant medication 
will be summarized as well as the proportion of subjects who receive at least 1 concomitant 
medication. The same analysis for Concomitant CYP3A inhibitors, for Concomitant CYP3A 
inducers will be performed respectively.  
Listing of prior and subsequent WM related-therapies and listing of concomitant medications will 
be created. 
4.5. 
Prior Medications 
Prior medications will be coded using the World Health Organization Drug Dictionary (WHO-
DD). 
Summaries of concomitant medications will be presented by therapeutic class and preferred term 
using all treated analysis set. The proportion of subjects who receive each concomitant medication 
will be summarized as well as the proportion of subjects who receive at least 1 concomitant 
medication. 
Listing of Prior Medications will be provided. 
4.6. 
Extent of Exposure 
Descriptive statistics (N, mean, SD, median, and range (minimum, maximum)) will be presented 
for the following parameters using all treated analysis set: 
 
Treatment duration (months) 
 
(date of last dose of study drug – date of first dose of study drug + 1 day) / 30.4375. 
 
Cumulative total dose of ibrutinib (mg) 
 
Cumulative total dose of rituximab (mg/m2) 
 
Dose intensity of ibrutinib (mg/day) 
 
Dose intensity is calculated as (sum of total daily dose during the treatment phase)/study 
drug duration. 
 
Dose intensity of rituximab (mg/m2/week) 
 
Dose intensity is calculated as (sum of total dose during the treatment phase)/number of 
weeks in which rituximab is administrated 
 
Relative dose intensity of ibrutinib (%) 
 
Relative dose intensity of rituximab (%) 
 
Relative dose intensity is calculated by total cumulative dose administered / total expected 
dose ×100%.  
 
Number of infusion received of Rituximab.  
 
Time on Study (month) 


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 
(study exit date/last known alive date – date of first dose of study drug + 1 day)/30.4375. 
 
For each study drug, incidence and frequency of dose interruption and reasons of dose interruption 
will be summarized. In addition, the incidence of dose interruption (any dose skip with 7 days or 
more), the incidence of any dose reduction (at least one reported dose reduction) and the reason of 
dose reduction will be summarized for ibrutinib. 
Listing of subject treatment duration, cumulative dose and dose intensity and relative dose 
intensity is provided. 
Listing of study drug administration is provided. 
4.7. 
Prior WM Therapies 
Summary of prior WM Therapies will be presented using all treated analysis set. In the analysis 
descriptive statistics of time from last treatment (Interval between the last date of last prior 
treatment and first dose of Ibrutinib) and number of prior WM therapies are calculated. 
4.8. 
Protocol Deviations 
In general, protocol deviations will be reviewed by the study team during the study, and important 
protocol deviations will be determined based on the review. The information of important protocol 
deviations will be generated based on the review outcome for all subjects.  
Important protocol deviations will be summarized using all treated analysis set. 
A corresponding listing is also provided. COVID-19 related protocol deviations will be provided 
in a separate listing. 
5. 
EFFICACY 
5.1. 
Analysis Specifications 
5.1.1. 
Level of Significance 
All tests will be conducted at a 2-sided alpha level of 0.05, and 95% CIs will be provided, unless 
stated otherwise. 
5.1.2. 
Data Handling Rules 
There is no imputation planned for missing efficacy endpoint value. 
5.2. 
Primary Efficacy Endpoint(s) 
Overall response rate is defined as the proportion of participants who achieve ≥PR according to 
the modified sixth IWWM (NCCN version 2, 2019). 


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5.2.1. 
Definition 
ORR: 
Proportion of participants achieving a best overall response of confirmed CR, VGPR, or PR by 
IRC assessment at or prior to initiation of subsequent antineoplastic therapy. 
5.2.2. 
Analysis method 
The response evaluable analysis set will be used for analysis of primary endpoint. And, all treated 
analysis set will be used for supplementary analysis. 
The number of subjects who experienced response, the ORR and its 95% confidence interval (CI) 
will be calculated with the exact test for binomial distribution. The study is considered as positive 
if the lower limit of the exact 2-sided 95% CI based on binominal distribution exceeds the threshold 
value (0.32). In addition, best overall response will also be summarized. And one-sided p-value 
will be displayed.  
In addition, waterfall plot for best reduction in %change from baseline of serum IgM using 
response evaluable analysis set and swim lane plot by IRC Assessment using response evaluable 
analysis set will be provided, and IgM values and change from baseline values will be summarized 
as descriptive statistics by scheduled time points. Here, baseline of IgM is the latest value which 
is observed before initiation of Ibrutinib but the observation which observed within after 35 days 
from WM plasmapheresis usage is excluded. And, the IgM values which are observed within after 
35 days are excluded from the calculation of %change from baseline and change from baseline. 
5.3. 
Secondary Endpoints 
The secondary efficacy endpoints are: 
 
