作者: Anna S Lok , David F Gardiner , Eric Lawitz , Claudia Martorell , Gregory T Everson
关键词:
摘要: Background Patients with chronic hepatitis C virus (HCV) infection who have not had a response to therapy peginterferon and ribavirin may benefit from the addition of multiple direct-acting antiviral agents their treatment regimen. Methods This open-label, phase 2a study included an exploratory cohort 21 patients HCV genotype 1 previous (i.e., ≥2 log10 decline in RNA after ≥12 weeks ribavirin). We randomly assigned receive NS5A replication complex inhibitor daclatasvir (60 mg once daily) NS3 protease asunaprevir (600 twice alone (group A, 11 patients) or combination alfa-2a B, 10 for 24 weeks. The primary end point was percentage sustained virologic 12 period. Results A total 4 group (36%; 2 9 HC...