Overview Dose Ranging Study in Healthy Methadone Maintenance Subjects Status: Completed Trial end date: 2006-10-01 Target enrollment: Participant gender: Summary To assess the effect of a single oral dose of MOA-728, an investigational drug, on the oral-cecal transit time in subjects who are taking methadone. Phase: Phase 1 Details Lead Sponsor: Bausch Health Americas, Inc.Valeant Pharmaceuticals International, Inc.Treatments: Methadone