At a glance
ClinicalIndex Comparison RecordStandardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
A Phase II, Randomized, Open-Label Clinical Trial to Study the Efficacy and Safety of the Combination Regimen of MK-5172 and MK-3682 With Either MK-8742 or MK-8408 in Subjects With Chronic HCV GT1 and GT2 Infection
In Brief
A Phase 2 clinical trial evaluating Grazoprevir, Uprifosbuvir, and 4 other interventions for Hepatitis C. Completed, enrolled 443 participants.
Detailed Summary
This is a randomized, three-part, open-label trial of grazoprevir (GZR; MK-5172) (100 mg) and uprifosbuvir (UPR; MK-3682) (300 mg or 450 mg), with either elbasvir (EBR; MK-8742) (50 mg) or ruzasvir (RZR; MK-8408) (60 mg), and with or without ribavirin (RBV), in treatment-naïve (TN) cirrhotic (C) or non-cirrhotic (NC) hepatitis C virus (HCV) participants with chronic HCV genotype (GT) 1 or GT2 infection. Part A will consist of 8 arms to evaluate the safety of dose combinations. In Part B, participants will take 2 UPR+GZR+RZR fixed dose combination (FDC) tablets once daily (q.d.) by mouth, with or without twice-daily (b.i.d.) RBV (200 mg capsules; weight-based dosing). Participants who relapse following completion of therapy in Part A will be offered the option of retreatment with 16 weeks of UPR+GZR+RZR with RBV in Part C (data obtained from Part C will not be used in the analysis of outcome measures).
Study Details
Timeline
Interventions
One GZR 100 mg tablet (Part A), or 2 FDC tablets containing GZR 50 mg per tablet (Part B), taken q.d.by mouth.
Two or 3 UPR 150 mg (300 mg and 450 mg total daily dose) tablets (Part A), or 2 FDC tablets containing UPR 225 mg (Part B), taken q.d. by mouth.
One EBR 50 mg tablet (Part A), taken q.d. by mouth.
Six RZR 10 mg (60 mg total daily dose) capsules (Part A), or 2 FDC tablets containing RZR 30 mg per tablet (Part B), taken q.d. by mouth.
Two FDC tablets, each containing GZR 50 mg + UPR 225 mg + RZR 30 mg (Part B), taken q.d. by mouth.
RBV 200 mg capsules taken b.i.d. at a total daily dose of 800-1400 mg based on participant body weight.