期刊
MENOPAUSE-THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY
卷 13, 期 3, 页码 442-450出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.gme.0000182802.06762.b2
关键词
estradiol acetate; estrogen therapy; postmenopausal women; urogenital symptoms; vasomotor symptoms
Objective: To determine the efficacy of three doses of a new, oral formulation of estradiol acetate (EA) for alleviation of vasomotor and urogenital symptoms in postmenopausal women. Design: Two separate 12-week studies were undertaken in postmenopausal women with moderate to severe vasomotor symptoms. In the first study, women were randomly assigned to EA 0.9 mg/day, EA 1.8 mg/day, or placebo (study 1; N=293), and in the second study to oral EA 0.45 mg/day or placebo (study 2; N=259). Women recorded the frequency and severity of vasomotor symptoms daily and urogenital symptoms weekly on diary cards. Investigators assessed signs of vaginal atrophy. Results: Frequency of moderate to severe vasomotor symptoms decreased significantly versus placebo, starting at week 2 in the EA 1.8-mg group (P=0.005), week 3 in the EA 0.9-mg group (P=0.003), and week 6 in the EA 0.45-mg group (P<0.05). At week 12, mean percent reduction from baseline in vasomotor-symptom frequency was 91%, 78%, and 61%, respectively. Vasomotor-symptom severity decreased significantly versus placebo, starting at weeks 2 and 3 with EA 1.8 mg and 0.9 mg, respectively, and at week 5 with EA 0.45 mg. Vaginal pH and maturation index improved significantly in all EA groups versus placebo, and some signs and symptoms of vaginal atrophy improved at the EA 0.9- and 1.8-mg doses. Side effects were mild to moderate and consistent with estrogen therapy. Conclusions: Oral EA at all doses was well tolerated and significantly reduced the frequency and severity of postmenopause symptoms versus placebo.
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