Estradiol 1 Mg And Drospirenone 2 Mg As Hormone Replacement Therapy In Postmenopausal Chinese Women
CLIMACTERIC(2011)
Abstract
Objectives Drospirenone is a novel progestogen that, combined with 17 beta-estradiol, reduces the frequency and severity of menopausal vasomotor symptoms (VMS) in different populations. This double-blind, multicenter study compared the efficacy, safety and tolerability of 2 mg drospirenone/1 mg estradiol (DRSP/E2) vs. placebo in Chinese postmenopausal women with moderate to severe VMS.Methods Women, aged 45-65 years, were randomized to DRSP/E2 (n = 183) or placebo (n = 61) once daily for four 28-day cycles. Changes in the frequency and severity of hot flushes were analyzed as primary variables, together with other climacteric and urogenital symptoms, clinical global improvement, adverse events and physical/gynecological parameters.Results Relative changes in numbers of hot flushes/week were -80.4% for DRSP/E2 vs. -51.9% for placebo (treatment difference -28.5%, p < 0.0001). There were trends toward a greater reduction in severity of hot flushes with DRSP/E2 treatment. Patients treated with DRSP/E2 were more often free from sweating episodes (p < 0.0001) and vaginal dryness (p = 0.0008). Other climacteric symptoms, including nervousness and pollakisuria, followed a trend of greater response with DRSP/E2. Similar to other combination HRT regimens, DRSP/E2 increased occurrences of bleeding, but these decreased over time. Adverse events in patients treated with DRSP/E2 were mostly mild to moderate and withdrawal rates were low.Conclusions Daily treatment of postmenopausal Chinese women with DRSP/E2 for 16 weeks significantly reduced the incidence of hot flushes and demonstrated advantages vs. placebo for other climacteric symptoms. These results indicate that DRSP/E2 is effective, safe and well tolerated in postmenopausal Chinese women.
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Key words
DROSPIRENONE, ESTRADIOL, HORMONE REPLACEMENT THERAPY, HORMONE THERAPY, MENOPAUSE, VASOMOTOR SYMPTOMS, RANDOMIZED CONTROLLED TRIAL
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