Overview Study of ACE-536 for the Treatment of Anemia in Patients With Myelodysplastic Syndromes (MDS) Status: Completed Trial end date: 2018-10-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the effects of ACE-536 on anemia in patients with low or intermediate-1 risk MDS. Phase: Phase 2 Details Lead Sponsor: Acceleron Pharma Inc.Acceleron Pharma, Inc.Treatments: Luspatercept