Bristol-Myers Squibb (BMY) Publishes Data on HCV Phase II for Null Responders; Primary Endpoint Sustained

January 18, 2012 5:03 PM EST
Bristol-Myers Squibb Company (NYSE: BMY) today announced the full results, published in the New England Journal of Medicine, from a Phase II clinical trial in patients with hepatitis C virus (HCV) genotype 1 who had not responded to prior therapy with PEG-interferon alfa and ribavirin (‘null responders’1). The study demonstrated that its primary endpoint of the achievement of sustained virologic response 12-weeks post-treatment (SVR12) is possible with a direct-acting antiviral (DAA)-only combination containing daclatasvir and asunaprevir (4/11 patients, including two of two patients infected with HCV genotype 1b). This study was the first study to demonstrate the possibility that hepatitis C can be cured (defined as sustained virologic response 48 weeks post-treatment or SVR48) without the use of interferon. The study also demonstrated that 100 percent (10/10) of these difficult-to-treat patients dosed with quadruple therapy containing daclatasvir and asunaprevir in combination with PEG-Interferon alfa and ribavirin achieved SVR12.

In this study there were no serious adverse events on treatment or discontinuations due to adverse events. Diarrhea was the most common adverse event in both groups (73% and 70%).


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