Overview Buprenorphine-Fentanyl Interaction Study Status: Completed Trial end date: 2019-01-04 Target enrollment: Participant gender: Summary An increase in overdose deaths has been attributed to widespread access to fentanyl and carfentanyl. The study is designed to determine if buprenorphine can change the respiratory depression response to intravenous (IV) fentanyl. Phase: Phase 1 Details Lead Sponsor: Indivior Inc.Treatments: BuprenorphineFentanylOndansetronOxycodonePharmaceutical Solutions