A Phase 3, Randomized, Double-Blind, Double-Dummy Study to Compare the Efficacy and Safety of Lefamulin (BC 3781) Versus Moxifloxacin (With or Without Adjunctive Linezolid) in Adults With Community-Acquired Bacterial Pneumonia
Phase: PHASE3
Conditions: Community Acquired Pneumonia
Sponsor: Nabriva Therapeutics AG

Nabriva Therapeutics AG 
Clinical Protocol NAB-BC-3781-3101 
V4.0:  15-Mar-2016 
Page 1 of 126 
Confidential Information 
 
 
 
 
 
 
 
 
Clinical Protocol No. NAB-BC-3781-3101 
 
A Phase 3, Randomized, Double-Blind, Double-Dummy Study to Compare 
the Efficacy and Safety of Lefamulin (BC-3781) Versus Moxifloxacin (With 
or Without Adjunctive Linezolid) in Adults With Community-Acquired 
Bacterial Pneumonia 
 
 
US IND 106594 (Intravenous) 
US IND 125546 (Oral) 
 
 
EudraCT Number 2014-005169-63 
 
 
 
 
 
Protocol Status 
Version 
Date 
Original 
1.0 
01 July 2015 
Amendment 1 
2.0 
06 October 2015 
Amendment 2 
3.0 
04 March 2016 
Amendment 3 
4.0 
15 March 2016 
 
 
 
 
 
 
The information contained herein is the property of Nabriva Therapeutics AG and may not be 
produced, published, or disclosed to others without written authorization of Nabriva 
Therapeutics AG. 

Nabriva Therapeutics AG 
Clinical Protocol NAB-BC-3781-3101 
V4.0:  15-Mar-2016 
Page 2 of 126 
Confidential Information 
SPONSOR-RELATED CONTACT DETAILS 
A Phase 3, Randomized, Double-Blind, Double-Dummy Study to Compare the Efficacy 
and Safety of Lefamulin (BC-3781) Versus Moxifloxacin (With or Without Adjunctive 
Linezolid) in Adults With Community-Acquired Bacterial Pneumonia 
(Protocol NAB-BC-3781-3101 with Amendments 1, 2 and 3) 
 
Sponsor: 
Nabriva Therapeutics AG 
Leberstraße 20 
1110 Vienna 
Austria 
Sponsor’s Study Managers: John Saviski 
Nabriva Therapeutics US, Inc. 
1000 Continental Drive, Suite 600 
King of Prussia, PA 19406 
USA 
Tel:  +1 610 816 6648 
Cell:   +1 610 247 5164 
Email:  john.saviski@nabriva.com 
 
Claudia Lell 
Nabriva Therapeutics AG 
Leberstraße 20 
1110 Vienna 
Austria 
Tel:  +43 1 74093 1242 
Cell:  +43 664 9631469 
Email:  claudia.lell@nabriva.com 
Sponsor’s Medical Officer: 
 
Leanne Gasink, MD 
Senior Director, Clinical Development and Medical Affairs 
Nabriva Therapeutics AG  
Nabriva Therapeutics US, Inc. 
1000 Continental Drive, Suite 600 
King of Prussia, PA  19406 
USA 
Tel:  +1 610 816 6658 
Cell:  +1 215 880 6689 
Email: leanne.gasink@nabriva.com 
PPD Medical Monitor: 
 
Laura McKain, MD 
PPD 
929 N. Front Street 
Wilmington, NC 28401 
USA 
Tel:  +1 800 201 8725 
Cell:  +1 910 508 5743 
Email: Laura.Mckain@ppdi.com 
 
 

Nabriva Therapeutics AG 
Clinical Protocol NAB-BC-3781-3101 
V4.0:  15-Mar-2016 
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INVESTIGATOR SIGNATURE PAGE 
A Phase 3, Randomized, Double-Blind, Double-Dummy Study to Compare the Efficacy 
and Safety of Lefamulin (BC-3781) Versus Moxifloxacin (With or Without Adjunctive 
Linezolid) in Adults With Community-Acquired Bacterial Pneumonia 
(Protocol NAB-BC-3781-3101 with Amendments 1, 2, and 3) 
In conducting this clinical study, I agree to be responsible for: 
• Ensuring that the clinical investigation is conducted according to the World Medical 
Association Declaration of Helsinki in its revised edition (Fortaleza, Brazil, October 
2013), the guidelines of International Conference on Harmonization (ICH) Good 
Clinical Practice (GCP) (CPMP/ICH/135/95), the signed Form Food and Drug 
Administration (FDA) 1572 Statement of Investigator (applies to all studies 
conducted under a United States Investigational New Drug Application) and other 
applicable local and national laws and requirements. 
• Protecting the rights, safety, and welfare of subjects under my care. 
• Maintaining control of the drugs under investigation. 
I also agree to conduct the study as detailed in the protocol and in accordance with Nabriva 
Therapeutics AG guidelines and all applicable government regulations.  These guidelines and 
regulations include, but are not limited to: 
• Permission to allow Nabriva Therapeutics AG and regulatory agencies to inspect 
study facilities and pertinent records at reasonable times and in a reasonable manner, 
which ensures subject confidentiality.  If I am notified that this study is to be 
inspected by a regulatory agency, I will notify Nabriva Therapeutics AG as soon as 
possible thereafter (no later than 1 week). 
• Submission of the proposed clinical investigation, including the protocol, the 
informed consent documents, and any other subject materials required for study 
conduct, to a duly constituted Independent Ethics Committee (IEC)/Institutional 
Review Board (IRB) for approval, and acquisition of written approval for each, prior 
to the use of the study drug. 
• Obtaining written informed consent only after ensuring that the subject, or his/her 
legal representative, is competent to make the decision, understands what is contained 
in the informed consent document, and is consenting voluntarily.  Written informed 
consent will be obtained prior to administration of study drug or any non-routine 
study-related procedures; the document contains all the essential elements of consent 
and has been previously approved by the sponsor and IEC/IRB.  Reference of written 
informed consent will be provided in source documentation. 
• Submission of any protocol amendment to the IEC/IRB.  If the protocol amendment 
change(s) increase risk to the study population, full IEC/IRB written approval must 
be obtained prior to implementation.  For changes that do not involve increased risk 
or affect the validity of the investigation or the subject's rights, prior IEC/IRB 
approval may be obtained by expedited review. 

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• Adherence to the study protocol.  Documentation and explanation of individual post-
enrollment protocol deviations will be recorded in the source documentation at the 
site and be provided to Nabriva Therapeutics AG. 
• Notification to Nabriva Therapeutics AG of all serious adverse events, regardless of 
relationship to study drug, as specified in the protocol.  Notification to the IEC/IRB of 
serious adverse events as specified in the protocol and per additional guidelines as 
provided by the IEC/IRB. 
• Notification to IEC/IRB of all unanticipated problems within the timeframe provided 
by the IEC/IRB.  For the purposes of this study, unanticipated problems are defined 
as any incident, experience, or subject outcome that meets all of the following 
criteria: (1) unexpected; (2) related or possibly related to participation in the study; 
(3) and suggests that the research places subjects or others at a greater risk of harm 
(including physical, psychological, economic, or social harm) than was previously 
known. 
• Provision of adequate study oversight by personally conducting or supervising the 
investigation, including, but not limited to: allotting sufficient time to properly 
conduct and complete the study within the agreed upon time period; having available 
an adequate number of qualified staff and adequate facilities for the expected duration 
of the study and to conduct the study properly and safely; and ensuring that all 
persons assisting with the study are adequately informed about the protocol and the 
investigational product(s) and are capable of performing their study-related duties and 
functions.  Qualifications of individuals assigned responsibility for the administration 
of the investigational product will be compliant with state and local law or national 
regulations, as applicable. 
• Submission of timely progress reports to the IEC/IRB and Nabriva Therapeutics AG 
at appropriate intervals not to exceed 1 year and submission of a final report to the 
IEC/IRB within the timeframe set by the IEC/IRB, but not later than 3 months after 
the completion or termination of the clinical investigation.  
• Maintenance of accurate source records from which case report forms are completed 
as well as drug accountability records that show the receipt and disposition (on an 
overall and per subject basis) of all study drug(s) shipped to the investigator by 
Nabriva Therapeutics AG. 
In addition, I agree to provide all the information requested in the eCRF presented to me by 
Nabriva Therapeutics AG by carefully following the completion guidelines provided as part 
of the eCRF. 
If I opt to terminate my participation in the study, the foregoing shall equally apply. 
 
 
 
 
Investigator’s Name (Please Print) 
 
 
 
 
 
 
Investigator’s Signature 
 
Date 

Nabriva Therapeutics AG 
Clinical Protocol NAB-BC-3781-3101 
V4.0:  15-Mar-2016 
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AMENDMENT 3:  15 MARCH 2016 
Amendment 3 addresses an inconsistency within the protocol.  In accordance with Appendix 
4 to the protocol, the use of strong P-glycoprotein inhibitors during study participation is 
prohibited.  Thus, progesterone-containing products (such as oral contraceptives) are 
prohibited.  In addition to revising the inclusion criterion associated with use of oral 
contraceptives, wording was added to the prohibited medications section for emphasis.  
These changes were made to the study synopsis, as applicable.  Added text is bolded; deleted 
text is struck through.   
Section 4.1 − Inclusion Criteria 
#8 If female, meets the following criteria: 
• 
Surgically sterile or ≥2 years postmenopausal, or if of childbearing potential (including 
being <2 years postmenopausal), has a negative pregnancy test, and if participating in 
sexual activity that may lead to pregnancy, agrees to use an effective dual method of 
contraception (e.g., condom plus diaphragm, condom plus spermicide, intrauterine device 
plus spermicide, oral contraceptive plus condom) during the study and for ≥28 days after 
the last dose of study drug.  If a male partner has been surgically sterile for ≥1 year, a 
single contraception method may be used.  NOTE:  The use of contraceptives containing 
progesterone is not permitted. 
Section 6.8 – Prohibited Medications 
Bullet #6 
• 
Strong p-glycoprotein inhibitors and strong CYP3A inhibitors or inducers (see Appendix 4) 
[NOTE:  The use of contraceptives containing progesterone is not permitted.] 
 
AMENDMENT 2:  04 MARCH 2016 
Amendment 2 addresses two key revisions to the protocol (Parts 1 and 2), as well as changes 
to better describe planned analyses (Part 3), clarifications, corrections, and consistency across 
the lefamulin clinical development program (Part 4), and a revision based on availability of 
new data (Part 5). 
Part 1. A change to the treatment duration for community-acquired bacterial pneumonia 
(CABP) not caused by methicillin-resistant Staphylococcus aureus (MRSA). 
Part 2. A decrease in the sample size.   
Part 3. Changes to more clearly describe planned analyses.  
Part 4. Clarification and corrections to existing language within the protocol and/or to 
ensure alignment with other studies in the lefamulin clinical development program. 
Part 5. Revision based on availability of new data. 
Rationales for all components of this amendment are provided.  These revisions were made 
to the protocol sections noted below as well as to the study synopsis and the Schedule of 
Assessments and Procedures (Table 3). Added text is bolded; deleted text is struck through.  
None of these changes are expected to affect subject safety or the interpretation of study 
results. 

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Part 1. Treatment durations for CABP not caused by MRSA 
Treatment durations for CABP (other than CABP caused by MRSA) have been streamlined 
to minimize the number of different treatment scenarios which would be encountered in the 
study.  This change was taken in order to simplify study delivery.  The complexity of the 
treatment regimens was exacerbated by the difference in treatment duration for the majority 
of subjects (i.e., 5 days of lefamulin versus 7 days of moxifloxacin), which created the need 
to use IV lefamulin placebo on Days 6 and 7 to maintain the blind.  A thorough search of the 
literature supports a treatment regimen of 5 to 7 days for most cases of CABP.  As a result, 
treatment of all CABP-associated pathogens, other than MRSA, will be 7 days for both 
lefamulin and moxifloxacin.  Thus, the protocol regimens now are more consistent with 
current recommendations, eliminate complications associated with maintaining the blind on 
Days 6 and 7, and minimize the number of different treatment regimens to which subjects 
would be assigned. 
All changes related to the treatment duration for CABP not caused by MRSA are 
provided below.   
Section 5.5.1 – Duration of Treatment 
It is estimated that the duration of blinded study drug administration for the majority (~90%) of subjects 
will be 7 days of active treatment as shown in Table 4 (Section 5.5.4).  Subjects with CABP due to 
MRSA randomized to lefamulin will receive 10 5 days of active treatment and 2 days of placebo; subjects 
randomized to moxifloxacin will receive 7 days of active treatment as shown in Table 5 (Section 5.5.4).  
Subjects with CABP due to L. pneumophila, S. pneumoniae with accompanying bacteremia, MRSA, or 
those subjects with confirmed S. aureus bacteremia will have their treatment adjusted as described below. 
Section 5.5.2 – Post-Baseline Treatment Modifications 
Bullet #1 (deleted) 
• Subjects who have S. pneumoniae as a causative pathogen without accompanying bacteremia will 
receive 7 days of study drug therapy (Table 5). Subjects whose microbiological results confirm S. 
pneumoniae as a causative pathogen with accompanying bacteremia will receive 10 days of active 
treatment in both the lefamulin and moxifloxacin treatment groups as shown in Table 6 below.   
Bullet #4 
• 
Subjects who were suspected to have MRSA at Screening and whose microbiological results do NOT 
confirm MRSA will have linezolid or matching placebo discontinued and will continue treatment 
with study drug for 7 days as shown in Table 4 below. or for 10 days as shown in Table 6 below. 
Bullet #6 (deleted) 
• 
Subjects whose microbiological results confirm L. pneumophila as a causative pathogen will receive 
10 days of active treatment in both the lefamulin and moxifloxacin treatment groups as shown in 
Table 6 below. 

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Section 5.5.4 – Treatment Scenarios 
Table 4 5. 
CABP (not caused by MRSA, S. pneumoniae with accompanying 
bacteremia or L. pneumophila) 
Study Drug 
Regimen 
Duration/Additional Dosing Information 
Lefamulin 
150 mg IV q12h 
Total duration of blinded study drug = 7 days ;5 days of active treatment. 
Days 1-3 = IV; 
Days 4-7 = IV or PO (see note below) 
If IV study drug administration is switched to oral, moxifloxacin placebo 
will be administered q24h through Day 7. 
 
600 mg PO q12h 
Moxifloxacin 
400 mg IV q24h 
Total duration of blinded study drug = 7 days of active treatment. 
Days 1-3 = IV; 
Days 4-7 = IV or PO  
Separate, alternating doses of IV placebo will be administered q24h such 
that IV study drug is administered q12h; 
If IV study drug administration is switched to oral, lefamulin placebo 
will be administered q12h through Day 7 5. 
 
400 mg PO q24h 
NOTE: Subjects in the lefamulin treatment arm who remain on IV treatment through days 6 and 7 will receive IV 
lefamulin placebo q12h on days 6 and 7 to maintain the blind. Subjects in the lefamulin treatment arm who have 
switched to oral treatment by day 6 will only receive oral moxifloxacin placebo q24h on days 6 and 7. 
NOTE:  Subjects with confirmed Staphylococcus S. aureus bacteremia should have study drug discontinued and 
appropriate alternate therapy should be initiated promptly. If possible, blood samples should be collected for 
microbiological culture prior to switching to alternate therapy. 
Table 6. 
CABP (caused by S. pneumoniae with accompanying bacteremia or L. 
pneumophila) 
Table 6 has been deleted. 
Table 5 6. 
CABP (MRSA suspected at Baseline and confirmed Post-baseline) 
Two table NOTES have been edited. 
NOTE #1:  If results of baseline respiratory tract cultures do not confirm MRSA as an etiological 
pathogen, then linezolid or matching placebo will be discontinued and the subject will complete 7 days of 
study drug as shown in Table 4 5 above. or 10 days of study drug as shown in Table 6 above. 
NOTE #3:  Subjects who are confirmed to have Staphylococcus aureus MRSA bacteremia should have 
study drug discontinued and appropriate alternate therapy should be initiated promptly. If possible, blood 
samples should be collected for microbiological culture prior to switching to alternate therapy. 
Section 5.6 – Timing of Dose and Dose Administration 
Paragraph 2, Sentences 6 and 7:  Subjects who require a 10-day course of study drug (i.e., those with 
CABP caused by MRSA, S. pneumoniae with accompanying bacteremia, or L. pneumophila) and who 
receive only a single dose of study drug on Day 1 will receive their final dose in the morning on either 
Day 8 (to complete a 7-day course) or on Day 11 (to complete a 10-day course).  Subjects who require a 
7-day course of study drug and who receive only a single dose of study drug on Day 1 will receive their 
final dose on Day 7.  A final dose in the morning of Day 8 is not required as subjects in both treatment 
arms will have already received a full course of therapy by Day 7. 
Example 2, Sentences 4 to 6:  Subjects who require a 7-day course of study drug and who receive 
only a single dose of study drug on Day 1 will receive their final dose in the morning on Day 8 (to 
complete a 7-day course).  Subjects who require a 10-day course of study drug and who receive only a 
single dose of study drug on Day 1 will receive their final dose in the morning on Day 11 (to complete a 
10-day course).  Subjects who require a 7-day course of study drug and who receive only a single dose of 
study drug on Day 1 will receive their final dose on Day 7.   

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Section 8.4 – Placebo 
[Rationale: Lefamulin placebo (Days 6 & 7) has been deleted from table below.] 
[NOTE: The Sponsor will now provide IV placebo to the investigative sites.] 
Paragraph 1, Sentence 1:  The following IV placebos will be supplied by the Sponsor and utilized to 
maintain the blind. 
Drug Product 
Route 
Dosage Form/Strength 
Moxifloxacin 
placebo  
IV 
0.9% NaCl for Injection  
(Given as alternating doses with IV moxifloxacin) 
NOTE: This is to be supplied by each clinical site 
Linezolid matching 
placebo 
IV 
0.9% NaCl for Injection  
NOTE: This is to be supplied by each clinical site 
Lefamulin placebo  
IV 
0.9% NaCl for Injection  
(Given on Days 6 and 7 for subjects who do not switch to oral treatment and 
have CABP not due to MRSA, L. pneumophila, or S. pneumoniae with 
accompanying bacteremia) 
NOTE: This is to be supplied by each clinical site 
[NOTE:  Information on preparing the placebo saline provided by the Sponsor has been added to Section 
5.7 (Preparation of Infusions) and for storing the placebo saline has been added to Section 8.6 (Storage 
of Study Drug).]  
 
Part 2. Decrease in the sample size 
The change in the sample size reflects a change in the non-inferiority margin (NI) for the 
FDA endpoint of Early Clinical Response (ECR) from 10% to 12.5%.  The 12.5% NI margin 
for ECR in the proposed study population (subjects with CABP and PORT risk class ≥III) is 
consistent with FDA guidance and allows the study to be completed more quickly while still 
providing a valid assessment of non-inferiority vs. moxifloxacin.  In the event that additional 
lefamulin-exposed subjects are required, the study will enroll up to 626 subjects (313 in the 
lefamulin treatment arm).  The resized study provides at least 80% power to demonstrate 
non-inferiority of lefamulin vs. moxifloxacin in both FDA and EMA endpoints using the 
respective recommended NI margins.  The original assumptions for response rate in all 
primary endpoints, as well as evaluability (Clinically Evaluable at Test of Cure Analysis Set) 
were used.  
All changes related to the decrease in sample size are provided below: 
Section 3 – Study Design 
Paragraph 1, Sentences 2 & 3:  The planned enrollment is 550 738 subjects with Pneumonia Outcomes 
Research Team (PORT) Risk Class ≥III.  However, if based upon regulatory requirements additional 
subjects exposed to lefamulin are needed, up to 626 subjects may be enrolled.   
Section 9.2 – Sample Size Determination 
Paragraph 1, Sentences 1 & 2:  A total of 550 738 subjects will be randomized in this study (275 369 in each 
treatment group).  However, if based upon regulatory requirements additional subjects exposed to 
lefamulin are needed, up to 626 subjects may be enrolled.   

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Paragraph 4:  Utilizing an anticipated ECR responder rate of 79% in the ITT Analysis Set, and a one- two-
sided alpha of 0.025, a sample size of 550 738 subjects (275 369 in each treatment group) provides >90% 
power to establish the NI of lefamulin to moxifloxacin for ECR using a NI margin of 12.5% 10% at the 
ECA.  Assuming an IACR success of 80% and 85% in the mITT and CE-TOC Analysis Sets, respectively, 
and a clinical evaluability rate of 80%, there is 80% 91% power for demonstration of NI for IACR at the 
TOC Visit using a 10% NI margin.  If the sample size is increased to 626 subjects, it will provide >95% 
power for demonstration of NI for ECR and 85% power for demonstration of NI for IACR at the 
TOC Visit. 
Table 1113. 
Power Calculations for the Primary and Secondary Efficacy Outcomes 
 
Primary Outcome (FDA) 
(ECR 96 ± 24 h After the First 
Infusion of Study Drug) 
Secondary Outcome  
(Investigator’s Assessment of Clinical Response at 
TOC- Primary for EMA) 
Analysis Set 
ITT 
mITT 
CE-TOC 
N 
550 738 
550 738 
440 590 
Outcome Rate 
79% 
80% 
85% 
Evaluability Rate 
NA 
NA 
80% 
Power 
93.8% 90% 
80.6% 91% 
80% 91% 
Section 9.6.1 – Primary Efficacy Analysis 
Paragraph 3, Sentence 4:  If the lower limit of the 95% CI for the difference in responder rates in the ITT 
Analysis Set is greater than -12.5% -10%, the null hypothesis will be rejected and the NI of lefamulin to 
moxifloxacin will be concluded. 
Section 9.9 – Interim Analysis and Independent Interim Analysis Committee 
Paragraph 1, Sentence 1:  In order to ensure that the point estimate of the ECR responder and IACR 
success rates used in the estimation of the sample size is valid for this study, an interim analysis for sample 
size re-estimation will be performed when ECR data at 96 ± 24 h post first dose are available for 
approximately 60% of randomized subjects (330 443 subjects) (see Section 9.4.1).   
 
Part 3. Changes made to more clearly describe planned analyses. 
Section 2.3 – Additional Objectives 
Bullet #2 
• Evaluate the Investigator’s Assessment of Clinical Response at the End of Treatment (EOT) (i.e., 
within 2 days after the last dose of study drug) and at LFU in the mITT and CE-EOT Analysis Sets 
(CE-EOT for IACR at EOT and CE-LFU for IACR at LFU). 
Bullet #3 
• Evaluate the Investigator’s Assessment of Clinical Response by baseline pathogen at TOC and LFU 
in the microITT and ME-TOC Analysis Sets (ME-TOC for IACR at TOC and ME-LFU for IACR 
at LFU). 
Section 3 – Study Design 
Paragraph 5:  In addition, the Investigator’s Assessment of Clinical Response (IACR) will be performed 
at the EOT, TOC, and LFU visits (Success, Failure and Indeterminate at EOT and TOC; Sustained 
Success, Relapse and Indeterminate at LFU). 

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Section 6.10 – Assessment of Clinical Signs and Symptoms of CABP 
Paragraph 3, Bullet #2, Sub-Bullet #3 and #4: 
− 
Received a concomitant antibiotic (other than adjunctive linezolid) for the treatment of CABP up 
through 120 hours after the first dose of study drug; or 
− 
Died from any cause through 120 hours after the first dose of study drug. 
Paragraph 3, Bullet #3 (added): 
• Subjects will be programmatically defined as an Indeterminate if the following criterion is met: 
• 
The symptom data are missing such that a response or non-response cannot be determined.  
Section 6.11.2 – Investigator’s Assessment of Clinical Response (IACR) at Late Follow 
Up 
Paragraph 2 (added):  NOTE:  Subjects who have an IACR of Failure at EOT or TOC will not have 
an IACR assessed at LFU and will be considered to have an IACR of Failure at LFU. 
Section 9.3.5 – Clinically Evaluable Analysis Set 
The CE Analysis Sets (CE-EOT, and CE-TOC, and CE-LFU Analysis Sets) will be a subset of the ITT 
Analysis Set that will include subjects who meet the criteria for CABP described in Inclusion Criteria 
Nos. 3 - 7, and who received at least the pre-specified minimal amount of the intended dose of study drug 
and duration of treatment, do not have an indeterminate response based on the IACR (at EOT for the CE-
EOT Analysis Set and, at TOC for the CE-TOC Analysis Set, and at LFU for the CE-LFU Analysis 
Set), did not receive concomitant antibacterial therapy (other than adjunctive linezolid) that is potentially 
effective against CABP pathogens (except in the case of clinical failure) from the first dose of study drug 
through the EOT Visit (CE-EOT Analysis Set), and through the TOC Visit (CE-TOC Analysis Set), and 
through the LFU Visit (CE-LFU Analysis Set), and for whom there are no other confounding factors 
that interfere with the assessment of the outcome. 
Section 9.3.6 – Microbiologically Evaluable Analysis Set 
The ME Analysis Set (ME-EOT, and ME-TOC, and ME-LFU) will include all subjects who meet the 
criteria for inclusion both the microITT and CE-EOT (ME-EOT) Analysis Set, or the CE-TOC (ME-
TOC) Analysis Set, or the CE-LFU (ME-LFU) Analysis Set. 
Section 9.4.1 – Primary Efficacy Analysis Variable 
Bullet #4 
• Did not receive a concomitant antibiotic (other than adjunctive linezolid) for the treatment of CABP 
up through 120 hours after the first dose of study drug. 
Paragraph 3, Sentence 3 (added):  Subjects who have an IACR of Failure at EOT will not have an 
IACR assessed at TOC and will be considered to have an IACR of Failure at TOC. 
Section 9.4.2.1 – Clinical Outcome 
Paragraph 1, Sentence 3 (added):  All-cause mortality will be evaluated in the ITT Analysis Set. 
Section 9.6.1 – Primary Efficacy Analysis 
Paragraph 4, Sentence 6 (added):  Subgroup analyses of the primary efficacy outcome will also be 
conducted for descriptive purposes and will be detailed in the SAP. 

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Paragraph 6 (added):  Additional analyses of the EMA primary efficacy outcome will be conducted.  
IACR at TOC will be assessed separately across the geographic regions, prior antibiotic use, and 
PORT risk class strata in the mITT and CE-TOC Analysis Sets.  For each geographic region, prior 
antibiotic use, and PORT risk class stratum, a 2-sided 95% CI for the observed difference success 
rates will be calculated for the ITT and CE-TOC Analysis Sets.  Sensitivity analyses of IACR 
include determination of unstratified 95% CI  and considering all subjects with missing data (i.e., 
Indeterminates) as successes for IACR (these subjects are considered failures in the EMA primary 
analysis).  For the second sensitivity analysis, a stratified 95% CI will be computed for the 
difference in the success rates between lefamulin and moxifloxacin. Subgroup analyses of the EMA 
primary efficacy outcome will also be conducted for descriptive purposes and will be detailed in the 
EMA SAP. 
Section 9.6.2 – Secondary Efficacy Analysis 
Paragraph 1, Sentence 2:  However, the formal test of NI will be conducted in the weighted (based on the 
inverse variance of each effect size) pooled population from this study and a second study in CABP and 
will be based on a 12.5% NI margin.  
Paragraph 2 (added):  The number and percentage of subjects categorized as Responder, Non-
responder and Indeterminate for ECR plus improvement in vital signs will also be presented for 
the ITT Analysis Set and a 2-sided unstratified 95% CI for the difference in responder rate will be 
calculated using a continuity-corrected Z-statistic. 
Section 9.6.3 – Additional Efficacy Analysis 
Paragraph 2:  Early Clinical Response, including improvement in vital signs at 96 ± 24 hours after the 
first dose of study drug will be derived programmatically from the eCRF data.  The number and 
percentage of subjects who are a Responder for ECR (including vital signs) will be tabulated by 
treatment group in the ITT Analysis Set.  A 2-sided unstratified 95% CI will be calculated for the 
treatment difference for the responder rate, the number and percentage of subjects who have an IACR 
of Success at TOC, and the number and percentage of subjects who are a sustained success at LFU 
will be presented by baseline pathogen in the microITT, ME-TOC (IACR only), and ME-LFU 
(sustained success only) Analysis Sets. 
Paragraph 3, Sentences 2 &3:  The number and percentage of subjects with a Sustained Success, Relapse, 
Failure, and Indeterminate response as assessed by the Investigator at the LFU Visit will be summarized 
for the mITT and CE-LFU TOC Analysis Sets.  Failure is at LFU defined as a subject who had an 
IACR of failure at the TOC visit. 
Section 9.8 – Handling of Missing Data 
Paragraph 2:  For the outcome measure of IACR at EOT, and TOC, and LFU, missing data are 
considered as a response of Indeterminate.  For analysis in the ITT, mITT and microITT Analysis Sets, 
indeterminate outcomes are included in the denominator and are thus, considered clinical Failures.  By 
definition, subjects with an IACR of Indeterminate are excluded from the CE-EOT, CE-TOC, CE-LFU, 
ME-EOT, and ME-TOC, and ME-LFU Analysis Sets. 
Paragraph 3 (added):  A missing microbiological response is considered a presumed response based 
on the IACR. For analysis in the microITT Analysis Set, indeterminate outcomes are included in 
the denominator and are thus, considered microbiological failures.  By definition, subjects with an 
IACR of Indeterminate are excluded from the ME Analysis Sets.   
Paragraph 4 (added):  Handling of missing data for other efficacy and safety outcomes will be 
presented in the SAP. 

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Part 4. Clarifications, corrections, and alignment with other studies in the lefamulin 
clinical development program 
Table 3. 
Schedule of Assessments and Procedures 
[Rationale:  Two footnotes related to timing of physical examinations and safety laboratory assessments 
have been updated to provide flexibility.] 
nl: A complete physical examination is performed at baseline and directed physical examinations are performed on 
Day 4 (Day 3 is acceptable for outpatients who are not able to return on Day 4) and at EOT and TOC.  
om: For all subjects receiving a 7-day course of therapy, collect blood and urine at Screening, Day 4 (Day 3 is 
acceptable for outpatients who are not able to return on Day 4), EOT, and TOC.   In addition, fFor 
subjects receiving a 10-days course of therapy study drug, collect blood and urine on at Screening, Day 4, 
Day 7 (Day 8 is acceptable for outpatients who are not able to return on Day 7), EOT, and TOC. 
Section 3 – Study Design 
[Rationale:  Edited for clarity.] 
Paragraph 4, Sentence 1:  Assessment of the 4 cardinal symptoms of CABP (dyspnea, cough, purulent 
sputum production and chest pain) will be conducted daily (see Section 6.10); an assessment at 96 ± 24 
hours after the first dose of study drug will be used to determine Early Clinical Response (ECR) (as 
defined in the Primary Objective - FDA) (Section 9.4.1). 
[Rationale:  Instructions added to provide clarity in assessment of daily CABP signs and symptoms for 
inpatients and outpatients.] 
Paragraph 4, Sentences 3 & 4 (added):  CABP signs and symptoms will be assessed in person while 
subjects are hospitalized.  Outpatients may have signs and symptoms assessed daily by telephone; 
however, they must also have a study site visit 96 ± 24 hours after the first dose of study drug to 
assess CABP signs and symptoms in person. 
Section 4.2 – Exclusion Criteria 
[Rationale: Window expanded to 72 hours to minimize prior antibiotic use as a confounding factor in 
assessing treatment effect.]  
#1 Have received more than a single dose of a short-acting oral or IV antibacterial for CABP within 72 
24 hours before randomization (See Appendix 2). 
[Rationale:  Edited for clarity] 
EXCEPTION:  Subjects who have received >48 hours of prior systemic antibacterial therapy for the 
current episode of CABP with unequivocal clinical evidence of treatment failure (i.e., worsening signs 
and symptoms) and isolation of an organism from blood or respiratory tract that is resistant to the prior 
systemic antibacterial therapy provided unless the resistance organism is not resistant to 
fluoroquinolones and, in the case of methicillin-resistant Staphylococcus aureus (MRSA), 
oxazolidinones. 
[NOTE:  Both changes noted above were also made to Section 6.8 (Prohibited Medications)]. 
[Rationale:  Edited for clarity.] 
#9 Be receiving a strong p-glycoprotein inhibitor or a strong CYP3A inducer or inhibitor (see 
Appendix 4). 
Section 5.6 – Timing of Dosing and Dose Administration 
[Rationale:  Guidance provided on minimum number of hours between doses.] 
Paragraph 5, Sentence 2:  On days when this is not feasible, doses should be given within 4 hours of the 
scheduled dosing time (i.e., a minimum of 8 hours between doses). 

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[Rationale:  Infusion rate corrected.] 
Paragraph 8, Sentence 1:  Infusions will be administered via an infusion set and IV catheter at a 
controlled rate over approximately 60 minutes (approximately 60 mL/min).   
[NOTE:  This change was also made to Section 5.8 (Blinding).] 
Section 5.8 – Blinding  
[Rationale:  Provide clarity that safety data provided to DMC will be masked, not unblinded.] 
Paragraph 2, Sentence 3:  An DMC will review summary safety data by masked treatment group 
throughout the study. 
[NOTE:  This change was also made to Section 10.2 (Independent DMC)]. 
Section 5.10 – Adherence 
[Rationale:  Clarification regarding eCRF data reporting updated.] 
Paragraph 1, Sentence 2:  The date, start and stop time of each IV dose, the date and time of the first oral 
dose, the date of the last oral dose, and the number of tablets/capsules taken for the oral dose will be 
recorded in the eCRF.   
[Rationale:  Edited for clarity.] 
Paragraph 4:  The site of care/site of IV study drug administration (e.g., emergency room, IV infusion 
center, subject’s home, etc.) will be recorded on each study day. 
Section 6 – Study Assessments and Procedures 
[Rationale:  Removed to avoid confusion regarding timing of procedures.] 
Paragraph 2, Sentence 3 (deleted):  When multiple procedures are performed at the same time 
points, the preferred sequence of order is:  vital signs, ECG, and plasma PK/blood draw. 
[Rationale:  Edited to ensure clarity regarding the need for a face-to-face visit for ECR.] 
Paragraph 4 (added):  NOTE:  All subjects must have an in person visit at the study site that is 
96 ± 24 hours after the first dose of study drug to assess CABP signs and symptoms for 
calculation of ECR.  Subjects who are receiving oral medication at home will be informed as to 
the timing of this visit by study personnel.   
Section 6.4 – Vital Signs and Oxygen Saturation 
[Rationale: Collection of supplemental oxygen therapy data has been added to the protocol and eCRF.]  
New paragraph (Paragraph 2) was added:  In addition, if the subject is receiving supplemental oxygen 
therapy, the amount given will be recorded in the eCRF. 
Section 6.6 – Arterial Blood Gases 
[Rationale:  FiO2 is not being collected on the eCRF as part of the results of arterial blood gases.] 
Study sites are not required to measure arterial blood gases (PaO2, PaCO2) (and FiO2) or pH.  However, if 
these data are available, they should be recorded in the eCRF.   
Section 6.7.2 – Concomitant Medications 
[Rationale:  Edited for clarity.] 
Paragraph 3, Sentence 1:  Although all drugs that are metabolized by CYP3A4 are not prohibited, they 
should only be used when necessary and with appropriate subject monitoring.   
[Rationale:  Edited for clarity.] 
Paragraph 3, Sentences 3 &4:  In addition, all drugs that are P-glycoprotein substrates are not 
prohibited; however, they should only be used when necessary and with appropriate subject 
monitoring.  A list of drugs that which are CYP3A4 substrates and P-glycoprotein substrates is 
provided in Appendix 3. 

