Lexicon Pharmaceuticals, Inc.’ Drug Candidate for Irritable Bowel Syndrome Completes Phase 1 Clinical Trial Showing Positive Results

THE WOODLANDS, Texas, July 29, 2008 (PRIME NEWSWIRE) -- Lexicon Pharmaceuticals, Inc. (Nasdaq:LXRX), a biopharmaceutical company focused on discovering and developing breakthrough treatments for human disease, announced today that it has successfully completed a Phase 1 multiple-dose escalation study in normal volunteers with LX1031, its oral drug candidate for irritable bowel syndrome (IBS). The company plans to progress the new drug candidate into Phase 2 studies in the fourth quarter. LX1031 is one of four programs in human clinical trials as part of Lexicon's 10TO10 program.