• Brian L Pearlman, Carole Ehleben, and Michael Perrys.
• Center for Hepatitis C, Atlanta Medical Center, Atlanta, Georgia; Department of Internal Medicine, Medical College of Georgia, Augusta, Georgia; Department of Internal Medicine, Emory School of Medicine, Atlanta, Georgia. Electronic address: brianpearlman@hotmail.com.
• Gastroenterology. 2015 Apr 1;148(4):762-70.e2; quiz e11-2.

Background & AimsThe efficacy and safety of interferon-free regimens for the treatment of chronic hepatitis C virus (HCV) infections require further evaluation and comparison with those of interferon-containing regimens. We compared a regimen of peginterferon, ribavirin, and sofosbuvir with a regimen of simeprevir and sofosbuvir in patients with HCV infection and unfavorable treatment features.MethodsWe performed a prospective open-label study of 82 patients with chronic HCV genotype 1a infection and Child's grade A cirrhosis enrolled from 2 clinics at a single center in Atlanta, Georgia, from December 2013 through January 2014. Fifty patients (61%) had not responded to treatment with peginterferon and ribavirin (null responders), and 32 (39%) were therapy naive; 39 (48%) were African American. Subjects were assigned randomly to groups given simeprevir (150 mg/day) and sofosbuvir (400 mg/day) (n = 58 in the final analysis) or peginterferon alfa 2b (1.5 mcg/kg/wk), ribavirin (1000-1200 mg/day), and sofosbuvir (400 mg/day) (n = 24 in the final analysis). Both regimens were given for 12 weeks. The primary trial end point was the proportion of patients with undetectable HCV-RNA levels 12 weeks after therapy completion (SVR12).ResultsA significantly greater percentage of patients (93%) given simeprevir and sofosbuvir achieved an SVR12 than those given the interferon-containing regimen (75%) (P = .02). Patients given the interferon-containing regimen had a significantly higher rate of virologic relapse than patients given simeprevir and sofosbuvir (P = .009), as well as worse self-reported outcomes and more side effects. Quality-of-life scores were higher in patients with SVR12 than those without, regardless of treatment regimen.ConclusionsIn a prospective study of patients with chronic HCV genotype 1a infection and cirrhosis (48% African American and 61% prior null responders), a 12-week regimen of simeprevir and sofosbuvir produced a significantly higher rate of SVR12 and was better tolerated, with a lower viral relapse rate, than a 12-week regimen of peginterferon, ribavirin, and sofosbuvir. Clinicaltrials.gov no: NCT021683615.Copyright © 2015 AGA Institute. Published by Elsevier Inc. All rights reserved.

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