Alvimopan, a novel, peripherally acting mu opioid antagonist: results of a multicenter, randomized, double-blind, placebo-controlled, phase III trial of major abdominal surgery and postoperative ileus

Annals of Surgery
Bruce G WolffAlvimopan Postoperative Ileus Study Group

Abstract

To demonstrate that alvimopan (6 or 12 mg) accelerates recovery of gastrointestinal (GI) function in patients undergoing laparotomy for bowel resection or radical hysterectomy. Postoperative ileus (POI) following laparotomy may increase morbidity and extend hospitalization. Opioids can contribute to the duration of POI. Alvimopan is a novel opioid receptor antagonist in development for the management of POI. A total of 510 patients scheduled for bowel resection or radical hysterectomy were randomized (1:1:1) to receive alvimopan 6 mg, alvimopan 12 mg, or placebo orally > or =2 hours before surgery, then twice a day (b.i.d.) until hospital discharge or for up to 7 days. The primary efficacy end point was a composite of time to recovery of upper and lower GI function. An associated secondary end point was time to hospital discharge order written. The modified intent-to-treat population included 469 patients (451 bowel resection and 18 radical hysterectomy patients). Time to recovery of GI function was accelerated for the alvimopan 6 mg (hazard ratio [HR] = 1.28; P < 0.05) and 12 mg (HR = 1.54; P < 0.001) groups with a mean difference of 15 and 22 hours, respectively, compared with placebo. The time to hospital discharge order wri...Continue Reading

Associated Clinical Trials

Aug 18, 2014·Michael KellyMichael Kelly
Jun 2, 2016·Bhiken I. Naik, MD, Bhiken I. Naik, MD
Mar 3, 2017·Pablo Rodriguez Ortiz

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