DUBLIN, Ireland & ZUG, Switzerland--(BUSINESS WIRE)--Elan Corporation, plc (NYSE: ELN) and Biogen Idec (NASDAQ: BIIB) announced today that they have been informed by the European Medicines Agency (EMEA) that the Committee for Medicinal Products for Human Use (CHMP) has adopted a negative opinion on the marketing application for the use of natalizumab in patients with Crohn’s disease. In accordance with European regulations, Elan and Biogen Idec plan to apply for a re-examination of the negative opinion through the appeal procedure. A decision on the appeal is expected by 1Q 2008.