THE WOODLANDS, Texas, April 21, 2008 (PRIME NEWSWIRE) -- Lexicon Pharmaceuticals, Inc. (Nasdaq:LXRX) will release its first quarter 2008 financial results on Tuesday, April 29, 2008 after the financial markets close. Lexicon management will hold a conference call to discuss its clinical development progress and financial results for first quarter 2008 at 5:00 p.m. Eastern Time on April 29, 2008.