CAMBRIDGE, Mass., April 28, 2008 (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 Monday, May 5, 2008 at 4:30 p.m. EDT. In the conference call, management will provide a research and development update and discuss results for the quarter ended March 31, 2008.