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 GT3, GT4, GT5, and GT6 Infection
In Brief
A Phase 2 clinical trial evaluating Grazoprevir, Uprifosbuvir, and 4 other interventions for Hepatitis C. Completed, enrolled 413 participants.
Detailed Summary
This is a randomized, three-part, parallel-group, open-label trial of grazoprevir (MK-5172) (100 mg) and uprifosbuvir (MK-3682) (300 mg or 450 mg) with either elbasvir (MK-8742) (50 mg) or ruzasvir (MK-8408) (60 mg), and with or without ribavirin (RBV), in treatment-naive (TN) or treatment-experienced (TE) cirrhotic (C) or non-cirrhotic (NC) participants infected with hepatitis C virus (HCV) genotype (GT) 3, GT4, GT5, or GT6. Part A will consist of 4 arms to evaluate the safety of dose combinations. In Part B, participants will take 2 uprifosbuvir (+) grazoprevir (+) ruzasvir (MK-3682B) 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 uprifosbuvir (+) grazoprevir (+) ruzasvir with RBV in Part C (data obtained from Part C will not be used in the analysis of outcome measures).
Study Details
Timeline
Interventions
Part A: one grazoprevir 100 mg tablet taken q.d. by mouth.
Part A: two or three uprifosbuvir 150 mg (300 or 450 mg total daily dose) tablets taken q.d. by mouth.
Part A: one elbasvir 50 mg tablet taken q.d. by mouth.
Part A: six ruzasvir 10 mg (60 mg total daily dose) capsules taken q.d. by mouth.
Part B and Part C: two FDC tablets, each containing grazoprevir 50 mg + elbasvir 225 mg + ruzasvir 30 mg, taken q.d. by mouth.
Part B and Part C: RBV 200 mg capsules taken b.i.d. by mouth at a total daily dose of 800 mg - 1400 mg based on participant body weight.