Overview Estrogen, HDL, and Coronary Heart Disease in Women Status: Completed Trial end date: 2007-02-01 Target enrollment: Participant gender: Summary To clarify the effects of estrogen, with or without progestin, on high density lipoprotein (HDL) in postmenopausal women. Phase: Phase 2/Phase 3 Details Lead Sponsor: Tufts UniversityCollaborator: National Heart, Lung, and Blood Institute (NHLBI)Treatments: EstrogensEstrogens, Conjugated (USP)MedroxyprogesteroneMedroxyprogesterone Acetate