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EBR/GZR

Phase 2

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

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment57

FDA Designations

No designations recorded

Clinical trial landscape

EBR/GZR · 1 trial · 1 indication

Phase 2 1
NCT03379506Elbasvir (EBR)/Grazoprevir (GZR) in Pediatric Participants With Chronic Hepatitis C Infection (MK-5172-079)HCV Infection
COMPLETED57 Analytics
PHASE2COMPLETED
Elbasvir (EBR)/Grazoprevir (GZR) in Pediatric Participants With Chronic Hepatitis C Infection (MK-5172-079)
HCV InfectionUnlock trial analytics

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 to 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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Frequently asked questions about EBR/GZR

What is EBR/GZR used for?

EBR/GZR is an investigational small molecule combination being studied for the treatment of chronic hepatitis C virus (HCV) infection. It is being evaluated in pediatric participants aged 3 years and older with chronic HCV infection.

Who makes EBR/GZR?

EBR/GZR is being developed by Merck & Company, Inc., which trades under the ticker symbol MRK on the New York Stock Exchange.

What phase is EBR/GZR in?

EBR/GZR is in Phase 2 clinical development. It is an investigational drug and has not been approved by regulatory authorities. One Phase 2 trial has been completed.

What clinical trials is EBR/GZR in?

EBR/GZR has been studied in one completed Phase 2 clinical trial, NCT03379506, titled 'Elbasvir (EBR)/Grazoprevir (GZR) in Pediatric Participants With Chronic Hepatitis C Infection (MK-5172-079)'. The trial enrolled 57 participants in the United States, Germany, Poland, and Sweden.

Is EBR/GZR the same as elbasvir and grazoprevir?

EBR/GZR is a combination of two drugs: elbasvir (EBR) and grazoprevir (GZR). The combination is being studied together as a single treatment for chronic HCV infection.