Overview Women's Estrogen/Progestin Lipid Lowering Hormone Atherosclerosis Regression Trial (WELL-HART) Status: Completed Trial end date: 2001-08-01 Target enrollment: Participant gender: Summary To determine the effects, in postmenopausal women, of hormone replacement therapy on progression/regression of coronary heart disease, as measured by quantitative angiography. Phase: Phase 3 Details Lead Sponsor: National Heart, Lung, and Blood Institute (NHLBI)Treatments: EstradiolEstrogensHormonesMedroxyprogesteroneMedroxyprogesterone Acetate