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Relebactam

Phase 3

Bacterial Pneumonia | Small molecule | Infectious Disease |Merck & Company, Inc.|Last Updated: Apr 16, 2020

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment537
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02493764Imipenem/Relebactam/Cilastatin Versus Piperacillin/Tazobactam for Treatment of Participants With Bacterial Pneumonia (MK-7655A-014)PHASE3 COMPLETED 537Nov 24, 2015Apr 3, 2019Apr 16, 2020 -
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Study Endpoints
Primary Endpoints
Percentage of Participants With All-cause Mortality (ACM) Through Day 28 in the Modified Intention-to-treat (MITT) Population
Up to 28 days

The percentage of participants in the MITT population with mortality due to any cause from randomization through Day 28 was determined for each arm.

Secondary Endpoints
Percentage of Participants in the MITT Population With a Favorable Clinical Response (FCR) at Early Follow-up (EFU) Visit
Up to 16 days after end of therapy (up to 30 days)
Percentage of Participants With ≥1 Adverse Event (AE)
Up to 30 days
Percentage of Participants Discontinuing Study Therapy Due to an AE
Up to 14 days
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
IMI/RELEXPERIMENTALImipenem 500 mg + relebactam 250 mg + cilastatin 500 mg as a FDC administered intravenously (IV) every 6 hours for a minimum of 7 days, up to 14 days. At study entry open label linezolid 600 mg will also be administered by IV every 12 hours for up to 14 days.
PIP/TAZACTIVE_COMPARATORPiperacillin 4000 mg + tazobactam 500 mg as a FDC administered IV every 6 hours for a minimum of 7 days, up to 14 days. At study entry open label linezolid 600 mg will also be administered by IV every 12 hours for up to 14 days.
Interventions
NameTypeDescription
ImipenemDRUGImipenem 500 mg as part of a FDC administered by IV every 6 hours for a minimum of 7 days, up to 14 days
RelebactamDRUGRelebactam 250 mg as part of a FDC administered by IV every 6 hours for a minimum of 7 days, up to 14 days
CilastatinDRUGCilastatin 500 mg as part of a FDC administered by IV every 6 hours for a minimum of 7 days, up to 14 days
PiperacillinDRUGPiperacillin 4000 mg as part of a FDC administered by IV every 6 hours for a minimum of 7 days, up to 14 days
TazobactamDRUGTazobactam 500 mg as part of a FDC administered by IV every 6 hours for a minimum of 7 days, up to 14 days
LinezolidDRUGLinezolid 600 mg administered open-label by IV every 12 hours for up to 14 days
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Requires treatment with IV antibiotic therapy for hospital-acquired bacterial pneumonia (HABP) or ventilator-associated bacterial pneumonia (VABP) * Fulfills clinical and radiographic criteria, with onset of criteria occurring after more than 48 hours of hospitalization or wit...

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