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Section 6.8 – Prohibited Medications 
[Rationale:  Instructions added to provided clarity regarding prohibited medications.] 
Bullet #3 
• Other systemic antibacterial agents that are potentially effective against pathogens associated with 
CABP except in the case of treatment failure or when medically necessary for treatment of a 
concomitant infection.  
Bullet #6 
• Strong p-glycoprotein inhibitors and strong CYP3A inhibitors or inducers (see Appendix 4). 
Section 6.10 – Assessment of Clinical Signs and Symptoms of CABP 
[Rationale:  Instructions provided to ensure that subjects have a face-to-face study visit at time of ECR 
assessment.] 
Paragraph 3 (added):  NOTE:  All subjects must have a face-to-face assessment of CABP signs and 
symptoms 96 ± 24 hours after the first dose of study drug.  Subjects who are receiving outpatient 
study drug (IV or oral) during this timeframe MUST have a visit at the study site for this 
assessment.  Study personnel will inform outpatients as to the timing of this required study site 
visit. 
Section 6.13 – Sample Collection for Pharmacokinetic Analysis 
[Rationale:  To clarify that PK analysis will include lefamulin’s main metabolite, BC-8041.] 
Paragraph 1, Sentence 1:  Blood samples for PK analysis of lefamulin and its main metabolite, BC-
8041, in plasma following IV dosing will be collected in association with the morning dose of study drug 
on Study Day 3 as specified in Table 9 11below. 
[Rationale:  Instructions added to provided clarity in PK sample collection for outpatients.] 
Paragraph 3 (added):  Outpatients who have consented for oral drug PK samples will return to the 
clinical site for PK blood collection relative to the first morning dose of oral drug.  These subjects 
should be instructed to not take their first morning dose of study drug at home that day, rather to 
bring all blister packs (used and unused) to the study site.  Following collection of the pre-dose 
blood sample, subjects will take their dose of study drug under supervision of study personnel, and 
subsequent PK blood samples will be collected. 
Section 6.14.1 – Sputum Samples 
[Rationale:  Edited for clarity.] 
Bullet #3, Sentence 1: 
• To be adequate, Gram’s stains of sputum samples should have >25 polymorphonuclear (PMN) cells 
AND <10 squamous epithelial cells per LPF.   
[Rationale:  Edited so that all organisms that are non-contaminants are sent to the central lab for 
confirmation.] 
Bullet #4, Sentence 1: 
• All organisms isolated from sputum samples which are not considered contaminants (with the 
exception of Pseudomonas spp. and organisms in the Enterobacteriaceae Family) will be sent to the 
central laboratory for confirmatory identification and susceptibility testing.   

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[Rationale:  Corrected to indicate that PCR will only be performed on baseline pathogens.] 
Bullet #6, Sentences 1 & 2: 
• A portion of each Screening sputum sample taken (all Screening samples, plus any additional 
samples collected as clinically indicated) will be frozen until shipment to the central laboratory. 
Frozen samples will be analyzed by the central microbiological laboratory using real-time 
quantitative PCR for common CABP pathogens including S. pneumoniae, H. influenzae and M. 
catarrhalis as well as atypical pathogens including L. pneumophila, C. pneumoniae, and M. 
pneumoniae.   
Section 6.17.2 – Discontinuation from Study 
[Rationale:  Instructions provided to investigative sites to minimize missing data for analysis of 28 day 
all-cause mortality.] 
Paragraph 2 (added):  Every attempt will be made to contact subjects who withdraw from the study 
in order to determine their vital status (alive or dead) at Day 28.   
[NOTE:  This change was also made to Section 6.17.4 (Lost to Follow-up).] 
Section 6.17.3 – Individual Stopping Criteria 
[Rationale:  Added for clarity and consistency with Section 5.5.2 (Post-Baseline Treatment 
Modifications).] 
Bullet #3 (added): 
• The subject has confirmed S. aureus bacteremia. 
Section 7.5 – Other Reportable Events 
[Rationale:  Other reportable events are reported regardless of whether or not the investigator considers 
it an adverse event.] 
Paragraph 1, Sentence 1:  Certain events that occur in the absence of an adverse event should be reported 
to the Sponsor as Other Reportable Events.   
[Rationale:  Based on FDA Guidance to Industry (July 2009), Potential Hy’s Law was added as an 
“Other Reportable Event” to evaluate and monitor any potential drug-induced hepatotoxicity that may 
be observed in this study.] 
Bullet #1 (added): 
• Potential Hy’s Law (PHL) 
- 
The investigator is responsible for prompt reporting of any patient who has had both (1) 
AST or ALT > 3 x ULN and (2) total bilirubin > 2 x ULN at any point in the study (i.e., 
meets criteria for Potential Hy’s Law). The investigator must complete the Hy’s Law eCRF.  
Liver laboratory results should be followed locally every several days until resolution or 
stabilization of the laboratory abnormalities and reported using an unscheduled laboratory 
eCRF.  If subsequent to the initial report of PHL, the investigator determines that the case 
meets serious criteria, it should be reported as an SAE using standard reporting 
procedures. 
Section 9.4.2.2 – Microbiological Assessment 
[Rationale:  Revised for clarity and consistency.] 
Paragraph 1, Bullet #3 
Indeterminate:  The IACR was Indeterminate, and no culture was not repeated obtained. 

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[Rationale: A description of the disk inhibition zone diameter which would qualify as development of 
decreasing susceptibility is provided.]  
Paragraph 3, Bullet #3: 
• 
Development of Decreasing Susceptibility: Increase in MIC (≥ 4x) or ≥6 mm decrease from 
baseline in disk inhibition zone diameter to the study drug received for a pathogen isolated at 
baseline and subsequently isolated from a blood or lower respiratory tract specimen. 
Section 9.4.4 – Pharmacokinetic Analysis Variables 
[Rationale:  Minor edits made to clarify the popPK analysis.] 
Sentence 3:  Individual 24h AUC values from Day 1 obtained from the population PK model will be 
used for the PK/PD analysis focusing on efficacy.   
Section 9.7 – Safety Analyses 
[Rationale:  Across the lefamulin clinical development program, corrected QT interval will be 
summarized using the Frederica formula only.]  
Paragraph 5, Sentence 1:  Change from baseline to each scheduled evaluation and the overall worst post-
baseline for RR interval, PR interval, QRS interval, QT interval, QT interval corrected with Bazzett, and 
QT interval corrected with Fridericia from the ECG will be summarized for each treatment group with the 
mean, standard deviation, minimum value, and maximum value. 
Section 9.9 – Interim Analysis and Independent Interim Analysis Committee 
[Rationale:  Interim analysis applies to primary outcome measures for both regulatory authorities. 
Paragraph 1, Sentence 3: The interim analysis will involve a sample size re-estimation to either confirm 
the initial sample size estimate is adequate or increase the sample size (number of randomized subjects) 
to ensure the study has adequate power for determining whether lefamulin is non-inferior to moxifloxacin 
for the primary outcome measures for the FDA and EMA.   
Section 19 – List of References 
Zeitlinger et al., 2014 (poster presentation) has been published in J Antimicrob Chemother (2016).  
Reference and citations for Zeitlinger et al., 2014 have been updated to Zeitlinger et al., 2016.   
A reference for FDA Guidance for Industry: Drug-Induced Liver Injury: Premarketing Clinical 
Evaluation (2009) was added to support addition of Potential Hy’s Law to Section 7.5 (Other Reportable 
Events). 
Appendix 3 (Closely Monitored CYP3A4 Substrates and P-Glycoprotein Substrates [excluding strong 
CY3A inducers and inhibitors and excluding strong P-glycoprotein inhibitors]) and Appendix 4 
(Prohibited Strong P-Glycoprotein Inhibitors and Strong CYP3A Inducers and Inhibitors) have been re-
structured for clarity.  In addition, efavirenz and nevirapine were moved from the list of Strong CYP3A 
inducers to the list of CYP3A substrates that should be closely monitored reflecting their correct 
classification.   
 

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Part 5. Revision based on availability of new data 
Section 5.6 – Timing of Dosing and Dose Administration 
[Rationale: Based upon the analyses of PK data from a recently completed Phase 1 study of subjects 
receiving lefamulin 600 mg orally in the fed and fasted states, oral lefamulin will be administered in the 
current study either 1 hour before a meal or 2 hours after a subject ingests a meal to mitigate against any 
potential negative effect associated with co-administration with food.] 
Paragraph 6, Sentences 1 & 2 (new):  Oral study drug should be administered at least 1 hour before a 
meal or 2 hours after a meal.  However, in the event that a subject has taken any of the following − 
antacids containing aluminum, products containing iron, or multivitamins containing zinc − study 
drug should be administered 2 hours before or 4 hours after consuming any of these medications.  
[NOTE:  This change was also made to Section 6.16 (Food and Beverage Restrictions).] 
 
In addition, the Sponsor has made the following minor revisions: 
• Amendment 2 is protocol version 3.0, dated 04-Mar-2016. 
• Administrative change in the Medical Officer and protocol signatory from Elyse Seltzer, 
MD to Leanne Gasink, MD. 
• Administrative change in the PPD Medical Monitor from Anton Maki Jr, MD to Laura 
McKain, MD. 
• Correction of typographical errors (e.g., definition of ELF), formatting, consistency in 
terminology (e.g., By-Pathogen Response for microbiological assessment), etc. 
• Updated information includes: 
- 
Section 1.3 - increase in number of clinical isolates tested 
- 
Section 1.4 – results of in vitro drug transporter studies 
- 
Section 1.5 – increase in number of Phase 1 clinical studies 
- 
Nabriva US offices 
- 
List of abbreviations 
- 
Table numbering 
• Clarified throughout the protocol that SF-12 will be the PRO instrument.   
 
AMENDMENT 1:  06 OCTOBER 2015 
This amendment addresses changes requested during the Voluntary Harmonization 
Procedure in Europe for assessment of the original protocol.  Three eligibility criteria were 
revised to further define the study population.  These revisions were made to the protocol 
sections noted below as well as to the study synopsis.  Added text is bolded. 
Section 4.1 – Inclusion Criteria 
#2. 
Provide written informed consent and be willing and able to adhere to the study-
specified procedures and restrictions.  NOTE:  Consent may be provided by the 
subject’s legally authorized representative in accordance with local regulations. 

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#7. 
Have a Pneumonia Outcomes Research Team (PORT) Risk Class ≥III and require 
IV antibiotic therapy as initial treatment for the current episode of CABP. 
 
Section 4.2 – Exclusion Criteria 
#16. 
Have participated in any study involving administration of an investigational agent or 
device within 30 days or ≤5 terminal elimination half-lives of the previous 
investigational medicinal product, whichever is longer, before enrollment. 
Protocol Sections 6 and 13 were revised as follows for consistency with amended Inclusion 
Criterion #2. 
Section 6 – Study Assessments and Procedures 
Subjects meeting the eligibility criteria listed in Section 4 may be enrolled in the study after 
the nature and purpose of the protocol have been explained and written informed consent to 
participate has been voluntarily given by the subject or the subject’s legally authorized 
representative in accordance with local regulations.   
Section 13 – Informed Consent (Paragraph 3) 
Subjects (or their legally authorized representative) will sign and date 1 copy of the 
informed consent form which will be photocopied.  The copy will be retained by the subject 
(or their legally authorized representative) and the original will be retained on file by the 
Investigator. 
In addition, the Sponsor has made the following revisions to the original protocol.  These 
revisions were made to the protocol sections noted below as well as to the study synopsis, the 
Schedule of Assessments and Procedures (Table 4), and the Overview of Study Design 
(Figures 1-3), as applicable.  Added text is bolded; deleted text is struck through. 
One eligibility criterion was revised to expand the window for radiographic confirmation of 
pneumonia.  This will minimize radiation exposure in subjects with a recent chest x-ray/CT 
scan and, additionally, it is consistent with the EMA guidance. 
Section 4.1 – Inclusion Criteria 
#6 
Have radiographically-documented pneumonia within 24 48 hours before enrollment 
(i.e., infiltrates in a lobar or multilobar distribution or diffuse opacities on chest x-ray 
or chest computed tomography scan consistent with acute bacterial pneumonia). 
Section 5.5.2 (Post-Baseline Treatment Modifications) has been revised to clarify treatment 
management (1) among subjects who were suspected to have MRSA at Screening and whose 
microbiological results confirm MRSA as a causative pathogen during the oral treatment 
period and (2) among subjects who were suspected to have MRSA at Screening and whose 
microbiological results do NOT confirm MRSA.  Table 7 has been modified accordingly. 
Section 5.5.2 – Post-Baseline Treatment Modifications (Primary Bullets #3 and #4) 
• Subjects who were suspected to have MRSA at Screening and whose microbiological 
results confirm MRSA as a causative pathogen during the oral treatment period will be 
managed as follows: 

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- 
Subjects randomized to receive moxifloxacin: Oral moxifloxacin should be 
discontinued.  Subjects will continue to receive oral linezolid plus oral lefamulin 
placebo for to complete 10 days of study drug therapy as shown in Table 7 below.  
- 
Subjects randomized to receive lefamulin: Oral moxifloxacin placebo should be 
discontinued.  Subjects will continue to receive oral lefamulin plus oral linezolid 
placebo for to complete 10 days of study drug therapy as shown in Table 7 below.  
• Subjects who were suspected to have MRSA at Screening and whose microbiological 
results do NOT confirm MRSA will have linezolid or matching placebo discontinued and 
will continue treatment with study drug for 7 days as shown in Table 5 below or for 10 
days as shown in Table 6 below. 
Section 5.6 (Timing of Dosing and Dose Administration, Paragraph 2) has been revised to 
clarify dosing instructions for subjects randomized to 7 days of study drug (i.e., subjects with 
CABP not caused by MRSA, S. pneumonia with accompanying bacteremia or L. 
pneumophila) and who receive a single dose of study drug on Day 1.  A final dose in the 
morning on Day 8 is not required as subjects in both treatment arms will have already 
received a full course of therapy by Day 7.  Example 2 in this section has been modified 
accordingly.  This change does not affect those subjects randomized to 10 days of study drug 
(i.e., subjects with CABP caused by MRSA, S. pneumoniae with accompanying bacteremia, 
or L. pneumophila) and who receive only a single dose of study drug on Day 1. 
Section 5.6 – Timing of Dosing and Dose Administration (Paragraph 2) 
The first dose of study drug will be administered on Day 1, as soon as possible after the 
diagnosis of CABP and completion of all required Day 1 procedures as outlined in Table 4; 
subsequent study days are consecutive calendar days.  Every attempt should be made to 
administer 2 doses of study drug on Study Day 1. On Day 1, if q12h dosing is not feasible, 
the 1st and 2nd doses may be administered as close as 8 hours apart, in order to allow 2 doses 
to be given on Day 1.  In this circumstance, the subject’s dosing schedule should be adjusted 
on Day 2 to a regular q12h morning and evening schedule.  Despite this, there may still be 
instances where it is not possible to administer 2 doses on Day 1.  Subjects who receive only 
a single dose of study drug on Day 1 will receive their final dose in the morning on either 
Day 8 (to complete a 7 day course) or Day 11 (to complete a 10 day course).  Subjects who 
require a 10-day course of study drug (i.e., those with CABP caused by MRSA, 
S. pneumoniae with accompanying bacteremia, or L. pneumophila) and who receive 
only a single dose of study drug on Day 1 will receive their final dose in the morning on 
Day 11 (to complete a 10-day course).  Subjects who require a 7-day course of study 
drug and who receive only a single dose of study drug on Day 1 will receive their final 
dose on Day 7.  A final dose in the morning of Day 8 is not required as subjects in both 
treatment arms will have already received a full course of therapy by Day 7. 
This protocol does not require the measurement of arterial blood gases.  Additionally, PaO2 is 
not required for calculation of PORT Risk Class.  Thus, Section 6.6 (Arterial Blood Gases) 
has been modified to remove instructions on calculating PaO2. 

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Section 6.6 – Arterial Blood Gases 
Study sites are not required to measure arterial blood gases (PaO2, PaCO2) (and FiO2) or pH.  
However, if these data are available, they should be recorded in the eCRF.  If a direct 
measurement is not available, study personnel will calculate PaO2 based on O2 saturation as 
measured by oximetry to assign PORT Risk Class at Screening, and as clinically indicated 
during the study. 
Instructions for pregnancy testing at Screening have been modified because serum pregnancy 
results from the Central Laboratory will not be available prior to randomization.  Thus, 
Section 6.12 (Clinical Laboratory Tests) has been modified to require a urine pregnancy test 
prior to randomization and confirmation with a serum pregnancy test as soon as possible.  
Appendix I (Clinical Laboratory Tests [Safety]) has been modified accordingly. 
Section 6.12 – Clinical Laboratory Tests (Safety) (Paragraph 2) 
A full list of the clinical laboratory tests that will be performed and analyzed can be found in 
Appendix 1.  A pregnancy test will be performed on all females who are not surgically sterile 
or post-menopausal for at least 2 years.  If serum pregnancy test results are not available at 
the time of enrollment, a A negative urine pregnancy test is required prior to randomization 
and must be confirmed as soon as possible using a serum pregnancy test.   
An additional microbiological assessment − a nasopharyngeal specimen − will be obtained at 
Screening to test for S. pneumoniae.  A new section was added to the protocol (Section 
6.14.8). 
Section 6.14.8 – Nasopharyngeal Specimen 
A nasopharyngeal specimen will be obtained at Screening and sent to the central 
laboratory/specialty laboratory for S. pneumoniae culture, susceptibility testing, as well 
as identification by PCR.  Nasopharyngeal specimens must be frozen until shipment to 
the central laboratory.   
Appendix I (Clinical Laboratory Tests [Safety]) has been modified to remove the 
requirement that glucose testing be performed in a fasted state.   In addition, the Sponsor has 
made administrative changes that include a change in the US study manager from Lisa 
Goldberg to John Saviski, correction of typographical errors, and consistency in formatting. 

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SYNOPSIS 
Study Title:  A Phase 3, Randomized, Double-Blind, Double-Dummy Study to Compare the 
Efficacy and Safety of Lefamulin (BC-3781) Versus Moxifloxacin (With or Without 
Adjunctive Linezolid) in Adults With Community-Acquired Bacterial Pneumonia (CABP) 
(Protocol NAB-BC-3781-3101). 
Study Objectives: 
Primary Objectives 
• Demonstrate the non-inferiority (NI) of lefamulin versus comparator with respect to the 
Early Clinical Response (96 ± 24 hours after the first dose of study drug) in the 
Intent-to-Treat (ITT) Analysis Set (FDA endpoint). 
• Demonstrate the NI of lefamulin versus comparator with respect to the Investigator’s 
Assessment of Clinical Response at Test of Cure (TOC) (i.e., 5-10 days after the last dose 
of study drug) in the modified-ITT (mITT) and Clinically Evaluable at TOC (CE-TOC) 
Analysis Sets (EMA endpoint). 
Secondary Objectives 
• Evaluate the Early Clinical Response in the Microbiological Intent-to-Treat (microITT) 
Analysis Set.   
• Evaluate the Early Clinical Response PLUS improvement in vital signs in the ITT 
Analysis Set. 
• Evaluate the Investigator’s Assessment of Clinical Response at TOC in the microITT and 
Microbiologically Evaluable at TOC (ME-TOC) Analysis Sets. 
• Evaluate the By-Pathogen Microbiologic Response at TOC in the microITT and ME-
TOC Analysis Sets. 
• Evaluate the safety and tolerability of lefamulin versus comparator in the Safety Analysis 
Set. 
• Evaluate 28 day all-cause mortality in the ITT Analysis Set. 
Additional Objectives 
• Evaluate the Early Clinical Response by baseline pathogen in the microITT Analysis Set. 
• Evaluate the Investigator’s Assessment of Clinical Response at the End of Treatment 
(EOT) (i.e., within 2 days after the last dose of study drug) and at LFU in the mITT and 
CE-EOT Analysis Sets (CE-EOT for IACR at EOT and CE-LFU for IACR at LFU). 
• Evaluate the Investigator’s Assessment of Clinical Response by baseline pathogen at 
TOC and LFU in the microITT and ME-TOC Analysis Sets (ME-TOC for IACR at TOC 
and ME-LFU for IACR at LFU). 
• Evaluate the By-Subject Microbiologic Response at TOC in the microITT and ME-TOC 
Analysis Sets. 

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• Evaluate the plasma pharmacokinetics (PK) of lefamulin in the PK Analysis Set. 
• Explore a variety of health utilization variables and an investigational patient reported 
outcome (PRO) measure (SF-12) in subjects receiving lefamulin compared with subjects 
receiving comparator. 
Study Population: 
Inclusion Criteria   
Each subject must: 
1. Be male or female ≥ 18 years of age. 
2. Provide written informed consent and be willing and able to adhere to the study-specified 
procedures and restrictions.  NOTE:  Consent may be provided by the subject’s legally 
authorized representative in accordance with local regulations. 
3. Have an acute illness (≤7 days duration) with at least 3 of the following symptoms 
consistent with a lower respiratory tract infection (new or worsening): 
• Dyspnea. 
• New or increased cough. 
• Purulent sputum production. 
• Chest pain due to pneumonia. 
4. Have at least 2 of the following vital sign abnormalities:  
• Fever (body temperature >38.0°C (100.4°F) measured orally or equivalent 
temperature from an alternate body site) or hypothermia (body temperature <35.0°C 
(95.0°F) measured orally or equivalent temperature from an alternate body site). 
• Hypotension (systolic blood pressure <90 mmHg). 
• Tachycardia (heart rate >100 beats/min). 
• Tachypnea (respiratory rate >20 breaths/min). 
5. Have at least 1 other clinical sign or laboratory finding of CABP: 
• Hypoxemia (i.e., O2 saturation <90% on room air or while receiving supplemental 
oxygen at subject’s baseline requirement or PaO2 <60 mmHg). 
• Auscultatory and/or percussion findings consistent with pneumonia (e.g., crackles, 
egophony, dullness). 
• White blood cell (WBC) count >10,000 cells/mm3 or <4500 cells/mm3 or >15% 
immature neutrophils (bands) regardless of total WBC count. 
6. Have radiographically-documented pneumonia within 48 hours before enrollment (i.e., 
infiltrates in a lobar or multilobar distribution or diffuse opacities on chest x-ray or chest 
computed tomography scan consistent with acute bacterial pneumonia). 

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7. Have a Pneumonia Outcomes Research Team (PORT) Risk Class ≥III and require IV 
antibiotic therapy as initial treatment for the current episode of CABP. 
8. If female, meets the following criteria: 
• Surgically sterile or ≥2 years postmenopausal, or if of childbearing potential 
(including being <2 years postmenopausal), has a negative pregnancy test, and if 
participating in sexual activity that may lead to pregnancy, agrees to use an effective 
dual method of contraception (e.g., condom plus diaphragm, condom plus spermicide, 
intrauterine device plus spermicide) during the study and for ≥28 days after the last 
dose of study drug.  If a male partner has been surgically sterile for ≥1 year, a single 
contraception method may be used.  NOTE:  The use of contraceptives containing 
progesterone is not permitted. 
• Agrees not to breastfeed during the study and through ≥28 days after the last dose of 
study drug. 
9. If male, meets the following criteria: 
• If not surgically sterile and if participating in sexual activity that may lead to 
pregnancy, agrees to use an effective dual method of contraception (e.g., condom plus 
diaphragm, condom plus spermicide, intrauterine device plus spermicide, oral 
contraceptive plus condom) during the study and through ≥28 days after the last dose 
of study drug.  If surgically sterile for ≥1 year, a single contraception method may be 
used. 
Exclusion Criteria   
Each subject must NOT: 
1. Have received more than a single dose of a short-acting oral or IV antibacterial for CABP 
within 72 hours before randomization (See Appendix 2)  
• 
EXCEPTION:  Subjects who have received >48 hours of prior systemic antibacterial 
therapy for the current episode of CABP with unequivocal clinical evidence of 
treatment failure (i.e., worsening signs and symptoms) and isolation of an organism 
from blood or respiratory tract that is resistant to the prior systemic antibacterial 
therapy provided the organism is not resistant to fluoroquinolones and, in the case of 
methicillin-resistant Staphylococcus aureus (MRSA), oxazolidinones. 
2. Require concomitant systemic antibacterial therapy potentially effective against CABP 
pathogens (See Section 6.8). 
3. Have been hospitalized for 2 or more days within 90 days prior to the onset of symptoms 
or have resided in a nursing home or long-term healthcare facility within 30 days prior to 
the onset of symptoms.  NOTE:  Residence in an independent living facility is permitted. 
4. Have confirmed or suspected CABP caused by a pathogen known to be resistant to any of 
the study drugs (e.g., Pseudomonas aeruginosa, any pathogen of the Enterobacteriaceae 
Family) or attributable to etiologies other than community-acquired bacterial pathogens 
(e.g., ventilator-associated pneumonia, hospital-acquired bacterial pneumonia, bacterial 
aspiration pneumonia, Pneumocystis jiroveci pneumonia or other fungal pneumonia, viral 
or mycobacterial infection of the lung). 

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5. Have a noninfectious cause of pulmonary infiltrates (e.g., pulmonary embolism, chemical 
pneumonitis from aspiration, hypersensitivity pneumonia, congestive heart failure, 
bronchial obstruction, lung cancer, cystic fibrosis). 
6. Have confirmed or suspected pleural empyema (does not include sterile parapneumonic 
effusions). 
7. Require mechanical ventilation. 
8. Have or be at risk for major cardiac events or dysfunction including, but not limited to, 
the following: 
• Known prolonged QT interval or family history of long QT syndrome 
• Clinically significant hypokalemia which has not been treated prior to randomization 
• Clinically unstable cardiac disease, including: unstable atrial fibrillation, symptomatic 
bradycardia, unstable congestive heart failure, active myocardial ischemia, or 
indwelling pacemaker 
• Complete left bundle branch block 
• Receipt within 7 days before enrollment of Class IA or Class III anti-arrhythmic 
medication or, in the opinion of the Investigator, subject may require such medication 
during the study. (Class 1A: Quinidine, Procainamide, Disopyramide; Class III: 
Amiodarone, Dofetilide, Ibutilide, Sotalol) 
• Receipt within 7 days before enrollment of medication that has the potential of 
prolonging the QT interval or, in the opinion of the Investigator, subject may require 
such medication during the study (see Appendix 5). 
9. Be receiving a strong p-glycoprotein inhibitor or a strong CYP3A inducer or inhibitor 
(See Appendix 4) 
10. Have a history of tendon disease/disorder, myasthenia gravis, or known or suspected 
central nervous system (CNS) disorders (severe cerebrovascular arteriosclerosis, 
epilepsy, or other risk factors that may predispose to seizures).   
11. Have a history of any hypersensitivity or allergic reaction to any fluoroquinolone, or any 
drug in the pleuromutilin class (i.e., retapamulin). 
12. Have severely impaired renal function, defined as creatinine clearance 
(CrCl) ≤ 30 mL/min as calculated by the Cockcroft-Gault formula. 
13. Have evidence of significant hepatic, hematologic, or immunologic disease including any 
of the following:  
• Known acute hepatitis, including acute viral hepatitis. 
• Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) level >5 times 
the upper limit of normal (ULN) or total bilirubin >3 times the ULN. 
• Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) level >3 times 
the upper limit of normal (ULN) and total bilirubin >2 times the ULN. 
• History of cirrhosis of the liver. 

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• Manifestation of end-stage liver disease, such as ascites or hepatic encephalopathy. 
• Current or anticipated neutropenia (<500 neutrophils/mm3). 
• Thrombocytopenia (<50,000 platelets/mm3). 
• Known infection with human immunodeficiency virus and a CD4 count <200/mm3. 
14. Have known or suspected severe immunosuppression, defined as receipt of corticosteroid 
therapy (≥20 mg prednisone/day or equivalent for more than 4 weeks) within the 
previous 8 weeks; solid organ or bone marrow transplantation within the previous 12 
months; or currently receiving cytotoxic chemotherapy. 
15. Have a life expectancy of ≤3 months because of any disease other than the current 
episode of CABP (e.g., current or impending respiratory failure, acute heart failure, 
shock, acute coronary syndrome, unstable arrhythmia, hypertensive emergency, clinically 
relevant gastrointestinal bleeding, profound metabolic abnormality, or acute 
cerebrovascular event). 
16. Have participated in any study involving administration of an investigational agent or 
device within 30 days or ≤5 terminal elimination half-lives of the previous investigational 
medicinal product, whichever is longer, before enrollment. 
17. Have been previously treated with lefamulin or previously enrolled in this study. 
18. Have any condition that, in the opinion of the Investigator, would compromise the safety 
of the subject or the quality of the data. 
In addition, for subjects suspected to have MRSA for whom adjunctive linezolid or 
matching placebo will be added, each subject must NOT: 
19. Have received any of the following medications:  
• Monoamine oxidase inhibitors (within 2 weeks of randomization). 
• Serotonergic agents (e.g., SSRI antidepressant medications) (within 5 weeks of 
randomization). 
20. Have pheochromocytoma, carcinoid syndrome, uncontrolled hypertension, or 
thyrotoxicosis. 
21. Have a history of any hypersensitivity or allergic reaction to linezolid or tedizolid. 
 
Duration of Study:  Each subject will participate for approximately 4-5 weeks. 
Drug Products:  Drug products will be supplied as follows: 

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Drug Product 
Route 
Dosage Form/Strength 
Lefamulin 
IV 
150 mg of lefamulin in 15 mL of 0.9% saline, to be further diluted in 10mM 
citrate buffered 0.9% saline  
 
PO 
600 mg of lefamulin as a yellow oval film coated immediate-release tablet 
Moxifloxacin 
IV 
400 mg of moxifloxacin in a ready-to-use latex-free flexibag 
 
PO 
400 mg of moxifloxacin as an over-encapsulated film-coated tablet 
Linezolid 
IV 
600 mg of linezolid in a ready-to-use flexible plastic (latex-free) infusion 
bag 
PO 
600 mg of linezolid as an over-encapsulated film-coated tablet  
Baseline Study Drug Assignment:  Subjects will be randomized in a 1:1 ratio to either IV 
lefamulin or IV moxifloxacin. Subjects randomized to IV lefamulin will receive 150 mg of 
lefamulin q12h.  Subjects randomized to IV moxifloxacin will receive 400 mg of 
moxifloxacin q24h.  In order to maintain the blind, subjects randomized to IV moxifloxacin 
will receive alternating doses of IV placebo administered q24h so that IV study drug is 
administered q12h.  
As part of the screening evaluation, the Investigator will determine whether MRSA is a 
probable pathogen in the subject.  MRSA should be considered a potential cause of CABP 
when a good quality sputum Gram’s stain shows both polymorphonuclear leukocytes and 
abundant Gram-positive cocci in clusters, or if local epidemiology and recent clinical 
experience suggest it is prevalent in the community.  Linezolid is provided as empiric 
therapy in subjects where MRSA is suspected as the pathogen until culture results are 
available.  If MRSA is suspected, adjunctive linezolid therapy will be added to the 
moxifloxacin treatment group, while matching placebo will be added in the lefamulin group 
pending final culture results.  Linezolid treatment or matching placebo will only be continued 
in the presence of a microbiological culture confirming the presence of MRSA.  If cultures 
do not grow MRSA, linezolid (or matching placebo) will be discontinued and subjects will 
be continued on moxifloxacin (or lefamulin).  Once culture results are available, study drug 
treatment will be modified as described below.  
Duration of Treatment:  It is estimated that the duration of blinded study drug 
administration for the majority (~90%) of subjects will be 7 days of active treatment as 
shown in Table 1 below.  Subjects with CABP due to MRSA will receive 10 days of active 
treatment as shown in Table 2 below.  Subjects with CABP due to MRSA, or those with 
confirmed S. aureus bacteremia will have their treatment adjusted as described below. 
Post-Baseline Treatment Modifications:  Following receipt of the screening 
microbiological results, the following treatment modifications will be made.  The 
investigator (or designee) must communicate culture results in a timely manner to the 
unblinded pharmacist so that study treatment can be adjusted accordingly: 
• Subjects who were suspected to have MRSA at Screening and whose microbiological 
results confirm MRSA as a causative pathogen during the IV treatment period will be 
managed as follows:  

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− Subjects randomized to receive moxifloxacin: IV moxifloxacin should be 
discontinued and linezolid will be continued for 10 days as shown in Table 2 below. 
− Subjects randomized to receive lefamulin:  IV linezolid placebo should be 
discontinued and lefamulin will be continued for 10 days as shown in Table 2 below.  
• Subjects who were suspected to have MRSA at Screening and whose microbiological 
results confirm MRSA as a causative pathogen during the oral treatment period will be 
managed as follows: 
− Subjects randomized to receive moxifloxacin: Oral moxifloxacin should be 
discontinued.  Subjects will continue to receive oral linezolid plus oral lefamulin 
placebo to complete 10 days of study drug therapy as shown in Table 2 below.  
− Subjects randomized to receive lefamulin: Oral moxifloxacin placebo should be 
discontinued.  Subjects will continue to receive oral lefamulin plus oral linezolid 
placebo to complete 10 days of study drug therapy as shown in Table 2 below.  
• Subjects who were suspected to have MRSA at Screening and whose microbiological 
results do NOT confirm MRSA will have linezolid or matching placebo discontinued and 
will continue treatment with study drug for 7 days as shown in Table 1 below. 
• Subjects whose microbiological results confirm S. aureus bacteremia (either methicillin-
susceptible or methicillin-resistant) will be discontinued from study drug and have 
appropriate alternate therapy initiated promptly.  If possible, blood samples should be 
collected and sent for microbiological culture prior to switching to alternate therapy. 
 
NOTE: If a subject is determined to have an infection caused by MRSA plus an organism 
known to be resistant to linezolid, the Sponsor’s medical monitor should be contacted. 
NOTE:  If MRSA is not suspected at Screening, but subsequently confirmed as an etiological 
pathogen the Investigator should assess the subject’s clinical status at the time the 
microbiological results become available.  If at this time the subject is demonstrating clear 
and progressive clinical improvement (e.g., improving temperature, respiratory signs and 
symptoms, etc.), then the subject may remain on blinded study drug therapy (i.e., lefamulin 
or moxifloxacin) and receive a total of 10 days of treatment.  If not, then the subject should 
be discontinued from study drug and appropriate alternative therapy initiated promptly.  
Linezolid or matching placebo cannot be added as study drug therapy subsequent to Day 1.  
Similarly, if local laboratory susceptibility results from the screening cultures reveal 
resistance to a fluoroquinolone or linezolid, the Investigator should assess the subject’s 
clinical status at the time the microbiological results become available.  If at this time the 
subject is demonstrating clear and progressive clinical improvement (e.g., improving 
temperature, respiratory signs and symptoms, etc.), then the subject may remain on blinded 
study drug therapy.  If not, then the subject should be discontinued from study drug and 
appropriate alternative therapy initiated promptly. 
IV to Oral Switch:  Subjects will be permitted to switch from IV to oral study drug if all of 
the following criteria have been met: 

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• Have received at least 6 doses of IV therapy; 
• Are hemodynamically stable, as defined by a normalizing (including return to pre-
pneumonia baseline) heart rate, respiratory rate, systolic blood pressure and oxygen 
saturation; 
• Have a normalizing temperature curve with a maximum temperature in the previous 24 
hours of < 38.0°C (<100.4°F); 
• Have demonstrated improvement in at least 1 severity category (e.g., moderate to mild) in 
at least 2 of 4 cardinal symptoms of CABP 
- 
Dyspnea 
- 
Cough 
- 
Sputum production 
- 
Chest pain; 
• Are able to swallow and absorb oral medications (i.e., normally functioning 
gastrointestinal tract).  
 
The treatment scenarios for IV plus oral study drug are displayed in the tables below.   
Table 1. 
CABP (not caused by MRSA) 
Study Drug 
Regimen 
Duration/Additional Dosing Information 
Lefamulin 
150 mg IV q12h 
Total duration of blinded study drug = 7 days of active treatment. 
Days 1-3 = IV; 
Days 4-7 = IV or PO 
If IV study drug administration is switched to oral, moxifloxacin 
placebo will be administered q24h through Day 7. 
 
600 mg PO q12h 
Moxifloxacin 
400 mg IV q24h 
Total duration of blinded study drug = 7 days of active treatment. 
Days 1-3 = IV; 
Days 4-7 = IV or PO  
Separate, alternating doses of IV placebo will be administered q24h 
such that IV study drug is administered q12h; 
If IV study drug administration is switched to oral, lefamulin placebo 
will be administered q12h through Day 7. 
 
400 mg PO q24h 
NOTE: Subjects with confirmed Staphylococcus aureus bacteremia should have study drug discontinued and 
appropriate alternate therapy should be initiated promptly. If possible, blood samples should be collected for 
microbiological culture prior to switching to alternate therapy. 
 