Progression-free survival (PFS)  
 
Pharmacokinetics (PK) profile of ibrutinib and metabolite PCI-45227 (detailed analysis plan 
is described in Section 7) 
 
Prognostic biomarkers relative to disease and/or treatment outcomes including MYD88 and 
CXCR-4 
5.3.1. 
Definition 
PFS: 
Time from the date of initial dose to the date of first documented evidence of PD, death, or date of 
censoring whichever occurs first, regardless of the use of subsequent antineoplastic therapy prior 
to documented PD or death [date of first PD or death or censoring−date of initial dose+1 day]. 
Participants whose diseases have not progressed and who are still alive at the end of the study or 
clinical cutoff will be censored at the last adequate disease assessment. Participants who do not 
have any postbaseline disease evaluation will be censored at the date of the first dose of Ibrutinib.  
The censoring method is descried as below. 


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PFS Event and Censoring Method 
Situation 
Date of Progression or Censoring 
Outcome 
Disease progression 
Earliest date that indicates disease progression 
PFS event 
Death 
Date of death 
PFS event 
No postbaseline disease assessment 
First dosing date 
Censored 
Other (eg, withdrawal of consent to 
study participation, lost to follow-up 
etc.) 
Date of last disease assessment prior to 
withdrawal of consent to study participation, lost 
to follow-up  
Censored 
5.3.2. 
Analysis Methods 
The all treated analysis set will be used for all secondary efficacy endpoints. 
PFS: 
The Kaplan-Meier method will be used to descriptively summarize the PFS in the all treated 
analysis set. Median PFS and the corresponding 95% CI will be provided if estimable with Kaplan-
Meier plot. In addition, Kaplan-Meier estimates for PFS at 6, 12, 18 month and its CIs are provided.  
MYD88 and CXCR-4: 
The following analysis for MYD88 and CXCR-4 may be shown in the separate report.  
Frequency distribution with the number and percentage of subjects in each category of MYD88, 
CXCR-4, combination status of MYD88 and CXCR-4 will be provided.  
 
MYD88  
 
CXCR-4  
 
MYD88 /CXCR-4  
 
Combination of status of MYD88 and CXCR-4 
5.4. 
Exploratory Endpoints 
 
Time to response (TTR) 
 
Duration of response (DOR) for responders (≥PR) 
 
Clinical response rate (CRR) 
 
Sustained Hgb improvement 
 
Time to next treatment (TTNT) 
 
Overall survival (OS) 


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5.4.1. 
Definition 
TTR: 
Time to initial response is the time from the date of initial administration of ibrutinib to the date 
of initial documentation of an IRC assessed response (≥PR) in a participant who responded. Time 
to response is the time from the initial administration of ibrutinib to the date of achieving initial 
response [date of first response−date of initial administration of ibrutinib +1 day]. TTR is 
calculated based on the IRC assessment at or prior to initiation of subsequent antineoplastic 
therapy and TTR is defined for responders only. 
DOR: 
Duration from the date of initial documentation of an IRC assessed response (≥PR), to the date of 
first documented evidence of PD, death, or date of censoring if applicable whichever occurs first. 
DOR is defined for responders only [date of first PD or death or censoring−date of first response+1 
day]. The same censoring rules for PFS are used for DOR.  
CRR: 
Proportion of participants achieving a best overall response (≥MR) at or prior to initiation of 
subsequent antineoplastic therapy. 
Sustained Hemoglobin Improvement: 
Hemoglobin improvement is defined as achieving an increase of ≥2 g/dL over baseline at or prior 
to initiation of subsequent antineoplastic therapy regardless of baseline value.  And it is also 
defined as achieving an increase to >11 g/dL with an increase of ≥0.5 g/dL over baseline at or prior 
to initiation of subsequent antineoplastic therapy for participants with baseline is ≤11 g/dL.  
The Sustained Hgb improvement is defined as that sustaining hemoglobin improvement 
continuously for ≥56 days (8 weeks) without blood transfusion in the duration of sustaining 
hemoglobin improvement (Blood cell/whole blood transfusions, Platelet transfusions).  
TTNT 
Time-to-next treatment is measured from the date of the date of initial dose of ibrutinib to the start 
date of any subsequent systematic therapy for WM. Subject without subsequent systematic therapy 
will be censored at the date of last contact.  
OS 
Overall survival (OS) is measured from the date of initial dose of ibrutinib to the date of death due 
to any cause. Subjects who are lost to follow-up will be censored at the time of lost to follow-up. 
Subjects who are still alive at the clinical cut-off date for the analysis will be censored at the last 
known alive date. The date of last known alive will be determined by the maximum 
collection/assessment date from among selected data domains within the clinical database.  
In addition, unless specify, disease evaluation is based on the independent review committee (IRC).  


