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- Title
Daclatasvir + asunaprevir + beclabuvir ± ribavirin for chronic HCV genotype 1-infected treatment-naive patients.
- Authors
Everson, Gregory T.; Sims, Karen D.; Thuluvath, Paul J.; Lawitz, Eric; Hassanein, Tarek; Rodriguez ‐ Torres, Maribel; Desta, Tadesse; Hawkins, Trevor; Levin, James M.; Hinestrosa, Federico; Rustgi, Vinod; Schwartz, Howard; Younossi, Zobair; Webster, Lynn; Gitlin, Norman; Eley, Timothy; Huang, Shu ‐ Pang; McPhee, Fiona; Grasela, Dennis M.; Gardiner, David F.
- Abstract
Background and Aims This phase-2b study examined the safety and efficacy of an all-oral, interferon-free combination of the NS5A replication complex inhibitor daclatasvir ( DCV), the NS3 protease inhibitor asunaprevir ( ASV), and the nonnucleoside NS5B polymerase inhibitor beclabuvir ( BCV) with or without ribavirin in patients with HCV genotype ( GT) 1 infection. Methods A total of 187 patients received 12 weeks of DCV 30 mg BID plus ASV 200 mg BID and BCV 150 mg BID ( n = 86) or 75 mg BID with ( n = 21) or without ( n = 80) weight-based ribavirin BID. The primary endpoint was HCV RNA <25 IU/ml at post-treatment week 12 ( SVR12). Results Overall, 90% of patients (169/187) in the combined treatment groups achieved SVR on or after post-treatment week 12. SVR rates were similar across subgroups (by mITT analysis), i.e. patients with cirrhosis (88%, 14/16), HCV GT-1a (90%, 137/155), and IL28B non- CC genotype (90%, 115/128). There were no drug-related serious AEs or grade 4 AEs. The most frequently reported AEs were headache, diarrhoea, fatigue and nausea. Addition of ribavirin to DCV+ ASV+ BCV was associated with decreased haemoglobin, compared with DCV+ ASV+ BCV alone. There were six grade 3/4 laboratory abnormalities noted, all unrelated to the study drugs. Viral breakthrough occurred in 2.5-4.8% of patients across groups and appeared unrelated to BCV dose or ribavirin inclusion. Conclusions Results support phase 3 evaluation of a twice-daily, fixed-dose formulation of this DCV+ ASV+ BCV regimen with or without ribavirin in HCV GT-1-infected patients.
- Subjects
HEPATITIS C treatment; RIBAVIRIN; INTERFERONS; PROTEASE inhibitors; HEPATITIS C; COMBINATION drug therapy; TREATMENT of cirrhosis of the liver; PATIENTS
- Publication
Liver International, 2016, Vol 36, Issue 2, p189
- ISSN
1478-3223
- Publication type
Article
- DOI
10.1111/liv.12964