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J Caring Sci. 2013;2(2): 105-113.
doi: 10.5681/jcs.2013.013
PMID: 25276716
PMCID: PMC4161092
  Abstract View: 989
  PDF Download: 392

Original Research

Effect of Black Cohosh (Cimicifuga Racemosa) on Vasomotor Symptoms in Postmenopausal Women: A Randomized Clinical Trial

Mahnaz Shahnazi, Jila Nahaee * , Sakineh Mohammad-Alizadeh-Charandabi, Somaye Bayatipayan

Abstract

Introduction:Hot flash is considered to be an early and common symptom of menopause. The present study aimed to determine the impact of black cohosh (Cimicifuga racemosa) on vasomotor symptoms in postmenopausal women. Methods:This was a randomized, double-blind, placebo-controlled clinical trial. This study was performed on 84 postmenopausal women. The participants were randomly divided into control and intervention groups. The participants of the intervention group received one black cohosh tablet per day and the control group received one placebo tablet per day for eight weeks. The severity of vasomotor symptoms and number of hot flashes were recorded during the pre-intervention phase, and 4 and 8 weeks after the intervention. The data were analyzed using repeated measures ANOVA and ANCOVA tests. The level of significance was considered lower than 0.05. Results:There was a significant difference between the two groups in terms of severity and number of hot flashes in weeks 4 and 8 by controlling the intensity of vasomotor symptoms and number of hot flashes before the intervention. Moreover, using repeated measures ANOVA, the intergroup comparison indicated a significant difference in bothgroups (the test and control groups) in terms of severity of vasomotor symptoms and number of hot flashes. Conclusion:According to the findings of the study, it seems that black cohosh can be used as an effective alternative medicine in relieving menopausal vasomotor symptoms.
Keywords: Menopausal vasomotor symptoms, Black cohosh, Herbal therapy
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Submitted: 06 Jan 2013
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