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5.4.2. 
Analysis Methods 
The all treated analysis set will be used for all exploratory endpoints. 
TTR: 
Time to response (time to initial response) will be summarized by descriptive statistics. Analysis 
is performed using only subjects who achiever PR or better in the all treated analysis set. 
DOR: 
The DOR will be calculated by the Kaplan-Meier method descriptively in participants who 
responded. Median DOR and the corresponding 95% CI will be provided if estimable with Kaplan-
Meier plot.  
CRR: 
The CRR will be analyzed in the same manner as ORR. 
Sustained Hemoglobin Improvement: 
Proportion and its exact 95% CI will be calculated for all participants who achieved sustained 
improvement and for these participants with ≤11 g/dL baseline value. 
TTNT: 
TTNT will be analyzed using similar statistical methods as PFS analysis. 
OS: 
OS will be analyzed using similar statistical methods as PFS analysis. 
5.5. 
Other exploratory analysis  
ORR is summarized by with and without prior systematic therapy of WM using all treated analysis 
set.  
The same analysis may be performed by MYD88 categories and by CXCR-4 categories, and the 
result may be reported in a separate report. 
6. 
SAFETY 
The safety analysis will be performed on the safety analysis set. 
6.1. 
Adverse Events 
The verbatim terms used in the CRF by investigators to identify adverse events will be coded using 
the Medical Dictionary for Regulatory Activities (MedDRA). Adverse events will be graded by 
the investigator according the National Cancer Institute common terminology criteria for adverse 
events (CTCAE) Version 4.03. Any AE occurring at or after the initial administration of study 
intervention through the day of last dose plus 30 days is considered to be treatment-emergent.  


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If the event date is recorded as partial or completely missing, then the event will be considered as 
treatment-emergent unless it is known to be prior to the first administration of study agent based 
on partial onset date or resolution date. If the event is study drug-related regardless of the start date 
of the event, it is considered as treatment-emergent. If an event that is present at baseline but 
worsens in severity or is subsequently considered drug-related by the investigator, then it is 
considered as treatment-emergent. All reported treatment-emergent adverse events will be 
included in the analysis.  For each adverse event, the number and percentage of subjects who 
experience at least 1 occurrence of the given event will be summarized. 
All reported treatment-emergent adverse events (TEAEs) will be included in the analysis and 
summarized by system organ class (SOC) and preferred term (PT). For each adverse event, the 
number of events, and the number and percentage of subjects who experience at least 1 occurrence 
of the event will be summarized. 
Summary tables will be provided for: 
 
Overall Summary of TEAE 
 
TEAEs by System Organ Class (SOC), preferred term (PT) and toxicity (All, Grade 3 or 
Higher) 
 
Serious TEAEs by SOC, PT and toxicity (All, Grade 3 or Higher) 
 
TEAEs with frequency of at least 10% by System Organ Class (SOC), preferred term (PT) 
and toxicity (All, Grade 3 or Higher) 
 
TEAEs leading to discontinuation of Ibrutinib by SOC, PT and toxicity (All, Grade 3 or 
Higher) 
 
TEAEs leading to discontinuation of Rituximab by SOC, PT and toxicity (All, Grade 3 or 
Higher) 
 
