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Clinical Trial Summary

Black Cohosh extract is a form of phytoestrogen (estrogen of plant origin) that is effective in controlling bothersome hot flushes, while avoiding the dangers of using hormones. Recent case reports pointed to potential toxicity of black cohosh on the liver. The investigators are trying to verify or refute such allegations.


Clinical Trial Description

The aim of this prospective longitudinal clinical trial is to evaluate changes in total hepatic blood flow and liver functions among postmenopausal women using black cohosh (cimicifuga racemosa) extract for twelve consecutive months for relief of vasomotor symptoms.

Prior to using a daily dose of 40 mg of a dry extract preparation of cimicifuga racemosa (Klimadynon®) and twelve months after, total hepatic blood flow will be assessed by color Doppler ultrasound. Moreover, prothrombin time & concentration, serum albumin, bilirubin, gamma-glutamyl transferase (GGT), alkaline phosphatase (ALP), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) will also be measured. ;


Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00794690
Study type Interventional
Source Assiut University
Contact
Status Completed
Phase N/A
Start date January 2008
Completion date January 2009

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