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  • Title: A randomized, double-blind, multiple-dose escalation study of a Chinese herbal medicine preparation (Dang Gui Buxue Tang) for moderate to severe menopausal symptoms and quality of life in postmenopausal women.
    Author: Wang CC, Cheng KF, Lo WM, Law C, Li L, Leung PC, Chung TK, Haines CJ.
    Journal: Menopause; 2013 Feb; 20(2):223-31. PubMed ID: 22990757.
    Abstract:
    OBJECTIVE: This study is a phase II clinical trial that aims to investigate the dose-response relationship of a Chinese herbal medicine preparation, Dang Gui Buxue Tang (DBT), with short-term menopausal symptoms and quality of life in local postmenopausal women. METHODS: A randomized, double-blind, multiple-dose escalation trial was performed in 60 postmenopausal women experiencing severe hot flashes and night sweats. The participants were randomized to receive DBT preparations at 1.5, 3.0, or 6.0 g/day for 12 weeks. The primary outcomes were vasomotor symptoms, Greene Climacteric Scale (GCS) score, and Menopause-Specific Quality of Life (MENQOL) score. Secondary outcomes included serum hormones and lipids. RESULTS: There were between-group differences in psychological/psychosocial (P = 0.015, GCS; P = 0.013, MENQOL) and somatic/physical (P = 0.019, GCS; P = 0.037, MENQOL) domains, and improvement was significantly greatest (P < 0.05) in the 6.0 g/day dose group. The frequency and severity of hot flashes and night sweats were significantly reduced in the 3.0 g/day (14.5%-21.2%, P < 0.05, hot flashes; 28.6%-39.6%, P < 0.05, night sweats) and 6.0 g/day (34.9%-37.4.0%, P < 0.01, hot flashes; 10.1%-12.8%, P < 0.01, night sweats) dose groups. The female hormones follicle-stimulating hormone, luteinizing hormone, and 17β-estradiol, as well as the lipids total cholesterol, triglycerides, low-density lipoprotein cholesterol, and high-density lipoprotein cholesterol, were not significantly different within groups and between groups. CONCLUSIONS: DBT preparations at 6.0 g/day significantly improve physical and psychological scores and significantly reduce vasomotor symptoms from baseline. The treatment was well tolerated, with no serious adverse events noted during the 12-week intervention period. The changes do not affect hormones and lipid profiles.
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