 
 

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Table 2. 
CABP (MRSA suspected at Baseline and confirmed Post-baseline) 
Study Drug 
Regimen 
Duration/Additional Dosing Information 
Lefamulin 
150 mg IV q12h 
Total duration of blinded study drug = 10 days of active treatment. 
Days 1-3 = IV;  
Days 4-10 = IV or PO 
If IV study drug administration is switched to oral, moxifloxacin 
placebo will be administered q24h until an etiologic pathogen is 
confirmed (see below). 
Linezolid placebo q12h x 10 days (IV Days 1-3, IV or PO Days 4-10) 
 
600 mg PO q12h 
Moxifloxacin 
400 mg IV q24h 
Total duration of blinded study drug = 10 days of active treatment. 
Days 1-3 = IV;  
Days 4-10 = IV or PO 
Separate, alternating doses of IV placebo will be administered q24h 
such that IV study drug is administered q12h. 
If IV study drug administration is switched to oral, lefamulin placebo 
will be administered q12h. 
Linezolid 600 mg q12h x 10 days (IV Days 1-3; IV or PO Days 4-10) 
 
400 mg PO q24h 
NOTE:  If results of baseline respiratory tract cultures do not confirm MRSA as an etiological pathogen, then 
linezolid or matching placebo will be discontinued and the subject will complete 7 days of study drug as shown in 
Table 1 above.   
NOTE: If results of baseline respiratory tract cultures confirm MRSA as an etiological pathogen during the IV 
treatment period, then IV moxifloxacin (for subjects in the moxifloxacin treatment arm) or IV linezolid placebo 
(for subjects in the lefamulin treatment arm) should be discontinued.  If results of baseline respiratory tract cultures 
confirm MRSA as an etiological pathogen after a subject has switched to oral treatment, then oral moxifloxacin 
(for subjects in the moxifloxacin treatment arm) or oral moxifloxacin placebo (for subjects in the lefamulin 
treatment arm) should be discontinued.   
NOTE: Subjects who are confirmed to have Staphylococcus aureus bacteremia should have study drug 
discontinued and appropriate alternate therapy should be initiated promptly.  If possible, blood samples should be 
collected for microbiological culture prior to switching to alternate therapy. 
NOTE:  If a subject is determined to have an infection caused by MRSA plus an organism known to be resistant to 
linezolid, the Sponsor’s medical monitor should be contacted. 
Study Drug Administration: Blinded IV study drug will be administered approximately 
every 12 hours (q12h).  Blinded lefamulin and moxifloxacin study drug doses will be infused 
over approximately 60 minutes.  Blinded linezolid and matching placebo will also be infused 
over approximately 60 minutes.  In subjects with suspected or confirmed MRSA, IV 
lefamulin and IV linezolid placebo or IV moxifloxacin and IV linezolid may be administered 
concurrently if two separate IV lines are used.  If only one IV line is used, IV lefamulin and 
moxifloxacin should always be infused prior to linezolid or matching placebo.  
Every attempt should be made to administer 2 doses of study drug on Study Day 1. On Study 
Day 1, if q12h dosing is not feasible, the 1st and 2nd doses may be administered as close as 8 
hours apart, in order to allow 2 doses to be given on Day 1.  In this circumstance, the 
subject’s dosing schedule should be adjusted on Day 2 to a regular q12h morning and 
evening schedule. Despite this, there may still be instances where it is not possible to 
administer 2 doses on Day 1.  Subjects who receive only a single dose of study drug on Day 
1 will receive their final dose in the morning on either Day 8 (to complete a 7-day course) or 
on Day 11 (to complete a 10-day course).  

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As described above, subjects randomized to the moxifloxacin treatment arm will receive IV 
moxifloxacin alternating with IV placebo to maintain the blind.  Subjects should always 
receive active IV moxifloxacin as the first dose on Day 1.  Subjects who begin therapy in the 
evening on Study Day 1 and whose schedule does not permit a second dose on Day 1 should 
have their dosing schedule adjusted on Day 2, so that active IV moxifloxacin is given as part 
of the morning dosing on all subsequent days.  
Example 1: If a subject begins therapy at 3pm on Day 1, a second dose may be 
given at 11pm on Day 1. The subject’s dosing schedule may then be adjusted 
on Day 2 to a regular q12h schedule (e.g., 8am and 8pm dosing). In this 
scenario, subjects randomized to moxifloxacin will receive active IV 
moxifloxacin at 3pm and IV matching placebo at 11pm on Day 1.  
Example 2: If a subject begins therapy at 5pm on Day 1, it is not possible to 
give a second dose on Day 1 within the 8 hour minimum between doses.  
Therefore, the subject will receive a single dose on Day 1, and then be adjusted 
on Day 2 to a regular q12h dosing schedule (e.g., 6am and 6pm dosing). In this 
scenario, subjects randomized to moxifloxacin will receive active IV 
moxifloxacin at 5pm on Day 1, active IV moxifloxacin again in the morning on 
Day 2 (e.g., 6am) and IV matching placebo in the evening on Day 2 (e.g., 6pm).  
Subjects who require a 7-day course of study drug and who receive only a single 
dose of study drug on Day 1 will receive their final dose on Day 8 (to complete 
a 7-day course.  Subjects who require a 10-day course of study drug and who 
receive only a single dose of study drug on Day 1 will receive their final dose 
in the morning on Day 11 (to complete a 10-day course).  
Blinded oral lefamulin, linezolid, or matching placebo will be administered q12h, while 
blinded oral moxifloxacin or matching placebo will be administered q24h.  Oral 
moxifloxacin (or matching placebo for subjects in the lefamulin treatment arm) will always 
be given as part of the morning dosing.  
NOTE: Every effort should be made to maintain a q12h dosing schedule.  On days when this 
is not feasible doses should be given within 4 hours of the scheduled dosing time (i.e., a 
minimum of 8 hours between doses).  
For oral dosing study drug should be administered at least 1 hour before a meal or 2 hours 
after a meal.  However, in the event that a subject has taken any of the following − antacids 
containing aluminum, products containing iron, or multivitamins containing zinc − study 
drug should be administered 2 hours before or 4 hours after consuming any of these 
medications.  Oral doses should be administered with approximately 240 mL (8 ounces) of 
water.   
Subjects are not required to be hospitalized for entry into the protocol, however, while 
subjects are hospitalized, all doses of study drug will be administered by hospital staff or 
study personnel.  Subjects may receive IV dosing as an outpatient; however, all IV dosing 
should be administered by hospital staff or study personnel (i.e., subjects are not permitted to 
self-administer IV study drug).  In the event a subject is discharged from the hospital during 

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the oral study drug administration period, subjects may self-administer oral study drug at 
home.  The site of care/site of study drug administration (e.g., emergency room, IV infusion 
center, subject’s home, etc.) will be recorded for each IV dose. 
Blinding:  An unblinded pharmacist at the investigative site will prepare and blind all IV 
study drug infusions using an IV bag cover and IV tubing cover.  Oral study drug will be 
blinded using a double-dummy technique.  IV study drug will be administered by an 
unblinded designee(s) at the study site.  Unblinded site personnel who administer study drug 
will not perform other study related procedures or evaluations.  Only blinded study personnel 
will perform study related procedures and evaluations.  Intravenous infusions should be 
administered at a controlled rate (over approximately 60 minutes).  For blinding purposes, in 
subjects receiving linezolid/matching placebo, if an infusion pump with a digital display is 
used, then the unblinded site personnel administering study drug must remain with the 
subject for the duration of the IV linezolid/matching placebo infusion.  
A member(s) of the Sponsor’s Clinical Pharmacology group (or designee) will be unblinded 
to treatment assignment, as appropriate, in order to perform PK/PD assessments.  Sponsor 
representative(s) will be unblinded to treatment assignment in order to review drug 
accountability on an ongoing basis throughout the study.  A Data Monitoring Committee 
(DMC) will review summary safety data by masked treatment group throughout the study. In 
addition, as needed to meet regulatory reporting requirements on a country-by-country basis, 
designated pharmacovigilance personnel may be unblinded to treatment status of individual 
subjects.  In this circumstance, and if there are no other concerns, neither the Sponsor nor the 
clinical site staff will be unblinded to treatment status. 
Study Design:  This multicenter, multinational, randomized, double-blind, double-dummy, 
active-controlled efficacy and safety study in subjects with CABP will be conducted at 
approximately 125 centers.  The planned enrollment is 550 subjects with PORT Risk Class 
≥III.  However, if based upon regulatory requirements additional subjects exposed to 
lefamulin are needed, up to 626 subjects may be enrolled. Eligible subjects will be 
randomized 1:1 to lefamulin or the comparator, moxifloxacin, using an interactive response 
technology (IRT).  Subject randomization will be stratified according to PORT Risk Class 
(Risk Class III vs. IV and V), geographic region (US vs. ex-US), and prior (single dose) 
short-acting antibiotic therapy for CABP vs. none.   
Subjects will be consented for the study prior to study assessments being performed and 
confirmation of eligibility.  Screening assessments will be performed within 24 hours before 
first dose of study drug.   
Subjects will be assessed for response at the following time points during the study: 
• Early Clinical Assessment (ECA):  96 ± 24 hours after the first dose of study drug (i.e., 
after at least 6 doses of study drug have been given) 
• End of Treatment (EOT):  within 2 days after the last dose of study drug (NOTE: every 
attempt should be made to conduct the EOT visit within 1 day after the last dose of study 
drug.  However, if this is not logistically feasible [e.g., visit would need to be conducted 
over a weekend], then conducting the visit within 2 days is acceptable.) 

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• Test of Cure (TOC):  5-10 days after the last dose of study drug  
• Late Follow Up (LFU):  30 days (±3 days) after the first dose of study drug 
 
Assessment of the 4 cardinal symptoms of CABP (dyspnea, cough, purulent sputum 
production and chest pain) will be conducted daily; an assessment at 96 ± 24 hours after the 
first dose of study drug will be used to determine Early Clinical Response (ECR) (as defined 
in the Primary Objective - FDA).  NOTE:  ECR will be determined programmatically based 
upon the Investigator’s assessment of the 4 cardinal symptoms of CABP; the decision to 
maintain the subject on study drug therapy will be made by the Investigator, based on all 
available data and his or her best clinical judgment.  CABP signs and symptoms will be 
assessed in person while subjects are hospitalized.  Outpatients may have signs and 
symptoms assessed daily by telephone; however, they must also have a study site visit 
96 ± 24 hours after the first dose of study drug to assess CABP signs and symptoms in 
person.  
In addition, the Investigator’s Assessment of Clinical Response (IACR) will be performed at 
the EOT, TOC and LFU visits (Success, Failure and Indeterminate at EOT and TOC; 
Sustained Success, Relapse and Indeterminate at LFU).   
Microbiological assessments will be performed at Screening, and throughout the study as 
clinically indicated.  Samples will be taken for Gram’s staining, for diagnostic tests 
(serology, urine antigen tests, molecular tests), and for culture and antimicrobial 
susceptibility testing.   
Safety will be assessed by monitoring vital signs, ECG measurements, safety laboratory 
parameters, and recording of adverse events (AEs).  A Data Monitoring Committee (DMC) 
will review the safety data throughout the study.  
Blood samples for PK analyses will be collected from every subject during administration of 
IV study drug, and in a subset of subjects who are switched from IV to oral study drug. 
Exploratory evaluation of a variety of health utilization variables (e.g., length of hospital 
stay, duration of antibiotic therapy, discharge status, discharge destination) as well as a PRO 
instrument (SF-12) will be performed.   
Overviews of study designs for subjects receiving 7 days of treatment and for subjects 
receiving 10 days of treatment are presented in Figure 1 and Figure 2, respectively.  The 
schedule of assessments/procedures is presented in Table 3. 
Statistical Considerations: 
Sample Size:  Utilizing an anticipated ECR responder rate of 79% in the ITT Analysis Set, 
and a one-sided alpha of 0.025, a sample size of 550 subjects (275 in each treatment group) 
provides >90% power to establish the non-inferiority (NI) of lefamulin to moxifloxacin for 
ECR using a NI margin of 12.5% at the ECA. Assuming an IACR success rate of 80% and 
85% in the mITT and CE-TOC Analysis Sets, respectively, and a clinical evaluability rate of 
80%, there is 80% power for demonstration of NI for IACR at the TOC Visit using a 10% NI 

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margin.  However, if based upon regulatory requirements additional subjects exposed to 
lefamulin are needed, up to 626 subjects may be enrolled.  This sample size provides >95% 
power for demonstration of NI for ECR and 85% power for demonstration of NI for IACR at 
the TOC Visit. 
Treatment Comparison of Interest:  All comparisons will be for lefamulin vs. comparator 
therapy (moxifloxacin ± linezolid). 
Interim Analysis:  In order to ensure that the point estimate of the ECR responder and IACR 
success rates used in the estimation of the sample size are valid for this study, an interim 
analysis for sample size re-estimation will be performed when ECR data at 96 ± 24 hours 
post first dose are available for approximately 60% of randomized subjects (330 subjects).  
An independent statistician will provide the Independent Interim Analysis Committee (IAC) 
with the results of the interim analysis; the IAC will make a recommendation regarding any 
potential increase to the planned sample size.   
Analysis Populations: 
• Intent-to-treat (ITT) Analysis Set:  All randomized subjects regardless of whether or not 
the subject received study drug. A subject is considered randomized when an IRT-
generated randomization number has been assigned. 
• Modified ITT (mITT) Analysis Set: All randomized subjects who receive any amount of 
study drug. Subjects are analyzed based on the randomized (i.e., assigned) treatment 
group. 
• Microbiological ITT (microITT) Analysis Set:  All subjects in the ITT Analysis Set who 
have at least one baseline “typical” bacterial pathogen known to cause CABP, Legionella 
pneumophila from an appropriate microbiological specimen, or who have CABP caused 
by Mycoplasma pneumoniae or Chlamydophila pneumoniae.  
• Clinically Evaluable (CE) Analysis Sets (CE-EOT, CE-TOC, and CE-LFU):  A subset of 
the ITT Analysis Set that will include subjects who meet the criteria for CABP described 
in Inclusion criteria Nos. 3 - 7, and who received at least the pre-specified minimal 
amount of the intended dose of study drug and duration of treatment, do not have an 
indeterminate response based on the IACR (at EOT for the CE-EOT Analysis Set, at 
TOC for the CE-TOC Analysis Set, and at LFU for the CE-LFU Analysis Set), did not 
receive concomitant antibacterial therapy (other than adjunctive linezolid) that is 
potentially effective against CABP pathogens (except in the case of clinical failure) from 
the first dose of study drug through the EOT Visit (CE-EOT Analysis Set), through the 
TOC Visit (CE-TOC Analysis Set) and through the LFU Visit (CE-LFU Analysis Set) 
and for whom there are no other confounding factors that interfere with the assessment of 
the outcome.  
• Microbiologically Evaluable (ME) Analysis Sets (ME-EOT, ME-TOC, and ME-LFU):  
Subjects who meet the criteria for both the microITT and the CE-EOT (ME-EOT) 
Analysis Set, the CE-TOC (ME-TOC) Analysis Set, or CE-LFU (ME-LFU) Analysis Set.  

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• Safety Analysis Set:  All randomized subjects who receive any amount of study drug. 
Subjects are analyzed based on the study drug actually received. All safety analyses will 
be conducted in this population. 
• Pharmacokinetic Analysis Set:  All subjects who receive any amount of study drug will 
be included in the formal analysis of PK parameters providing they have at least 1 
evaluable PK sample. 
Variables for Analysis 
Primary Efficacy Analysis Variable 
• Proportion of Responders for ECR at 96 ± 24 hours following the first dose of study drug 
in the ITT Analysis Set (FDA)  
− Subjects will be programmatically defined as a Responder if the following 4 criteria 
are met: 
◦ 
Alive 
◦ 
Improvement in at least 2 of the 4 cardinal symptoms of CABP (see Section 6.10) 
the subject presented with at Baseline. Improvement is defined as a decrease by at 
least 1 level of severity. 
◦ 
No worsening of any of the 4 cardinal symptoms of CABP. Worsening is defined 
as an increase by at least 1 level of severity of any symptom. 
◦ 
Did not receive a concomitant antibiotic (other than adjunctive linezolid) for the 
treatment of CABP. 
− Subjects will be programmatically defined as a Non-Responder if any of the 
following criteria are met: 
◦ 
Did not show an improvement in at least 2 of the 4 cardinal symptoms of CABP 
the subject presented with at Baseline. Improvement is defined as a decrease by at 
least 1 level in severity; or 
◦ 
Worsening of any of the 4 cardinal symptoms of CABP. Worsening is defined as 
an increase by at least 1 level in severity for any symptom; or 
◦ 
Received a concomitant antibiotic (other than adjunctive linezolid) for the 
treatment of CABP; or 
◦ 
Died from any cause. 
- Subjects will be programmatically defined as an Indeterminate if the following 
criterion is met: 
◦ 
The symptom data are missing such that a response or non-response cannot be 
determined. 
 
• Proportion of subjects with an IACR of Success at TOC in the mITT and CE-TOC 
Analysis Sets (IACR definitions are provided below) (Primary for EMA and secondary 
for FDA) 

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- 
Success:  The subject’s clinical signs and symptoms have resolved or improved such 
that no additional antibacterial therapy is administered for the treatment of the current 
episode of CABP. 
- 
Failure:  A subject is a treatment failure if any of the following is met:  
◦ 
Signs and symptoms of CABP have not resolved, not improved, or have worsened 
such that non-study antibacterial therapy is administered for the treatment of the 
current episode of CABP. 
◦ 
Measures of inflammation such as temperature or elevated WBC have worsened 
or failed to improve such that non-study antibacterial therapy is administered for 
treatment of the current episode of CABP. 
◦ 
Bacteremia has worsened or failed to improve resulting in administration of non-
study antibacterial therapy. 
◦ 
The occurrence of an AE requiring discontinuation of study drug and institution 
of non-study antibacterial therapy for the treatment of the current episode of 
CABP. 
◦ 
Death from any cause. 
- 
Indeterminate: Insufficient information is available to determine Success or Failure, 
specifically lost to follow-up. 
Secondary Efficacy Analysis Variables 
Efficacy will be assessed by ECR, IACR and by Microbiological Response.  
Microbiological Assessment 
The By-Pathogen Microbiological Response will be assessed using the categories for 
outcome in the microITT and ME analysis sets as follows:  
• Success includes: 
- 
Eradication:  the baseline causative pathogen was absent from repeat culture(s). 
- 
Presumed Eradication:  the IACR was Success, and culture was not repeated.  
• Failure includes: 
- 
Persistence:  the baseline causative pathogen was isolated in repeat culture(s).  
- 
Presumed Persistence:  the IACR was Failure and a culture was not repeated. 
• Indeterminate:  
- 
The IACR was Indeterminate, and culture was not repeated. 
 
Safety Analysis Variables 
Safety will be assessed by monitoring vital signs, ECG measurements, clinical laboratory 
parameters, and AEs. 

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Pharmacokinetic Analysis Variables 
Population PK modeling will be performed to determine the model-predicted plasma 
concentration time curves of lefamulin for each subject.  Calculated PK parameters will 
enable descriptive statistical analysis of PK variables such as the maximum observed drug 
concentration (Cmax) and area under the concentration-time curve (AUC) for lefamulin.  
Individual 24 h AUC values from Day 1 obtained from the population PK model will be used 
for the PK/PD analysis focusing on efficacy.  The PK analysis based on population PK as 
well as a PK/PD analysis will be reported separately. 
Other Variables 
Exploratory evaluation of a variety of health utilization variables (e.g., length of hospital 
stay, duration of antibiotic therapy, discharge status, discharge destination) as well as a PRO 
instrument (SF-12) will be performed. 
Statistical Methods: 
A 2-sided unstratified 95% confidence interval (CI) for the observed difference between 
treatment groups (lefamulin minus moxifloxacin) in ECR responder rates at 96 ± 24 hours 
post first dose will be calculated using a continuity corrected Z-statistic.  Non-inferiority for 
the primary efficacy analysis variable (FDA) will be concluded if the lower limit of the 
2-sided 95% CI is greater than –12.5% in the ITT Analysis Set. 
For the efficacy outcome measure of IACR of Success at TOC in the mITT and CE-TOC 
Analysis sets, unstratified 95% CI will be calculated using a continuity corrected Z-statistic 
(FDA secondary efficacy outcome).  For the primary analysis for the EMA, a stratified 
2-sided 95% CI will be calculated using the method of Miettinen and Nurminen.  Non-
inferiority for the primary efficacy analysis variable (EMA) will be concluded if the lower 
limit of the 2-sided stratified 95 % CI is greater than −10% for both the mITT and CE-TOC 
Analysis Sets. 
The number and percentage of subjects with an ECR of Responder at 96 ± 24 hours will also 
be presented for the microITT Analysis Set, and a 2-sided unstratified 95% CI for the 
difference in responder rate will be calculated using a continuity-corrected Z-statistic.  
However, the formal test of NI will be conducted in the weighted (based on the inverse 
variance of each effect size) pooled population from this study and a second study in CABP.  
The incidence of treatment-emergent AEs (TEAEs), serious AEs (SAEs), deaths, and 
discontinuations of study drug due to an AE or SAE will be summarized by System Organ 
Class (SOC) and Preferred Term according to the Medical Dictionary for Regulatory 
Activities (MedDRA), by relationship to study drug, and by severity.  The incidence of 
potentially clinically significant laboratory results, vital signs, and ECGs will be summarized. 

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Figure 1. 
Study Design Overview − CABP not caused by MRSA 
 
 
 
 
Figure 2. 
Study Design Overview − MRSA Suspected at Baseline and 
Confirmed Post-baseline 
 
 

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Table 3. 
Schedule of Assessments and Procedures 
Assessment or Procedure 
Screening/ 
Baseline a 
Study Drug Administration 
Follow-up 
Day 1 b 
Day 2 
Day 3 
Days 4 to 7c 
[Days 4 to 10]d 
EOT e 
TOC f 
LFU g 
Informed consent form completed h 
X 
 
 
 
 
 
 
 
Verify inclusion/exclusion criteria 
X 
 
 
 
 
 
 
 
Medical and surgical history 
X 
 
 
 
 
 
 
 
Determine PORT Risk Class 
X 
 
 
 
 
 
 
 
Urine sample for L. pneumophila and S. pneumoniae antigen tests 
X 
 
 
 
 
 
 
Height and weight 
X 
 
 
 
 
 
 
 
Randomization i 
X 
 
 
 
 
 
 
Prior and concomitant medications 
X 
X 
X 
X 
Daily c,d 
X 
X 
X 
Vital signs including oxygen saturation and supplemental oxygen j 
X 
X 
X 
X 
Daily c,d 
X 
X 
 
CABP signs and symptoms k 
X 
X 
X 
X 
Daily c,d 
X 
X 
X 
AEs and SAEs l 
X 
X 
X 
X 
Daily c,d 
X 
X 
X 
12-lead ECG m 
X 
X 
 
X 
 
 
 
 
Physical examination n 
X 
 
 
 
Day 4 c,d 
X 
X 
 
Hematology, clinical chemistry, urinalysis and procalcitonin o 
X 
 
 
 
Day 4 c 
[Day 4 & 7] d 
X 
X 
 
Urine and serum pregnancy tests p 
X 
 
 
 
 
 
 
 
Blood sample for serologic tests for M. pneumoniae, C. pneumoniae, and L. pneumophila q 
X 
 
 
 
 
 
 
X 
CXR or CT scan 
X 
if clinically indicated c,d 
Arterial blood gases (PaO2, PaCO2) and pH r 
if clinically indicated c,d 
Calculate CrCl (Cockcroft-Gault formula) 
X 
if clinically indicated c,d 
Blood sample for culture s 
X 
if clinically indicated c,d 
Respiratory sample for Gram’s stain and culture t 
X 
if clinically indicated c,d 
Frozen oropharyngeal sample u 
X 
 
 
 
 
 
 
 
Nasopharyngeal sample v 
X 
 
 
 
 
 
 
 
Administer PRO instrument (SF-12 questionnaire) 
X 
 
 
 
 
 
X 
 
Study drug administration w 
 
X 
X 
X 
Daily c,d 
 
 
 
Blood samples for PK analyses x 
 
 
 
X 
(X) optional c,d 
 
 
 
Evaluate feasibility of switch to oral administration of study drug 
 
 
 
 
Daily c,d 
 
 
 
Investigator’s Assessment of Clinical Response (IACR) y 
 
 
 
 
 
X 
X 
X 
Pleural fluid and/or bronchoalveolar lavage (BAL) sample for Gram’s stain and culture z 
if clinically indicated c,d 
NOTE:  Hospitalization is not a requirement for this study.  However, all subjects, including Outpatients, must be evaluated in person by study personnel at the following time points/visits:  
Screening/Baseline; Day 1; during each IV administration, 96 ± 24 hours after the first dose of study drug; End of Treatment (EOT); Test of Cure (TOC); and Late Follow-up (LFU). 

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a: 
Perform Screening/Baseline assessments within 24 hours before first dose of IV study drug.  Administration of study drug should begin as soon as possible after the diagnosis of CABP. 
Assessments performed as part of routine standard of care prior to consent (e.g., chest X-ray, blood culture) may be used to satisfy study screening requirements; however, no study specific 
procedures may be performed prior to informed consent.  
b: 
Day 1 is the first day of study drug administration; subsequent study days are consecutive calendar days.  
c: 
Days 4 to 7:  Subjects receiving 7 days of randomized study drug. 
d: 
[Days 4 to 10:  Subjects receiving 10 days of randomized study drug.] 
e: 
Perform EOT assessments at the study site within 2 days (1 day preferred) after the last dose of study drug or at the time of premature discontinuation of study drug or early withdrawal from 
study.  EOT assessments resulting from premature discontinuation of study drug should be done in place of the regular study visit on Days 1 to 7 (or Days 1 to 10, as applicable). 
f: 
Perform TOC assessments at the study site 5–10 days after the last dose of study drug.  All subjects will have a TOC Visit irrespective of early clinical failure or receipt of an alternative 
antibiotic. 
g: 
Perform LFU assessments at the study site on Day 30 ± 3 days.  All subjects will have a LFU Visit irrespective of early clinical failure or receipt of an alternative antibiotic.  
h: 
Obtain informed consent before initiating any study assessments or procedures. 
i: 
Randomization may occur at either Screening or on Day 1 prior to receipt of the first dose of study drug. 
j: 
Record vital signs (heart rate, blood pressure, respiratory rate, body temperature), O2 saturation, and supplemental oxygen usage daily on days the subject is seen in person (i.e., at baseline, daily 
while the subject is hospitalized [record vital signs associated with highest temperature], daily while the subject is on IV therapy, at in-person visits while the subject is taking oral study drug as 
an outpatient), and at EOT and TOC.  Record vital signs, O2 saturation, and supplemental oxygen usage at LFU if medically indicated.  If Screening and Day 1 occur on the same day, vital signs 
should be obtained as part of the Screening evaluation (prior to administration of any study drug) and repeated as part of the Day 1 assessment (record the vital signs associated with the highest 
temperature post dosing).  If EOT and the last day of study drug are the same day, vital signs do not need to be repeated, they may be recorded once on that day (i.e., as part of the EOT 
assessment). 
k: 
Evaluate signs and symptoms of CABP at baseline, daily while receiving study drug and at EOT, TOC, and LFU.  Signs and symptoms are not obtained at TOC or LFU if the subject was 
previously deemed to have an IACR of Failure.  Subjects who are receiving medication at home may be contacted by phone to track signs and symptoms of CABP if an in-person assessment is 
not required or planned for that day.  EXCEPTION:  Subjects must have a visit at the study site that is 96 ± 24 hours after the first dose of study drug to assess CABP signs and 
symptoms for calculation of ECR.  Study personnel will inform subjects as to the timing of this visit.  If Screening and Day 1 are the same day, signs and symptoms of CABP do not need 
to be repeated on Day 1.  If EOT and the last day of study drug are the same day, signs and symptoms of CABP should be done only once on that day (i.e., as part of the EOT assessment).  
l: 
Record AEs from the signing of the ICF through TOC and SAEs from signing of the ICF through LFU.  Study personnel will follow unresolved AEs and SAEs present at LFU until resolution or 
stabilization. 
m: At each required time point, ECGs should be recorded in triplicate within a 5-minute interval.  The subject should be stabilized in a supine position for 5 min before recording the ECG.  
Record ECGs at Screening.  On Day 1 and Day 3 record ECGs prior to the first infusion of study drug on that day and within 15 minutes after the end of the first infusion on that day. If 
Screening and Day 1 are on the same day, the Screening ECG can serve as the Day 1 ECG prior to the first infusion of study drug.  Additional ECG’s may be performed if clinically indicated. If 
at any time the subject demonstrates an average QTcF value >500 ms (mean of 3 ECG’s at any time point), or an average QTcF value >480ms with a concurrent increase in average QTcF value 
of > 60 ms (mean of 3 post-dose ECGs compared to mean pre-dose ECG’s taken on that day) study drug will be discontinued.  
n: 
A complete physical examination is performed at baseline and directed physical examinations are performed on Day 4 (Day 3 is acceptable for outpatients who are not able to return on Day 4) 
and at EOT and TOC.  
o: 
For all subjects, collect blood and urine at Screening, Day 4 (Day 3 is acceptable for outpatients who are not able to return on Day 4), EOT, and TOC.  In addition, for subjects receiving 10 days 
of study drug, collect blood and urine on Day 7 (Day 8 is acceptable for outpatients who are not able to return on Day 7).  Subjects treated as outpatients must agree to return to the site for blood 
draws.  Collect blood and/or urine at LFU only if subject had an abnormal (high/low flag) result at TOC.  Blood samples sent to the local laboratory for the purposes of determining study 
eligibility must be repeated and sent to the central laboratory following enrollment.  
p: 
A pregnancy test will be performed on all females unless surgically sterile or at least 2 years post-menopausal.  A negative urine pregnancy test is required prior to randomization and must be 
confirmed as soon as possible using a serum pregnancy test. 
q: 
Blood to be collected and sent to central laboratory for serologic tests for M. pneumoniae, C. pneumoniae and L. pneumophila at Screening and LFU.   
r: 
Record arterial blood gas and blood pH data if available.  Study sites are not required to measure arterial blood gas or blood pH.  
s: 
Collect blood samples (2 sets via peripheral venipuncture) for microbiologic culture and susceptibility testing at the local/regional lab at Screening and as clinically indicated during the study.  
Repeat blood cultures after a positive result until sterilization is documented.  If possible, subjects who are discontinued from study drug due to confirmed MRSA or MSSA bacteremia should 
have blood samples collected for microbiologic culture prior to switching to alternate appropriate therapy. All organisms isolated from blood cultures which are not considered contaminants will 
be sent to the central laboratory for confirmatory identification and susceptibility testing. 

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t: 
All lower respiratory tract and expectorated sputum samples (including the Screening sample) should be sent to the local/regional laboratory for Gram’s stain, culture and susceptibility testing.  If 
a subject is unable to produce an adequate (> 25 polymorphonuclear [PMN] cells AND < 10 squamous epithelial cells per LPF) sputum sample at Screening, a specimen should be obtained, if 
possible, within 24 hours after the first dose of study drug.  Gram’s stain and culture results from the local/regional laboratory will be recorded in the eCRF.  Slides (stained and unstained) will 
also be sent to the central laboratory for a confirmatory reading of the Gram’s stain. If possible, subjects who are discontinued from study drug due to clinical failure should have repeat cultures 
collected for microbiologic culture prior to switching to alternate appropriate therapy. All organisms isolated from sputum samples, which are not considered contaminants, will be sent to the 
central laboratory for confirmatory identification and susceptibility testing.  In addition, a portion of all sputum samples must be frozen until sent to the central laboratory for PCR. Subjects with 
a positive urinary antigen will also have isolation of L. pneumophila performed at the central laboratory on the frozen sputum.  
u: 
An oropharyngeal specimen (2 swabs) will be collected and frozen until sent to the central laboratory. The oropharyngeal specimen will be used for culture of M. pneumoniae and identification 
by PCR.   
v: 
A nasopharyngeal specimen will be collected and frozen until sent to the central laboratory.  The nasopharyngeal specimen will be used for culture of S. pneumoniae and identification by PCR.   
w: Study drug should be administered approximately the same time each day.  On days when this is not feasible, doses should be given within 4 hours of the scheduled dosing time (i.e., a minimum 
of 8 hours between doses).  Subjects who receive only a single dose of study drug on Day 1 will receive their final dose in the morning on either Day 8 (to complete a 7-day course) or on Day 11 
(to complete a 10-day course).  Administration of study drug may occur on the same calendar day as EOT, and if so will be completed before EOT assessments begin.  
x: 
Collect blood for PK analysis in association with the morning dose of IV study drug on Day 3.  Collect blood for PK samples within 1 h before administration of IV study drug, within 10 minutes 
following completion of the infusion, at 2–4 h after infusion, and at 8–12 h after the infusion.  In subjects who agree via written consent, and for whom collection is logistically feasible, blood for 
PK analysis will be collected in association with the first morning dose of oral study drug.  Blood will be collected within 1 h prior to dose, 1–3 h after dose, and 4–8 h after dose.  Since blood 
collection is required both before and after the first morning oral dose, outpatients should be instructed to not take their first morning dose of oral study drug at home, rather to bring all blister 
packs (used and unused) to the study site.  Following collection of the pre-dose blood sample, subjects will take their dose of study drug under supervision of study personnel, and subsequent PK 
blood samples will be collected.   
y: 
Investigator to determine IACR - Success, Failure or Indeterminate (i.e., subject lost to follow up) at EOT and TOC and Sustained Success, Relapse or Indeterminate at LFU.  The Investigator 
will not determine Clinical Response at TOC or LFU if the subject was previously deemed to have an IACR of Failure. 
z: 
Collect pleural fluid samples and/or BAL only if medically indicated.  Gram’s stain samples, culture, and test the isolated pathogens for susceptibility.  Pathogens isolated from pleural fluid 
and/or BAL samples will be sent to the central laboratory for confirmatory identification and susceptibility testing. If possible, pleural fluid samples should be incubated in blood culture bottles 
for optimal pathogen recovery. 
 

