Achillion Pharmaceuticals Announces Interim Results on Phase 2a Trial of ACH-3102

Achillion Pharmaceuticals, Inc.

today announced that it has completed enrollment in a pilot Phase 2a trial evaluating ACH-3102, a second-generation pan-genotypic NS5A inhibitor, in combination with ribavirin for the treatment of patients with chronic genotype 1b (GT 1b) hepatitis C virus (HCV) infection. The initial cohort enrolled eight patients with GT 1b HCV, IL28b genotype CC, that are receiving twelve weeks of ACH-3102 once daily in combination with ribavirin. To date, five patients have completed 4 weeks of treatment, including three patients who have completed 12 weeks of treatment. ACH-3102 has been well-tolerated by all patients with no serious adverse events, subject withdrawals, or on-treatment viral breakthrough reported to date. Treatment with ACH-3102 has resulted in rapid reduction in HCV RNA accompanied by normalization of liver enzymes. "We