Overview Opioid Rotation From Morphine to Methadone in Treatment of Non-malignant Pain Status: Completed Trial end date: 2005-03-01 Target enrollment: Participant gender: Summary Patients with non-malignant pain are switched from morphine to methadone with a nine-months' follow-up. Phase: Phase 3 Details Lead Sponsor: Norwegian University of Science and TechnologyTreatments: MethadoneMorphine