Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Sustained virologic response rate at 12 weeks after end of treatment (SVR12) with elbasvir/grazoprevir decreased markedly among 353 patients with hepatitis C virus (HCV) genotype 1 when there was a history of direct‐acting antiviral (DAA) therapy or a non‐structural protein (NS)5A double mutation.