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LIST OF ABBREVIATIONS AND DEFINITIONS OF TERMS 
Abbreviation 
Definition 
24 h AUC/MIC 
24 h area under the drug concentration–time curve over the MIC 
ABG 
Arterial blood gas 
ACM 
All-cause mortality 
ABPI 
Association of British Pharmaceutical Industry 
ABSSSI 
Acute bacterial skin and skin structure infection 
ADME 
Absorption, Distribution, Metabolism, and Elimination 
AE 
Adverse event 
AGP 
α1-acid glycoprotein 
ALT 
Alanine aminotransferase 
APAC 
Asia Pacific 
AST 
Aspartate aminotransferase 
ATS 
American Thoracic Society 
AUC 
Area under the drug concentration–time curve 
AUC0–12h 
AUC from time zero to 12 h 
AUC0–24h 
AUC from time zero to 24 h 
AUC0-inf 
AUC from time zero to infinity 
BAL 
Bronchoalveolar Lavage 
BP 
Blood pressure 
C 
Celsius 
CABP 
Community-acquired bacterial pneumonia 
CA-MRSA 
Community-acquired MRSA 
CBC 
Complete blood count 
CDC 
Centers for Disease Control and Prevention 
CE 
Clinically Evaluable 
CE-EOT 
Clinically Evaluable at End-of-Treatment 
CE-TOC 
Clinically Evaluable at Test-of-Cure 
CFR 
Code of Federal Regulation 
CFU 
Colony Forming Unit 
CI 
Confidence interval 
Cmax 
Maximum observed plasma concentration 
Cmin 
Minimum observed plasma concentration 
CNS 
Central Nervous System 
CrCl 
Creatinine clearance 
CS 
Clinically significant 
CT 
Computerized tomography 
CXR 
Chest x-ray 
CV [%] 
Coefficient of variation [%] 
CYP3A4 
Cytochrome P450 3A4 

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Abbreviation 
Definition 
DMC 
Data Monitoring Committee 
ECA 
Early Clinical Assessment 
ECG 
Electrocardiogram 
ECR 
Early Clinical Response 
eCRF 
Electronic Case Report Form 
EDC 
Electronic Data Capture 
ELF 
Epithelial Lining Fluid 
EMA 
European Medicines Agency 
EOT 
End-of-Treatment 
ESBL 
Extended-spectrum β-lactamase  
EU 
European Union 
F 
Fahrenheit 
fAUC 
Area under the concentration-time curve of the unbound fraction of the drug 
FDA 
US Food and Drug Administration  
GCP 
Good Clinical Practice 
hERG 
Human ether a go go related Gene 
HIPAA 
Health Insurance Portability and Accountability Act 
HR 
Heart rate 
IAC 
Interim Analysis Committee 
IACR 
Investigator’s Assessment of Clinical Response 
IC50 
Half-maximal inhibitory concentration 
ICF 
Informed Consent 
ICH 
International Conference on Harmonization 
ICU 
Intensive Care Unit  
IDSA 
Infectious Diseases Society of America 
IEC 
Independent Ethics Committee 
INR 
International normalized ratio  
IRB 
Institutional Review Board 
IRT 
Interactive Response Technology 
ITT 
Intent-to-Treat 
IV 
Intravenous 
JP 
Japanese Pharmacopoeia 
K3EDTA 
Tripotassium ethylene diamine tetraacetic acid 
LFU 
Late Follow-up 
LLQ 
Lower limit of quantification  
LPF 
Low power field 
MAA 
Marketing Authorization Application 
ME 
Microbiologically Evaluable 
MedDRA 
Medical Dictionary for Regulatory Activities 
ME-EOT 
Microbiologically Evaluable at End-of-Treatment 

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Abbreviation 
Definition 
ME-TOC 
Microbiologically Evaluable at Test-of-Cure 
Mg 
Milligram 
MIC 
Minimum inhibitory concentration  
MIC90 
Concentration of drug required to inhibit growth of 90% of pathogens 
microITT 
Microbiological Intent-to-Treat 
mITT 
Modified Intent-to-Treat 
mL 
Milliliter 
Mm 
Millimeter 
mmHg 
Millimeter of mercury 
MRSA 
Methicillin-resistant Staphylococcus aureus 
Ms 
Millisecond 
MSSA 
Methicillin-susceptible Staphylococcus aureus 
N 
Group size, number of replicates 
NaCl 
Sodium chloride 
NCS 
Not clinically significant 
NI 
Non-inferiority 
NOAEL 
No Adverse Effect Level  
O2 
Oxygen 
Pa O2 
Partial Pressure of Arterial Oxygen 
PCR 
Polymerase Chain Reaction 
PCS 
Potentially clinically significant 
PD 
Pharmacodynamic 
p-gp 
p-glycoprotein 
Ph. Eur. 
European Pharmacopoeia 
PK 
Pharmacokinetic 
PO 
By mouth (oral) 
PORT 
Pneumonia Outcomes Research Team 
PRO 
Patient-reported outcome 
PT 
Prothrombin time 
PTT 
Partial thromboplastin time  
PVG 
Pharmacovigilance 
q12h 
Every 12 hours  
q24h 
Every 24 hours  
QA 
Quality Assurance 
QTc 
QT interval corrected for heart rate 
QTcF 
QT interval corrected according to Fridericia 
ΔQTcF 
QTcF change from baseline 
rRNA 
Ribosomal ribonucleic acid 
RTI 
Respiratory tract infection 
SAE 
Serious Adverse Event 

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Abbreviation 
Definition 
SAP 
Statistical Analysis Plan 
SENTRY 
SENTRY Antimicrobial Surveillance Program 
SPC 
Summary of Product Characteristics 
SSRI 
Selective Serotonin Re-uptake Inhibitor 
STD 
Sexually Transmitted Diseases  
SUSAR 
Suspected Unexpected Serious Adverse Event 
T > MIC 
Time plasma concentration exceeds the MIC 
t1/2 
Half-life 
TEAE 
Treatment-emergent adverse event 
TOC 
Test-of-Cure 
tRNA 
Transfer ribonucleic acid 
ULN 
Upper Limit of Normal 
US 
United States  
USP 
United States Pharmacopeia 
VRE 
Vancomycin-resistant enterococcus 
WBC 
White Blood Cell Count  
NOTE:  Table includes a comprehensive list of abbreviations used in lefamulin regulatory documents. 
 
 
 

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TABLE OF CONTENTS 
SPONSOR-RELATED CONTACT DETAILS ........................................................................2 
PROTOCOL REVIEW AND APPROVAL FORM ..................................................................3 
INVESTIGATOR SIGNATURE PAGE ...................................................................................4 
AMENDMENT 3:  15 MARCH 2016 .......................................................................................6 
AMENDMENT 2: 
  04 MARCH 2016 ...............................................................................6 
AMENDMENT 1:  06 OCTOBER 2015 .................................................................................18 
SYNOPSIS ...............................................................................................................................22 
LIST OF ABBREVIATIONS AND DEFINITIONS OF TERMS ..........................................42 
TABLE OF CONTENTS .........................................................................................................46 
1 
INTRODUCTION ...........................................................................................................50 
1.1 
Background of the Disease and Treatment Options ..............................................50 
1.2 
Background on Lefamulin and the Pleuromutilins ................................................51 
1.3 
Mechanism of Action and Non-Clinical Pharmacology ........................................51 
1.4 
Nonclinical Pharmacokinetics and Safety .............................................................53 
1.5 
Summary of Clinical Data .....................................................................................55 
1.5.1 
Pharmacokinetics in Humans .......................................................................55 
1.5.2 
Efficacy ........................................................................................................56 
1.5.3 
Safety ...........................................................................................................56 
2 
STUDY OBJECTIVES ....................................................................................................58 
2.1 
Primary Objectives.................................................................................................58 
2.2 
Secondary Objectives.............................................................................................58 
2.3 
Additional Objectives ............................................................................................58 
3 
STUDY DESIGN.............................................................................................................59 
3.1 
Study Rationale ......................................................................................................60 
4 
STUDY POPULATION ..................................................................................................61 
4.1 
Inclusion Criteria ...................................................................................................61 
4.2 
Exclusion Criteria ..................................................................................................62 
5 
STUDY DRUG ADMINISTRATION ............................................................................65 
5.1 
Selection of Lefamulin Doses ................................................................................65 
5.2 
Selection of Comparator ........................................................................................66 
5.3 
Adjunctive Treatment with Linezolid ....................................................................66 
5.4 
Randomization .......................................................................................................67 
5.5 
Study Drug Treatment............................................................................................67 
5.5.1 
Duration of Treatment..................................................................................67 
5.5.2 
Post-Baseline Treatment Modifications .......................................................67 
5.5.3 
Optional Switch to Oral Study Drug ............................................................69 
5.5.4 
Treatment Scenarios.....................................................................................69 

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5.6 
Timing of Dosing and Dose Administration ..........................................................71 
5.7 
Preparation of Infusions .........................................................................................72 
5.8 
Blinding..................................................................................................................73 
5.9 
Unblinding of Therapy Assignments .....................................................................74 
5.10 
Adherence ..............................................................................................................74 
5.11 
Occupational Safety ...............................................................................................74 
6 
STUDY ASSESSMENTS AND PROCEDURES ...........................................................75 
6.1 
Medical/Surgical History and Physical Examination ............................................75 
6.2 
PORT Risk Class Assessment ...............................................................................75 
6.3 
Electrocardiograms ................................................................................................76 
6.4 
Vital Signs and Oxygen Saturation ........................................................................77 
6.5 
Chest X-Ray or CT Scan........................................................................................77 
6.6 
Arterial Blood Gases ..............................................................................................77 
6.7 
Prior and Concomitant Medications ......................................................................77 
6.7.1 
Prior Medications .........................................................................................78 
6.7.2 
Concomitant Medication ..............................................................................78 
6.8 
Prohibited Medications ..........................................................................................78 
6.9 
Nonpharmacologic Treatments and Procedures ....................................................79 
6.10 
Assessment of Clinical Signs and Symptoms of CABP ........................................79 
6.11 
Investigator’s Assessment of Clinical Response (IACR) ......................................81 
6.11.1 
Investigator’s Assessment of Clinical Response (IACR) at End of 
Treatment and Test of Cure .........................................................................81 
6.11.2 
Investigator’s Assessment of Clinical Response (IACR) at Late Follow 
Up .................................................................................................................82 
6.12 
Clinical Laboratory Tests (Safety) .........................................................................82 
6.13 
Sample Collection for Pharmacokinetic Analysis .................................................83 
6.13.1 
Sample Collection Methodology .................................................................84 
6.13.2 
Assay Methodology .....................................................................................84 
6.14 
Microbiological Assessment ..................................................................................84 
6.14.1 
Sputum Samples...........................................................................................84 
6.14.2 
Bronchoalveolar Lavage Samples (BAL) ....................................................85 
6.14.3 
Pleural Fluid Samples ..................................................................................85 
6.14.4 
Blood Cultures .............................................................................................85 
6.14.5 
Serological Testing ......................................................................................86 
6.14.6 
Urine Antigen Test .......................................................................................86 
6.14.7 
Oropharyngeal Specimen .............................................................................86 
6.14.8 
Nasopharyngeal Specimen ...........................................................................86 
6.15 
Health Utilization and Patient Reported Outcome.................................................86 
6.16 
Food and Beverage Restrictions ............................................................................86 

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6.17 
Discontinuation from Treatment or Study .............................................................87 
6.17.1 
Discontinuation from Treatment ..................................................................87 
6.17.2 
Discontinuation from Study .........................................................................88 
6.17.3 
Individual Stopping Criteria ........................................................................88 
6.17.4 
Lost to Follow-up .........................................................................................88 
7 
ADVERSE EVENTS .......................................................................................................89 
7.1 
Assessment of Severity (Intensity) ........................................................................90 
7.2 
Assessment of Relationship to Study Drug ...........................................................90 
7.3 
Serious Adverse Events .........................................................................................90 
7.4 
Symptoms of the Disease Under Study .................................................................92 
7.5 
Other Reportable Events ........................................................................................92 
8 
DRUG SUPPLIES ...........................................................................................................93 
8.1 
Lefamulin (BC-3781).............................................................................................93 
8.2 
Moxifloxacin ..........................................................................................................93 
8.3 
Linezolid ................................................................................................................94 
8.4 
Placebo ...................................................................................................................94 
8.5 
Packaging and Labeling .........................................................................................94 
8.6 
Storage of Study Drugs ..........................................................................................94 
8.7 
Product Accountability ..........................................................................................95 
9 
STATISTICAL ANALYSIS ...........................................................................................95 
9.1 
Treatment Comparison of Interest .........................................................................96 
9.2 
Sample Size Determination....................................................................................96 
9.3 
Analysis Populations ..............................................................................................97 
9.3.1 
Intent-to-Treat Analysis Set (ITT) ...............................................................97 
9.3.2 
Modified Intent-to-Treat Analysis Set (mITT) ............................................97 
9.3.3 
Safety Analysis Set ......................................................................................97 
9.3.4 
Microbiological Intent-to-Treat Analysis Set (microITT) ...........................97 
9.3.5 
Clinically Evaluable Analysis Set ................................................................98 
9.3.6 
Microbiologically Evaluable Analysis Set ...................................................98 
9.3.7 
Pharmacokinetic Analysis Set......................................................................98 
9.4 
Criteria for Evaluation ...........................................................................................98 
9.4.1 
Primary Efficacy Analysis Variable ............................................................98 
9.4.2 
Secondary Efficacy Analysis Variables .......................................................99 
9.4.2.1 
Clinical Outcome ...............................................................................99 
9.4.2.2 
Microbiological Assessment ..............................................................99 
9.4.3 
Safety Analysis Variables ..........................................................................100 
9.4.4 
Pharmacokinetic Analysis Variables .........................................................100 
9.4.5 
Other Variables ..........................................................................................101 
9.5 
Demographic and Baseline Characteristics .........................................................101 

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9.6 
Efficacy Analysis .................................................................................................101 
9.6.1 
Primary Efficacy Analysis .........................................................................101 
9.6.2 
Secondary Efficacy Analyses ....................................................................102 
9.6.3 
Additional Efficacy Analyses ....................................................................103 
9.7 
Safety Analysis ....................................................................................................104 
9.8 
Handling of Missing Data ....................................................................................104 
9.9 
Interim Analysis and Independent Interim Analysis Committee (IAC) ..............105 
9.10 
Pharmacokinetic Analyses ...................................................................................106 
9.11 
Health Utilization Variables and Patient Reported Outcome ..............................106 
10 STUDY MONITORING ...............................................................................................106 
10.1 
Clinical Monitoring ..............................................................................................106 
10.2 
Independent Data Monitoring Committee (DMC) ..............................................106 
11 IEC/IRB APPROVAL ...................................................................................................107 
12 ETHICAL CONDUCT OF THE STUDY .....................................................................107 
13 INFORMED CONSENT ...............................................................................................107 
14 QUALITY ASSURANCE/QUALITY CONTROL ......................................................108 
15 DATA HANDLING AND RECORD KEEPING .........................................................108 
15.1 
Data Handling ......................................................................................................108 
15.2 
Subject Confidentiality ........................................................................................109 
15.3 
Computer Systems ...............................................................................................109 
15.4 
Data Entry ............................................................................................................110 
15.5 
Data Validation ....................................................................................................110 
15.6 
Record Keeping ...................................................................................................110 
16 TERMINATION OF STUDY .......................................................................................111 
17 FINANCING AND INSURANCE ................................................................................111 
18 PUBLICATION POLICY .............................................................................................111 
19 LIST OF REFERENCES ...............................................................................................113 
20 APPENDICES ...............................................................................................................118 
 
 

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1 
INTRODUCTION 
1.1 
Background of the Disease and Treatment Options  
Community-acquired bacterial pneumonia (CABP) is a commonly occurring serious 
infection that requires systemic antibiotic therapy and is associated with substantial 
morbidity, mortality, and considerable healthcare costs.  It is the leading cause of death from 
infectious diseases in the United States (US) and, when combined with influenza, remains the 
eighth leading cause of death in the US (CDC, 2013).  In Europe, there are 44 cases of CABP 
for every 1000 patients treated in a single general practice (Lim et al., 2009), while in the US, 
5.6 million cases of CABP lead to as many as 1.1 million hospitalizations and >53,000 
deaths annually (CDC, 2013). 
Community-acquired bacterial pneumonia is more common in the elderly, with an incidence 
that is 2- to 4-times greater in those >60 years of age than in those ≤50 years.  The mortality 
rate in the US and Europe is <1% for individuals with CABP that do not require 
hospitalization; however, the average mortality rate is 12% to 14% among those hospitalized 
(Fine et al., 1996; Fine et al., 1997; Lim et al, 2009).  Individuals who are admitted to the 
intensive care unit (ICU), who are bacteremic, or who are admitted from a nursing home, 
have a mean mortality rate of 30% to 40% (Mandell et al., 2007; Lim et al., 2009). 
The most common organisms of CABP identified by culture include 
Streptococcus pneumoniae, Haemophilus influenzae, Staphylococcus aureus, Moraxella 
catarrhalis, and selected Gram-negative pathogens.  The incidence of CABP due to atypical 
pathogens — Mycoplasma pneumoniae, Chlamydophila pneumoniae, and Legionella 
pneumophila — lies between 20% and 28% depending on the region (Arnold et al., 2007). 
The emergence of pathogens resistant to antimicrobials has become an increasingly 
complicating factor in the selection of empiric therapy for CABP.  Antimicrobial 
susceptibility data for respiratory pathogens in the US reveal high rates of resistance among 
S. pneumoniae and H. influenzae.  A surveillance program conducted between 2008 and 2010 
in the US showed that, of 3329 S. pneumoniae strains, 21.1% were penicillin non-susceptible 
or resistant.  Increases in an already elevated resistance rate for erythromycin (38.4% to 
41.7%) were also observed in the same study (Pfaller et al., 2012).  Recent global 
surveillance studies have revealed increased resistance to fluoroquinolones in all monitored 
bacterial species with the exception of S. pneumoniae and H. influenzae (Dalhoff, 2012). 
M. pneumoniae is a common pathogen of respiratory tract infection in children and 
adolescents and can cause serious pneumonia and extra-pulmonary complications (Waites 
and Talkington, 2004).  Current preferred treatment is with a macrolide antibiotic.  In recent 
years, however, many countries have reported the isolation of clinically drug-resistant strains, 
the main mechanism of resistance being a mutation in the 23S ribosomal ribonucleic acid 
(rRNA) gene which is the target of macrolide antibiotic action.  These resistant isolates 
remain susceptible to fluoroquinolones or tetracyclines, but use of these antibiotics is limited 
in children (Liu et al., 2014). 

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S. aureus, including methicillin-resistant S. aureus (MRSA), has emerged as an important 
pathogen in CABP.  In a retrospective analysis that included hospitalized patients with 
microbiologically-confirmed CABP, approximately 25.5% of these patients were culture-
positive for S. aureus and, among these patients, 6.3% had MRSA isolated (Kollef et al., 
2005).  In general, the hospitalized patients with pneumonia due to S. aureus in this study 
had an increased mortality rate.  These findings correlate with recent case series of CABP 
due to community-acquired MRSA (CA-MRSA), which describe severe, necrotizing 
pneumonia in previously healthy young individuals (Francis et al, 2005; Hidron et al., 2009).  
Optimal management for these patients is not yet clear, and even the best available treatment 
may still result in poor outcomes (Gillet et al., 2007).  Therefore, there is a need for more 
treatment options for CABP caused by MRSA. 
1.2 
Background on Lefamulin and the Pleuromutilins 
Lefamulin is a potent, semi-synthetic antibacterial belonging to a novel class known as the 
pleuromutilins.  Both the intravenous (IV) and oral dosage forms of lefamulin are under 
investigation in this study.  The first marketed representative of the pleuromutilin class for 
human use is retapamulin (GlaxoSmithKline), approved in 2007 in the US (AltabaxP®) for the 
topical treatment of impetigo and in Europe (Altargo®) for the topical short-term treatment of 
impetigo and infected small lacerations, abrasions or sutured wounds.  Tiamulin (Denagard®) 
and valnemulin (Econor®), two other semi-synthetic pleuromutilin derivatives, have been 
used systemically in veterinary medicine for many years. 
1.3 
Mechanism of Action and Non-Clinical Pharmacology 
Lefamulin is a prokaryotic protein synthesis inhibitor.  Its novel mode of action is mediated 
by a unique interaction with the central part of domain V of 23S rRNA, subsequently 
preventing the correct positioning of the CCA-ends of transfer ribonucleic acid (tRNA) for 
peptide transfer (Davidovich et al., 2007).  The uniqueness of this mechanism implies a very 
low probability of cross-resistance with other antibacterial classes. 
Lefamulin’s in vitro antibacterial profile covers the most important bacterial pathogens 
causing respiratory tract infection (RTI), acute bacterial skin and skin structure infection 
(ABSSSI) and sexually transmitted diseases (STD).  The antibacterial spectrum comprises 
S. aureus including MRSA and CA-MRSA, ß-haemolytic streptococci including S. pyogenes 
and S. agalactiae, Enterococcus faecium including vancomycin-resistant enterococci (VRE), 
S. pneumoniae, H. influenzae, M. catarrhalis, the atypical respiratory pathogens 
L. pneumophila, C. pneumoniae, and M. pneumoniae, and organisms causing STD such as 
Neisseria gonorrhoeae, Chlamydia trachomatis, Mycoplasma genitalium among others.  
Moreover, lefamulin remains active against clinical isolates resistant to the following 
antimicrobial(s) (classes):  macrolides, lincosamides, streptogramin B, oxazolidinones, 
tetracyclines, ß-lactams, quinolones, trimethoprim-sulfametoxazole, mupirocin, and 
vancomycin as demonstrated in cross-resistance studies.  The only exceptions are the rarely 
encountered Staphylococcus spp. producing the Cfr-methyltransferase and the Vga(A)-efflux 
pump, where lefamulin showed reduced activity.  Although some linezolid-resistant isolates 
have a minimum inhibitory concentration (MIC) of >1 µg/mL for lefamulin, no consistent 
cross-resistance could be observed with linezolid.  Multiple interaction sites with the 

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ribosomal target are the most likely explanation for the observed low mutation frequency of 
below 10-11.  In vitro resistance development was a slow and stepwise process with resistant 
S. aureus clones being selected at sub-MIC levels only after 22-42 passages, whereas no 
stable resistant clones could be selected for S. pyogenes and S. pneumoniae. 
Susceptibility testing of lefamulin was performed with >13,600 contemporary clinical 
isolates including >7800 staphylococcal strains (including MRSA and methicillin-susceptible 
S. aureus [MSSA] strains) collected from patients world-wide, including the SENTRY 
Antimicrobial Surveillance Program (SENTRY) in 2010 (Paukner et al, 2013).  Lefamulin 
demonstrated in vitro antibacterial activity (MIC90) against the most relevant respiratory 
pathogens including S. pneumoniae (0.25 µg/mL), H. influenzae (2 µg/mL), M. catarrhalis 
(0.25 µg/mL), L. pneumophila (0.5 µg/mL), M. pneumoniae (0.006 µg/mL), and 
C. pneumoniae (0.04 µg/mL).  When compared with other antibiotics used to treat bacterial 
pneumonia such as macrolides, ß-lactams, fluoroquinolones or doxycycline, lefamulin was 
among the most active compounds in vitro irrespective of resistance phenotype present in 
S. pneumoniae or H. influenzae.  Furthermore, lefamulin showed complete activity (100% 
susceptibility) against S. pneumoniae that are resistant to macrolides (36.2-37.4%; SENTRY 
2010) or to levofloxacin (1.0-1.1%; SENTRY 2010) (Sader et al., 2012; Paukner et al., 
2013).  
Analysis of in vitro bacterial-killing properties suggested that lefamulin exhibits bactericidal 
activity against S. pneumoniae and H. influenzae, while it is predominantly a bacteriostatic 
agent against S. aureus.  In vivo, the extent of bacterial killing in neutropenic mice was 
excellent for most strains of S. pneumoniae and moderate for strains of S. aureus. 
Lefamulin was shown to have no interaction − neither antagonism nor synergy − when 
combined with other antibiotics against Gram-positive or Gram-negative organisms, 
including those with important resistance phenotypes (e.g., MRSA and extended-spectrum β-
lactamase [ESBL]), suggesting that there is no potential issue for combination therapy, if 
necessary.  
Lefamulin accumulated 30- to 50-fold in murine macrophages at clinically relevant 
concentrations of 1 and 5 µg/mL.  The antimicrobial potency of lefamulin was unaffected by 
lung surfactant. 
A number of animal infection models have established the in vivo efficacy of lefamulin, 
including the septicemia, thigh infection, and pneumonia models in mice.  Lefamulin has 
proven to be highly efficacious against S. aureus (MSSA and MRSA) and S. pneumoniae 
(penicillin-susceptible and penicillin-resistant S. pneumoniae).  Evaluation of the 
pharmacokinetic/pharmacodynamic (PK/PD) target associated with efficacy was performed 
using a neutropenic murine thigh and lung infection model.  The major parameters driving 
efficacy for both S. aureus and S. pneumoniae were the 24 h area under the drug 
concentration–time curve (AUC) over the MIC (24 h AUC/MIC) followed by the duration of 
time plasma concentrations exceeded the MIC (T > MIC).  The activity of the drug was only 
minimally diminished in immunocompromised mice in comparison to immuno-competent 
mice.  In lung infections caused by S. pneumoniae or S. aureus, lefamulin showed enhanced 
activity when compared to the outcome in the murine thigh infection model.  Investigations 

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of the exposure levels in the epithelial lining fluid (ELF) in mice were consistent with the 
observed good efficacy against lung infections.  For the PK/PD analyses, the plasma 24 h 
fAUC/MIC ratio, as well as the AUC at site of infection over the MIC (24 h AUCELF/MIC 
ratio), were evaluated on the basis of murine lung infections caused by S. pneumoniae and S. 
aureus.  
1.4 
Nonclinical Pharmacokinetics and Safety 
Pharmacokinetic studies after oral and IV administration demonstrated a dose proportional 
systemic exposure of lefamulin in all species tested.  Moderate to high plasma protein 
binding of 73% to 88% in humans and 61% to 81% in animals was observed.  However, 
lefamulin displayed low binding affinity to the 2 major drug binding human plasma proteins 
(human serum albumin [HSA] and α1-acid glycoprotein [AGP]) and, despite the observed 
moderate to high protein binding, its in vitro antimicrobial activity was maintained in the 
presence of serum.  This is suggestive of a weak and loose association of the drug with 
plasma proteins and probably explains the rapid tissue distribution observed across the 
species, including humans.  Quantitative whole body autoradiography in rats after IV bolus 
administration showed rapid distribution into tissues and organs consistent with the apparent 
low protein binding affinity observed in vitro.  The concentrations measured in the majority 
of the tissues including skin and soft tissues and lungs were higher compared to the amounts 
measured in blood.  
In vitro metabolic stability testing of lefamulin predicted a mild to moderate influence of 
Phase I reactions by CYP450 enzymes on its overall metabolism, while Phase II metabolism 
will have only a very limited effect.  Using isolated recombinant CYP450 isoenzymes, 
CYP3A4 and 3A5 were identified as lefamulin metabolizing enzymes.  Lefamulin did not 
inhibit CYP1A, 2B6, 2C9, 2C19, 2D6, 2C8, or 2E1 to a clinically relevant extent.  Lefamulin 
was identified as a p-glycoprotein (p-gp) substrate and a p-gp inhibitor and was capable of 
saturating its own efflux in Caco-2 cells.  This observation is in-line with the observed dose-
dependent increase in bioavailability, as seen in the oral single ascending dose study in 
humans (NAB-BC-3781-1101).  Lefamulin did not induce CYP1A2 and CYP3A4 in human 
hepatocytes.  Consequently, it is not expected that lefamulin will induce CYP1A2 and 
CYP3A4 or p-gp in a clinical setting. 
In vitro drug transporter studies showed that lefamulin is not a substrate of efflux transporters 
BCRP, BSEP or uptake transporters OATP1B1 and OATP1B3, and is a substrate of the 
uptake transporter OCT1.  Only a weak inhibition was shown with BSEP (IC50 = 24.5 µM) 
and OCT1 (IC50 = 20.3 µM), while very poor or no inhibition was seen with OATP1B1 and 
OATP1B3.  For BCRP in the GI tract, inhibition cannot be excluded (IC50 = 42.2 µM, 
[I]2/IC50 = 112 > 10).  With regard to the renal uptake transporters, inhibition potential of 
lefamulin towards PAH uptake by OAT1, furosemide uptake by OAT3, and MPP+ uptake by 
OCT2 was not considered significant. 
All data obtained so far suggest that the non-renal route of excretion drives the clearance of 
lefamulin.  Fecal excretion in the bile (and/or via the gut mucosa) is likely the most important 
route of elimination for this compound, as confirmed by a mass balance study in rats, 
showing 96% total recovery, mainly in feces (82%) and urine (14%).  Furthermore, all 

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intra-organ radioactivities approached the lower limit of quantification (LLQ) within 72 h, 
indicating a total elimination of the drug and/or its metabolites.  
The safety of lefamulin has been investigated in a number of safety pharmacology and 
toxicology studies conducted in vitro and in vivo in different rodent and non-rodent animal 
species.  Safety and toxicology studies have been performed to support oral and IV use in 
human.  Studies include acute and repeated dose toxicity, local tolerance and genotoxicity 
testing, development and reproductive toxicity, safety pharmacology, and PK/toxicokinetic 
profiling in rodent and non-rodent species.  No clear differences between male and female 
animals were seen in toxicity or absorption, distribution, metabolism, and elimination 
(ADME) studies.  
Lefamulin did not show any effects on the central and autonomic nervous system in rats or 
on the respiratory system in cynomolgus monkeys.  A potential for QT/QTc interval 
prolongation was noted after a single IV dose of 40 mg/kg.  In vitro IKr (hERG) assays and a 
study using rabbit Purkinje fibers showed a potential for QT/QTc prolongation, but — 
importantly — did not demonstrate any pro-arrhythmic potential for lefamulin at clinically 
relevant concentrations. 
Four-week, IV, repeat-dose toxicity studies in rats and monkeys resulted in NOAELs of 75 
and 120 mg/kg daily dose, respectively, the highest doses tested.  The NOAEL in pivotal 
4-week oral repeat-dose toxicity studies in rats and cynomolgus monkeys was 300 and 
70 mg/kg daily dose, respectively.  In both species, the pivotal repeat-dose toxicity studies 
did not indicate any systemic target organ toxicity. 
Intravenous administration to rats resulted in local effects at the infusion site.  These 
reversible local effects are likely induced by inflammatory irritation caused by the indwelling 
catheter together with lefamulin.  The effect might have been more pronounced due to the 
small vessel size and the lower blood flow/volume in rats.  Intravenous administrations to 
monkeys up to and including 120 mg/kg/day did not show any signs of local intolerance. 
Oral administrations in monkeys up to and including 70 mg/kg/day were well tolerated by the 
gastrointestinal (GI) tract.  Doses of 200 mg/kg/day caused emetic periods and diarrhea 
associated with body weight loss and poor physical condition.  Gastrointestinal tract 
intolerability following oral dosing of 600 and 450 mg/kg/day was also described in rats.  
The dose of 70 mg/kg/day corresponds to 4200 mg daily in 60 kg humans and exceeds the 
maximum intended daily dose of 1200 mg.  Lefamulin did not evidence any genotoxic 
potential, as demonstrated by in vitro and in vivo mutagenicity and clastogenicity assays. 
No treatment-related changes were noted in female or male reproductive organs of rats or 
monkeys following 14 or 28 days repeated dosing.  Embryo-fetal development toxicity 
studies with lefamulin performed in rats and rabbits did not indicate a potential for 
teratogenicity and the corresponding NOAELs were set at the highest doses tested, 100 and 
60 mg/kg/day (IV), respectively.  Fertility studies performed in rats did not show any adverse 
effect on reproductive indices and the NOAEL was established at 75 mg/kg/day (IV), the 
highest dose tested in both genders.  

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BC-8041, the major human metabolite of lefamulin, did not demonstrate a potential for 
QT/QTc prolongation (hERG assay) or genotoxicity (Ames and mouse lymphoma assay), 
and exhibited no teratogenicity in a rat embryo-fetal development toxicity study. 
The safety and toxicology program provided sufficient and pertinent information on the 
safety profile of lefamulin and its major human metabolite, BC-8041, concluding that the 
drug candidate has no indices of toxicity in animals that would preclude its use in humans.  
These studies are described in more detail in the Investigator’s Brochure. 
1.5 
Summary of Clinical Data 
Lefamulin has been administered as single or multiple-doses orally and by IV infusions to 
healthy subjects in 17 completed Phase 1 studies and IV to subjects with ABSSSI in a 
completed Phase 2 study.  In these studies, lefamulin was found to be safe and well tolerated 
at the doses to be used in the current study (150 mg IV over 60 minutes and 600 mg per oral 
administration).  
In the 17 Phase 1 studies, 321 male and female healthy subjects were exposed to lefamulin, 
12 of whom were ≥ 65 years of age.  In the Phase 2 study, 141 subjects (95 male, 46 female) 
were exposed to lefamulin, 7 of whom were ≥ 65 years of age (4 in the 100 mg group, 3 in 
the 150 mg group) (Prince et al., 2010; Prince et al., 2013; Wicha et al., 2010; Zeitlinger et 
al., 2011). 
Lefamulin PK is characterized by rapid absorption after oral administration.  Steady-state is 
achieved after 2 days of q12h dosing, irrespective of the route of administration.  After oral 
administration of an immediate-release tablet containing 600 mg of lefamulin, exposure — as 
measured by AUC (the driver of efficacy) — was similar to a 150 mg IV dose, the higher 
dose used in the Phase 2 study in ABSSSI (NAB-BC-3781-2001) (Wicha et al., 2013). 
1.5.1 
Pharmacokinetics in Humans 
Tissue distribution studies in healthy volunteers showed rapid lefamulin distribution 
achieving therapeutic exposures in relevant target tissues for the treatment of both respiratory 
tract and skin infections.  Following a single 150 mg IV infusion, lefamulin showed higher 
exposure in epithelial lining fluid (ELF) as compared to the penetration into skin tissues 
(Zeitlinger et al., 2016).  This pattern of tissue distribution has also been observed in ELF of 
mice.  Therefore, exposures in plasma and in ELF were used for the determination of the 
AUC/MIC ratio for target attainment analyses.  
The plasma concentration-time curve of intravenously administered lefamulin in humans 
showed a multi-phasic decline.  Following the end of infusion (i.e., the maximal 
concentration [Cmax]), there is a rapid distribution phase over 0.5 h followed by an extended 
elimination phase with a mean half-life (t1/2) of 8.6 h to 11.8 h.  The major elimination route 
for lefamulin was non-renal.  There were no statistically significant effects of age, 
demographics (body weight, height, or body mass index) or gender on the PK parameters of 
lefamulin.  In addition, no significant influence of the health status on the total body 
clearance or drug distribution of lefamulin was observed.  

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Overall, lefamulin metabolism is low.  In general, the PK profiles of the metabolites in 
plasma resemble the profiles of the parent drug, resulting in similar or shorter terminal t1/2 
values.  BC-8041 was the only metabolite that could be identified exceeding the limit of 10% 
of parent drug systemic exposure at steady-state when lefamulin was given orally.  
Therefore, accumulation of any metabolite is unlikely.  BC-8041 exposure at steady-state in 
humans at lefamulin therapeutic doses is covered by toxicology studies in the cynomolgus 
monkey.  In drug-interaction studies performed with lefamulin, no issues of clinical 
significance have been identified.  In drug-interaction studies with midazolam or 
ketoconazole, lefamulin can be classified as having only a weak interaction with CYP3A 
after IV administration.  Oral co-administration of ketoconazole and lefamulin resulted in a 
moderate interaction, likely as a result of a reduced first-pass effect in the gut wall.  Based on 
the current safety profile of lefamulin and its main metabolite, BC-8041, it is not expected 
that a drug-drug interaction with potent CYP3A and p-gp inhibitors will be of sufficient 
clinical significance to justify a dose adjustment.  
1.5.2 
Efficacy 
The efficacy of lefamulin in humans has been demonstrated in a Phase 2 study of 
207 subjects with ABSSSI comparing 2 lefamulin doses (100 mg and 150 mg IV) with 
vancomycin (≥1000 mg) over 5-14 days.  This study enrolled subjects with moderate to 
severe skin infection, excluding any subjects with minor and uncomplicated infection.  In 
total, 90.8% of subjects in the modified ITT population had S. aureus infection; 69.1% of 
subjects had MRSA.  
In all populations evaluated, lefamulin 100 mg and 150 mg demonstrated consistently high 
clinical and microbiological success rates at several time points including the Test of Cure 
(TOC), and 7 to 14 days after the completion of therapy (modified ITT population: 82.0% 
and 82.4% for 100 mg and 150 mg q12h treatment arms, respectively; 82.4% for 
vancomycin).  The early clinical responder rate (Day 3) for lefamulin was also high and 
comparable to that of vancomycin.  
There were no significant differences in clinical success rates and microbiological 
eradication rates when assessed by baseline pathogen, particularly S. aureus and MRSA.  
Furthermore, no development of decreasing susceptibility was observed for lefamulin during 
the study (Paukner et al., 2012; Prince et al., 2013; Rubino et al., 2015).  
1.5.3 
Safety 
No changes in safety laboratory parameters, blood pressure (BP), heart rate (HR), or body 
temperature in any subject at any session in any study were of clinical concern.  After IV 
administration, pain and erythema at the infusion site were the most frequently reported 
findings.  The oral administration of lefamulin was generally well tolerated; infrequent mild 
and reversible gastrointestinal findings (nausea, abdominal pain and diarrhea) were reported.  
There were no systemic AEs of clinical concern and no drug-related SAEs in any study 
conducted to date.  None of the subjects met withdrawal criteria.  The stopping criteria were 
not reached in any of the studies.   

