Overview Phase 2 Study of TD-9855 to Treat Fibromyalgia Status: Completed Trial end date: 2014-04-01 Target enrollment: Participant gender: Summary The purpose of this study study is to determine whether TD-9855 is effective in treating patients with fibromyalgia. Phase: Phase 2 Details Lead Sponsor: Theravance BiopharmaTheravance Biopharma R & D, Inc.