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EBR/GZR

Phase 2

HCV Infection | Small molecule | Other |Merck & Company, Inc.|Last Updated: May 31, 2023

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
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment57
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03379506Elbasvir (EBR)/Grazoprevir (GZR) in Pediatric Participants With Chronic Hepatitis C Infection (MK-5172-079)PHASE2 COMPLETED 57Jan 25, 2018Jul 23, 2020May 31, 202315 United States, Germany +2
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Study Endpoints
Primary Endpoints
Area Under the Plasma Concentration-Time Curve From Dosing to 24 Hours Postdose (AUC0-24hr) of EBR at Steady State
Week 4: Predose and 0.5, 1, 2, 3, 4, 6, 8, 10, and 24 hours postdose

The AUC0-24hr of EBR at steady state (Week 4) was determined in each cohort.

Maximum Plasma Concentration (Cmax) of EBR
Week 4: Predose and 0.5, 1, 2, 3, 4, 6, 8, 10, and 24 hours postdose

The Cmax of EBR at steady state (Week 4) was determined in each cohort.

Steady State Predose Drug Concentration (Ctrough) of EBR
Week 4: Predose

The Ctrough of EBR at steady state (Week 4) was determined at steady state prior to dosing in each cohort.

Apparent Clearance (CL/F) of EBR at Steady State
Week 4: Predose and 0.5, 1, 2, 3, 4, 6, 8, 10, and 24 hours postdose

The CL/F of EBR at steady state (Week 4) was determined in each cohort.

AUC0-24hr of GZR at Steady State
Week 4: Predose and 0.5, 1, 2, 3, 4, 6, 8, 10, and 24 hours postdose

The AUC0-24hr of GZR at steady state (Week 4) was determined in each cohort.

Cmax of GZR
Week 4: Predose and 0.5, 1, 2, 3, 4, 6, 8, 10, and 24 hours postdose

The Cmax of GZR at steady state (Week 4) was determined in each cohort.

Ctrough of GZR
Week 4: Predose

The Ctrough of GZR at steady state (Week 4) was determined at steady state prior to dosing in each cohort.

CL/F of GZR at Steady State
Week 4: Predose and 0.5, 1, 2, 3, 4, 6, 8, 10, and 24 hours postdose

The CL/F of GZR at steady state (Week 4) was determined in each cohort.

Secondary Endpoints
Percentage of Participants With ≥1 Adverse Event (AE)
Up to 36 weeks
Percentage of Participants Discontinuing Study Treatment Due to an AE
Up to 12 weeks
Percentage of Participants With Sustained Virologic Response 12 Weeks After Completing Treatment (SVR12)
Week 24
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
EBR/GZREXPERIMENTALPediatric participants receive EBR/GZR as either FDC tablets or oral granules once daily for 12 weeks. A 24-week follow-up period will follow the 12-week treatment regimen.
Interventions
NameTypeDescription
EBR/GZR FDC TabletDRUGParticipants who are 12 to \<18 years of age will receive oral FDC tablets with EBR 50 mg/GZR 100 mg once daily by mouth.
PlaceboDRUGPlacebo tablet matched to EBR/GZR FDC tablet.
Grazoprevir Oral GranulesDRUGParticipants 3 to \<12 years of age take grazoprevir granules 0.5 mg by mouth in a soft food vehicle at a dose not to exceed 50 mg.
Elbasvir Oral GranulesDRUGParticipants 3 to \<12 years of age take elbasvir oral granules 1 mg by mouth in a soft food vehicle at a dose not to exceed 100 mg.
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Eligibility Criteria
Age Range3 Years — 17 Years
SexALL
Healthy VolunteersNo
Study Sites15

Inclusion Criteria: * Has documented chronic HCV genotype (GT) 1 or GT4 infection * Has the following liver disease staging assessment: absence of cirrhosis or compensated cirrhosis * Has one of the following HCV treatment statuses: * GT1 and GT4: treatment-naïve (TN), defined as no prior exposure ...

Countries:United StatesGermanyPolandSweden
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