Antihypertensive Effects of Drospirenone With 17β-Estradiol, a Novel Hormone Treatment in Postmenopausal Women With Stage 1 Hypertension

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Abstract
Background— Drospirenone (DRSP) is a novel progestin with antimineralocorticoid activity that has been developed for hormone therapy in combination with 17β-estradiol (E2) in postmenopausal women. In prior studies with DRSP in postmenopausal women that were focused on relief of menopausal symptoms, DRSP/E2 yielded significant reductions in blood pressure (BP). Methods and Results— The effects of 3 mg DRSP/1 mg E2 on clinic and 24-hour ambulatory BP as well as potassium homeostasis were evaluated in postmenopausal women with stage 1 hypertension (systolic, 140 to 159 and/or diastolic, 90 to 99 mm Hg) in a 12-week, multicenter, double-blind, randomized, placebo-controlled study. Clinic BPs were measured at baseline and at 2, 4, 6, 8, and 12 weeks of therapy, whereas potassium was measured at 2, 6, and 12 weeks of therapy. Ambulatory BP was performed in a substudy at baseline and at the end of the trial. In the intention-to-treat population of 213 women, the clinic BP was reduced significantly on DRSP/E2 (cl...