Overview Endometrial Safety Study of a 0.5 mg Estradiol and 2.5 mg Dydrogesterone Combination Status: Completed Trial end date: 2007-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to demonstrate endometrial safety of continuous combined 0.5 mg estradiol and 2.5 mg dydrogesterone. Phase: Phase 3 Details Lead Sponsor: Solvay PharmaceuticalsTreatments: DydrogesteroneEstradiolEstradiol 17 beta-cypionateEstradiol 3-benzoateEstradiol valeratePolyestradiol phosphate