Overview Efficacy and Safety Study of Dexmedetomidine as an Additive to Local Anesthetics in Shoulder Surgery Status: Completed Trial end date: 2012-11-01 Target enrollment: Participant gender: Summary The purpose of this study is to test the efficacy and safety of dexmedetomidine added to ropivacaine in patients undergoing shoulder surgery. Phase: Phase 3 Details Lead Sponsor: Prof. Peter Gerner, M.D.Treatments: DexmedetomidineRopivacaine