Overview Efficacy and Safety of Betamethasone Microsphere in Patients With Diabetic Macular Edema (TSUBASA) Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary This study will evaluate the efficacy and safety of Betamethasone Microsphere (DE-102) for diabetic macular edema. Phase: Phase 2/Phase 3 Details Lead Sponsor: Santen Pharmaceutical Co., Ltd.Treatments: BetamethasoneBetamethasone benzoateBetamethasone sodium phosphateBetamethasone ValerateBetamethasone-17,21-dipropionate