Overview OXN PR vs Placebo in Opioid-naive Subjects Suffering From Severe Pain Due to Bladder Pain Syndrome (BPS) Status: Completed Trial end date: 2013-06-01 Target enrollment: Participant gender: Summary The study compares the analgesic efficacy of OXN PR vs placebo in opioid-naive subjects suffering from severe pain due to Bladder Pain Syndrome. Phase: Phase 2 Details Lead Sponsor: Mundipharma Research GmbH & Co KGTreatments: NaloxoneOxycodone