Overview Study to Evaluate the Effects of ACE-536 in Patients With Beta-thalassemia Status: Completed Trial end date: 2015-11-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the effects of ACE-536 in patients with beta-thalassemia. Phase: Phase 2 Details Lead Sponsor: Acceleron Pharma Inc.Acceleron Pharma, Inc.Treatments: Luspatercept