TEAEs leading to dose reduction of Ibrutinib by SOC, PT and toxicity (All, Grade 3 or 
Higher) 
 
TEAEs leading to interruption of Ibrutinib by SOC, PT and toxicity (All, Grade 3 or Higher) 
 
TEAEs leading to interruption of Rituximab by SOC, PT and toxicity (All, Grade 3 or Higher) 
 
TEAEs by System Organ Class (SOC), preferred term (PT) and relation to drugs (All, related 
to Ibrutinib, related to Rituximab, related to at least one drug) and toxicity (All, Grade 3 or 
Higher)  
 
TEAEs leading to death by SOC, PT  
 
TEAEs by SOC, PT and period (total, < 16 Weeks,  16<= - <32 Weeks,  =>32 Weeks) 
In addition, listings will be provided as appropriate. 


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6.1.1. 
AEs of special interest (AESI) 
Number and percent of subjects with following AESIs will be summarized by SOC, PT and 
toxicity (All, Grade 3 or Higher). The detailed definition of AESIs will be described in Data 
Presentation Specification (DPS) created separately as necessary. 
Major hemorrhages 
Major hemorrhage is defined as any of the following: 
1. Any treatment-emergent hemorrhagic AEs of ≥Grade 3 (Note: All hemorrhagic events 
requiring transfusion of red blood cells should be reported as ≥Grade 3 AE per NCI-CTCAE. 
Those events meeting the definition) 
2. Any treatment-emergent SAEs of bleeding of any grade 
3. Any treatment-emergent central nervous system hemorrhage/hematoma of any grade.  
Here, central nervous system hemorrhage/hematoma is selected using the rule below. 
Step 1. 
Define three subsets of events 
Subset A:  PTs in the “Central nervous system haemorrhages and cerebrovascular conditions 
 (SMQ)”   
Subset B:  PTs in the “Nervous system disorders” (SOC)  
Subset C: PTs in the “Haemorrhage terms (excl laboratory terms) (SMQ)” narrow scope. 
Step 2.  
Identifying any PTs that are in (Subset A or Subset B) and Subset C as central nervous system 
hemorrhage/hematoma events. 
Other Malignancies 
Treatment-emergent Neoplasms benign, malignant and unspecified (incl cysts and polyps) of any 
grade (SOC).  
6.1.2. 
Other safety observations 
Number and percent of subjects with following AEs will be summarized by preferred terms.  
Hemorrhagic event 
Hemorrhagic events will be identified by hemorrhage Standardized MedDRA Query [SMQ] 
excluding laboratory terms. 
Leukostasis 
Obtained for preferred term of “leukostasis syndrome”. 


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Hypersensitivity 
This definition will be specified in DPS, separatory. 
Eye Disorders  
Obtained from the SOC of “Eye Disorders”.  
Hepatic Disorders 
Obtained from the SOC of “Hepatobiliary Disorders”.   
Tumor Flare (IgM flare)  
The Medical Dictionary for Regulatory Activities (MedDRA) does not support the reporting of 
“IgM flare” and therefore these events should be reported as an adverse event of 'tumor flare'. 
Therefore, in this analysis, the events which reported by the term “tumor flare” will be summarized.  
Infusion-related Reactions 
The adverse event which reported as an infusion reaction associated with Rituximab.  
Cytopenic Adverse Events 
Obtained from preferred terms of “neutropenia”, “febrile neutropenia”, “thrombocytopenia”, and 
“anaemia”.  
Cardiac arrhythmia 
Cardiac arrhythmias (SMQ, broad and narrow) after excluding atrial fibrillation (PT) terms. In 
addition, Ventricular tachyarrhythmias (SMQ, narrow) will be summarized separately.  
Cardiac failure 
Cardiac failure: Cardiac failure SMQ (narrow). 
Interstitial Lung Disease 
Interstitial Lung Disease (ILD) will be determined based on Interstitial lung disease (SMQ, 
narrow). 
Hypertension 
Hypertension will be determined based on Hypertension (SMQ, narrow). 
Infections 
Obtained from the SOC of “Infection and Infestations” 
Tumor Lysis syndrome 
Obtained from preferred term of “tumour lysis syndrome” 


