Overview SUBLOCADE Rapid Initiation Extension Study Status: Completed Trial end date: 2020-05-15 Target enrollment: Participant gender: Summary A single center, open-label SUBLOCADE treatment extension study in which up to 25 participants diagnosed with moderate to severe opioid use disorder (OUD) could be enrolled. Phase: Phase 4 Details Lead Sponsor: Indivior Inc.Treatments: Buprenorphine