CAMBRIDGE, Mass., July 26, 2007 (PRIME NEWSWIRE) -- Infinity Pharmaceuticals, Inc. (Nasdaq:INFI), an innovative cancer drug discovery and development company, today announced that Infinity management will host a conference call on Thursday, August 2, 2007 at 8:30 a.m. EDT. In the conference call, management will provide a research and development update and discuss results for the quarter ended June 30, 2007.