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Ischemic stroke 
Ischemic central nervous system vascular conditions (SMQ) 
Rash 
All PTs containing the word "rash". 
6.2. 
Clinical Laboratory Tests 
All clinical laboratory tests will be summarized using safety analysis set. Applicable laboratory 
results will be graded according to NCI-CTCAE Version 4.03. 
For continuous variables, the observed values will be summarized as descriptive statistics by 
scheduled time points, in addition, change from baseline values will be summarized in the same 
manner.   
Frequency of the changes from baseline results will be presented in pre versus postintervention by 
scheduled time points as cross-tabulations (with classes for Low, Normal, and High).  
For laboratory items, the worst post baseline grades will be summarized.  
Change from baseline to the worst grade experienced by the subject during the study will be 
provided as shift tables. 
In addition, the summary table for liver function abnormalities based on liver function based on 
ALT, AST, ALP and TB values will be provided. 
A listing of participants with any laboratory results outside the reference ranges will be provided. 
A listing of subjects with laboratory results will be provided.  
6.3. 
Vital Signs and Physical Examination Findings 
Continuous vital sign items including weight, blood pressure, pulse rate, respiratory rate, and body 
temperature will be summarized by each time point. In addition, change from baseline values are 
summarized by each time point for each vital sign item. 
Moreover, a data listing by subjects will be presented. 
6.4. 
ECOG status 
A data listing for ECOG values by subjects will be provided.  
6.5. 
Electrocardiogram 
The result of 12 Lead standard ECG observed at screening phase is summarized using the safety 
analysis set. The items which are summarized are below. 
Overall interpretation (Normal, Abnormal (Clinically Significant, Not Clinically Significant), Not 
Evaluable) 


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In addition, the list of all ECG results (screening phase and unscheduled evaluation) are created. 
7. 
PHARMACOKINETICS/PHARMACODYNAMICS 
7.1. 
Pharmacokinetics 
Pharmacokinetic evaluable analysis set will be used for PK analyses. The individual plasma 
concentration data of ibrutinib and PCI-45227 will be listed and graphically displayed (normal 
scale and semilog scale). Concentrations below the lowest quantifiable concentration or missing 
data will be labeled as such in the concentration data presentation. The data will be summarized at 
each timepoint using descriptive statistics (mean, standard deviation [SD], coefficient of variation, 
median, minimum and maximum) and mean (±SD) concentration-time profile will be graphically 
displayed (normal scale and semilog scale). Concentration data below the lowest quantifiable 
concentration will be treated as zero in the summary statistics. Subgroup analysis by concomitant 
CYP3A inhibitors will be performed. Additional analyses may be performed as deemed necessary. 
For concentration summary, applying the following rules. 
 
When more than half (>50%) of concentration data are BQL at each scheduled time point, 
mean and median will be reported as ‘BQL’; SD and %CV are reported as ‘NC’; maximum 
and minimum will be reported as observed (including BQL). 
 
When number of concentration data are equal to or less than 2, SD, %CV, median, minimum 
and maximum will be shown as ‘NC’ regardless of the proportion of BQL. 
The individual PK parameters (Cmax, tmax, t1/2, tlast, CL/F, AUClast, AUC24, and λZ) of ibrutinib and 
PCI-45227 will be calculated using noncompartmental analysis based on actual sampling times. 
Metabolite-to-parent ratio (MPR) based on Cmax, AUClast, and AUC24 will be generated. Dose-
normalized Cmax, AUClast, and AUC24 will be calculated to a 420 mg ibrutinib dose. Individual 
values (Cmax, tmax, t1/2, tlast, AUClast, AUC24,, dose-normalized Cmax, AUClast, and AUC24, MPR 
based on Cmax, MPR based on AUClast, MPR based on AUC24) will be listed and summarized for 
ibrutinib and PCI-45227 using descriptive statistics (mean, SD, coefficient of variation [CV], 
geometric mean, median, minimum and maximum [SD, CV, geometric mean are not needed for 
tmax and tlast]). 
Subgroup analysis by ibrutinib dose and concomitant CYP3A inhibitors may be performed on the 
individual PK parameters of ibrutinib and PCI-45227 (Cmax, tmax, t1/2, tlast, CL/F, AUClast, AUC24, 
and λZ). Necessity of subgroup analysis will be determined based on the actual number of subjects 
who received concomitant CYP3A inhibitors and/or dose reduction. Summary tables will be 
provided to present the summary statistics derived for each subgroup. In addition, individual and 
mean values of selected PK parameters (eg, Cmax, AUClast) will be graphically presented to visually 
compare the values between each subgroup. The graphical presentation will be performed for dose-
normalized PK parameters (eg, dose-normalized Cmax, AUClast) regardless of ibrutinib dose. 
Additional analyses may be performed as deemed necessary. 
For PK parameter summary, applying the following rules. 


