Overview Naltrexone and Clonidine Combination (ATNC05) in the Treatment of Chronic Back Pain Status: Completed Trial end date: 2013-02-01 Target enrollment: Participant gender: Summary The study includes back pain of the cervical, thoracic, and the lumbar regions. Phase: Phase 2 Details Lead Sponsor: Annette C. Toledano MDTreatments: ClonidineNaltrexone