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Menopause:
doi: 10.1097/GME.0b013e31827cd3dd
Original Articles

A randomized, double-blind, controlled trial of a Chinese herbal formula (Er-Xian decoction) for menopausal symptoms in Hong Kong perimenopausal women

Zhong, Linda L.D. PhD1; Tong, Yao PhD1; Tang, Grace W.K. MD2; Zhang, Zhang Jin PhD1; Choi, Wai Ki RN2; Cheng, Kin Lok BSc3; Sze, Stephen C.W. PhD1; Wai, Kun MSc1; Liu, Qing PhD1; Yu, Ben X.B. PhD1

Supplemental Author Material
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Abstract

Objective

The aim of this study is to investigate the effectiveness and safety of a Chinese herbal formula, Er-Xian decoction (EXD), in the treatment of menopausal symptoms among Hong Kong perimenopausal women.

Methods

A randomized, double-blind, controlled trial was conducted for 12 weeks among 108 Hong Kong perimenopausal women who reported Menopause Rating Scale (MRS) total scores of 28 or higher. Posttreatment follow-up was performed 3 months after the intervention. The primary outcome measure was the frequency and severity of hot flushes. The secondary outcome measures included the MRS, the Menopause-Specific Quality of Life questionnaire, and serum hormone levels.

Results

Among 108 participants, 101 participants finished the study. EXD significantly reduced the mean (SD) frequency of hot flushes from 5.8 (5.0) to 2.2 (3.0) in the treatment group and from 5.0 (3.8) to 2.4 (2.5) in the placebo group (P = 0.04). The mean (SD) hot flush score was also reduced from 19.6 (6.6) to 4.9 (7.8) in the treatment group and from 16.6 (5.4) to 7.0 (6.4) in the placebo group (P = 0.02). The superiority of EXD to placebo was also observed with greater improvement in the total scores for the MRS (P = 0.03) and the Menopause-Specific Quality of Life questionnaire (P < 0.01). There were no differences in serum hormone levels between the EXD group and the placebo group. There were no serious adverse events, and the safety indices of whole blood counts, renal function, and liver function were within the normal range before and after treatment.

Conclusions

The Chinese herbal formula EXD is superior to placebo in reducing the frequency and severity of hot flushes and in improving menopausal symptoms in Hong Kong perimenopausal women. It is well tolerated, with no serious adverse events noted during the study period.

© 2013 by The North American Menopause Society

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