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 
In the case following criteria are not met, t1/2, CL/F, and λz will be reported with annotation as 
such and excluded from the descriptive statistics. 
 
At least 3 data points not including Cmax are used in calculation for λz; 
 
r2adj for the regression of λz ≥0.90; 
 
%AUC∞,ex is ≤20%.  
 
Data or subjects will be excluded from the analysis if the data do not allow for accurate assessment 
of the PK. All subjects and samples excluded from the analysis will be clearly documented in the 
study report. 


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LISTINGS 
All Listings which will be provided in this statistical analysis plan is below.  
 
Listing of Subjects Who Discontinued Study drug  
 
Listing of Subjects With Major Protocol Deviations  
 
Listing of Subjects With Protocol Deviations Related to COVID-19 
 
Listing of Subjects Who Terminated Study Participation Prematurely 
 
Listing of Subjects Who are excluded from the analysis set 
 
Listing of Medical history 
 
Listing of WM disease history 
 
Listing of Prior Medications and Concomitant Medications  
 
Listing of Prior WM systematic therapies 
 
Listing of Prior WM Plasmapheresis/Transfusion 
 
Listing of Prior WM Radiotherapy 
 
Listing of Subsequent Systematic Therapies 
 
Listing of subsequent Radiotherapy 
 
Listing of Demographics and Baseline Characteristics  
 
Listing of IPSS risk category and reason for Initiating WM treatment 
 
Listing of Study drug Administration  
 
Listing of treatment duration, cumulative dose, dose intensity 
 
Listing of Efficacy Variables 
 
Listing of Disease progression for WM by investigator 
 
Listing of ECOG Values 
 
Listing of New malignancies 
 
Listing of Bone marrow for aspirate/biopsy for WM  
 
Listing of Laboratory Values  
 
Listing of participants with any laboratory results outside the reference ranges 
 
Listing of local efficacy lab results of Beta 2 microglobulin 
 
Listing of Subjects with IgM result 
 
Listing of Subjects with liver function abnormality at any time point 
 
Listing of Vital Signs  
 
Listing of ECG Values 
 
Listing of death information 


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 
Listing of TEAEs  
 
Listing of Serious TEAEs  
 
Listing of TEAEs leading to dose reduction  
 
Listing of TEAEs leading to discontinuation of study drug  
 
Listing of TEAEs leading to death 
 
Listing of TEAEs leading to drug interruption 
 
Listing of lot number of study drug 
 
Individual Plasma concentrations of ibrutinib and PCI-45227 
 
Pharmacokinetic parameters of Ibrutinib and PCI-45227 


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CHANGE OF ANALYSIS PLAN FROM PLANNED IN PROTOCOL 
The tables in this section lists the analyses which were planned in the protocol but not conducted 
or modified in the SAP. 
Section in the protocol 
Description in SAP 
Reason 
Section 9.4.4. Clinical Laboratory Tests  
“Reference ranges and markedly abnormal 
results (specified in the SAP) will be used in the 
summary of laboratory data.”  
“A listing of participants with any markedly 
abnormal laboratory results will also be 
provided.” 
None 
Because the number of patients 
is small. The information of 
laboratory tests can be obtained 
easily from summary table and 
list of laboratory tests. 
Section 9.4.4. Vital Signs  
“The percentage of participants with values 
beyond clinically important limits will be 
summarized.” 
None 
Because the number of patients 
is small. The information of vital 
signs can be obtained easily 
from summary table and list of 
vital signs.  
Section 9.4.4. In general, continuous variables 
will be summarized using descriptive statistics 
(n, mean, median, standard deviation, standard 
error and range). 
descriptive statistics 
is (N, mean, standard 
deviation [SD], 
median and range 
[minimum and 
maximum].) 
For summarizing the safety 
outcome data and for grasping 
the data distribution, n, mean, 
median, standard deviation are 
sufficient. Standard error is 
omitted.