NEW HAVEN, Conn., Jan. 28, 2010 (GLOBE NEWSWIRE) -- Achillion Pharmaceuticals, Inc. (Nasdaq:ACHN) today announced the nomination of a lead clinical candidate in its third proprietary program against hepatitis C infection. The candidate, ACH-2684, demonstrates excellent potency in the low pico-molar range, as well as good pharmacokinetic and safety profiles in pre-clinical studies.