Abstract Title:

Folic acid supplementation may cure hot flushes in postmenopausal women: a prospective cohort study.

Abstract Source:

Gynecol Endocrinol. 2010 Sep ;26(9):658-62. PMID: 20230331

Abstract Author(s):

Sherief S Gaweesh, Mohamed M M Abdel-Gawad, Ahmed M Nagaty, Ayman A A Ewies

Article Affiliation:

Department of Obstetrics and Gynaecology, Shatby Maternity University Hospital, University of Alexandria, Egypt.


BACKGROUND: Neurotransmitter norepinephrine seems to be involved in the pathophysiology of hot flushes in postmenopausal women, and folic acid was found to interact with its receptors.

OBJECTIVES: To examine the effect of folic acid supplementation on the occurrence of hot flushes and the plasma level of 3-methoxy 4-hydroxy phenyl glycol (MHPG, the main metabolite of brain norepinephrine).

METHOD: Forty-six postmenopausal women were allocated (by alternation) into 2 groups (n = 23 each); Group 1 received folic acid 5mg tablets daily for 4 weeks and group 2 received placebo tablets. Four women in group 2 discontinued the study.

RESULTS: The number of women who reported improvement in hot flushes was significantly higher in the treatment group. On comparing the mean plasma levels of MHPG before and after treatment, a significant lowering was found in the treatment group (mean % change = -24.1 +/- 17.9, p<0.001) when compared with the placebo-control group (mean % change = -5.59 +/- 16.4, p = 0.10). In the treatment group, there was a significant negative correlation between improvement in hot flushes and the plasma level of MHPG (r = -0.453, p = 0.03).

CONCLUSION: Folic acid supplementation may cause subjective improvement of hot flushes by lowering the increased central noradrenergic activity.

Study Type : Human Study
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