DUBLIN, Calif.--(BUSINESS WIRE)--Astex Pharmaceuticals, Inc. (NASDAQ:ASTX), a pharmaceutical company dedicated to the discovery, development and commercialization of novel therapeutics, announced that it will present data on its novel, first-in-class direct acting antiviral agents (DAA) against Hepatitis C Virus (HCV) at the 62nd Annual Meeting of the American Association for the Study of Liver Diseases (AASLD) in San Francisco, November 4-8, 2011.