Overview NUCYNTA (Tapentadol Immediate Release) Versus Oxycodone Immediate Release in the Treatment of Acute Low Back Pain Status: Completed Trial end date: 2010-12-01 Target enrollment: Participant gender: Summary Evaluate how NUCYNTA (tapentadol) immediate release (IR) compares with oxycodone IR in the treatment of acute low back pain. Phase: Phase 3 Details Lead Sponsor: Ortho-McNeil Janssen Scientific Affairs, LLCCollaborator: GrĂ¼nenthal GmbHTreatments: Oxycodone