Enanta Announces New Data on VIEKIRA PAK in Patients with Chronic Hepatitis C Virus Infection With or Without Compensated Cirrhosis

Enanta Pharmaceuticals, Inc.,

announced Saturday, new data from AbbVie's ongoing Phase 3b TOPAZ-II study evaluating VIEKIRA PAK® (ombitasvir, paritaprevir, ritonavir tablets; dasabuvir tablets), taken with or without ribavirin (RBV), in adult patients with genotype 1a (GT1a) or genotype 1b (GT1b) chronic hepatitis C virus (HCV) infection.1 Interim data show that 95 percent (n=586/615) of patients in the TOPAZ-II trial achieved a sustained virological response at 12 weeks post-treatment after 12 or 24 weeks of treatment, a secondary endpoint for the study.1 These data were presented today at The Liver Meeting® 2015, the Annual Meeting of the American