Overview FK506 Phase 3 Study: a Study for Steroid Non-resistant Myasthenia Gravis (MG) Patients Status: Completed Trial end date: 2008-06-01 Target enrollment: Participant gender: Summary The purpose of the study is to investigate the efficacy and safety for steroid non-resistant MG patients in a double blind, placebo controlled study. Phase: Phase 3 Details Lead Sponsor: Astellas Pharma IncTreatments: Tacrolimus