HOUSTON, March 17, 2008 (PRIME NEWSWIRE) -- Encysive Pharmaceuticals Inc. (Nasdaq:ENCY) today announced the filing of its annual report on Form 10-K for the year ended December 31, 2007. This filing is available for review on Encysive’s website at www.encysive.com or on the Securities and Exchange Commission’s website at www.sec.gov.