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Research: CARR and colleagues,
Listed in Issue 140
Abstract
CARR and colleagues, Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, Texas 75390-9032, USA, have looked at the effects of vitamin E supplementation in postmenopausal women.
Background
The aim of this study was to investigate the effect of vitamin E with and without HRT on inflammatory markers in postmenopausal women.
Methodology
In this prospective, observational study, followed by a randomized, prospective, double-blind study, 75 postmenopausal healthy women were studied at baseline and received vitamin E for 4 weeks. They were then randomized from week 4 to week 12 to receive vitamin E in conjunction with oestrogen alone, oestrogen plus progesterone, or placebo. Changes from baseline and between groups effects of vitamin E on seven circulatory inflammatory markers were the main outcome measures.
Results
Vitamin E levels increased to a similar extent in all three groups compared with baseline at weeks 4 and 12. Vitamin E increased serum interleukin-6 levels. Combination HRT significantly increased C-reactive protein levels. However, there were no consistent statistically significant effects on six other inflammatory markers.
Conclusion
Vitamin E and HRT do not play a major role in promoting changes in cardiovascular inflammatory markers.
References
Carr BR, Khan N, Adams-Huet B, Kakarla N, Havelock JC, Gell J. Effect of vitamin E supplementation with and without hormone therapy on circulatory inflammatory markers in postmenopausal women. Fertility & Sterility 85 (3): 667-673, Mar 2006.