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In the Phase 2 study in subjects with ABSSSI, lefamulin (100 mg and 150 mg) administered 
intravenously over 5 to 14 days was safe and well tolerated.  The incidence of treatment-
emergent adverse events (TEAEs) considered related to study drug was numerically lower 
for subjects treated with lefamulin (34% and 39% in the 100 and 150 mg groups, 
respectively) than for subjects treated with vancomycin (53%).  The types of TEAEs were 
consistent with a subject population under treatment for ABSSSI.  The most frequently 
reported treatment-related TEAEs in subjects receiving lefamulin were headache, nausea, and 
diarrhea.  Phlebitis at the infusion site was reported in 4 subjects in the lefamulin 100 mg 
group and 2 subjects in the 150 mg group.  There was no increased incidence of phlebitis 
with increased dose.  The most frequently reported treatment-related TEAEs for the 
vancomycin group were headache, nausea, pruritus, generalized pruritus, and diarrhea.  All 
other related TEAEs were reported by 3 or fewer subjects in each treatment group.   
In the Phase 2 study, study drug was discontinued due to an AE for 6 subjects (8 events).  
These AEs were hyperhidrosis, vomiting, headache, respiratory failure (an SAE), cellulitis, 
infusion site pain, and dyspnea in the lefamulin groups; and drug eruption in the vancomycin 
group.  Six of these 8 events were considered related to study drug (hyperhidrosis, vomiting, 
headache, infusion site pain, and dyspnea in the lefamulin groups and drug eruption in the 
vancomycin group).  Five subjects experienced an SAE; none was considered related to study 
drug.  These SAEs were abscess, respiratory failure, and cellulitis in the lefamulin groups; 
and accidental overdose (narcotics) and convulsion in the vancomycin group (Prince et al., 
2013). 
The effect of lefamulin on the cardiac conduction parameters of RR, QT, and QTcF has been 
closely monitored in all clinical studies.  A Cmax-dependent, predictable, and reproducible 
prolongation of the QT/QTcF interval has been observed.  A thorough analysis of ECGs in 
the Phase 2 study demonstrated that lefamulin prolonged cardiac depolarization and 
repolarization duration, but otherwise had a similar cardiac safety profile to that of 
vancomycin based on evaluations of 12-lead ECGs.  Therefore, it is expected that lefamulin 
will not produce large effects on cardiac de- and repolarization duration.  No drug-related 
cardiac AE — such as increase in ectopic ventricular activity or other cardiac arrhythmia — 
or clinically relevant ECG findings was reported during the conduct of the studies.  None of 
the protocol-defined stopping criteria (i.e., QTcF > 500 ms and ΔQTcF > 60 ms) was reached 
in any clinical study.  
In summary, the results of the Phase 2 study provide the first proof of concept for the 
systemic use of a pleuromutilin antibiotic in subjects and support the further clinical 
evaluation of lefamulin for therapy of serious infections.  Pharmacokinetic/ 
pharmacodynamics analyses suggest that lefamulin 150 mg IV q12h is an efficacious dosing 
regimen for Phase 3 studies.  Based on available safety data, lefamulin 150 mg IV q12h 
produced therapeutic exposures and demonstrated an acceptable benefit/risk profile for the 
treatment of infected subjects.  Oral doses of 600 mg lefamulin produced similar systemic 
exposures to 150 mg IV with a similar benefit/risk profile and were well tolerated with no 
signs or symptoms of clinical concern.  
This is the first Phase 3 study to be conducted in subjects with a systemically-administered 
pleuromutilin antibiotic.  The population in this study will be subjects with CABP and they 

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will receive treatment with either lefamulin or moxifloxacin (with or without adjunctive 
linezolid), a standard treatment for this condition.  
2 
STUDY OBJECTIVES 
2.1 
Primary Objectives 
• Demonstrate the non-inferiority (NI) of lefamulin versus comparator with respect to the 
Early Clinical Response (96 ± 24 hours after the first dose of study drug) in the 
Intent-to-Treat (ITT) Analysis Set (FDA endpoint). 
• Demonstrate the NI of lefamulin versus comparator with respect to the Investigator’s 
Assessment of Clinical Response at Test of Cure (TOC) (i.e., 5-10 days after the last dose 
of study drug) in the modified-ITT (mITT) and Clinically Evaluable at TOC (CE-TOC) 
Analysis Sets (EMA endpoint). 
 
2.2 
Secondary Objectives 
• Evaluate the Early Clinical Response in the Microbiological Intent-to-Treat (microITT) 
Analysis Set.   
• Evaluate the Early Clinical Response PLUS improvement in vital signs in the ITT 
Analysis Set. 
• Evaluate the Investigator’s Assessment of Clinical Response at TOC in the microITT and 
Microbiologically Evaluable at TOC (ME-TOC) Analysis Sets. 
• Evaluate the By-Pathogen Microbiologic Response at TOC in the microITT and ME-
TOC Analysis Sets. 
• Evaluate the safety and tolerability of lefamulin versus comparator in the Safety Analysis 
Set. 
• Evaluate 28 day all-cause mortality in the ITT Analysis Set. 
 
2.3 
Additional Objectives 
• Evaluate the Early Clinical Response by baseline pathogen in the microITT Analysis Set. 
• Evaluate the Investigator’s Assessment of Clinical Response at the End of Treatment 
(EOT) (i.e., within 2 days after the last dose of study drug) and at LFU in the mITT and 
CE-EOT Analysis Sets (CE-EOT for IACR at EOT and CE-LFU for IACR at LFU). 
• Evaluate the Investigator’s Assessment of Clinical Response by baseline pathogen at 
TOC and LFU in the microITT and ME-TOC Analysis Sets (ME-TOC for IACR at TOC 
and ME-LFU for IACR at LFU). 
• Evaluate the By-Subject Microbiologic Response at TOC in the microITT and ME-TOC 
Analysis Sets. 
• Evaluate the plasma pharmacokinetics (PK) of lefamulin in the PK Analysis Set. 

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• Explore a variety of health utilization variables and an investigational patient reported 
outcome (PRO) measure (SF-12) in subjects receiving lefamulin compared with subjects 
receiving comparator. 
 
3 
STUDY DESIGN 
This multicenter, multinational, randomized, double-blind, double-dummy, active-controlled 
efficacy and safety study in subjects with community-acquired bacterial pneumonia (CABP) 
will be conducted at approximately 125 centers.  The planned enrollment is 550 subjects with 
Pneumonia Outcomes Research Team (PORT) Risk Class ≥III.  However, if based upon 
regulatory requirements additional subjects exposed to lefamulin are needed, up to 626 
subjects may be enrolled.  Eligible subjects will be randomized 1:1 to lefamulin or the 
comparator, moxifloxacin, using interactive response technology (IRT).  Subject 
randomization will be stratified according to PORT Risk Class (Risk Class III vs. IV and V), 
geographic region (US vs. ex-US), and prior (single dose) short-acting antibiotic therapy for 
CABP vs. none.   
Subjects will be consented for the study prior to study assessments being performed and 
confirmation of eligibility.  Screening assessments will be performed within 24 hours before 
the first dose of study drug.   
Subjects will be assessed for response at the following time points during the study:  
• Early Clinical Assessment (ECA):  96 ± 24 hours after the first dose of study drug (i.e., 
after at least 6 doses of study drug have been given) 
• End of Treatment (EOT):  within 2 days after the last dose of study drug (NOTE: every 
attempt should be made to conduct the EOT visit within 1 day after the last dose of study 
drug.  However, if this is not logistically feasible [e.g., visit would need to be conducted 
over a weekend], then conducting the visit within 2 days is acceptable.) 
• Test of Cure (TOC):  5-10 days after the last dose of study drug  
• Late Follow Up (LFU):  30 ± 3 days after the first dose of study drug 
 
Assessment of the 4 cardinal symptoms of CABP (dyspnea, cough, purulent sputum 
production and chest pain) will be conducted daily (see Section 6.10); an assessment at 96 ± 
24 hours after the first dose of study drug will be used to determine Early Clinical Response 
(ECR) (as defined in the Primary Objective - FDA) (Section 9.4.1).  NOTE:  ECR will be 
determined programmatically based upon the Investigator’s assessment of the 4 cardinal 
symptoms of CABP; the decision to maintain the subject on study drug therapy will be made 
by the Investigator, based on all available data and his or her best clinical judgment.  CABP 
signs and symptoms will be assessed in person while subjects are hospitalized.  Outpatients 
may have signs and symptoms assessed daily by telephone; however, they must also have a 
study site visit 96 ± 24 hours after the first dose of study drug to assess CABP signs and 
symptoms in person. 

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In addition, the Investigator’s Assessment of Clinical Response (IACR) will be performed at 
the EOT, TOC, and LFU visits (Success, Failure and Indeterminate at EOT and TOC; 
Sustained Success, Relapse and Indeterminate at LFU).   
Microbiological assessments will be performed at Screening, and throughout the study as 
clinically indicated (see Section 6.14).  Samples will be taken for Gram’s staining, for 
diagnostic tests (serology, urine antigen tests, and molecular tests) and for culture and 
antimicrobial susceptibility testing.  
Safety will be assessed by monitoring vital signs, ECG measurements, safety laboratory 
parameters, and recording of adverse events (AEs) (see Sections 6.1, 6.4, 6.12, and 7).  
Safety procedures will be performed by the Investigator or suitably qualified individuals 
designated by the Investigator.  A Data Monitoring Committee (DMC) will review the safety 
data throughout the study (Section 10.2).   
Blood samples for PK analyses will be collected from every subject during administration of 
IV study drug, and in a subset of subjects who are switched from IV to oral study drug 
(Section 6.13). 
Exploratory evaluation of a variety of health utilization variables (e.g., length of hospital 
stay, duration of antibiotic therapy, discharge status, discharge destination) as well as a PRO 
instrument (SF-12) will be performed (Section 6.15).  
Overviews of study designs for subjects receiving 7 days of treatment and for subjects 
receiving 10 days of treatment are presented in Figure 1 and Figure 2, respectively.  The 
schedule of assessments/procedures is presented in Table 3. 
3.1 
Study Rationale 
Lefamulin (BC-3781), a semi-synthetic pleuromutilin, represents a new class of antibiotics 
for the treatment of bacterial infections in humans.  Based on the antibacterial spectrum, 
safety and tolerability and PK in several Phase 1 and Phase 2 clinical studies, lefamulin 
should be a viable option for the treatment of CABP and other infections.  The adverse event 
profile observed in Phase 1 and 2 studies conducted to date demonstrates that lefamulin is 
well tolerated when administered IV at single doses up to 400 mg and q12h dosing for up to 
10 days.  Also, the oral safety profile observed in studies conducted to date demonstrates that 
600 mg of lefamulin is well tolerated when administered as single and repeat doses.  In the 
first study in which a systemically available pleuromutilin antibiotic was administered to a 
patient population, Study NAB-BC-3781-2001, lefamulin was found to be safe and effective 
in treating skin and skin structure infections and supported the continued clinical evaluation 
of lefamulin for serious infections.  Lefamulin is therefore being examined further in subjects 
with other infections including CABP. 
This study will examine whether lefamulin is non-inferior to moxifloxacin (with or without 
adjunctive linezolid), for the treatment of CABP in adults ≥18 years of age.  All subjects will 
initially receive a minimum of 6 doses of IV study medication, after which they may be 
switched to oral study medication if they meet pre-specified clinical criteria (Section 5.5.3).  

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The comparison between lefamulin and comparator will be made with respect to the 
following assessments:  ECR (96 ± 24h after the first dose of study drug), as well as IACR at 
TOC.  The study will also compare safety between treatment groups and evaluate PK 
parameters of lefamulin in this population.  
This protocol is designed to address both the FDA and European Medicines Agency (EMA) 
regulatory requirements for the development of antibacterial agents to treat CABP, which 
differ regarding the preferred primary endpoint.  The EMA supports assessment of clinical 
response by Investigators at a test of cure (TOC) visit, while the FDA adopted assessment of 
clinical signs and symptoms of CABP on Days 3 to 5 as the recommended primary endpoint.  
To adequately accommodate these differences, 2 separate regional Statistical Analysis Plans 
(SAPs) will be utilized to analyze the data collected during this study.   
4 
STUDY POPULATION 
4.1 
Inclusion Criteria  
Each subject must: 
1. Be male or female ≥18 years of age. 
2. Provide written informed consent and be willing and able to adhere to the study-specified 
procedures and restrictions.  NOTE:  Consent may be provided by the subject’s legally 
authorized representative in accordance with local regulations. 
3. Have an acute illness (≤7 days duration) with at least 3 of the following symptoms 
consistent with a lower respiratory tract infection (new or worsening): 
• Dyspnea. 
• New or increased cough. 
• Purulent sputum production. 
• Chest pain due to pneumonia. 
4. Have at least 2 of the following vital sign abnormalities:  
• Fever (body temperature >38.0°C (100.4°F) measured orally or equivalent 
temperature from an alternate body site) or hypothermia (body temperature <35.0°C 
(95.0°F) measured orally or equivalent temperature from an alternate body site). 
• Hypotension (systolic blood pressure <90 mmHg). 
• Tachycardia (heart rate >100 beats/min). 
• Tachypnea (respiratory rate >20 breaths/min). 
5. Have at least 1 other clinical sign or laboratory finding of CABP: 
• Hypoxemia (i.e., O2 saturation <90% on room air or while receiving supplemental 
oxygen at subject’s baseline requirement or PaO2 <60 mmHg). 

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• Auscultatory and/or percussion findings consistent with pneumonia (e.g., crackles, 
egophony, dullness). 
• White blood cell (WBC) count >10,000 cells/mm3 or <4500 cells/mm3 or >15% 
immature neutrophils (bands) regardless of total WBC count. 
6. Have radiographically-documented pneumonia within 48 hours before enrollment (i.e., 
infiltrates in a lobar or multilobar distribution or diffuse opacities on chest x-ray or chest 
computed tomography scan consistent with acute bacterial pneumonia). 
7. Have a Pneumonia Outcomes Research Team (PORT) Risk Class ≥III and require IV 
antibiotic therapy as initial treatment for the current episode of CABP. 
8. If female, meets the following criteria: 
• Surgically sterile or ≥2 years postmenopausal, or if of childbearing potential 
(including being <2 years postmenopausal), has a negative pregnancy test, and if 
participating in sexual activity that may lead to pregnancy, agrees to use an effective 
dual method of contraception (e.g., condom plus diaphragm, condom plus spermicide, 
intrauterine device plus spermicide) during the study and for ≥28 days after the last 
dose of study drug.  If a male partner has been surgically sterile for ≥1 year, a single 
contraception method may be used.  NOTE:  The use of contraceptives containing 
progesterone is not permitted. 
• Agrees not to breastfeed during the study and through ≥28 days after the last dose of 
study drug. 
9. If male, meets the following criteria: 
• If not surgically sterile and if participating in sexual activity that may lead to 
pregnancy, agrees to use an effective dual method of contraception (e.g., condom plus 
diaphragm, condom plus spermicide, intrauterine device plus spermicide, oral 
contraceptive plus condom) during the study and through ≥28 days after the last dose 
of study drug.  If surgically sterile for ≥1 year, a single contraception method may be 
used. 
 
4.2 
Exclusion Criteria   
Each subject must NOT: 
1. Have received more than a single dose of a short-acting oral or IV antibacterial for CABP 
within 72 hours before randomization (See Appendix 2). 
• EXCEPTION:  Subjects who have received >48 hours of prior systemic antibacterial 
therapy for the current episode of CABP with unequivocal clinical evidence of 
treatment failure (i.e., worsening signs and symptoms) and isolation of an organism 
from blood or respiratory tract that is resistant to the prior systemic antibacterial 
therapy provided the organism is not resistant to fluoroquinolones and, in the case of 
methicillin-resistant Staphylococcus aureus (MRSA), oxazolidinones. 
2. Require concomitant systemic antibacterial therapy potentially effective against CABP 
pathogens (See Section 6.8). 

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3. Have been hospitalized for 2 or more days within 90 days prior to the onset of symptoms 
or have resided in a nursing home or long-term healthcare facility within 30 days prior to 
the onset of symptoms.  NOTE:  Residence in an independent living facility is permitted. 
4. Have confirmed or suspected CABP caused by a pathogen known to be resistant to any of 
the study drugs (e.g., Pseudomonas aeruginosa, any pathogen of the Enterobacteriaceae 
Family) or attributable to etiologies other than community-acquired bacterial pathogens 
(e.g., ventilator-associated pneumonia, hospital-acquired bacterial pneumonia, bacterial 
aspiration pneumonia, Pneumocystis jiroveci pneumonia or other fungal pneumonia, viral 
or mycobacterial infection of the lung). 
5. Have a noninfectious cause of pulmonary infiltrates (e.g., pulmonary embolism, chemical 
pneumonitis from aspiration, hypersensitivity pneumonia, congestive heart failure, 
bronchial obstruction, lung cancer, cystic fibrosis). 
6. Have confirmed or suspected pleural empyema (does not include sterile parapneumonic 
effusions). 
7. Require mechanical ventilation. 
8. Have or be at risk for major cardiac events or dysfunction including, but not limited to, 
the following: 
• Known prolonged QT interval or family history of long QT syndrome 
• Clinically significant hypokalemia which has not been treated prior to randomization 
• Clinically unstable cardiac disease, including: unstable atrial fibrillation, symptomatic 
bradycardia, unstable congestive heart failure, active myocardial ischemia, or 
indwelling pacemaker 
• Complete left bundle branch block 
• Receipt within 7 days before enrollment of Class IA or Class III anti-arrhythmic 
medication or, in the opinion of the Investigator, subject may require such medication 
during the study. (Class 1A: Quinidine, Procainamide, Disopyramide; Class III: 
Amiodarone, Dofetilide, Ibutilide, Sotalol) 
• Receipt within 7 days before enrollment of medication that has the potential of 
prolonging the QT interval or, in the opinion of the Investigator, subject may require 
such medication during the study (see Appendix 5). 
9. Be receiving a strong p-glycoprotein inhibitor or a strong CYP3A inducer or inhibitor 
(see Appendix 4) 
10. Have a history of tendon disease/disorder, myasthenia gravis, or known or suspected 
central nervous system (CNS) disorders (severe cerebrovascular arteriosclerosis, 
epilepsy, or other risk factors that may predispose to seizures).   
11. Have a history of any hypersensitivity or allergic reaction to any fluoroquinolone or any 
drug in the pleuromutilin class (i.e., retapamulin). 
12. Have severely impaired renal function, defined as creatinine clearance 
(CrCl) ≤ 30 mL/min as calculated by the Cockcroft-Gault formula. 

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13. Have evidence of significant hepatic, hematologic, or immunologic disease including any 
of the following:  
• Known acute hepatitis, including active viral hepatitis. 
• Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) level >5 times 
the upper limit of normal (ULN) or total bilirubin >3 times the ULN. 
• Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) level >3 times 
the upper limit of normal (ULN) and total bilirubin >2 times the ULN. 
• History of cirrhosis of the liver. 
• Manifestation of end-stage liver disease, such as ascites or hepatic encephalopathy. 
• Current or anticipated neutropenia (<500 neutrophils/mm3). 
• Thrombocytopenia (<50,000 platelets/mm3). 
• Known infection with human immunodeficiency virus and a CD4 count <200/mm3. 
14. Have known or suspected severe immunosuppression, defined as receipt of corticosteroid 
therapy (≥20 mg prednisone/day or equivalent for more than 4 weeks) within the 
previous 8 weeks; solid organ or bone marrow transplantation within the previous 12 
months; or currently receiving cytotoxic chemotherapy. 
15. Have a life expectancy of ≤3 months because of any disease other than the current 
episode of CABP (e.g., current or impending respiratory failure, acute heart failure, 
shock, acute coronary syndrome, unstable arrhythmia, hypertensive emergency, clinically 
relevant gastrointestinal bleeding, profound metabolic abnormality, or acute 
cerebrovascular event). 
16. Have participated in any study involving administration of an investigational agent or 
device within 30 days or ≤5 terminal elimination half-lives of the previous investigational 
medicinal product, whichever is longer, before enrollment. 
17. Have been previously treated with lefamulin or previously enrolled in this study. 
18. Have any condition that, in the opinion of the Investigator, would compromise the safety 
of the subject or the quality of the data. 
 
In addition, for subjects suspected to have MRSA for whom adjunctive linezolid or 
matching placebo will be added, each subject must NOT: 
19. Have received any of the following medications:  
• Monoamine oxidase inhibitors (within 2 weeks of randomization). 
• Serotonergic agents (e.g., SSRI antidepressant medications) (within 5 weeks of 
randomization). 
20. Have pheochromocytoma, carcinoid syndrome, uncontrolled hypertension, or 
thyrotoxicosis. 
21. Have a history of any hypersensitivity or allergic reaction to linezolid or tedizolid. 
 

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5 
STUDY DRUG ADMINISTRATION 
See Section 8 for a complete description of study drugs.  Instructions for the preparation of 
study drugs will be provided in a Pharmacy Manual. 
5.1 
Selection of Lefamulin Doses 
This is the first study with lefamulin in subjects with CABP.  Based on results obtained from 
in vitro, animal and human experiments conducted to date, lefamulin is predicted to be well 
tolerated and efficacious in CABP.  To further explore and validate these findings, a 
pharmacometric approach was employed to assess a lefamulin dosing regimen of 150 mg IV 
q12h for the treatment of subjects with CABP caused by S. pneumoniae or S. aureus (the 
dosing regimen being utilized in this Phase 3 study).  This approach has been utilized 
previously to support dose selection decisions in antibacterial drug development (Bhavnani et 
al., 2005; Bhavnani et al., 2009; Van Wart et al., 2009).  An oral dose of 600 mg q12h (also 
being used in this Phase 3 study) has been shown to provide similar exposure (e.g., AUC) as 
the 150 mg IV dose.  Since the primary PD driver of lefamulin efficacy is total drug exposure 
(AUC), 600 mg q12h given as an oral tablet is expected to provide equivalent therapeutic 
coverage as the 150 mg IV q12h regimen.  
A population PK model describing the disposition of lefamulin, non-clinical PK/PD targets 
for lefamulin activity against S. pneumoniae and S. aureus (derived from robust surveillance 
data for both pathogens), and Monte Carlo simulation were utilized to carry out PK/PD target 
attainment analyses. 
The population PK model used to conduct Monte Carlo simulations was developed using PK 
data from 11 Phase 1 studies of subjects who received IV or oral lefamulin and 1 Phase 2 
study of infected subjects with ABSSSI who received IV lefamulin.  Importantly, this dataset 
includes data describing the disposition of lefamulin in epithelial lining fluid (ELF) (obtained 
from a Phase 1 study; the relevant site for treatment of CABP) as well as in subjects 
experiencing active infection (the Phase 2 ABSSSI study).  Thus, the data used to construct 
the population PK model, the parameter estimates and associated variability incorporated into 
the Monte Carlo simulations are reflective of patients with CABP.  
Non-clinical PK/PD targets were identified using PK/PD relationships for efficacy derived 
from data from a neutropenic murine-lung infection model.  For these analyses, focus was 
given to median 24 h AUC ELF/MIC ratio targets for S. pneumoniae and S. aureus associated 
with a 1-log10 CFU reduction from baseline as it has been demonstrated that patients with 
CABP who attain a 1-log10 CFU reduction from baseline have a higher rate of successful 
response compared to those patients who did not attain such PK/PD targets.  Lastly, in order 
to make inferences about dose for patients with S. pneumoniae or S. aureus bacteremia 
arising from CABP, the above-described analyses were also carried out using 24 h 
fAUC/MIC ratio targets for a 1-log10 CFU reduction from baseline efficacy for both 
pathogens.  The MIC distributions utilized were based on large, contemporary isolate 
libraries that represent > 1400 S. pneumoniae and > 5500 S. aureus isolates, accrued globally.  

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Percent probabilities of attaining the median AUCELF/MIC ratio targets associated with a 
1-log10 CFU reduction from baseline by MIC were 97.0 % at a MIC of 0.5 µg/mL for 
S. pneumoniae and 99.4 % at a MIC of 0.25 µg/mL for S. aureus (thus, covering ≥ 99.5 % of 
Northern America and EU or worldwide isolates for either pathogen). 
The results obtained from PK/PD target attainment analyses using a population PK model 
describing the disposition of lefamulin, non-clinical PK/PD targets for lefamulin against 
S. pneumoniae and S. aureus, robust surveillance data, and Monte Carlo simulation support 
the selection of the lefamulin 150 mg IV q12h/ 600 mg PO q12h as well-tolerated, having a 
high probability of efficacy and an appropriate dosing regimen to be studied for the treatment 
of adult subjects with CABP.   
5.2 
Selection of Comparator 
For hospitalized patients with CABP admitted to a general ward, the Infectious Diseases 
Society of America (IDSA)/American Thoracic Society (ATS) treatment guidelines 
recommend the use of an antipneumococcal fluoroquinolone.  In addition, if MRSA is 
suspected, the IDSA/ATS recommend the use of linezolid (Mandell et al., 2007).  Consistent 
with these expert, consensus guidelines, the comparator chosen for this study is moxifloxacin 
(with or without adjunctive linezolid; see Section 5.3).  Moxifloxacin (IV/PO) is indicated 
for the treatment of CABP caused by S. pneumoniae (including multi-drug resistant isolates), 
H. influenzae, M. catarrhalis, methicillin-susceptible S. aureus, Klebsiella pneumoniae, 
M. pneumoniae, or C. pneumoniae.  Moxifloxacin will be administered at a dose of 400 mg 
every 24 hours for 7 -10 days as recommended in the prescribing information (Moxifloxacin 
SPC [solution], 2012; Moxifloxacin SPC [tablet], 2014).  No dose adjustment of 
moxifloxacin will be permitted in this study.  Subjects may be switched to oral moxifloxacin 
400 mg once daily if, after receiving a minimum of 6 IV doses (3 IV moxifloxacin and 3 IV 
placebo), it is deemed clinically appropriate (see Section 5.5.3). 
5.3 
Adjunctive Treatment with Linezolid 
As part of the Screening evaluation, the Investigator will determine whether MRSA is a 
probable pathogen in the subject.  MRSA should be considered a potential cause of CABP 
when a good quality sputum Gram’s stain shows both polymorphonuclear leukocytes and 
abundant Gram-positive cocci in clusters, or if local epidemiology and recent clinical 
experience suggest it is prevalent in the community. Linezolid is provided as empiric therapy 
in subjects where MRSA is suspected as the pathogen until culture results are available. If 
MRSA is suspected, adjunctive linezolid therapy will be added to the moxifloxacin treatment 
group, while matching placebo will be added in the lefamulin group pending final culture 
results. Linezolid treatment or matching placebo will only be continued in the presence of a 
microbiological culture confirming the presence of MRSA. If cultures do not grow MRSA, 
linezolid (or matching placebo) will be discontinued and subjects will be continued on 
moxifloxacin (or lefamulin).  
Overall, it is anticipated that the proportion of subjects receiving adjunctive linezolid therapy 
would constitute the minority of enrolled subjects (e.g., <10%). Following receipt of 

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screening microbiological results, study drug therapy will be adjusted as described in Section 
5.5.2. 
Subjects for whom adjunctive therapy with linezolid is required will receive 600 mg IV q12h 
with potential switch to oral linezolid 600 mg q12h (see Section 5.5.3) (Linezolid SPC 
[solution], 2014; Linezolid SPC [tablet], 2014). 
5.4 
Randomization 
Qualified subjects will be randomized to receive lefamulin or moxifloxacin in a 1:1 
allocation ratio.  Randomization may occur at either Screening or on Day 1 prior to receipt of 
the first dose of study drug.  Subjects randomized to IV lefamulin will receive 150 mg of 
lefamulin q12h and subjects randomized to IV moxifloxacin will receive 400 mg of 
moxifloxacin q24h.  In order to maintain the blind, subjects randomized to IV moxifloxacin 
will receive alternating doses of IV placebo administered q24h so that IV study drug is 
administered q12h. 
Randomization will be stratified by PORT Risk Class (Risk Class III vs. IV and V; see 
Section 6.2), geographic region (US vs. ex-US), and prior (single dose) short-acting 
antibiotic therapy for CABP vs. none using blocked randomization via IRT.  (NOTE:  No 
more than 25% of randomized subjects will have received a single dose of a short-acting 
antibiotic).  A minimum of 25% of the total number of subjects randomized will have a 
PORT risk class of IV or V.   
The randomization schedule will be generated by Nabriva (or designee).  Subjects 
randomized into the study will be assigned the treatment corresponding to the next available 
number in the respective stratum of the computer-generated randomization schedule.  Prior to 
dosing, study personnel will contact the IRT system to obtain a treatment assignment.  
Subjects are considered randomized once a randomization number has been assigned 
regardless of whether the subject receives study drug.  Randomized subjects who do not 
receive study drug or who discontinue participation in the study for any reason will not be 
replaced.   
5.5 
Study Drug Treatment 
5.5.1 
Duration of Treatment 
It is estimated that the duration of blinded study drug administration for the majority (~90%) 
of subjects will be 7 days of active treatment as shown in Table 4 (Section 5.5.4).  Subjects 
with CABP due to MRSA will receive 10 days of active treatment as shown in Table 5 
(Section 5.5.4).  Subjects with CABP due to MRSA, or those with confirmed S. aureus 
bacteremia will have their treatment adjusted as described below 
5.5.2 
Post-Baseline Treatment Modifications 
Following receipt of the screening microbiological results, the following treatment 
modifications will be made.  The investigator (or designee) must communicate culture results 

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in a timely manner to the unblinded pharmacist so that study treatment can be adjusted 
accordingly: 
• Subjects who were suspected to have MRSA at Screening, and whose microbiological 
results confirm MRSA as a causative pathogen during the IV treatment period will be 
managed as follows:  
- 
Subjects randomized to receive moxifloxacin: IV moxifloxacin should be 
discontinued and linezolid will be continued for 10 days as shown in Table 5 below. 
- 
Subjects randomized to receive lefamulin:  IV linezolid placebo should be 
discontinued and lefamulin will be continued for 10 days as shown in Table 5 below.  
• Subjects who were suspected to have MRSA at Screening and whose microbiological 
results confirm MRSA as a causative pathogen during the oral treatment period will be 
managed as follows: 
- 
Subjects randomized to receive moxifloxacin: Oral moxifloxacin should be 
discontinued.  Subjects will continue to receive oral linezolid plus oral lefamulin 
placebo to complete 10 days of study drug therapy as shown in Table 5 below.  
- 
Subjects randomized to receive lefamulin: Oral moxifloxacin placebo should be 
discontinued.  Subjects will continue to receive oral lefamulin plus oral linezolid 
placebo to complete 10 days of study drug therapy as shown in Table 5 below.  
• Subjects who were suspected to have MRSA at Screening and whose microbiological 
results do NOT confirm MRSA will have linezolid or matching placebo discontinued and 
will continue treatment with study drug for 7 days as shown in Table 4 below. 
• Subjects whose microbiological results confirm S. aureus bacteremia (either methicillin-
susceptible or methicillin-resistant) will be discontinued from study drug and have 
appropriate alternate therapy initiated promptly.  If possible, blood samples should be 
collected and sent for microbiological culture prior to switching to alternate therapy. 
NOTE:  If a subject is determined to have an infection caused by MRSA plus an organism 
known to be resistant to linezolid, the Sponsor’s medical monitor should be contacted. 
If MRSA is confirmed as an etiological pathogen, but the subject was not prescribed 
adjunctive linezolid at Screening, the Investigator should assess the subject’s clinical status at 
the time the microbiological results become available.  If at this time the subject is 
demonstrating clear and progressive clinical improvement (e.g., improving temperature, 
respiratory signs and symptoms, etc.), then the subject may remain on blinded study drug 
therapy (i.e., lefamulin or moxifloxacin) and receive a total of 10 days of treatment.  If not, 
then the subject should be discontinued from study drug therapy and appropriate alternative 
therapy initiated promptly.  Linezolid or matching placebo cannot be added as study drug 
therapy subsequent to Day 1. 
Similarly, if local laboratory susceptibility results from the screening cultures reveal 
resistance to a fluoroquinolone or linezolid, the Investigator should assess the subject’s 
clinical status at the time the microbiological results become available.  If at this time the 
subject is demonstrating clear and progressive clinical improvement (e.g., improving 

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temperature, respiratory signs and symptoms, etc.), then the subject may remain on blinded 
study drug therapy.  If not, then the subject should be discontinued from study drug therapy 
and appropriate alternative therapy initiated promptly. 
5.5.3 
Optional Switch to Oral Study Drug 
Subjects will be permitted to switch from IV to oral study drug (i.e., lefamulin or 
moxifloxacin ± linezolid or matching placebo) if all of the following criteria are met: 
• Have received at least 6 doses of IV therapy; 
• Are hemodynamically stable, as defined by a normalizing (including return to pre-
pneumonia baseline) heart rate, respiratory rate, systolic blood pressure and oxygen 
saturation; 
• Have a normalizing temperature curve with a maximum temperature in the previous 24 
hours of <38.0°C (<100.4°F); 
• Have demonstrated improvement in at least 1 severity category (e.g., moderate to mild) in 
at least 2 of 4 cardinal symptoms of CABP 
- 
Dyspnea  
- 
Cough  
- 
Sputum production  
- 
Chest pain;  
• Are able to swallow and absorb oral medications (i.e., normally functioning 
gastrointestinal tract).  
 
5.5.4 
Treatment Scenarios 
The treatment scenarios for IV plus oral study drug are outlined in the tables below.   

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Table 4. 
CABP (not caused by MRSA) 
Study Drug 
Regimen 
Duration/Additional Dosing Information 
Lefamulin 
150 mg IV q12h 
Total duration of blinded study drug = 7 days of active treatment. 
Days 1-3 = IV; 
Days 4-7 = IV or PO 
If IV study drug administration is switched to oral, moxifloxacin placebo 
will be administered q24h through Day 7. 
 
600 mg PO q12h 
Moxifloxacin 
400 mg IV q24h 
Total duration of blinded study drug = 7 days of active treatment. 
Days 1-3 = IV; 
Days 4-7 = IV or PO  
Separate, alternating doses of IV placebo will be administered q24h such 
that IV study drug is administered q12h; 
If IV study drug administration is switched to oral, lefamulin placebo will 
be administered q12h through Day 7. 
 
400 mg PO q24h 
NOTE:  Subjects with confirmed Staphylococcus aureus bacteremia should have study drug discontinued and appropriate 
alternate therapy should be initiated promptly. If possible, blood samples should be collected for microbiological culture 
prior to switching to alternate therapy. 
 
 
 
Table 5. 
CABP (MRSA suspected at Baseline and confirmed Post-baseline) 
Study Drug 
Regimen 
Duration/Additional Dosing Information 
Lefamulin 
150 mg IV q12h 
Total duration of blinded study drug = 10 days of active treatment. 
Days 1-3 = IV;  
Days 4-10 = IV or PO 
If IV study drug administration is switched to oral, moxifloxacin placebo 
will be administered q24h until an etiologic pathogen is confirmed (see 
below). 
Linezolid placebo q12h x 10 days (IV Days 1-3, IV or PO Days 4-10) 
 
600 mg PO q12h 
Moxifloxacin 
400 mg IV q24h 
Total duration of blinded study drug = 10 days of active treatment. 
Days 1-3 = IV;  
Days 4-10 = IV or PO 
Separate, alternating doses of IV placebo will be administered q24h such 
that IV study drug is administered q12h; 
If IV study drug administration is switched to oral, lefamulin placebo 
will be administered q12h 
Linezolid 600 mg q12h x 10 days (IV Days 1-3; IV or PO Days 4-10) 
 
400 mg PO q24h 
NOTE:  If results of baseline respiratory tract cultures do not confirm MRSA as an etiological pathogen, then linezolid 
or matching placebo will be discontinued and the subject will complete 7 days of study drug as shown in Table 4 above. 
NOTE:  If results of baseline respiratory tract cultures confirm MRSA as an etiological pathogen during the IV treatment 
period, then IV moxifloxacin (for subjects in the moxifloxacin treatment arm) or IV linezolid placebo (for subjects in the 
lefamulin treatment arm) should be discontinued. If results of baseline respiratory tract cultures confirm MRSA as an 
etiological pathogen after a subject has switched to oral treatment, then oral moxifloxacin (for subjects in the 
moxifloxacin treatment arm) or oral moxifloxacin placebo (for subjects in the lefamulin treatment arm) should be 
discontinued.   
NOTE:  Subjects who are confirmed to have Staphylococcus aureus bacteremia should have study drug discontinued and 
appropriate alternate therapy should be initiated promptly. If possible, blood samples should be collected for 
microbiological culture prior to switching to alternate therapy. 
NOTE:  If a subject is determined to have an infection caused by MRSA plus an organism known to be resistant to 
linezolid, the Sponsor’s medical monitor should be contacted. 
 

