THE WOODLANDS, Texas, July 22 /PRNewswire-FirstCall/ -- Lexicon Pharmaceuticals, Inc. (Nasdaq: LXRX - News) will release its second quarter 2009 financial results on Tuesday, July 28, 2009 before the financial markets open. Lexicon management will hold a conference call to discuss its clinical development progress and financial results for second quarter 2009 at 11:00 a.m. Eastern Time on July 28, 2009.