MILAN, Italy and DAYTON, Ohio, April 29, 2008 (PRIME NEWSWIRE) -- Eurand N.V. (Nasdaq:EURX), a specialty pharmaceutical company that develops, manufactures and commercializes enhanced pharmaceutical and biopharmaceutical products based on its proprietary drug formulation technologies, announced today that Chattem, Inc. (“Chattem”) has launched a new orally disintegrating tablet (“ODT”) formulation of its popular over-the-counter (OTC) sleep-aid brand, Unisom(r).