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5.6 
Timing of Dosing and Dose Administration 
Blinded IV study drug (lefamulin, moxifloxacin, linezolid, and matching placebo) will be 
administered approximately every 12 hours.  Blinded IV lefamulin and moxifloxacin study 
drug doses will be infused over approximately 60 minutes.  Blinded IV linezolid and 
matching placebo will also be infused over approximately 60 minutes.  In subjects with 
suspected or confirmed MRSA, IV lefamulin and IV linezolid placebo or IV moxifloxacin 
and IV linezolid may be administered concurrently if two separate IV lines are used. If only 
one IV line is used, IV lefamulin and moxifloxacin should always be infused prior to 
linezolid or matching placebo.  
The first dose of study drug will be administered on Day 1, as soon as possible after the 
diagnosis of CABP and completion of all required Day 1 procedures as outlined in Table 3; 
subsequent study days are consecutive calendar days.  Every attempt should be made to 
administer 2 doses of study drug on Study Day 1. On Day 1, if q12h dosing is not feasible, 
the 1st and 2nd doses may be administered as close as 8 hours apart, in order to allow 2 doses 
to be given on Day 1.  In this circumstance, the subject’s dosing schedule should be adjusted 
on Day 2 to a regular q12h morning and evening schedule.  Despite this, there may still be 
instances where it is not possible to administer 2 doses on Day 1.  Subjects who receive only 
a single dose of study drug on Day 1 will receive their final dose in the morning on either 
Day 8 (to complete a 7-day course) or on Day 11 (to complete a 10-day course).  
As described above, subjects randomized to the moxifloxacin treatment arm will receive IV 
moxifloxacin alternating with IV placebo to maintain the blind.  Subjects should always 
receive active IV moxifloxacin as the first dose on Day 1.  Subjects who begin therapy in the 
evening on Study Day 1 and whose schedule does not permit a second dose on Day 1 should 
have their dosing schedule adjusted on Day 2, so that active IV moxifloxacin is given as part 
of the morning dosing on all subsequent days.  
Example 1:  If a subject begins therapy at 3pm on Day 1, a second dose may be 
given at 11pm on Day 1.  The subject’s dosing schedule may then be adjusted 
on Day 2 to a regular q12h schedule (e.g., 8am and 8pm dosing). In this 
scenario, subjects randomized to moxifloxacin will receive active IV 
moxifloxacin at 3pm and IV matching placebo at 11pm on Day 1. 
Example 2:  If a subject begins therapy at 5pm on Day 1, it is not possible to 
give a second dose on Day 1 within the 8 hour minimum between doses.  
Therefore, the subject will receive a single dose on Day 1, and then be adjusted 
on Day 2 to a regular q12h dosing schedule (e.g., 6am and 6pm dosing). In this 
scenario, subjects randomized to moxifloxacin will receive active IV 
moxifloxacin at 5pm on Day 1, active IV moxifloxacin again in the morning on 
Day 2 (e.g., 6am) and IV matching placebo in the evening on Day 2 (e.g., 6pm).  
Subjects who require a 7-day course of study drug and who receive only a single 
dose of study drug on Day 1 will receive their final dose in the morning on Day 
8 (to complete a 7-day course).  Subjects who require a 10-day course of study 
drug and who receive only a single dose of study drug on Day 1 will receive 
their final dose on Day 11 (to complete a 10-day course).   

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Oral study drug doses of lefamulin, linezolid or matching placebo are to be administered 
approximately q12h.  Oral moxifloxacin (or matching placebo) should be administered 
approximately q24h.  Oral moxifloxacin (or matching placebo for subjects in the lefamulin 
treatment arm) will always be given as part of the morning dosing.  
Every effort should be made to maintain a q12h dosing schedule, about the same time each 
day.  On days when this is not feasible, doses should be given within 4 hours of the 
scheduled dosing time (i.e., a minimum of 8 hours between doses).  
Oral study drug should be administered at least 1 hour before a meal or 2 hours after a meal.  
However, in the event that a subject has taken any of the following − antacids containing 
aluminum, products containing iron, or multivitamins containing zinc − study drug should be 
administered 2 hours before or 4 hours after consuming any of these medications.  Oral doses 
should be administered with approximately 240 mL (8 ounces) of water.  
The lot numbers and expiration dates of all study drugs supplied will be recorded. 
Infusions will be administered via an infusion set and IV catheter at a controlled rate over 
approximately 60 minutes. 
Subjects are not required to be hospitalized for entry into the protocol; however, while 
subjects are hospitalized, all doses of study drug will be administered by hospital staff or 
study personnel. Subjects may receive IV dosing as an outpatient; however, all IV dosing 
should be administered by hospital staff or study personnel (i.e., subjects are not permitted to 
self-administer IV study drug). In the event the subject is discharged from the hospital during 
the oral study drug administration period, subjects may self-administer oral study drug at 
home (see Section 5.10). 
5.7 
Preparation of Infusions 
A Pharmacy Manual will be provided to investigative sites with additional details on 
preparation of study drug material.   
Lefamulin 
For IV administration of lefamulin, the concentrate will be diluted into 250 mL of 10 mM 
citrate buffered 0.9% saline provided by the Sponsor (PVC-free, latex-free 250 mL infusion 
bag).   
Moxifloxacin 
Moxifloxacin is provided as ready-to-use 250 mL latex-free flexibag as a sterile preservative-
free, 0.8 % NaCl aqueous solution of moxifloxacin hydrochloride (containing 400 mg 
moxifloxacin).  Moxifloxacin should only be mixed with water for injections, Sodium 
chloride 0.9%, Sodium chloride 1 molar, Glucose 5%/10%/40%, Xylitol 20%, Ringer's 
solution, Compound Sodium Lactate Solution (Hartmann's Solution, Ringer-Lactate 
Solution). 

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Linezolid 
Linezolid is provided as ready-to-use 300 ml flexible plastic (latex-free) infusion bag 
(containing 600 mg linezolid).  If linezolid is to be given concomitantly with another drug 
IV, each drug should be given separately in accordance with the recommended dosage and 
route of administration for each product. 
If the same IV line is used for sequential infusion, the line should be flushed before and after 
infusion of linezolid with an infusion solution that is compatible with linezolid and with any 
other drug(s) administered. 
Placebo 
A 250 mL bag of 0.9% NaCl for injection will be provided by the sponsor to be utilized as 
placebo for lefamulin IV injection, moxifloxacin IV injection and linezolid IV injection. 
5.8 
Blinding 
This is a double-blind, double-dummy study.   
All IV infusions will be prepared by an unblinded pharmacist.  Blinding of IV lefamulin, 
moxifloxacin, linezolid and matching placebo will be achieved using a bag cover and IV 
tubing cover. IV study drug will be administered by an unblinded designee(s) at the study 
site.  The Investigator, study personnel not performing study drug administrations, the 
Sponsor, and the subject will not know what study drug is being administered. Unblinded site 
personnel who administer study drug will not perform other study related procedures or 
evaluations.  Only blinded study personnel will perform other study related procedures and 
evaluations. Intravenous infusions should be administered at a controlled rate (over 
approximately 60 minutes).  For blinding purposes, in subjects receiving linezolid/matching 
placebo, if an infusion pump with a digital display is used, then the unblinded site personnel 
administering study drug must remain with the subject for the duration of the IV 
linezolid/matching placebo infusion.  Oral formulations will be provided in blister packs and 
all oral study medication administration will utilize a “double-dummy” technique.  Lefamulin 
or matching placebo tablets will be provided by the Sponsor.  Moxifloxacin and linezolid 
will be over encapsulated; matching placebo capsules will also be provided by the Sponsor.   
A member of the Sponsor’s drug metabolism and pharmacokinetics group (or his/her 
designee) will be unblinded to therapy assignment in order to perform PK assessments.  
Sponsor representatives will be unblinded in order to perform monitoring of study drug 
accountability on an ongoing basis throughout the study.  A DMC will review summary 
safety data by masked treatment group throughout the study.  In addition, as needed to meet 
regulatory reporting requirements on a country-by-country basis, designated 
pharmacovigilance personnel may be unblinded to treatment status of individual patients.  In 
this circumstance, and if there are no other concerns, neither the Sponsor nor the clinical site 
staff will be unblinded to treatment status.   

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5.9 
Unblinding of Therapy Assignments 
Unblinding of therapy assignment may be requested in an emergency if unblinding is 
considered necessary for medical management of the subject.  In such a case, the Investigator 
must contact the Sponsor (or designee) and document the reason(s) for the request to unblind.   
The Sponsor (or designee) must document any such communication with an Investigator.  
The IRT system will record the date of any unblinding of individual therapy assignments.   
The study will be unblinded for the primary analysis after the study database is locked, which 
will occur after the last subject randomized in the study has completed the 30-day post 
treatment follow-up assessment period.   
5.10 Adherence 
While subjects are inpatients, hospital staff or study personnel will administer all doses of 
study drug.  The date, start and stop time of each IV dose, the date and time of the first oral 
dose, the date of the last oral dose, and the number of tablets/capsules taken for the oral dose 
will be recorded in the eCRF.  Subjects may receive IV dosing as an outpatient; however, all 
IV dosing should be administered by designated unblinded hospital staff or study personnel 
(i.e., subjects are not permitted to self-administer IV study drug). 
If subjects are discharged from the hospital during the study drug administration period, 
subjects may self-administer oral study drug at home.  An adequate supply of oral study drug 
will be dispensed for home use.  Prior to discharge, subjects will be provided instructions 
regarding the dosing schedule.  
Outpatient subjects will be instructed to bring all used and unused blister packs to each study 
visit so that drug accountability can be reviewed by study personnel.  
The site of care/site of IV study drug administration (e.g., emergency room, IV infusion 
center, subject’s home, etc.) will be recorded on each study day. 
5.11 Occupational Safety 
Lefamulin, moxifloxacin, and linezolid being used in this study are not expected to pose a 
significant occupational safety risk to site staff under normal conditions of use and 
administration.  
A Material Safety Data Sheet describing occupational hazards and recommended handling 
precautions either will be provided to the Investigator, where this is required by local laws, or 
is available upon request from Nabriva Therapeutics AG. 
In line with good handling of chemical products, precautions are to be taken to avoid eye 
contact, and generating aerosols or mists.  In the case of unintentional occupational exposure, 
any signs or symptoms should be treated appropriately and the Sponsor notified. 

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6 
STUDY ASSESSMENTS AND PROCEDURES 
The schedule of study procedures is presented in Table 3.  Subjects meeting the eligibility 
criteria listed in Section 4 may be enrolled in the study after the nature and purpose of the 
protocol have been explained and written informed consent to participate has been 
voluntarily given by the subject or the subject’s legally authorized representative in 
accordance with local regulations.  Study personnel must complete all screening procedures 
after informed consent is signed and prior to the first dose of study drug.  Note: Assessments 
performed as part of routine standard of care prior to consent (e.g., chest X-ray, blood 
culture) may be used to satisfy study screening requirements; however, no study specific 
procedures may be performed prior to informed consent.   
During the Study Drug Administration Period, the start of the first study drug infusion is 
counted as 0 h on Day 1.  The Investigator should make every effort to perform procedures at 
the scheduled times and to record the actual time of the procedures, where appropriate, in the 
subject's eCRF.  
For subjects who are screened (i.e., those with signed written informed consent) but who are 
not randomized, the reason for screening failure will be recorded. 
NOTE:  All subjects must have an in person visit at the study site that is 96 ± 24 hours 
after the first dose of study drug to assess CABP signs and symptoms for calculation of 
ECR.  Subjects who are receiving oral medication at home will be informed as to the timing 
of this visit by study personnel.   
6.1 
Medical/Surgical History and Physical Examination 
A medical and surgical history will be taken at Screening.  All medical history findings that 
have been present/active within the 5 years prior to enrollment will be entered into the eCRF 
regardless of clinical relevance or presence at study start.  Medical history findings that have 
not been present within the 5 years prior to enrollment will be recorded if deemed clinically 
relevant by the Investigator to the conduct of the study.  The medical history should include 
drug allergy history, past and present smoking status, influenza virus and pneumococcal 
vaccination history, as well as the presence of influenza virus infection during the current 
illness.   
A complete physical examination will be performed by the Investigator at Screening.  At the 
time points specified in Table 3, subsequent directed physical examinations will be 
performed according to standard institutional practices and must be documented in source 
documents. 
Body weight and height will be measured at Screening only.   
6.2 
PORT Risk Class Assessment 
Study personnel will determine the subject’s PORT Score (Table 6) and subsequent PORT 
Risk Class (Table 7) at Screening only. 

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Table 6. 
PORT Score Determination 
Patient Characteristic 
Point Assignment 
Age 
1 point for each year of age 
Female 
–10 if yes 
Neoplastic disease history 
+30 if yes 
Liver disease 
+20 if yes 
Congestive heart failure 
+10 if yes 
Cerebrovascular disease 
+10 if yes 
Renal disease 
+10 if yes 
Altered mental status 
+20 if yes 
Respiratory rate ≥30 breaths/min 
+20 if yes 
Systolic blood pressure<90 mmHg 
+20 if yes 
Temperature <35ºC (95ºF) or ≥40ºC (104ºF) 
+15 if yes 
Pulse ≥125 beats/min 
+10 if yes 
pH <7.35 (from ABG) 
+30 if yes 
(+0 if ABG not obtained) 
Blood urea nitrogen >30 mg/dL (Urea >11 mmol/L) 
+20 if yes 
Sodium <130 mmol/L 
+20 if yes 
Glucose ≥250 mg/dL (≥14 mmol/L) 
+10 if yes 
Hematocrit <30% 
+10 if yes 
Partial pressure of arterial O2 <60 mmHg (from ABG if medically 
indicated) or O2 saturation <90% (by pulse oximetry) 
+10 if yes 
Pleural effusion on radiograph 
+10 if yes 
 
 
 
PORT SCORE 
Sum of Applicable Numbers Above 
 
Table 7. 
PORT Risk Class Determination 
PORT Risk Class 
PORT Score 
I (Ineligible for Study) 
0-50 
II (Ineligible for Study) 
51-70 
III 
71-90 
IV 
91-130 
V 
>130 
 
6.3 
Electrocardiograms 
Triplicate 12-lead ECGs will be performed within a 5-minute interval at time points specified 
in Table 3.  The subject should be stabilized in a supine position for 5 minutes before 
recording the ECG at Screening.  ECG recordings should allow a full assessment of QT 
intervals.  Machine-read values for QTc/QTcF will be evaluated for determination of 
eligibility at Screening.  If the quality of the ECG is insufficient then it must be repeated.  All 
ECG data must be reviewed by the Investigator or designee and any findings of clinical 
significance found following Screening will be recorded as AEs in the eCRF.  In addition, 
advice may be sought from appropriate cardiologists, if necessary. ECGs will be made 

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available to the Sponsor for review and will be sent to a Cardiac Core Laboratory for further 
evaluation.  
6.4 
Vital Signs and Oxygen Saturation 
Vital signs (HR, BP, respiratory rate and body temperature) and oxygen saturation will be 
recorded at time points specified in Table 3.  Blood pressure and heart rate assessments will 
be performed according to standard practice at the clinical sites.  Study personnel will record 
the highest daily temperature measured, the anatomical site where temperature was measured 
and the accompanying vital sign measurements in the eCRF. If Screening and Day 1 occur on 
the same day, vital signs should be obtained as part of the Screening evaluation (prior to 
administration of any study drug) and repeated as part of the Day 1 assessment (record the 
vital signs associated with the highest temperature post dosing). If EOT and the last day of 
study drug are the same day, vital signs do not need to be repeated, they may be recorded 
once on that day (i.e., as part of the EOT assessment). 
In addition, if the subject is receiving supplemental oxygen therapy, the amount given will be 
recorded in the eCRF. 
Vital signs measurements are to be repeated if clinically significant changes or machine 
errors occur.  Out of range BP and HR will be repeated at the Investigator’s discretion.  
Semi-supine BP and HR will be measured more frequently if warranted by the clinical 
condition of the subject.   
6.5 
Chest X-Ray or CT Scan 
Chest x-ray or CT scan will be performed at the time points specified in Table 3 and 
evaluated by the Investigator (or designee) to qualify a patient for enrollment; however, the 
imaging study must also be interpreted by a radiologist.  The test date and the radiologist’s 
reading/interpretation will be recorded in the eCRF.   
6.6 
Arterial Blood Gases 
Study sites are not required to measure arterial blood gases (PaO2, PaCO2) or pH.  However, 
if these data are available, they should be recorded in the eCRF 
6.7 
Prior and Concomitant Medications 
Prior and concomitant medications that will be recorded include prescription medications, 
dietary supplements/vitamins, and over-the-counter medications.  Topical medications will 
be recorded only if used as treatment for an AE.  The minimum requirement is that drug 
name, indication and the stop and start dates of administration are to be recorded.  For the 
following agents, the drug dose, route and frequency will also be collected in the eCRF: 
• Systemic antibacterial agents 
• Corticosteroids 

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Additionally, for systemic antibacterial agents start time and stop time will be recorded. 
6.7.1 
Prior Medications 
A medication history will be taken at Screening.  All medications taken within 1 week prior 
to Day 1 will be entered into the eCRF. 
6.7.2 
Concomitant Medication 
All concomitant medications taken during the study will be recorded in the subject's eCRF.  
In the case that additional antibiotic treatment is required for the current episode of CABP, 
the subject’s study drug will be discontinued and they will be considered to have an IACR of 
Failure; however, subjects will continue to be followed for safety as detailed in Section 
6.17.1.  
Although all drugs that are metabolized by CYP3A4 are not prohibited, they should only be 
used when necessary and with appropriate subject monitoring.  In vitro studies demonstrated 
that lefamulin may inhibit the metabolism of substrates of CYP3A4; however, results 
obtained from Phase 1 drug interaction studies performed demonstrate that lefamulin has a 
marginal effect on CYP3A4 inhibition in humans and no change in lefamulin’s dose is 
required.  In addition, all drugs that are P-glycoprotein substrates are not prohibited; 
however, they should only be used when necessary and with appropriate subject monitoring.  
A list of drugs that are CYP3A4 substrates and P-glycoprotein substrates is provided in 
Appendix 3. 
Close monitoring is recommended in subjects who require medication that can reduce 
potassium levels (e.g., loop and thiazide-type diuretics, laxatives and enemas [high doses], 
corticosteroids, amphotericin B) or medication that is associated with clinically significant 
bradycardia. 
6.8 
Prohibited Medications 
The following medications are prohibited:   
• Prior (within 72 hours before randomization) oral or IV antibacterials for CABP.   
- 
NOTE:  Up to 25% of subjects may have a single dose of a short acting antibiotic for 
the current episode of CABP within 24 hours of randomization.   
- 
EXCEPTION:  A subject who has received >48 hours of prior systemic antibacterial 
therapy for the current episode of CABP with unequivocal evidence of treatment 
failure (i.e., worsening signs and symptoms) and the isolation of an organism from 
blood or respiratory tract that is resistant to the prior systemic antibacterial therapy, 
providing the organism is not resistant to fluoroquinolones and, in the case of MRSA, 
oxazolidinones.  
• Agents that prolong the QT interval (see Appendix 5) 

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• Other systemic antibacterial agents that are potentially effective against pathogens 
associated with CABP except in the case of treatment failure or when medically 
necessary for treatment of a concomitant infection.  
 
NOTE:  The following antibacterial agents are permitted: 
- 
Anti-tuberculosis drugs (exception: Rifampin) 
- 
Cinoxacin 
- 
Dapsone 
- 
Enoxacin 
- 
Fidaxomicin 
- 
Methenamine Mandelate 
- 
Metronidazole 
- 
Naladixic Acid 
- 
Nitrofurantoin 
- 
Norfloxacin 
- 
Oral Vancomycin 
• Systemic corticosteroids at a dose ≥ 20 mg per day (prednisone equivalent) 
• Anti-epilepsy or seizure medication 
• Strong p-glycoprotein inhibitors and strong CYP3A inhibitors or inducers (see 
Appendix 4).  [NOTE:  The use of contraceptives containing progesterone is not 
permitted.] 
• Monoamine oxidase inhibitors, serotonergic agents or adrenergic agents (dobutamine, 
dopamine, epinephrine, norepinephrine, phenylpropanolamine, pseudoephedrine) (only 
for subjects in whom linezolid is added for MRSA). 
 
6.9 
Nonpharmacologic Treatments and Procedures 
Nonpharmacologic treatments and procedures (e.g., surgical, diagnostic) that occur during 
the study will be entered into the eCRF, including the date and reason for the 
treatment/procedure. 
6.10 Assessment of Clinical Signs and Symptoms of CABP 
Clinical signs and symptoms of CABP will be assessed at the time points specified in Table 
3.  Signs and symptoms are not obtained at TOC or LFU if the subject previously had an 
IACR of Failure.  
The intensity of each symptom (dyspnea, cough, sputum production, and chest pain) will be 
evaluated and recorded as absent, mild, moderate or severe based on the definitions in Table 
8 below.  Subjects who are discharged to home will be contacted by phone to assess signs 
and symptoms of CABP daily while on study drug. 

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NOTE:  All subjects must have a face-to-face assessment of CABP signs and symptoms 
96 ± 24 hours after the first dose of study drug.  Subjects who are receiving outpatient 
study drug (IV or oral) during this timeframe MUST have a visit at the study site for 
this assessment. Study personnel will inform outpatients as to the timing of this required 
study site visit.   
Table 8. 
Definitions of Symptom Intensity 
Symptom 
Absent (0) 
Mild (1) 
Moderate (2) 
Severe (3) 
Dyspnea 
 
Resolution (to pre-
CABP baseline) or 
absence of 
dyspnea 
Dyspnea on 
exertion (e.g., 
climbing stairs) 
Dyspnea with 
normal/routine 
activities (e.g., 
walking) 
Dyspnea at rest or 
requiring oxygen 
therapy 
Cough 
Resolution (to pre-
CABP baseline) or 
absence of cough 
Transient, does 
not interfere with 
normal activity 
Frequent, 
interferes with 
normal activity or 
sleep 
Constant, 
interferes with 
most or all 
activity or sleep 
Production of 
purulent sputum 
Resolution (to pre-
CABP baseline) or 
absence of sputum 
production 
Sputum 
production rarely 
causes difficulty 
or distress 
Sputum 
production often 
causes difficulty 
or distress 
Constant 
difficulty with 
sputum 
production 
Chest pain 
Resolution or 
absence of chest 
pain related to 
CABP 
Transient, does 
not interfere with 
normal activity 
Frequent, 
interferes with 
normal activity or 
sleep 
Constant, 
interferes with 
most or all 
activity or sleep 
 
The assessment of the clinical signs and symptoms of CABP will be used to determine ECR 
which will be calculated programmatically.  The decision to maintain a subject on study 
drug therapy will be made by the Investigator, based on all available data and his or her best 
clinical judgment.  
• Subjects will be programmatically defined as a Responder if the following 4 criteria are 
met: 
- 
Alive 
- 
Improvement in at least 2 of the 4 cardinal symptoms of CABP the subject presented 
with at Baseline. Improvement is defined as a decrease by at least 1 level of severity. 
- 
No worsening of any of the 4 cardinal symptoms of CABP. Worsening is defined as 
an increase by at least 1 level of severity of any symptom. 
- 
Did not receive a concomitant antibiotic (other than adjunctive linezolid) for the 
treatment of CABP up through 120 hours after the first dose of study drug. 
 

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• Subjects will be programmatically defined as a Non-Responder if any of the following 
criteria are met: 
- 
Did not show an improvement in at least 2 of the 4 cardinal symptoms of CABP the 
subject presented with at Baseline. Improvement is defined as a decrease by at least 1 
level in severity; or 
- 
Worsening of any of the 4 cardinal symptoms of CABP. Worsening is defined as an 
increase by at least 1 level in severity for any symptom; or 
- 
Received a concomitant antibiotic (other than adjunctive linezolid) for the treatment 
of CABP; or 
- 
Died from any cause. 
 
• Subjects will be programmatically defined as an Indeterminate if the following criterion 
is met: 
- 
The symptom data are missing such that a response or non-response cannot be 
determined.  
 
6.11 Investigator’s Assessment of Clinical Response (IACR) 
The Investigator will assess Clinical Response at time points specified in Table 3. 
6.11.1 
Investigator’s Assessment of Clinical Response (IACR) at End of Treatment 
and Test of Cure 
The Investigator’s Assessment of Clinical Response will be classified as Success, Failure or 
Indeterminate at EOT and TOC based on the following criteria: 
• Success:  The subject’s clinical signs and symptoms have resolved or improved such that 
no additional antibacterial therapy is administered for the treatment of the current episode 
of CABP. 
• Failure:  A subject is a treatment Failure if any of the following is met:  
- 
Signs and symptoms of CABP have not resolved, not improved, or have worsened 
such that non-study antibacterial therapy is administered for the treatment of the 
current episode of CABP. 
- 
Measures of inflammation such as temperature or elevated WBC have worsened or 
failed to improve such that non-study antibacterial therapy is administered for the 
treatment of the current episode of CABP. 
- 
Bacteremia has worsened or failed to improve resulting in administration of non-
study antibacterial therapy. 
- 
The occurrence of an AE requiring discontinuation of study drug and institution of 
non-study antibacterial therapy for the treatment of the current episode of CABP. 
- 
Death from any cause.  

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• Indeterminate:  Insufficient information is available to determine Success or Failure, 
specifically lost to follow-up. 
 
NOTE:  Subjects who have an IACR of Failure at EOT will not have an IACR assessed at 
TOC and will be considered to have an IACR of Failure at TOC. 
6.11.2 
Investigator’s Assessment of Clinical Response (IACR) at Late Follow Up 
For subjects who do not have an IACR of Failure at TOC, a determination of Clinical 
Response (Sustained Success, Relapse or Indeterminate) will be made at LFU based on the 
following criteria: 
• Sustained Success:  The subject’s clinical signs and symptoms remain resolved or 
further improved such that no additional antibacterial therapy has been administered for 
the treatment of the current episode of CABP. 
• Relapse:  The subject was a Clinical Success at TOC, however, any of the following are 
met:  
- 
Clinical signs and symptoms of CABP have recurred such that additional non-study 
antibacterial therapy is administered for the treatment of the current episode of 
CABP. 
- 
Measures of inflammation such as temperature or elevated WBC have recurred such 
that additional non-study antibacterial therapy is administered for the treatment of the 
current episode of CABP. 
- 
Recurrent bacteremia resulting in administration of non-study antibacterial therapy. 
- 
Death from any cause. 
• Indeterminate: Insufficient information is available to determine Sustained Success or 
Relapse, specifically lost to follow-up. 
 
NOTE:  Subjects who have an IACR of Failure at EOT or TOC will not have an IACR 
assessed at LFU and will be considered to have an IACR of Failure at LFU. 
6.12 Clinical Laboratory Tests (Safety) 
Safety laboratory tests will be performed at the time points specified in Table 3 and sent to a 
Central Laboratory. Blood samples sent to the local laboratory for the purposes of 
determining study eligibility must be repeated and sent to the central laboratory following 
enrollment.  Collect blood and/or urine at LFU only if the subject had an abnormal (high/low 
flag) result at TOC. Additional tests may be performed at the discretion of the Investigator if 
deemed clinically appropriate.  Subjects treated as outpatients must agree to return to the site 
for blood draws. 
A full list of the clinical laboratory tests that will be performed and analyzed can be found in 
Appendix 1.  A pregnancy test will be performed on all females who are not surgically sterile 

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or post-menopausal for at least 2 years.  A negative urine pregnancy test is required prior to 
randomization and must be confirmed as soon as possible using a serum pregnancy test. 
Any safety laboratory results outside the normal range will be repeated at the discretion of 
the Investigator and will be evaluated by the Investigator or designee as “clinically 
significant” or “not clinically significant.”  Any clinically significant value should be 
repeated as necessary and followed until resolution. 
6.13 Sample Collection for Pharmacokinetic Analysis 
Blood samples for PK analysis of lefamulin and its main metabolite, BC-8041, in plasma 
following IV dosing will be collected in association with the morning dose of study drug on 
Study Day 3 as specified in Table 9 below.  
Table 9. 
Sample Collection Time Points for the Determination of Lefamulin 
Plasma Concentrations following IV Infusion 
Sample Time 
Day 3 (morning dose) 
Within 1 h prior to the morning infusion of study drug 
X 
Within 10 minutes following the end of infusion 
X 
2-4 h following the end of infusion 
X 
8-12 h following the end of infusion 
X 
 
In a subset of subjects, after switching from IV to oral treatment, blood samples for PK 
analysis will be collected relative to the first morning dose of oral drug as specified in Table 
10 below.  Blood sampling for PK analysis following oral dosing will be optional, and will 
be limited to subjects who agree via written consent, and for whom the additional blood 
collection is logistically feasible.  
Outpatients who have consented for oral drug PK samples will return to the clinical site for 
PK blood collection relative to the first morning dose of oral drug.  These subjects should be 
instructed to not take their first morning dose of study drug at home that day, rather to bring 
all blister packs (used and unused) to the study site.  Following collection of the pre-dose 
blood sample, subjects will take their dose of study drug under supervision of study 
personnel, and subsequent PK blood samples will be collected.   
Table 10. 
Sample Collection Time Points for the Determination of Lefamulin 
Plasma Concentrations after Switch to Oral Treatment 
Sample Time 
1st oral morning dose after switch 
Within 1 h prior to 1st morning dose of oral study drug (Cmin)  
X 
1-3 h after oral drug administration 
X 
4-8 h after oral drug administration 
X 
 

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NOTE:  For all subjects it is essential to record the exact date and actual time of each study 
drug administration for all IV doses as well as for the 1st oral dose.  Additionally, for subjects 
who have blood collected for PK in association with the first morning oral dose, it is essential 
to record the exact date and actual time of all oral doses up to and including the PK sampling 
dose.  Documentation of the exact blood sampling time points for population PK analysis is 
also essential (see Section 5.10 – Adherence). 
6.13.1 
Sample Collection Methodology  
Blood samples for PK analysis will be collected from a vein in the opposite arm from the arm 
in which infusion is given into tubes containing K3EDTA, immediately chilled on crushed 
ice, and then centrifuged to separate plasma.  Promptly following centrifugation, plasma 
specimens will be immediately deep frozen and stored at -20ºC or cooler until transported.  
The total time period from blood withdrawal to storage of plasma at -20ºC should not exceed 
60 minutes.   
Additional information and instructions for blood sample collection is provided in the 
investigative site study manual. 
6.13.2 
Assay Methodology  
Plasma samples from subjects who received lefamulin will be analyzed for the concentration 
of lefamulin and its major metabolite, BC-8041, using a validated liquid chromatography-
tandem mass spectrometry method at the bioanalytical laboratory.  Samples from subjects 
who did not receive lefamulin (i.e., received the comparator) will not be analyzed.  Scientists 
at the bioanalytical laboratory will be unblinded before bioanalysis. 
6.14 Microbiological Assessment 
The following microbiological assessments will be performed at the time points described in 
Table 3.  Details regarding storage of samples and shipment to the central laboratory can be 
found in the Laboratory Manual. 
6.14.1 
Sputum Samples 
• A sputum sample will be taken at Screening for Gram’s staining, culture and 
susceptibility testing at the local/regional laboratory.  If a subject is unable to produce an 
adequate sputum sample at Screening, a specimen may be obtained within 24 hours after 
the first dose of study drug. Gram’s stain and culture results from the local/regional 
laboratory will be recorded in the eCRF. 
• If possible, subjects who are discontinued from study drug due to clinical failure should 
have repeat cultures collected for microbiologic culture prior to switching to alternate 
appropriate therapy. 
• To be adequate, Gram’s stains of sputum samples should have >25 polymorphonuclear 
(PMN) cells AND <10 squamous epithelial cells per LPF.  A repeat sample may be taken 

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if these criteria are not met.  Sputum samples will only be taken at subsequent visits when 
clinically indicated.  
• All organisms isolated from sputum samples which are not considered contaminants will 
be sent to the central laboratory for confirmatory identification and susceptibility testing.  
The following organisms, if isolated, will always be sent to the central laboratory for 
confirmatory identification and susceptibility testing: S. pneumoniae, S. aureus, S. 
pyogenes, Haemophilus spp., M. catarrhalis L. pneumophila, C. pneumoniae, and M. 
pneumoniae. Further details regarding organisms which should be sent to the central 
microbiology laboratory, including a list of organisms which if isolated will be classified 
as contaminants, can be found in the Laboratory Manual. 
• Gram’s stain slides will be sent to the central laboratory for a confirmatory reading.  The 
stained slide read by the local/regional laboratory as well as an unstained slide will be 
sent to the central laboratory. 
• A portion of each Screening sputum sample taken will be frozen until shipment to the 
central laboratory. Frozen samples will be analyzed by the central microbiological 
laboratory using real-time PCR for common CABP pathogens.  Additionally, for subjects 
who have a positive urinary antigen test for Legionella spp. the frozen sputum will be 
utilized for L. pneumophila isolation and susceptibility testing.  
 
