出版社：THE SCHOOL OF PUBLIC HEALTH, TEHRAN UNIVERSITY OF MEDICAL SCIENCES
摘要：Background: Phytoestrogens treatment to relieve hot flushes in menopausal women was considered recently. However, the actual effectiveness and safety are not clear. Methods: Randomized clinical trial (IRCT#20100706004329N5) was performed in 204 patients who complained of hot flushes in Arash Women’s Hospital, Tehran, Iran from 2013–2015. The first group received 50 mg isoflavone (group A) once daily and the second group received placebo (group B) in the same regimen. Patients were evaluated for breast examination (BE) and breast sonography (BS) as well as vaginal sonography at initial presentation and at 6th and 12th week follow-ups. Patients were educated to record frequency and severity of hot flushes. Results: Group A experienced less hot flushes attack (6 vs 9 patients with 5< attacks in 6 wk ( P = 0.05), 7 Vs 13 patients with 5< in 12 wk ( P =0.01)) which was also less severe (8 vs 12 patients with severe symptoms in 6 wk (0.04) and 3 Vs 10 patients with severe symptoms in 12 wk (0.001). Isoflavone had no effect on neither breast density nor nodularity (in 6 wk, P =0.50 and 0.80, respectively and in 12 wk, P =0.32 and 0.43) and neither breast tenderness nor nipple discharge (in 6 wk, P =0.40 and 0.34 respectively and in 12 wk, P = 0.31 and 0.26). There were no significant differences in endometrial thickness in 6 and 12wk. Conclusion: Effects of isoflavone on frequency and severity of hot flushes in perimenopausal women is observed. Some clinical and ultrasonographic benign non-significant changes of the breast and endometrium are noted after isoflavone intake.
关键词：Isoflavone; Hot flushes; Breast tissue; Endometrial thickness
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