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Ceftolozane/tazobactam

Phase 3

Healthcare-Associated Pneumonia | Small molecule | Infectious Disease |Merck & Company, Inc.|Last Updated: May 5, 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 Enrollment726
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02070757Safety and Efficacy Study of Ceftolozane/Tazobactam to Treat Ventilated Nosocomial Pneumonia (MK-7625A-008)PHASE3 COMPLETED 726Sep 2, 2014Jun 6, 2018May 5, 2020 -
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Study Endpoints
Primary Endpoints
Percentage of Participants With All Cause Mortality in the Intent-to-Treat (ITT) Population - Day 28
Day 28

To demonstrate the non-inferiority of ceftolozane/tazobactam versus meropenem in stratified adult participants with ventilated nosocomial pneumonia (VNP) (participants with either ventilator-associated bacterial pneumonia \[VABP\] or ventilated hospital-acquired bacterial pneumonia \[HABP\]) based on the difference in all-cause mortality rates in the intent to treat (ITT) population using a non-inferiority margin of 10%. The estimated adjusted percentage was a weighted average across all strata, constructed using Mehrotra-Railkar continuity-corrected minimum risk (MRc) stratum weights.

Secondary Endpoints
Percentage of Participants With Clinical Response of Clinical Cure at the Test-of-Cure (TOC) Visit in the Intent-to-Treat (ITT) Population
7 to 14 days after last dose of study drug (Up to ~Day 30)
Percentage of Participants With All Cause Mortality in the Microbiological Intent-to-Treat (mITT) Population - Day 28
Day 28
Percentage of Participants With Clinical Response of Clinical Cure at the Test-of-Cure (TOC) Visit in the Clinically Evaluable (CE) Population
7 to 14 days after last dose of study drug (Up to ~Day 30)
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Ceftolozane/tazobactamEXPERIMENTALParticipants receive 3000 mg ceftolozane/tazobactam intravenous IV (comprising 2000 mg ceftolozane and 1000 mg tazobactam) every 8 hours for 8-14 days.
MeropenemACTIVE_COMPARATORParticipants receive 1000 mg meropenem IV every 8 hours for 8-14 days.
Interventions
NameTypeDescription
Ceftolozane/tazobactamDRUGCeftolozane/tazobactam is an antibacterial consisting of a co-formulation of ceftolozane, a novel antipseudomonal cephalosporin and tazobactam, a well-established beta (β)-lactamase inhibitor (BLI) being developed for the treatment of serious bacterial infections.
MeropenemDRUGMeropenem is a broad spectrum injectable antibiotic widely used to treat serious infections such as ventilator-associated bacterial pneumonia and hospital-acquired bacterial pneumonia.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo

Key Inclusion Criteria: * Adult participants diagnosed with either VABP or ventilated HABP requiring IV antibiotic therapy; * Intubated and on mechanical ventilation at the time of randomization; * New or progressive infiltrate on chest radiography consistent with pneumonia; * Presence of clinical ...

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