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Black Cohosh Extract for the Management of Moderate to Severe Menopausal Symptoms in Thai Women

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified December 2011 by Mahidol University.
Recruitment status was:  Recruiting
Information provided by (Responsible Party):
Mahidol University Identifier:
First received: December 5, 2011
Last updated: December 24, 2011
Last verified: December 2011
Cimicifuga racemosa (black cohosh) rhizome and root extract have been used to treat menopausal symptoms. To date, there are still scarce information about its efficacy in Thai women with menopausal symptoms. The purpose of this study will assess the efficacy of black cohosh extract in management of menopausal symptoms in Thai women.

Condition Intervention Phase
Hot Flashes
Drug: cimicifuga racemosa
Drug: placebo
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Cimicifuga Racemosa Rhizome and Root Extract for the Management of Moderate to Severe Menopausal Symptoms in Thai Women: a Randomized Controlled Trial

Resource links provided by NLM:

Further study details as provided by Mahidol University:

Primary Outcome Measures:
  • Mean differences of Kupperman index [ Time Frame: 12 weeks ]

Secondary Outcome Measures:
  • Frequencies of menopausal symptoms [ Time Frame: 12 weeks ]
  • Compliance [ Time Frame: 12 weeks ]
  • adverse events [ Time Frame: 12 weeks ]
  • Mean differences of liver function test [ Time Frame: 12 weeks ]
  • quality of life [ Time Frame: 12 weeks ]
    Thai MENQOL measurement

  • Overall satisfaction [ Time Frame: 12 weeks ]

Estimated Enrollment: 54
Study Start Date: December 2011
Estimated Study Completion Date: October 2012
Estimated Primary Completion Date: October 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Cimicifuga racemosa
patients receive cimicifuga racemosa rhizome and root extract 40 mg/day (equivalent to triterpene glycosides 12.3 mg)
Drug: cimicifuga racemosa
Cimicifuga racemosa (black cohosh) rhizome and root extract 40 mg once daily for 12 weeks (equivalent to triterpene glycosides 12.3 mg)
Placebo Comparator: Placebo
Placebo containing no active ingredient which match the drug in bottle, shape, color and smell
Drug: placebo
matching placebo without active ingredient 1 tab daily for 12 weeks


Ages Eligible for Study:   40 Years and older   (Adult, Senior)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Thai women, aged ≥ 40 years
  • Peri- or postmenopause
  • Moderate to severe menopausal symptoms from Kupperman menopausal index score at least 20

Exclusion Criteria:

  • Using any drugs or hormonal treatment within 1 month before enrollment
  • BMI ≥ 30 kg/m2
  • Allergic to drugs or any ingredient
  • Liver disease or AST ≥ 37 U/L or ALT ≥ 40 U/L or total bilirubin ≥ 1 mg/dL or direct bilirubin ≥ 0.3 mg/dL
  • Psychiatric disease
  • Alcohol consumption or any elicit drug use
  • Vegetarian (may consume more phytoestrogen)
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01487694

Gynecologic Endocrinology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University
Bangkoknoi, Bangkok, Thailand, 10700
Sponsors and Collaborators
Mahidol University
Principal Investigator: Patsama Vichinsartvichai, MD Gynecologic Endocrinology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University
  More Information

Responsible Party: Mahidol University Identifier: NCT01487694     History of Changes
Other Study ID Numbers: Si573/2011 
Study First Received: December 5, 2011
Last Updated: December 24, 2011

Keywords provided by Mahidol University:
back cohosh
cimicifuga racemosa
menopausal symptoms
hot flashes
Kupperman index

Additional relevant MeSH terms:
Hot Flashes
Signs and Symptoms processed this record on February 17, 2017