EXTON, Pa.--(BUSINESS WIRE)--Adolor Corporation (NasdaqGM: ADLR) today reported a net loss of $47.9 million, or $(1.03) per basic and diluted share, for the year ended December 31, 2009, compared to a net loss of $30.1 million, or $(0.65) per basic and diluted share, for the year ended December 31, 2008. The prior year net loss was favorably impacted by a $20.0 million milestone payment received from GlaxoSmithKline (GSK) in the second quarter of 2008 upon the approval of ENTEREG® (alvimopan) by the U.S. Food and Drug Administration.