6.14.2 
Bronchoalveolar Lavage Samples (BAL)  
A BAL sample will be collected only if clinically indicated and sent to the local/regional 
laboratory for Gram’s staining, culture and susceptibility testing.  Repeat BAL samples will 
not be required. However, if the subject undergoes a repeat bronchoscopy as clinically 
warranted, a repeat BAL sample should be sent for Gram’s staining and culture.  All 
organisms isolated from BAL samples, which are not considered contaminants, will be sent 
to the central laboratory for confirmatory identification and susceptibility testing.  Culture 
results from the local/regional laboratory will be recorded in the eCRF. 
6.14.3 
Pleural Fluid Samples 
A pleural fluid sample will be collected only if clinically indicated and sent to the 
local/regional laboratory for Gram’s staining, culture and susceptibility testing.  Repeat 
pleural fluid samples will not be required. However, if the subject undergoes a repeat 
thoracentesis as clinically warranted, a repeat pleural fluid sample should be sent for Gram’s 
staining and culture. If possible, pleural fluid samples should be incubated in blood culture 
bottles for optimal pathogen recovery.  All organisms isolated from pleural fluid samples 
which are not considered contaminants will be sent to the central laboratory for confirmatory 
identification and susceptibility testing.  Culture results from the local/regional laboratory 
will be recorded in the eCRF. 
6.14.4 
Blood Cultures 
Two sets of blood cultures via venipuncture will be obtained at Screening and sent to the 
local/regional laboratory.  Repeat blood samples for culture should be taken as clinically 
indicated during the study.  Blood cultures should be repeated after a positive result until 

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sterilization is documented.  All organisms isolated from blood cultures which are not 
considered contaminants will be sent to the central laboratory for confirmatory identification 
and susceptibility testing.  If possible, subjects who have confirmed S. aureus bacteremia 
should have blood samples collected for microbiologic culture prior to switch to alternate 
appropriate therapy. Culture results from the local/regional laboratory will be recorded in the 
eCRF. 
6.14.5 
Serological Testing 
Blood samples will be collected at Screening and LFU, and sent frozen to the central 
laboratory for serologic tests for M. pneumoniae, C. pneumoniae and L. pneumophila.   
6.14.6 
Urine Antigen Test 
A urine sample will be taken at Screening and tested at the clinical site for L. pneumophila 
and S. pneumoniae antigen testing.  Results will be recorded in the eCRF. Subjects who have 
urinary antigen test positive for Legionella sp. at Screening will have a portion of the sputum 
sample collected at Screening sent to the central laboratory for L. pneumophila testing as 
described above (Section 6.14.1).  Clinical sites that are unable to perform urinary antigen 
testing will send urine to the central laboratory for testing. 
6.14.7 
Oropharyngeal Specimen 
An oropharyngeal specimen (2 swabs) will be obtained at Screening and sent to the central 
laboratory/specialty laboratory for M. pneumoniae culture, susceptibility testing, as well as 
identification by PCR.  Oropharyngeal specimens must be frozen until shipment to the 
central laboratory.   
6.14.8 
Nasopharyngeal Specimen 
A nasopharyngeal specimen will be obtained at Screening and sent to the central 
laboratory/specialty laboratory for S. pneumoniae culture, susceptibility testing, as well as 
identification by PCR.  Nasopharyngeal specimens must be frozen until shipment to the 
central laboratory.   
6.15 Health Utilization and Patient Reported Outcome 
Exploratory evaluation of a variety of health utilization variables (e.g., length of hospital 
stay, duration of antibiotic therapy, discharge status, discharge destination) as well as a PRO 
instrument (SF-12) will be performed. Details for this exploratory analysis will be presented 
in a separate SAP and results will be presented in a stand-alone clinical study report. 
6.16 Food and Beverage Restrictions  
Subjects must comply with the following restrictions during their participation in the study: 
• Subjects who are suspected to have MRSA as a pathogen and receive adjunctive (active 
or placebo) linezolid therapy should not be on a high tyramine diet.  Large quantities of 

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foods or beverages with high tyramine content should be avoided while taking linezolid.  
Foods high in tyramine content include those that may have undergone protein changes 
by aging, fermentation, pickling, or smoking to improve flavor, such as aged cheeses, 
fermented or air-dried meats, sauerkraut, soy sauce, tap beers and red wines.  The 
tyramine content of any protein-rich food may be increased if stored for long periods or 
improperly refrigerated. Further details regarding a high tyramine diet are provided in 
Appendix 6. 
• Subjects should refrain from drinking alcohol throughout receipt of study drug. 
In addition, as discussed in Section 5.6, doses of oral study drug should be administered at 
least 1 hour before a meal or 2 hours after a meal.  However, in the event that a subject has 
taken any of the following − antacids containing aluminum, products containing iron, or 
multivitamins containing zinc − study drug should be administered 2 hours before or 4 hours 
after consuming any of these medications.   
6.17 Discontinuation from Treatment or Study 
Subjects are free to withdraw from the study at any time for any reason.  Subjects may be 
withdrawn from study at the discretion of the Principal Investigator or Sub-Investigator at 
any time.  Once a subject has been withdrawn from the study they may not be re-entered.  
Subjects who withdraw or who are withdrawn from the study will not be replaced.  If a 
subject is discontinued from treatment or from the study, the reason for discontinuation will 
be collected in the eCRF. 
6.17.1 
Discontinuation from Treatment 
A subject may be discontinued prematurely from study drug treatment for the following 
reasons: 
• Lack of efficacy (i.e., requirement for additional non-study antibacterial therapy to treat 
the current episode of CABP) 
• Adverse event 
• Withdrawal by subject [specify reason in the eCRF] 
• Lost to follow-up 
• Physician decision (i.e., Investigator decision based on protocol violation, assessment that 
it is not in the subject’s best interest to continue, or other reason) [specify reason in the 
eCRF] 
• Sponsor decision [specify reason in the eCRF] 
 
If a subject is prematurely withdrawn from study drug treatment, the Investigator should 
make every effort to retain the subject in the study and perform all procedures scheduled for 
the EOT, TOC and LFU visit. Any subject withdrawn from treatment due to an AE, SAE or 
clinically significant abnormal laboratory test value will be evaluated by the Investigator, or a 

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monitoring physician, and will be treated and/or followed up until the symptoms or values 
have either resolved or are assessed as stable by the Investigator.  
6.17.2 
Discontinuation from Study 
A subject may be discontinued prematurely from the study for the following reasons: 
• Withdrawal by subject [specify reason in the eCRF] 
• Lost to follow-up 
• Death 
• Physician decision (i.e., assessment that it is not in the subject’s best interest to continue, 
or other reason) [specify reason in the eCRF] 
• Sponsor decision [specify reason in the eCRF] 
Every attempt will be made to contact subjects who withdraw from the study in order to 
determine their vital status (alive or dead) at Day 28. 
6.17.3 
Individual Stopping Criteria 
Subjects will be withdrawn from the study drug treatment for any of the following reasons: 
• The subject demonstrates an average QTcF value > 500 ms (mean of 3 ECG’s at any time 
point) as assessed locally by the Investigator.  Such subjects should be observed until the 
ECG normalizes with repeat ECG’s taken at the discretion of the investigator. 
• The subject demonstrates an average QTcF value >480 ms with a concurrent increase in 
average QTcF value of > 60 ms (mean of 3 post-dose ECGs compared to mean pre-dose 
ECGs taken on that day) as assessed locally by the Investigator.   
• The subject has confirmed S. aureus bacteremia. 
 
If a subject is prematurely withdrawn from study treatment, the Investigator should make 
every effort to retain the subject in the study and to perform all procedures scheduled for the 
EOT, TOC and LFU visit.  Any subject withdrawn from treatment due to an AE, SAE or 
clinically significant abnormal laboratory test value will be evaluated by the Investigator, or a 
monitoring physician, and will be treated and/or followed up until the symptoms or values 
have either resolved or are assessed as stable by the Investigator.  
6.17.4 
Lost to Follow-up 
Every reasonable attempt should be made to retain subjects in the study. If a subject does not 
report to the study site for a scheduled visit, study personnel will make 4 contact attempts:  3 
telephone contact attempts and, if these are unsuccessful, a certified letter will be sent to the 
subject.  The subject will be considered lost to follow-up if (1) upon receipt of delivery 
confirmation of the certified letter the subject does not contact the site or (2) the certified 
letter is returned as undeliverable.  Every attempt will be made to contact subjects who 
withdraw from the study in order to determine their status (alive or dead) at Day 28. 

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7 
ADVERSE EVENTS 
An adverse event (AE) is any untoward medical occurrence in a subject or clinical 
investigation subject administered a pharmaceutical product that does not necessarily have a 
causal relationship with this treatment.  An AE can therefore be any unfavorable and 
unintended sign (including an abnormal laboratory finding), symptom, or disease temporally 
associated with the use of an investigational product, whether or not related to the 
investigational medicinal product.  
Any pre-existing conditions or signs and/or symptoms present in a subject prior to the start of 
the study (i.e., before informed consent) should be recorded as medical/surgical history.  Any 
medical occurrences which are new or worsened from the time of informed consent and up to 
and including the final visit must be reported as AEs or SAEs.  All AEs and SAEs must be 
recorded irrespective of whether they are considered drug related.  NOTE:  lack of 
efficacy/clinical failure does not have to be recorded as an AE unless it is an SAE. 
Subjects will be monitored throughout the study for adverse reactions to the study 
medications and/or procedures at each study visit.  Questions will be posed in a non-leading 
manner so as not to bias the response.  In addition to questioning at specific time points, 
subjects will be encouraged to spontaneously report any AEs.  Any subject with an AE, SAE 
or clinically significant abnormal laboratory test value will be evaluated by the Investigator, 
or a monitoring physician, and will be treated and/or followed up until the symptoms or 
values have resolved or are assessed as stable by the by the Investigator.  A physician, either 
at the Investigative site or at a nearby hospital emergency room, will administer treatment of 
any SAEs.  Where appropriate, medical tests and examinations may be performed to ensure 
that an AE has fully resolved.  
Adverse events will be monitored throughout the study from the time a subject is consented 
through the TOC visit; SAEs are to be collected from the time of consent through the LFU 
visit.  Whenever possible, a specific disease or syndrome rather than individual associated 
signs and symptoms should be identified by the Investigator and recorded on the subject's 
eCRF.  However, if an observed or reported sign or symptom is not considered a component 
of a specific disease or syndrome by the Investigator, it should be recorded as a separate AE 
on the subject's eCRF.  
Each AE or SAE reported will be assessed for intensity and the date and time of onset (if 
available), time relationship to dosing, duration, and outcome of each event will be noted. 
Laboratory abnormalities are not considered AEs unless they are associated with clinical 
signs and symptoms or require medical intervention.  Clinically significant abnormal clinical 
laboratory findings or other abnormal assessments that are associated with the disease being 
studied, unless judged by the Investigator as more severe than expected for the subject’s 
condition, or that are present or detected at the start of the study and do not worsen, will not 
be reported as AEs or SAEs. 
The Investigator will exercise medical and scientific judgment in deciding whether an 
abnormal clinical laboratory finding or other abnormal assessment is clinically significant.  

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7.1 
Assessment of Severity (Intensity) 
The following definitions for rating severity (intensity) will be used: 
Mild:  
A type of AE that is usually transient and may require only minimal 
treatment or therapeutic intervention. The event does not generally interfere 
with usual activities of daily living 
Moderate:  
A type of AE that is usually alleviated with specific therapeutic intervention. 
The event interferes with usual activities of daily living, causing discomfort 
but the subject is still able to function 
Severe: 
The type of AE that interrupts usual activities of daily living, or significantly 
affects clinical status, or may require intensive therapeutic intervention. 
7.2 
Assessment of Relationship to Study Drug 
The Investigator will use his/her clinical judgment to explain each adverse event and 
determine its relationship, if any, to study drug treatment.  Alternative causes, such as natural 
history of the underlying diseases, concomitant therapy, other risk factors, and the temporal 
relationship of the event to the study drug will be considered and investigated.  The 
Investigator will also consult the Investigator’s Brochure in the determination of his/her 
assessment.  Causality should be assessed using the following categories: 
Not related  
The event could readily be explained by factors not involving the study 
drug and a temporal relationship with the study drug did not exist.  
Possibly Related  
There was some temporal relationship between the event and the 
administration of the study drug and the event was unlikely to be 
explained by the subject’s medical condition or other therapies. 
Probably Related  
The temporal relationship between the event and the administration of 
the study drug was suggestive, and the event was less likely to be 
explained by the subject’s medical condition or other therapies.  
Definitely Related  The event followed a reasonable temporal sequence from administration 
of the study drug, followed a known or suspected response pattern to the 
study drug, was confirmed by improvement upon stopping the study 
drug 
(dechallenge) 
and 
reappeared 
upon 
repeated 
exposure 
(rechallenge).  (NOTE:  this was not to be construed as requiring re-
exposure of the subject, however, a category of definitely related could 
only be used when recurrence was observed.). 
7.3 
Serious Adverse Events 
An SAE is any untoward medical occurrence that: 
• Results in death. 

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• Is life-threatening. NOTE: The term ‘life threatening’ in the definition of “serious” refers 
to an event in which the subject was at risk of death at the time of the event; it does not 
refer to an event which hypothetically might have caused death if it was more severe.  
• Results in persistent or significant disability/incapacity. 
• Requires in subject hospitalization or prolongation of existing hospitalization. NOTE: 
Hospitalizations, which are the result of elective or previously scheduled surgery for pre-
existing conditions, which have not worsened after entry into the study, should not be 
classified as SAEs. For example, admission for a previously scheduled ventral hernia 
repair would not be classified as an SAE; however, complication(s) resulting from a 
hospitalization for an elective or previously scheduled surgery that meet(s) serious 
criteria must be reported as SAE(s). 
• Is a congenital anomaly/birth defect. 
• Is an important medical event. 
NOTE:  Medical or scientific judgment should be exercised in deciding whether reporting is 
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 subject or may 
require medical or surgical intervention to prevent one of the other outcomes listed in the 
above definition.  These should also be considered serious.  Examples of such events are 
invasive or malignant cancers, intensive treatment in an emergency room or at home for 
allergic bronchospasm, blood dyscrasias, or convulsions that do not result in hospitalization, 
or development of drug dependency or drug abuse. 
All SAEs for subjects occurring from the time of informed consent through the LFU visit 
must be reported to Nabriva Therapeutics AG or their representative within 24 hours of the 
knowledge of the occurrence (this refers to any AE that meets one or more of the 
aforementioned serious criteria).  Reporting is done by completing the SAE form 
electronically in the Electronic Data Capture (EDC) system for the study.  When the form is 
completed, PPD Pharmacovigilance (PVG) will be notified electronically and will retrieve 
the form. If the event meets serious criteria and it is not possible to access the system, site 
must fax the completed paper SAE report form to PPD PVG within 24 hours of awareness or 
call the PPD PVG SAE hotline.  When the EDC system becomes available, the SAE 
information must be entered within 24 hours of the system becoming available.  PPD PVG 
personnel are available for SAE reporting on a 24 hour basis.  Reports are reviewed during 
normal business hours.  EDC and/or report forms should be completed in as much detail as 
possible but lack of complete information should not delay the reporting of the SAE.  
There may be situations when an SAE has occurred and the Investigator has minimal 
information to include in the initial report to Nabriva Therapeutics AG, or their 
representative.  However, it is very important that the Investigator always makes an 
assessment of causality for every event prior to transmission of the SAE report form to 
Nabriva Therapeutics AG, or their representative.  The Investigator may change his/her 
opinion of causality in light of follow-up information, amending the SAE report form 
accordingly.  The causality assessment is one of the criteria used when determining 
regulatory reporting requirements. 

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The Investigator will provide the assessment of causality as per instructions on the SAE form 
in the subject's eCRF.  SAEs that are determined by the Investigator to be related to the study 
drug must be reported even if more than 30 days after the last administration of study drug.   
The sponsor will not routinely unblind the therapy assignment for an individual subject in the 
event of a serious adverse event.  However, unblinding of an individual subject may occur if 
this information is requested by the Investigator, if the Sponsor determines that the 
information is necessary to adequately assess safety, or if this information is required for 
reporting to local regulatory authorities (see Section 5.9). 
All serious adverse events and suspected unexpected serious adverse events (SUSARs) will 
be reported by the sponsor to the relevant competent authorities in accordance with the 
European Directive 2001/20/EC, as applicable. 
Safety Contact Information 
Americas 
Phone: 
1-866-267-0754 
 
Fax: 
1-866-676-6944 
EU/APAC 
Phone: 
+44 1223 374 240 
 
Fax: 
+44 1223 374 102 
 
7.4 
Symptoms of the Disease Under Study 
In this study, clinical signs and symptoms of pneumonia which are assessed daily per 
protocol (i.e., dyspnea, cough, sputum production, and chest pain) will not be reported as 
adverse events unless they meet the definition of a serious adverse event.  
7.5 
Other Reportable Events 
Certain events that occur should be reported to the Sponsor as Other Reportable Events.  
These include the following: 
• Potential Hy’s Law (PHL) 
- 
The investigator is responsible for prompt reporting of any patient who has had both 
(1) AST or ALT > 3 x ULN and (2) total bilirubin > 2 x ULN at any point in the 
study (i.e., meets criteria for Potential Hy’s Law). The investigator must complete the 
Hy’s Law eCRF.  Liver laboratory results should be followed locally every several 
days until resolution or stabilization of the laboratory abnormalities and reported 
using an unscheduled laboratory eCRF.  If subsequent to the initial report of PHL, the 
investigator determines that the case meets serious criteria, it should be reported as an 
SAE using standard reporting procedures. 
• Pregnancy exposure (subject becomes pregnant while taking study drug) 

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- 
Subjects who are pregnant at Screening are not permitted to take part in this study, 
however, Nabriva Therapeutics AG or their representative must be notified of any 
subjects that become pregnant while participating in this study (or the partner of a 
male subject).  Although pregnancy is not technically an AE, all pregnancies must be 
followed to conclusion to determine their outcome.  This information is important for 
both drug safety and public health concerns.  It is the responsibility of the Investigator 
or designee to report any pregnancy in a subject that occurs during this study to 
Nabriva Therapeutics AG or their representative.  
• Lactation exposure (subject was taking study drug while nursing an infant) 
• Accidental exposure (someone other than the study subject was exposed to study drug) 
• Overdose (subject received more than the prescribed dose of study drug within a given 
timeframe) 
• Other medication errors that potentially place subjects at a greater risk of harm than was 
previously known or recognized (e.g., study drug was administered by an incorrect 
route). 
8 
DRUG SUPPLIES 
8.1 
Lefamulin (BC-3781) 
The active substance being investigated in this study is lefamulin (BC-3781), present in the 
drug product as the acetate salt (BC-3781.Ac).  Physicochemical properties can be found in 
the Lefamulin Investigator’s Brochure. 
Lefamulin IV Formulation 
The drug product for IV administration is supplied by the Sponsor in 15 mL sterile 
concentrate vials as a concentrate of 150 mg of lefamulin in 15 mL of 0.9% saline 
(Ph. Eur./USP/JP) for dilution into 250 mL 0.9% saline buffered with 10 mM citrate to pH 5.  
The citrate buffered saline bags (PVC-free, latex-free) are also supplied by the Sponsor. Each 
concentrate vial has a minimum extractable volume of 15 mL.  A description of the unit 
formula of the concentrate vial is provided in the Lefamulin Investigator’s Brochure.  
Lefamulin Oral Formulation 
Oral lefamulin is supplied by the Sponsor as 600 mg yellow oval film coated immediate-
release tablets.  Details of the composition are provided in the Lefamulin Investigator’s 
Brochure. 
8.2 
Moxifloxacin 
Moxifloxacin IV Formulation 
Moxifloxacin will be supplied by the Sponsor in ready-to-use 250 mL latex-free flexibags as 
a sterile, preservative free, 0.8% sodium chloride aqueous solution of moxifloxacin 
hydrochloride (containing 400 mg moxifloxacin) with pH ranging from 4.1 to 4.6.  
Moxifloxacin is presented as a yellow intravenous solution.  

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Moxifloxacin Oral Formulation 
The oral dose of moxifloxacin is provided by the Sponsor as an over-encapsulated film 
coated tablet containing 400 mg as hydrochloride.  
Additional details regarding moxifloxacin are found in the product monograph.  
8.3 
Linezolid 
Linezolid IV Formulation 
Linezolid IV injection is provided by the Sponsor as a single-use, ready-to-use flexible 
plastic (latex-free) infusion bag containing 600 mg in 300 mL aqueous sodium citrate / 
dextrose solution.   
Linezolid Oral Formulation 
The oral formulation of linezolid 600 mg is supplied by the Sponsor as an over-capsulated 
film-coated tablet.   
Additional details regarding linezolid are found in the product monograph. 
8.4 
Placebo 
The following IV placebos will be supplied by the Sponsor and utilized to maintain the blind. 
Further details are found in the Study Pharmacy Manual. 
Drug Product 
Route 
Dosage Form/Strength 
Moxifloxacin placebo  
IV 
0.9% NaCl for Injection  
(Given as alternating doses with IV moxifloxacin) 
Linezolid matching placebo 
IV 
0.9% NaCl for Injection  
 
The following oral placebo tablets/capsules will be supplied by the Sponsor: lefamulin 
placebo tablet, moxifloxacin placebo capsule, linezolid placebo capsule.   
Further details may be found in the Study Pharmacy Manual. 
8.5 
Packaging and Labeling 
Study drugs will be packaged and labeled in accordance with the applicable regulatory 
authority requirements. 
8.6 
Storage of Study Drugs 
Access to all study drugs must be restricted to designated study personnel throughout the 
study. 
Lefamulin concentrate vials and citrate buffered saline bags for dilution of lefamulin 
concentrate prior to administration will be provided in kits which will be stored between 

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+2°C and +8°C in a temperature monitored refrigerator.  Intravenous bags containing 
moxifloxacin and linezolid must be stored at controlled room temperature (15 to 25°C). 
Saline placebo must be stored at controlled room temperature (15 to 25°C). 
Oral study medication will be supplied in blister packs.  Four different blister packs will be 
provided: 
• Lefamulin tablets and moxifloxacin placebo capsules 
• Over-encapsulated moxifloxacin tablets and lefamulin placebo tablets 
• Over-encapsulated linezolid tablets 
• Linezolid placebo capsules 
All blister packs containing oral study drug must be stored at controlled room temperature 
(15 to 25°C). 
8.7 
Product Accountability 
The Investigator is responsible for study medication accountability, reconciliation, and record 
maintenance.  In accordance with all applicable regulatory requirements, the Investigator or 
designated study site personnel must maintain study drug accountability records throughout 
the course of the study.  This person(s) will document the amount of study drug received 
from the supplier, the amounts dispensed to subjects as well as lot numbers and expiration / 
retest date of study medications. 
At the conclusion of the study, any unused study drug will be returned to either a 
Sponsor-designated recipient or destroyed at the site after discussion with the Sponsor.  If no 
supplies remain, this will be recorded in the drug accountability section of the final 
monitoring report. 
All unused study drug provided by the Sponsor will be retained for purposes of drug 
accountability. In addition, empty and partially used vials of lefamulin will be retained by the 
pharmacy for the purposes of drug accountability.  
An unblinded member of the Sponsor’s clinical operations staff (or designee) will check the 
supplies storage, dispensing procedures and records at regular intervals throughout the study.  
9 
STATISTICAL ANALYSIS 
Inferential statistical analyses of the primary and secondary outcomes will be conducted as 
outlined below.  Descriptive statistics, including the numbers and percentages for categorical 
variables, and the numbers, means, standard deviations, medians, minimums, and maximums 
for continuous variables will be provided.  Additional statistical analyses, other than those 
described in this section, may be performed if deemed appropriate.  A description of the 
statistical analysis performed on the study data will be outlined in the SAP. 

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As a consequence of differing regulatory requirements for the choice of primary efficacy 
analysis variable and statistical analyses of this study, 2 separate regional comprehensive 
SAPs will be prepared (FDA and EMA) and finalized before database lock and analysis of 
the data.   
Exploratory evaluation of a variety of health utilization variables (e.g., length of hospital 
stay, duration of antibiotic therapy, discharge status, discharge destination) as well as a PRO 
instrument (SF-12) will be performed.  Details for this exploratory analysis will be presented 
in a separate SAP and results will be presented in a stand-alone clinical study report. 
9.1 
Treatment Comparison of Interest 
All comparisons will be for lefamulin versus comparator therapy (moxifloxacin ± linezolid). 
9.2 
Sample Size Determination 
A total of 550 subjects will be randomized in this study (275 subjects in each treatment 
group).  However, if based upon regulatory requirements additional subjects exposed to 
lefamulin are needed, up to 626 subjects may be enrolled.  The total number of subjects 
included in this study is sufficient to achieve the primary and secondary study objectives 
based on statistical considerations. 
Retrospective analyses of clinical study data for patients with CABP of varying severity 
indicate the point estimates for an ECR responder at Days 3-5 range from 72%-81% (FDA, 
2011).  Thus, it is reasonable to assume that in a prospective study of subjects with CABP, 
the proportion of subjects who are responders for ECR at 96 ± 24 hours post first dose of 
study drug will be approximately 79%.   
The primary efficacy analysis variables used for NI analyses for the Marketing Authorization 
Application (MAA) to the EMA will be the proportion of subjects with an IACR of Success 
at TOC in the mITT and CE-TOC Analysis Sets.  In recent clinical studies, IACR success 
rates at the TOC Visit in the CE Analysis Set ranged from 77%-87% depending on the 
antibiotics under study and the severity of the CABP.  The IACR success rate for subjects 
receiving moxifloxacin is 86% as reported in the prescribing information (AVELOX® 
[moxifloxacin] PI, 2013).  Based on these data, an 85% IACR success rate in the CE-TOC 
Analysis Set was chosen for determination of the sample size.  The success rate is expected 
to be about 5% lower in the mITT Analysis set. It is expected that <1% of subjects will be 
excluded from the mITT Analysis Set and thus, the sample size determination assumes the 
same number of subjects in the ITT and mITT Analysis Sets. 
Utilizing an anticipated ECR responder rate of 79% in the ITT Analysis Set, and a one-sided 
alpha of 0.025, a sample size of 550 subjects (275 in each treatment group) provides >90% 
power to establish the NI of lefamulin to moxifloxacin for ECR using a NI margin of 12.5% 
at the ECA.  Assuming an IACR success of 80% and 85% in the mITT and CE-TOC 
Analysis Sets, respectively, and a clinical evaluability rate of 80%, there is 80% power for 
demonstration of NI for IACR at the TOC Visit using a 10% NI margin.  If the sample size is 

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increased to 626 subjects, it will provide >95% power for demonstration of NI for ECR and 
85% power for demonstration of NI for IACR at the TOC Visit. 
The calculated power in each analysis set for the primary and secondary outcomes is 
provided in Table 11 below. 
Table 11. 
Power Calculations for the Primary and Secondary Efficacy 
Outcomes 
 
Primary Outcome (FDA) 
(ECR 96 ± 24 h After the First 
Infusion of Study Drug) 
Secondary Outcome  
(Investigator’s Assessment of Clinical Response at 
TOC- Primary for EMA) 
Analysis Set 
ITT 
mITT 
CE-TOC 
N 
550 
550 
440 
Outcome Rate 
79% 
80% 
85% 
Evaluability Rate 
NA 
NA 
80% 
Power 
93.8% 
80.6% 
80% 
CE=clinically evaluable; ITT=intent to treat; mITT=modified ITT; TOC=test of cure 
 
9.3 
Analysis Populations 
9.3.1 
Intent-to-Treat Analysis Set (ITT) 
The ITT Analysis Set will consist of all randomized subjects regardless of whether or not the 
subject received study drug. A subject is considered randomized when an IRT-generated 
randomization number has been assigned. 
9.3.2 
Modified Intent-to-Treat Analysis Set (mITT) 
The mITT Analysis Set will consist of all randomized subjects who receive any amount of 
study drug.  Subjects are analyzed based on the randomized (i.e., assigned) treatment group. 
9.3.3 
Safety Analysis Set 
The Safety Analysis Set will consist of all randomized subjects who receive any amount of 
study drug.  Subjects are analyzed based on the study drug actually received. All safety 
analyses will be conducted in this population.  
9.3.4 
Microbiological Intent-to-Treat Analysis Set (microITT) 
The microITT Analysis Set will consist of all subjects in the ITT Analysis Set who have at 
least one baseline “typical” bacterial pathogen known to cause CABP, Legionella 
pneumophila from an appropriate microbiological specimen, or who have CABP caused by 
Mycoplasma pneumoniae or Chlamydophila pneumoniae. 

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9.3.5 
Clinically Evaluable Analysis Set  
The CE Analysis Sets (CE-EOT, CE-TOC, and CE-LFU Analysis Sets) will be a subset of 
the ITT Analysis Set that will include subjects who meet the criteria for CABP described in 
Inclusion Criteria Nos. 3 - 7, and who received at least the pre-specified minimal amount of 
the intended dose of study drug and duration of treatment, do not have an indeterminate 
response based on the IACR (at EOT for the CE-EOT Analysis Set, at TOC for the CE-TOC 
Analysis Set, and at LFU for the CE-LFU Analysis Set), did not receive concomitant 
antibacterial therapy (other than adjunctive linezolid) that is potentially effective against 
CABP pathogens (except in the case of clinical failure) from the first dose of study drug 
through the EOT Visit (CE-EOT Analysis Set), through the TOC Visit (CE-TOC Analysis 
Set), and through the LFU Visit (CE-LFU Analysis Set), and for whom there are no other 
confounding factors that interfere with the assessment of the outcome.  
9.3.6 
Microbiologically Evaluable Analysis Set 
The ME Analysis Set (ME-EOT, ME-TOC, and ME-LFU) will include all subjects who meet 
the criteria for inclusion both the microITT and CE-EOT (ME-EOT) Analysis Set, the CE-
TOC (ME-TOC) Analysis Set, or the CE-LFU (ME-LFU) Analysis Set. 
9.3.7 
Pharmacokinetic Analysis Set 
All subjects who receive any amount of study drug will be included in the formal analysis of 
PK parameters providing they have at least 1 evaluable PK sample.   
9.4 
Criteria for Evaluation 
9.4.1 
Primary Efficacy Analysis Variable 
The primary efficacy variable (FDA) is the proportion of subjects in the ITT Analysis Set 
with an ECR of Responder at 96 ± 24 hours post first dose. 
Subjects will be defined as an ECR of Responder if the following 4 criteria are met: 
• Alive 
• Improvement in at least 2 of the 4 cardinal symptoms of CABP (Section 6.10), the 
subject presented with at Baseline. Improvement is defined as a decrease by at least 1 
level of severity. 
• No worsening of any of the 4 cardinal symptoms of CABP. Worsening is defined as an 
increase by at least 1 level of severity of any symptom. 
• Did not receive a concomitant antibiotic (other than adjunctive linezolid) for the 
treatment of CABP. 
The primary efficacy variable for the EMA and secondary efficacy variable for the FDA is 
the proportion of subjects with an IACR of Success at TOC in the mITT and CE-TOC 
Analysis Sets (see Section 6.11).  An IACR of Success is defined as a subject whose clinical 

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signs and symptoms have resolved or improved such that no additional antibacterial therapy 
is administered for the treatment of the current episode of CABP.  Subjects who have an 
IACR of Failure at EOT will not have an IACR assessed at TOC and will be considered to 
have an IACR of Failure at TOC. 
9.4.2 
Secondary Efficacy Analysis Variables 
9.4.2.1 
Clinical Outcome 
The Investigator’s Assessment of Clinical Response will be evaluated in the microITT and 
ME-TOC Analysis Sets at TOC as described in Section 6.11.  ECR will be evaluated in the 
microITT Analysis Set.  All-cause mortality will be evaluated in the ITT Analysis Set. 
ECR plus improvement in vital signs (i.e., body temperature, blood pressure, heart rate, 
respiratory rate), if abnormal at baseline will be evaluated in the ITT Analysis set. If vital 
signs are normal at baseline (i.e., not abnormal as per the definitions below), none can have 
worsened. 
Abnormal vital signs are defined as: 
• Fever: [defined as body temperature >38.0 degrees Celsius (100.4 degrees Fahrenheit) 
measured orally, >38.5 degrees Celsius (101.3 degrees Fahrenheit) measured 
tympanically, or >39.0 degrees Celsius (102.2 degrees Fahrenheit) measured rectally]  
• Hypothermia: [defined as body temperature <35.0 degrees Celsius (95.0 degrees 
Fahrenheit) measured orally, <35.5 degrees Celsius (95.9 degrees Fahrenheit) measured 
tympanically, or <36.0 degrees Celsius (96.8 degrees Fahrenheit) measured rectally] 
• Hypotension: defined as systolic blood pressure <90 mmHg  
• Tachycardia: defined as heart rate >100 bpm 
• Tachypnea: defined as respiratory rate > 20 breaths/min 
9.4.2.2 
Microbiological Assessment 
The By-Pathogen Microbiological Response will be assessed in the micro-ITT and ME 
Analysis Sets for each causative organism using the categories for outcome as follows.  
• Success includes: 
- 
Eradication:  the baseline causative pathogen was absent from repeat culture(s). 
- 
Presumed eradication:  the IACR was Success, and culture was not repeated.  
• Failure includes: 
- 
Persistence:  the baseline causative pathogen was isolated in repeat culture(s).  
- 
Presumed persistence:  the IACR was Failure and a culture was not repeated. 
• Indeterminate:  
- 
The IACR was Indeterminate, and culture was not repeated. 

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The By-Subject Microbiological Response will be programmatically determined at TOC for 
each subject using the By-Pathogen Microbiological Response for each Baseline causative 
pathogen.  For a subject to have a By-subject Microbiological Response of Success, the 
response for each Baseline pathogen must be Success (i.e., Eradication or Presumed 
Eradication).  If the response for any Baseline pathogen is Failure (i.e., Persistence or 
Presumed Persistence), the subject will be considered to have a By-Subject Microbiological 
Response of Failure.  A By-Subject Microbiological Response of Indeterminate will be 
assigned if all Baseline pathogens have a Microbiological Response of Indeterminate. 
New bacteria isolated from respiratory or blood culture will be assessed separately from the 
outcomes listed above as follows: 
• Superinfection: 
- 
New pathogen(s) (i.e., pathogen(s) not present at baseline) identified in post-baseline 
culture(s) through the TOC Visit with persistent signs and symptoms of CABP (i.e., 
IACR of Failure at the TOC Visit, such that additional antibacterial therapy is 
necessary for the current episode of CABP). 
• Colonization: 
- 
New pathogen(s), (i.e., pathogen(s) not present at baseline) identified in at least 2 
post-baseline cultures through the TOC Visit but signs and symptoms of CABP have 
resolved, (i.e., IACR of Success at the TOC Visit, such that no additional antibacterial 
therapy is necessary for the current episode of CABP). 
• Development of Decreasing Susceptibility: 
- 
Increase in MIC (> 4x) or ≥6 mm decrease from baseline in disk inhibition zone 
diameter to the study drug received for a pathogen isolated at baseline and 
subsequently isolated from a blood or lower respiratory tract specimen. 
9.4.3 
Safety Analysis Variables 
Safety will be assessed by monitoring vital signs, ECG measurements, clinical laboratory 
parameters, and AEs.  
9.4.4 
Pharmacokinetic Analysis Variables 
Population PK modeling will be performed to determine the model-predicted plasma 
concentration time curves of lefamulin for each subject.  Calculated PK will enable 
descriptive statistical analysis of PK variables such as the maximum observed drug 
concentration (Cmax) and area under the concentration-time curve (AUC) for lefamulin.  
Individual 24h AUC values from Day 1 obtained from the population PK model will be used 
for the PK/PD analysis focusing on efficacy.  The PK based on population PK as well as a 
PK/PD analysis will be reported separately.  

