Positive results from two ADL5945 Phase 2 studies for opioid-induced constipation

Adolor Corporation (NasdaqGM:ADLR) today announced positive, statistically significant top line results from its two Phase 2 studies of ADL5945 in chronic non-cancer pain patients with opioid-induced constipation (OIC). ADL5945, a peripherally-acting mu opioid receptor antagonist, is an investigational drug being evaluated for the treatment of OIC as well as other associated gastrointestinal (GI) complications. Both randomized, double-blind, placebo-controlled studies were identical in design; Study 242 evaluated 0.25 mg and 0.10 mg of ADL5945 administered twice daily (BID) and Study 243 evaluated 0.25 mg of ADL5945 administered once daily (QD).

"Opioid analgesics have become a cornerstone of multimodal therapy for the management of patients who suffer with chronic non-cancer pain," said Neil Singla, M.D., Department of Anesthesiology, Director, Clinical Research, Huntington Memorial Hospital in Pasadena, California, and lead investigator for the Phase 2 program. "Unfortunately, OIC presents a very serious burden to most patients treated on long-term opioid therapy, and currently there are no adequate therapies to address this common and debilitating condition. The results of these studies of ADL5945 are very encouraging - demonstrating both clinically meaningful effects and a favorable tolerability profile."

"Our Phase 2 program achieved all of our objectives and validates our view that ADL5945 is a potentially important drug for patients suffering from OIC and related GI symptoms," said Michael R. Dougherty, Adolor's President and CEO. "Adolor has extensive experience in this therapeutic area that we will continue to leverage as we now focus on the Phase 3 program. There has been significant interest in ADL5945 and we look forward to sharing these data and initiating pivotal studies as expeditiously as possible."


Adolor Corporation


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