Abbott Offers Details on Phase 3 Hep C Program
Abbott (NYSE: ABT) today released details on its phase 3 hepatitis C registrational program following promising results from its phase 2b clinical trial, known as Aviator, presented at the Annual Meeting of the American Association for the Study of Liver Disease (AASLD) in Boston. The phase 3 clinical trials are designed to evaluate safety and efficacy of a 12-week regimen of three direct acting antivirals (DAA), with and without ribavirin, for the treatment of HCV in genotype 1 (GT1) non-cirrhotic, treatment-naïve and treatment-experienced patients. An additional phase 3 trial will study triple-DAAs, with ribavirin, in patients with cirrhosis for 12 or 24 weeks.
The phase 3 program, which is currently open for enrollment, will include more than 2,000 patients with HCV genotype 1, with trial sites in 29 countries. The DAAs in the studies include ABT-450/r (protease inhibitor and ritonavir), ABT-267 (NS5A inhibitor) and ABT-333 (non-nucleoside polymerase inhibitor). Treatment duration will be 12 weeks in non-cirrhotic patients, and 12 or 24 weeks in cirrhotic patients. All patients will be followed for 48 weeks post-treatment. Co-formulated tablets of ABT-450/r and ABT-267 will be used in the phase 3 trials.
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