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9.4.5 
Other Variables 
Exploratory evaluation of a variety of health utilization variables (e.g., length of hospital 
stay, duration of antibiotic therapy, discharge status, discharge destination) as well as a PRO 
instrument (SF-12) will be performed. Details for this exploratory analysis will be presented 
in a separate SAP and results will be presented in a stand-alone clinical study report. 
9.5 
Demographic and Baseline Characteristics 
Enrollment, protocol deviations, and discontinuations from the study drug and the study will 
be summarized by treatment group.  Demographics (age, race, ethnicity and sex), medical 
and surgical history, baseline assessment of the clinical signs and symptoms, microbiological 
assessment, and study drug administration will also be summarized by treatment group.  
Differences between treatment groups will be analyzed using the chi-square or Fisher’s exact 
test for dichotomous variables and the Wilcoxon Rank Sum test for ordinal and continuous 
variables.  
9.6 
Efficacy Analysis 
For all efficacy analyses, subject data will be analyzed in the group to which the subject was 
randomized.  For the stratified analysis of the primary efficacy outcome and for the primary 
analysis for the EMA, subjects who are randomized to the wrong stratum will be analyzed in 
the stratum to which they were randomized.   
9.6.1 
Primary Efficacy Analysis 
The primary efficacy outcome (FDA) is the proportion of responders for ECR at 96 ± 24 
hours following the first dose of study drug in the ITT Analysis Set.  Each subject will be 
programmatically categorized as a Responder, Non-responder or Indeterminate based on data 
on the eCRF.  Subjects who are missing data required to determine an ECR or who are lost to 
follow up are defined as Indeterminate for the primary analysis and are included in the 
denominator for the calculation of the responder rate.  Thus, subjects with an ECR of 
Indeterminate are considered non-responders for the primary analysis.  The number and 
percentage of subjects in each treatment group in each response category will be reported.   
The null and alternative hypotheses are: 
H0: P1-P2 ≤- ∆ 
H1: P1-P2 >- ∆ 
Where P1 = the primary efficacy outcome rate in the lefamulin group 
P2 = the primary efficacy outcome rate in the moxifloxacin group 
∆ = the non-inferiority margin 
The NI hypothesis test is a 1-sided hypothesis test performed at the 2.5% level of 
significance.  This is based on the lower limit of the 2-sided 95% confidence interval (CI) for 
the observed difference in the ECR (lefamulin group minus the moxifloxacin group).  The CI 

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will be calculated using an unadjusted continuity corrected Z-statistic.  If the lower limit of 
the 95% CI for the difference in responder rates in the ITT Analysis Set is greater 
than -12.5%, the null hypothesis will be rejected and the NI of lefamulin to moxifloxacin will 
be concluded.  
Additional analyses of the primary efficacy analysis will be conducted.  ECR will be 
assessed separately across the geographic regions, prior antibiotic use, and PORT risk class 
strata.  For each geographic region, prior antibiotic use, and PORT risk class stratum, a 2-
sided 95% CI for the observed difference in ECR responder rates will be calculated for the 
ITT Analysis Set.  Sensitivity analyses of ECR include determination of an adjusted 95% CI 
(adjusted for the randomization stratification factors) and considering all subjects with 
missing data (i.e., Indeterminates) at 96 ± 24 hours after the first dose of study drug as 
responders for ECR (these subjects are considered non-responders in the primary analysis).  
For the second sensitivity analysis, an unstratified 95% CI will be computed for the 
difference in the responder rates between lefamulin and moxifloxacin.  Subgroup analyses of 
the primary efficacy outcome will also be conducted for descriptive purposes and will be 
detailed in the SAP. 
For the EMA primary analysis (secondary analysis for the FDA), the number and percentage 
of subjects in each treatment group with an IACR of Success, Failure and Indeterminate (by 
definition Indeterminates are not included in the CE-TOC Analysis Set) at TOC will be 
reported in the mITT and CE-TOC Analysis Sets.  Subjects who have an IACR of Failure at 
EOT will be considered to have an IACR of Failure at TOC.  The primary analysis for the 
EMA will utilize 2-sided adjusted (for the randomization stratification factors) 95% CIs 
calculated using the method of Miettinen-Nurminen.  If the lower limit of the 95% CI for the 
difference in success rates in both the mITT and CE-TOC Analysis Sets is greater than -10%, 
the NI of lefamulin to moxifloxacin will be concluded.  Two-sided unstratified 95% CIs will 
be calculated for the difference in success rates at TOC in the mITT and CE-TOC Analysis 
Sets (FDA secondary outcome). 
Additional analyses of the EMA primary efficacy outcome will be conducted.  IACR at TOC 
will be assessed separately across the geographic regions, prior antibiotic use, and PORT risk 
class strata in the mITT and CE-TOC Analysis Sets.  For each geographic region, prior 
antibiotic use, and PORT risk class stratum, a 2-sided 95% CI for the observed difference 
success rates will be calculated for the ITT and CE-TOC Analysis Sets.  Sensitivity analyses 
of IACR include determination of unstratified 95% CI  and considering all subjects with 
missing data (i.e., Indeterminates) as successes for IACR (these subjects are considered 
failures in the EMA primary analysis).  For the second sensitivity analysis, a stratified 95% 
CI will be computed for the difference in the success rates between lefamulin and 
moxifloxacin. Subgroup analyses of the EMA primary efficacy outcome will also be 
conducted for descriptive purposes and will be detailed in the EMA SAP. 
9.6.2 
Secondary Efficacy Analyses 
The number and percentage of subjects categorized as Responder, Non-responder and 
Indeterminate for the primary efficacy outcome of ECR will also be presented for the 
microITT Analysis Set and a 2-sided unstratified 95% CI for the difference in responder rate 

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will be calculated using a continuity-corrected Z-statistic.  However, the formal test of NI 
will be conducted in the weighted (based on the inverse variance of each effect size) pooled 
population from this study and a second study in CABP.  
The number and percentage of subjects categorized as Responder, Non-responder and 
Indeterminate for ECR plus improvement in vital signs will also be presented for the ITT 
Analysis Set and a 2-sided unstratified 95% CI for the difference in responder rate will be 
calculated using a continuity-corrected Z-statistic.   
The number and percentage of subjects in each treatment group with an IACR of Success, 
Failure and Indeterminate (by definition Indeterminates are not included in the ME-TOC 
Analysis Set) at TOC will be reported in the microITT and ME-TOC Analysis Sets.  Subjects 
who have an IACR of Failure at EOT will be considered to have an IACR of Failure at TOC.  
Two-sided unstratified 95% CIs will be calculated for the difference in success rates.   
The By-Pathogen Microbiologic Response (by definition, subjects with an Indeterminate 
Microbiologic Response are excluded from the ME-TOC Analysis Set) will be provided for 
the microITT and ME-TOC Analysis sets at TOC.   
All-cause mortality (ACM) through Day 28 will also be summarized in the ITT Analysis Set.  
Subjects who are lost to follow-up will be considered failures (i.e., deceased) for this 
analysis.  A 2-sided unstratified 95% CI will be calculated for the treatment difference in 
ACM.   
9.6.3 
Additional Efficacy Analyses 
Additional efficacy analyses will be conducted to support the efficacy findings for the 
primary and secondary outcomes.  Confidence intervals for proportions will be determined 
for descriptive purposes, as indicated below, but no conclusions of NI will be made. 
The number and percentage of subjects who are a Responder for ECR, the number and 
percentage of subjects who have an IACR of Success at TOC, and the number and 
percentage of subjects who are a sustained success at LFU will be presented by baseline 
pathogen in the microITT, ME-TOC (IACR only), and ME-LFU (sustained success only) 
Analysis Sets. 
The number and percentage of subjects in each treatment group with an IACR of Success, 
Failure and Indeterminate (by definition subjects with an IACR of Indeterminate are not 
included in the CE Analysis Sets) at EOT in the mITT and CE-EOT Analysis Sets.  Two-
sided unstratified 95% CIs will be calculated for the difference in IACR success rates.  The 
number and percentage of subjects with a Sustained Success, Relapse, Failure, and 
Indeterminate response as assessed by the Investigator at the LFU Visit will be summarized 
for the mITT and CE-LFU Analysis Sets.  Failure is at LFU defined as a subject who had an 
IACR of failure at the TOC visit. 
The By-Subject Microbiologic Response (by definition, subjects with an Indeterminate 
Microbiologic Response are excluded from the ME-TOC Analysis Set) will be provided for 

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the microITT and ME-TOC Analysis sets at TOC.  Two-sided unstratified 95% CIs will be 
provided for the difference in the By-Subject Microbiologic Response success rate. 
9.7 
Safety Analysis 
Safety will be evaluated in the Safety Analysis Set by presenting summaries of AEs, routine 
clinical laboratory evaluations, ECGs, and vital signs in the 2 treatment groups.  Subjects 
who receive the wrong study drug for their entire course of treatment will be analyzed in the 
group based on the drug received.   
Summary tables will be provided for all TEAEs.  A TEAE is defined as an AE with a start 
date and time on or after the first dose of study drug.  Adverse events will be coded using the 
Medical Dictionary for Regulatory Activities (MedDRA®).  The number and percentage of 
subjects with TEAEs will be tabulated by system organ class (SOC) and MedDRA Preferred 
Term for each treatment group and by severity and relationship to treatment. 
Adverse events leading to premature discontinuation from the study drug and serious TEAEs 
will be presented either in a table or a listing. 
Change from baseline to each scheduled evaluation and the overall worst post-baseline in 
clinical laboratory variables will be summarized by treatment group.  The number and 
percent of subjects with treatment-emergent potentially clinically significant (PCS) 
laboratory values will be tabulated for each treatment group.  Treatment-emergent PCS 
laboratory tests are those in which the Baseline value is not PCS and the post-baseline value 
is PCS.  PCS will be defined based on the pre-specified criteria outlined in the statistical 
analysis plan.  
Change from baseline to each scheduled evaluation and the overall worst post-baseline for 
RR interval, PR interval, QRS interval, QT interval, and QT interval corrected with 
Fridericia from the ECG will be summarized for each treatment group with the mean, 
standard deviation, minimum value, and maximum value.  The triplicate values will be 
averaged for each subject before analysis.  An outlier analysis will also be provided based on 
the worst post-baseline value. 
Descriptive statistics of vital signs and the change from baseline to each scheduled evaluation 
will be summarized by treatment group at each study visit and the worst overall post-
baseline.  The number and percent of subjects with treatment-emergent PCS values will be 
tabulated for each treatment group.  
9.8 
Handling of Missing Data 
For the primary outcome measure (FDA), if any data field needed to determine ECR is 
missing, the subject will be assigned a response of Indeterminate.  For analyses of the 
primary outcome, subjects with an indeterminate response are included in the denominator, 
and thus are considered Non-responders.  A sensitivity analysis of the primary outcome will 
be conducted in which subjects with an indeterminate response are considered Responders.   

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For the outcome measure of IACR at EOT, TOC, and LFU, missing data are considered as a 
response of Indeterminate.  For analysis in the ITT, mITT and microITT Analysis Sets, 
indeterminate outcomes are included in the denominator and are thus, considered clinical 
Failures.  By definition, subjects with an IACR of Indeterminate are excluded from the CE-
EOT, CE-TOC, CE-LFU, ME-EOT, ME-TOC, and ME-LFU Analysis Sets.  
A missing microbiological response is considered a presumed response based on the IACR. 
For analysis in the microITT Analysis Set, indeterminate outcomes are included in the 
denominator and are thus, considered microbiological failures.  By definition, subjects with 
an IACR of Indeterminate are excluded from the ME Analysis Sets.   
Handling of missing data for other efficacy and safety outcomes will be presented in the 
SAP. 
9.9 
Interim Analysis and Independent Interim Analysis Committee 
(IAC) 
In order to ensure that the point estimate of the ECR responder and IACR success rates used 
in the estimation of the sample size is valid for this study, an interim analysis for sample size 
re-estimation will be performed when ECR data at 96 ± 24 h post first dose are available for 
approximately 60% of randomized subjects (330 subjects) (see Section 9.4.1).  The draft 
FDA Guidance “Non-inferiority Clinical Trials” notes that such a sample size re-estimation if 
based on the blinded overall response rates is not only acceptable but is advisable.  The 
interim analysis will involve a sample size re-estimation to either confirm the initial sample 
size estimate is adequate or increase the sample size (number of randomized subjects) to 
ensure the study has adequate power for determining whether lefamulin is non-inferior to 
moxifloxacin for the primary outcome measures for the FDA and EMA.  The sample size re-
estimation will be based on the blinded overall (not by treatment group) ECR responder rate 
and will be conducted by an independent, blinded statistician.   
An Independent Interim Analysis Committee (IAC) will be provided the results of the 
interim analysis by the independent, blinded statistician and make a recommendation 
regarding any increase to the sample size.  The IAC will consist of 3 members who will be 
selected by the Sponsor but will be independent from the Sponsor, will not participate in the 
study as Principal or Co-investigators, and should be isolated from the study if their 
institution is a study site.  The IAC members receive no financial incentives for their 
participation, but are reimbursed only for customary consultative and administrative support 
fees.  A detailed IAC charter outlines the analyses to be completed, statistical rules, the 
potential increase to the sample size and the recommendations that can be made to the 
Sponsor. 
The members of the IAC will not participate in the ongoing assessment of the important 
aspects of study conduct, including the assessment of safety data.  This will be conducted by 
a separate Data Monitoring Committee (DMC) as outlined in Section 10.2.  

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9.10 Pharmacokinetic Analyses 
Measured plasma concentrations of lefamulin and BC-8041 will be summarized descriptively 
by treatment group and time point of collection.  Summary statistics in the tabulation will 
include n, mean, standard deviation, CV [%], median, minimum and maximum.  
Population PK modeling will be used to determine the individual model-predicted 
concentrations of lefamulin at least for Day 1 (PK/PD analysis).  Additionally, plasma 
concentration time curves will be generated for day of IV/PO switch and PO treatment only.  
Simulation of model output will enable descriptive statistical analysis of PK variables such as 
the Cmax, Cmin and AUC for lefamulin. 
A description of the population PK analysis will be described in a separate SAP.  Results of 
this analysis will be reported separately. 
9.11 Health Utilization Variables and Patient Reported Outcome 
Exploratory evaluation of a variety of health utilization variables (e.g., length of hospital 
stay, duration of antibiotic therapy, discharge status, discharge destination) as well as a PRO 
instrument (SF-12) will be performed.  Details for this exploratory analysis will be presented 
in a separate SAP and results will be presented in a stand-alone clinical study report  
10 STUDY MONITORING 
10.1 Clinical Monitoring 
All aspects of the study will be carefully monitored by the Sponsor’s authorized individuals, 
acting as agents of the sponsor with respect to current Good Clinical Practice and Standard 
Operating Procedures for compliance with applicable government regulations.  These 
individuals will have access to all records necessary to ensure integrity of the data and will 
periodically review the progress of the study with the principal investigator. 
Frequent communication between the study site and the Sponsor is essential to ensure that 
the subject safety is monitored adequately.  The Investigator will make safety assessments on 
an ongoing basis.  The Sponsor’s medical monitor will review safety information from all 
study sites as it becomes available throughout the study.  Should any safety concerns be 
identified, the Data Monitoring Committee (DMC) will be asked to review the data and 
determine what action is recommended. 
10.2 Independent Data Monitoring Committee (DMC) 
An independent DMC will be constituted for this study to monitor important aspects of study 
conduct, including safety results on an ongoing basis.  The DMC will consist of 3 members 
who will be selected by the Sponsor but will be independent from the Sponsor.  The 
clinicians on the committee will not participate in the study as Principal or Co-investigators, 
and should be isolated from the study if their institution is a study site.  The DMC members 

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receive no financial incentives for their participation, but are reimbursed only for customary 
consultative and administrative support fees.  
DMC meeting frequency and conduct is outlined in a separate DMC Charter.  An 
independent unblinded statistician will provide the committee with masked data for review 
(treatment A versus treatment B), but will not be a member of the committee.  All members 
of the DMC will treat study data, reports, meeting discussions, and conclusions as 
confidential. 
The members of the DMC will not participate in the interim analysis and re-assessment of 
the sample size for this trial.  This will be conducted by a separate Interim Analysis 
Committee as outlined in Section 9.9. 
11 IEC/IRB APPROVAL 
The Principal Investigator agrees to provide the Independent Ethics Committee 
(IEC)/Institutional Review Board (IRB) with all appropriate material, including a copy of the 
informed consent.  The study will not be initiated until the Investigator obtains written 
approval of the research plan (protocol) and the informed consent document from the 
appropriate IEC/IRB and copies of these documents are received by Nabriva Therapeutics 
AG.   
It is the Investigator’s responsibility to obtain IEC/IRB approval for all subsequent major 
changes to the protocol, in compliance with local law.  Appropriate reports on the progress of 
this study will be made by the Investigator to the IEC/IRB and Sponsor in accordance with 
applicable government regulations and in agreement with policy established by the Sponsor. 
12 ETHICAL CONDUCT OF THE STUDY 
This clinical study will be conducted in compliance with this Protocol, the guidelines of the 
World Medical Association Declaration of Helsinki in its revised edition (Fortaleza, Brazil, 
October 2013), the guidelines of International Conference on Harmonization (ICH) Good 
Clinical Practice (GCP) (CPMP/ICH/135/95), European Union (EU) Clinical Trials Directive 
2001/20/EC, EU Commission Directive 2005/28/EC, and Code of Federal Regulation (CFR) 
Title 21, CFR Part 50, 56 and 312, designated Standard Operating Procedures, and with local 
laws and regulations relevant to the use of new therapeutic agents in the country of conduct. 
13 INFORMED CONSENT 
The International Conference on Harmonization (ICH) has issued guidelines to provide 
protection for human subjects in clinical investigations.  The ICH Tripartite Guideline for 
Good Clinical Practice establishes the general requirements for informed consent. 
A properly executed, written informed consent in compliance with the terms of these 
guidelines shall be obtained from each subject before entering the study, or before 
performing any unusual or non-routine procedure in relation to the study.  The purpose of the 
study, procedures to be carried out, and potential hazards will be described to each potential 

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subjects in non-technical terms.  Subjects (or their legally authorized representative) will be 
required to read, voluntarily sign, and date an informed consent form summarizing the 
discussion at Screening, and will be assured that they may withdraw from the study at any 
time without jeopardizing their medical care. 
Subjects (or their legally authorized representative) will sign and date 1 copy of the informed 
consent form which will be photocopied.  The copy will be retained by the subject (or their 
legally authorized representative) and the original will be retained on file by the Investigator. 
The consent form must be approved by the appropriate IEC/IRB and Sponsor before study 
initiation at a study site.  Any subsequent changes to the approved informed consent form 
must be reviewed and approved by the appropriate IEC/IRB and Sponsor before 
implementation. 
14 QUALITY ASSURANCE/QUALITY CONTROL 
Standard Operating Procedures belonging to Nabriva Therapeutic AG or designee(s) will be 
adhered to for all activities relevant to the quality of the study and are routinely monitored by 
the Quality Assurance (QA) Division.  
Data will undergo quality control checks prior to clinical database lock.  Sponsor-designated, 
independent monitors will be responsible for the monitoring of the study and its data within 
the eCRFs. 
A QA audit of this study may be conducted by the Sponsor or Sponsor’s designee.  The QA 
auditor will have access to all medical records, the Investigator’s study-related files and 
correspondence, and information in the informed consent documentation of this study.  
An inspection of this study may be conducted by a regulatory agency.  The Investigator 
agrees to contact the Sponsor as soon as possible, but not later than within 1 week, upon 
notification of an inspection by a regulatory agency.  The Investigator agrees to allow the 
Inspector direct access to all relevant documents and to allocate his/her time and that of study 
site personnel to the Inspector to discuss findings in any relevant issues.  The Investigator 
will allow Sponsor personnel to be present as an observer during a regulatory inspection, if 
requested.  
15 DATA HANDLING AND RECORD KEEPING  
15.1 Data Handling 
Data will be recorded at sites using eCRFs and reviewed by the Sponsor or designee during 
monitoring visits.  The recorded data in the EDC system will be verified with source 
documents.  All corrections or changes made to any study data must be appropriately tracked 
in an audit trail in the EDC system.  eCRFs will be considered complete when all missing, 
incorrect, and/or inconsistent data has been accounted for.  Data collected at baseline will 
only be entered into the eCRF if the subject is eligible for study participation following 
review of the data by the Investigator or designee.  

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Adverse events, concomitant medication data and clinical observations will be in the 
subjects’ hospital notes, or recorded on source data forms, and will be transferred into the 
eCRF after assessment by the Investigator or designee. 
Data produced by automatic devices with original print-outs (e.g., clinical laboratory test 
results, ECG traces, BP measurements) will be included in the source documentation.  
Clinical laboratory parameters are to be reviewed, signed and dated by the Investigator or 
designee.  Any results outside the normal range should be designated by the Investigator or 
designee as not clinically significant (NCS) or clinically significant (CS). 
15.2 Subject Confidentiality 
Investigator and his/her staff will be required to manage subject data collected for the study 
in accordance with applicable laws and regulations on personal data protection.   
US:  All US-based investigational sites and laboratories or entities providing support for this 
study, must, where applicable, comply with the Health Insurance Portability and 
Accountability Act (HIPAA) of 1996.  An investigational site that is not a Covered Entity as 
defined by HIPAA must provide documentation of this fact to Nabriva Therapeutics AG. 
EU:  Data collected during this study may be used to support the development, registration or 
marketing of lefamulin.  Nabriva Therapeutics AG will control all data collected during the 
study, and will abide by the EU Directive on Data Privacy concerning the processing and use 
of subjects’ personal data.  For the purpose of data privacy legislation, Nabriva Therapeutics 
AG will be the data controller. 
After subjects have consented to take part in the study their medical records and the data 
collected during the study will be reviewed by Nabriva Therapeutics AG or its 
representatives.  These records and data may, in addition, be reviewed by the following: 
independent auditors who validate the data on behalf of Nabriva Therapeutics AG; third 
parties with whom Nabriva Therapeutics AG may develop, register or market lefamulin; 
national or local regulatory authorities and the IRB/IECs that gave approval for this study to 
proceed. 
Subjects will be known by a unique number; however, their date of birth can also be 
collected if not in contradiction with any requirements (e.g., from IECs) and used to assist 
Nabriva Therapeutics AG to verify the accuracy of the data, for example, that the laboratory 
results are assigned to the correct subject.  The results of this study may be recorded and 
transferred to and used in other countries throughout the world, which may not afford the 
same level of protection that applies within the EU.  The purpose of any such transfer would 
be to support regulatory submissions in other countries. 
15.3 Computer Systems 
Data will be processed using a validated computer system conforming to regulatory 
requirements. 

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15.4 Data Entry 
Data must be recorded using the EDC system as the study is in progress.  All study site 
personnel must log into the system using their secure user name and password in order to 
enter, review, or correct study data.  These procedures must comply with the Title 21 Code of 
Federal Regulations (21 CFR Part 11) for US sites and EU Directives 2001/20/EC and 
2005/28/EC for EU sites.  All passwords will be strictly confidential.  
15.5 Data Validation 
Validation checks programmed within the EDC system as well as supplemental validation 
performed via review of the downloaded data will be applied to the data in order to ensure 
accurate, consistent, and reliable data.  Data identified as erroneous, or data that are missing, 
will be referred to the investigative site for resolution through data queries. 
eCRFs must be reviewed and electronically signed by the Investigator who signed the 
protocol. 
15.6 Record Keeping  
Raw data generated in connection with this study as well as an original copy of the final 
clinical study report, will be retained in archive until at least 5 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 at least 5 years have elapsed since the formal 
discontinuation of clinical development of lefamulin.  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. 
As required under European Directive 2005/28/EC, Article 17, all ‘essential documents’ (as 
described in the ICH GCP Guidelines) must be retained by Nabriva Therapeutics AG and the 
Investigator for at least 5 years after the completion of the clinical study.  Therefore all 
studies, independent of where they were conducted in the world, must follow this 
requirement in the event a submission is ever made in the EU.  These documents may be 
retained for a longer period, however, if required by the applicable regulatory requirements 
or by an agreement with Nabriva Therapeutics AG.  It is the responsibility of Nabriva 
Therapeutics AG to inform the Investigator as to when these documents no longer need to be 
retained.  The Investigator must obtain written permission from Nabriva Therapeutics AG 
prior to the destruction of any study document.  
The retention of investigator study records is an investigator responsibility and Nabriva 
Therapeutics AG will neither arrange nor pay for this activity. Any transfer of ownership of 
the content of the clinical trial master file is the responsibility of the investigator or site 
representative, and shall be documented.  The new owner shall assume the responsibilities set 
forth in the applicable regulations. 

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These records must be made available at reasonable times for inspection and duplication, if 
required, by a properly authorized representative of the US Food and Drug Administration 
(FDA) in accordance with 21 CFR 312.68 or other national or foreign Regulatory Authorities 
in accordance with regulatory requirements.  
16 TERMINATION OF STUDY 
The Sponsor reserves the right to discontinue this study at any time. 
17 FINANCING AND INSURANCE 
The costs necessary to perform the study will be agreed with each Investigator and will be 
documented in a separate financial agreement that will be signed by the Investigator and 
Nabriva Therapeutics AG (or designee), prior to the start of the study.  A statement regarding 
insurance/indemnity such as Association of British Pharmaceutical Industry (ABPI) should 
also be included. 
The Investigator will be required to disclose any financial arrangement whereby the value of 
the compensation for conducting the study could be influenced by the results or outcome of 
the study.  The following information will be collected: any significant payments of other 
sorts from Nabriva Therapeutics AG, (e.g., money to fund ongoing research, compensation in 
the form of equipment, retainer for ongoing consultation or honoraria); any proprietary 
interest in lefamulin; any significant equity interest in Nabriva Therapeutics AG as defined in 
21 CFR 54 2(b). 
In consideration of participation in the study, Nabriva Therapeutics AG will pay the 
Investigator or nominated payee the sums set out in the payment schedule attached to the 
Investigator agreement.  
18 PUBLICATION POLICY 
It is intended that the results of the study may be published as scientific literature.  Results 
may also be used in submissions to Regulatory Authorities.  The following conditions are to 
protect commercial confidential materials (e.g., patents, etc.), not to restrict publication. 
All information concerning lefamulin (such as patent applications, formulae, manufacturing 
processes, basic scientific data, or formulation information supplied to the Investigator by 
Nabriva Therapeutics AG and not previously published) is considered confidential by 
Nabriva Therapeutics AG and shall remain the sole property of Nabriva Therapeutics AG.  
The Investigator agrees not to use it for other purposes without Nabriva Therapeutics AG 
written consent. 
It is understood by the Investigator that Nabriva Therapeutics AG will use the information 
developed in this clinical study in connection with the development of lefamulin and, 
therefore, may be disclosed as required to other Nabriva Therapeutics AG Investigators or 
any appropriate international Regulatory Authorities.  In order to allow for the use of 
information derived from this clinical study, the Investigator understands that he/she has an 

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obligation to provide Nabriva Therapeutics AG with complete test results and all data 
developed during this study. 
All manuscripts, abstracts or other modes of presentation arising from the results of the study 
must be reviewed and approved in writing by Nabriva Therapeutics AG in advance of 
submission.  The review is aimed at protecting Nabriva Therapeutics AG's proprietary 
information existing either at the date of the commencement of the study or generated during 
the study. 
The detailed obligations regarding the publication of any data shall be set out in the 
agreement between each Investigator and Nabriva Therapeutics AG. 
 
 

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19 LIST OF REFERENCES 
 
Arnold et al., 2007. 
Arnold FW, Summersgill JT, Lajoie AS, et al. A worldwide perspective of atypical 
pathogens in community-acquired pneumonia. Am J Respir Crit Care Med. 2007; 
175(10):1086-1093. 
 
AVELOX® (moxifloxacin) PI, 2013. 
AVELOX® (moxifloxacin) Prescribing Information. Manufactured for Bayer HealthCare 
Pharmaceuticals Inc. Distributed by Merck Sharp & Dohme Corp., a subsidiary of Merck 
& Co., Inc. PI revised and approved by FDA on 14-Aug-2013. 
 
Bhavnani et al., 2005. 
Bhavnani SM, Hammell JP, Cirincione BB, Wikler MA, Ambrose PG. Use of 
pharmacokinetic-pharmacodynamic target attainment analyses to support Phase 2 and 3 
dosing strategies for doripenem. Antimicrob Agents Chemother. 2005; 49(9):3944-3947. 
 
Bhavnani et al., 2009. 
Bhavnani SM, Lawrence L, Burak E, Ambrose PG. Clinical trial dose selection for 
dalafloxacin (DFX) for complicated skin and skin-structure infections (cSSSI). Poster 
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Linezolid SPC (solution), 2014. 
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Moxifloxacin SPC (solution), 2012. 
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tablets - Summary of Product Characteristics, (2014) 
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Paukner et al., 2012. 
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Paukner S, Sader HS, Ivezic-Schoenfeld Z, Jones RN. Antimicrobial activity of the 
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Sader HS, Paukner S, Ivezic-Schoenfeld Z, Biedenbach DJ, Schmitz FJ, Jones RN. 
Antimicrobial activity of the novel pleuromutilin antibiotic BC-3781 against organisms 
responsible for community-acquired respiratory tract infections (CARTIs). J Antimicrob 
Chemother. 2012; 67(5):1170-1175.  
 
Van Wart et al., 2009. 
Van Wart S, Andes DR, Ambrose PG, Bhavnani SM. Pharmacokinetic-pharmacodynamic 
modeling to support doripenem dose regimen optimization for critically ill patients. Diagn 
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Wicha WW, Lell C, Obermayr F, Logan DK, Prince WT. An age and gender study 
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Wicha et al., 2013. 
Wicha WW, Lell C, Strickmann DB, Heilmayer W, Ivezic-Schoenfeld Z, Prince WT. 
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Zeitlinger M, Obermayr F, Burian A, et al. The pharmacokinetics of BC-3781 in muscle 
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print] 
 

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20 APPENDICES 
1. Clinical Laboratory Tests (Safety) 
2. Short Acting Antibiotics  
3. Closely Monitored CYP3A4 Substrates and P-Glycoprotein Substrates (excluding 
strong CY3A inducers and inhibitors and excluding strong P-glycoprotein 
inhibitors) 
4. Prohibited Strong P-Glycoprotein Inhibitors and Strong CYP3A Inducers and 
Inhibitors 
5. Drugs That Prolong QT 
6. High Tyramine Diet 
 
 
 

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Appendix 1 
Clinical Laboratory Tests (Safety) 
Blood and urine samples for the following laboratory tests will be sent to a central 
laboratory for testing.   
 
Hematology 
Complete blood count (CBC) with RBC indices and WBC differential 
Platelet count 
Chemistry 
BUN 
Creatinine 
Glucose 
Sodium 
Potassium 
Chloride 
Calcium 
Magnesium 
Phosphorus 
AST 
ALT 
GGT 
Alkaline Phosphatase 
CPK 
Total Bilirubin 
Direct Bilirubin 
Uric Acid 
Albumin 
Total Protein 
Urinalysis 
Specific gravity 
pH, glucose, protein, blood, ketones, bilirubin and leukocyte esterase by dipstick 
Microscopic examination (all samples) 
Other tests 
Procalcitonin 
 
Tests at Screening Only 
Serum pregnancy test 
Urine pregnancy test (testing kit provided by central laboratory; test to be performed at 
the local site prior to randomization) 
 
 
 
 

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Appendix 2 
Short Acting versus Long Acting Antibiotics  
 
 
 
 
 
 

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Appendix 3 
Closely Monitored CYP3A4 Substrates and P-
Glycoprotein Substrates (excluding strong CY3A 
inducers and inhibitors and excluding strong P-
glycoprotein inhibitors) 
Closely Monitored CYP3A4 Substrates 
Alfentanyl 
Efavirenz 
Pimozide 
Alprazolam 
Eplerenone 
Progesterone 
Amiodipine 
Estradiol 
Propranolol 
Aprepitant 
Fentanyl 
Quetiapine 
Aripiprazole 
Finasteride 
Quinine 
Astemizole 
Gleevec 
Reserpine 
Buspirone 
Haloperidol 
Salmeterol 
Cafergot 
Hydrocortisone 
Sildenafil 
Caffeine 
Lercanidipine 
Sirolimus 
Chlorpheniramine 
Lidocaine 
Terfenadine 
Cilostazol 
Methadone 
Testosterone 
Cocaine 
Midazolam 
Trazodone 
Codeine 
Nateglinide 
Triazolam 
Dapsone 
Nevirapine 
Zaleplon 
Dexamethasone 
Nifedipine 
Ziprasidone 
Dextromethorphan 
Nisoldipine 
Zolpidem 
Docetaxel 
Nitrendipine 
 
Domperidone 
Ondansetron 
 
 
 

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Closely Monitored P-Glycoprotein Substrates 
Apixaban 
Fexofenadine 
Ranitidine 
Carvedilol 
Fosamprenavir 
Rivaroxaban 
Cimetidine 
Ivermectin 
Saxagliptin 
Colchicine 
Ledipasvir 
Silodosin 
Dabigatran 
Loperamide 
Sitagliptin 
Daclatasvir 
Losartan 
Sofosbuvir 
Dasabuvir 
Maraviroc 
Tetracycline  
Dexamethasone  
Methylprednisolone 
Tipranavir 
Digoxin  
Methotrexate  
Tolvaptan 
Domperidone 
Morphine 
Umeclidinium 
Edoxaban 
Ombitasvir 
Vecuronium  
Empagliflozin 
Paliperidone 
Vilanterol 
Estradiol 
Paritaprevir  
 
Ezetimibe 
Prazosin 
 
 

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Appendix 4 
Prohibited Strong P-Glycoprotein Inhibitors and 
Strong CYP3A Inducers and Inhibitors 
 
Prohibited Strong P-Glycoprotein Inhibitors 
Amiodarone  
Indinavir  
Ranolazine  
Atorvastatin  
Itraconazole  
Reserpine 
Boceprevir  
Ketoconazole  
Ritonavir  
Bromocriptine  
Linagliptin  
Saquinavir  
Captopril  
Lopinavir and ritonavir  
Simeprevir  
Carvedilol  
Lovastatin  
Simvastatin  
Cobicistat  
Meperidine  
Suvorexant  
Conivaptan  
Methadone 
Tacrolimus  
Cyclosporine  
Nelfinavir 
Tamoxifen  
Diltiazem  
Nicardipine  
Telaprevir  
Doxazosin  
Pentazocine  
Ticagrelor  
Dronedarone  
Progesterone 
Verapamil  
Felodipine  
Quercetin  
 
Fluvastatin  
Quinidine 
 
 
 
Prohibited Strong CYP3A Inhibitors 
Prohibited Strong CYP3A Inducers 
Indinavir 
Carbamazepine 
Nelfinavir 
Phenobarbital 
Ritonavir 
Phenytoin 
Itraconazole 
Pioglitazone 
Ketoconazole 
Rifabutin 
Nefazodone 
Rifampin 
Saquinavir 
St. John’s Wort 
Suboxone 
Troglitazone 
 
 

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Appendix 5 
Drugs That Prolong QT  
 
Anticonvulsants 
Fosphenytoin; Felbamate 
Antihistamines 
Azelastine, Clemastine 
Anti-Infectives 
Amantadine, Clarithromycin, Chloroquine, Foscarnet, 
Erythromycin, Halofantrine, Mefloquine, Pentamidine, 
Sparfloxacin, Quinine, Trimethoprim-Sulfamethoxazole, 
Ketoconazole 
Antineoplastics 
Tamoxifen 
Cardiovascular 
 
Antiarrhythmics 
Amiodarone, Bretylium, Disopyramide, Flecainide, Ibutilide, 
Procainamide, Quinidine, Sotalol, Dofetilide  
 
Calcium Channel Blockers 
Bepridil, Israpidine, Nicardipine 
  Diuretics 
Indapamide, Moexipril/ hydrochlorothiazide 
Hormones 
Octreotide, Vasopressin 
Immunosuppressives 
Tacrolimus 
Migraine: Serotonin Receptor 
Agonists 
Zolmitriptan, Naratriptan, Sumatriptan 
Muscle Relaxants 
Tizanidine 
Narcotic Detoxification 
Levomethadyl 
Psycotherapeutics  
 
Antidepressants 
Amitriptyline, Desipramine, Fluoxetine, Imipramine, Venlafaxine 
 
Antipsychotics 
Chlorpromazine, Haloperidol, Pimozide, Quetiapine, Risperidone, 
Thioridazine 
 
Antianxiety 
Doxepin 
 
Antimanic 
Lithium 
Respiratory 
(Sympathomimetics) 
Salmeterol 
Sedative/Hypnotics 
Chloral hydrate 
Note:  List not exhaustive. 
 
 

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Appendix 6: 
High Tyramine Diet 
 
Food 
Allowed 
Limit 
Avoid 
Beverages 
Milk 
Decaf coffee and tea 
Carbonated drinks 
Chocolate drinks 
Coffee, tea, and other 
caffeinated drinks 
White wine and clear spirits 
(limit two 8 oz. servings) 
Alcoholic drinks, especially 
beer, ale, wine (Chianti, 
burgundy, sherry, 
vermouth, sauterne), and 
nonalcoholic beer and wine 
Acidophilus milk 
Bread 
Whole-wheat enriched white 
breads, rolls, crackers, and 
quick breads 
None 
Cheese breads 
Crackers 
Sourdough and fresh, 
homemade, yeast-leavened 
breads 
Cereals 
Cooked and dry cereals 
None 
None 
Cheese and 
Dairy Products 
Cottage cheese, farmer or pot 
cheese, cream cheese, ricotta 
cheese, and processed cheese 
Buttermilk (limit to 4 oz.), 
sour cream, yogurt (national 
brands only-limit to 4 oz. 
per day) 
All other cheese: aged 
cheese, Camembert, 
cheddar, Gouda, Gruyere, 
mozzarella, Parmesan, 
provolone, Roquefort, and 
Stilton 
Desserts 
Cakes and cookies 
Gelatins 
Ice cream and sherbets 
Pastries 
Puddings 
Chocolate desserts 
Cheese-filled desserts and 
cheesecake 
Eggs 
All 
None 
Quiche with cheese 
Fats 
All 
None 
None 
Fruits 
Fresh, frozen, or canned 
fruits and juices 
None 
Banana peel extract 
Overripe and spoiled fruits 
Meats, Fish, and 
Poultry 
All fresh or frozen meats, 
fish, or poultry 
Aged meats and 
frankfurters 
Fresh sausage and 
pepperoni 
Canned sardines 
Canned meats 
Caviar (more than 1 oz.) 
Chicken and beef liver 
Dried, salted, and pickled 
fish 
Fermented and dry sausages 
Salami 

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Food 
Allowed 
Limit 
Avoid 
Fish roe (caviar) and paté 
(limit to 1 oz.) 
Dried meats and meat 
extracts 
Potatoes and 
Substitutes 
White and sweet potatoes 
Grits, pasta, and rice 
None 
None 
Soups 
All cream and broth soups, 
except those on the "Avoid" 
list 
None 
Soups from Italian broad 
beans and fava beans 
Cheese soup 
Soup made with beer or 
wine 
Any soup cubes or meat 
extract 
Packet soups and packaged 
soups 
Miso soup 
Sweets 
Sugars, hard candies, honey, 
molasses, and syrups 
Chocolate candies and 
chocolate syrups 
Imported chocolate 
Vegetables 
All fresh, frozen, canned or 
dried vegetables and 
vegetable juices, except those 
on the "Avoid" list 
None 
Chinese pea pods 
Fava beans and Italian 
broad beans 
Sauerkraut 
Fermented soybean 
products miso and some 
tofu products) 
Miscellaneous 
Salt 
Nuts and peanut butter 
Spices, herbs, and flavorings 
Soy sauce (limit to 1/4 cup) 
and teriyaki sauce (limit to 
1/4 cup) 
Brewer's yeast 
Marmite (vegetable 
extracts) 
Yeast concentrates 
Vitamin supplements with 
brewer's yeast 
Monosodium glutamate 
(MSG) 
All aged products