Overview Safety and Efficacy of Eculizumab in Refractory Generalized Myasthenia Gravis (REGAIN Study) Status: Completed Trial end date: 2016-06-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine if eculizumab is safe and effective for the treatment of refractory generalized Myasthenia Gravis. Phase: Phase 3 Details Lead Sponsor: Alexion PharmaceuticalsTreatments: Eculizumab