NEW YORK--(BUSINESS WIRE)--Synergy Pharmaceuticals, Inc. (OTC BB: SGYP.OB SGY PNews), a developer of new drugs to treat gastrointestinal disorders and diseases, announced today that clinical data from the Phase I healthy volunteer study of SP-304, a new member of a class of investigational drugs for the treatment of irritable bowel syndrome with constipation (IBS-C), and chronic idiopathic constipation (CIC), will be presented at the Digestive Disease Week (DDW) annual meeting to be held in Chicago, IL from May 30 through June 4, 2009.