NEW HAVEN, Conn., June 22, 2011 (GLOBE NEWSWIRE) -- Achillion Pharmaceuticals, Inc. (Nasdaq:ACHN) today announced that the Company has initiated patient dosing in segment 2 of its Phase 2 clinical trial of ACH-1625 for the treatment of hepatitis C virus (HCV) for genotype 1 treatment naïve HCV-infected patients. ACH-1625, discovered and advanced by Achillion, is a potent small molecule inhibitor of HCV protease, an enzyme necessary for viral replication.

NEW HAVEN, Conn., March 30, 2011 (GLOBE NEWSWIRE) -- Achillion Pharmaceuticals, Inc. (Nasdaq:ACHN) today announced top-line results from its on-going Phase 2a clinical trial of ACH-1625 dosed once daily (QD) in combination with Pegasys® (peginterferon alfa-2a) and Copegus® (ribavirin), a current standard of care (SOC) in patients with chronic hepatitis C (HCV) infection. The analysis demonstrated that 75-81% of patients receiving ACH-1625 achieved rapid virologic response (RVR) with a promising safety and tolerability profile. ACH-1625 is an inhibitor of HCV NS3 protease that was discovered by and is being developed by Achillion.