Low-dose isoflavone aglycone alleviates psychological symptoms of menopause in Japanese women: a randomized, double-blind, placebo-controlled study.

Abstract:

PURPOSE:Many studies have demonstrated the effectiveness of isoflavones on menopausal symptoms; however, these mostly used high dosages. Because high-dose isoflavone may result in endometrial hyperplasia, we investigated whether low-dose isoflavone aglycone alleviates menopausal symptoms similarly to high dosages. METHODS:We conducted a randomized, double-blind, placebo-controlled study in 90 healthy women aged 40-60 years who had at least one menopausal symptom on the Menopausal Symptom Scale (MSS). The participants were randomized to receive active tablets containing ultralow-dose (12.5 mg/day; n = 30) or low-dose (25 mg/day; n = 30) isoflavone aglycone, or placebo (n = 30) tablets, for 8 weeks. Their menopausal symptoms were evaluated using MSS, Hospital Anxiety and Depression Scale (HADS), and Athens Insomnia Scale (AIS) before, and 4 and 8 weeks after treatment. RESULTS:Eighty-seven women (97 %) completed the 8-week treatment. In the low-dose group, significant improvement was observed from baseline, in the following parameters: (1) HADS-depression subscale score, (2) AIS score, (3) MSS-somatic symptom score after 4 and 8 weeks of treatment, and (4) MSS-vasomotor symptom score after 8 weeks of treatment. The changes in scores on HADS-depression subscale and AIS from baseline to 8 weeks were significantly higher in the low-dose group than in the placebo group. CONCLUSIONS:Low-dose (25 mg/day) isoflavone aglycone significantly alleviated symptoms of depression and insomnia in Japanese middle-aged women. Clinical Trial Registration UMIN-CTR UMIN000011876.

journal_name

Arch Gynecol Obstet

authors

Hirose A,Terauchi M,Akiyoshi M,Owa Y,Kato K,Kubota T

doi

10.1007/s00404-015-3849-0

subject

Has Abstract

pub_date

2016-03-01 00:00:00

pages

609-15

issue

3

eissn

0932-0067

issn

1432-0711

pii

10.1007/s00404-015-3849-0

journal_volume

293

pub_type

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