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The effect of an aromatase inhibitor on the level of estrogen in the blood of postmenopausal women

https://doi.org/10.14341/probl11570

Abstract

Effect of Femar, an imidasole inhibitor of aromatase, in a daily dose of 0.25 mg orally for 2 days, on blood estradiol is assessed in 16 menopausal women. The mean decrease of estradiol was 49.8%; this decrease was more pronounced in probands with Ketle ’s index of >30 or more than 40 kg of fat in the body in comparison with women with lower values. Gonadotropin (FSH and LH) concentrations in the blood were not much changed by femar. Possible mechanisms of endocrine changes and factors determining the sensitivity to aromatase inhibitors in vivo during the menopause are discussed.

About the Authors

L. M. Bershtein

Research Institute of Oncology named after Acad. N. N. Petrova


Russian Federation


M. L. Gershanovich

Research Institute of Oncology named after Acad. N. N. Petrova


Russian Federation


V. B. Gamayunova

Research Institute of Oncology named after Acad. N. N. Petrova


Russian Federation


E. V. Tsyrlina

Research Institute of Oncology named after Acad. N. N. Petrova


Russian Federation


G. P. Loskutova

Research Institute of Oncology named after Acad. N. N. Petrova


Russian Federation


N. N. Blinov

Research Institute of Oncology named after Acad. N. N. Petrova


Russian Federation


S. Ya. Maksimov

Research Institute of Oncology named after Acad. N. N. Petrova


Russian Federation


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Review

For citations:


Bershtein L.M., Gershanovich M.L., Gamayunova V.B., Tsyrlina E.V., Loskutova G.P., Blinov N.N., Maksimov S.Ya. The effect of an aromatase inhibitor on the level of estrogen in the blood of postmenopausal women. Problems of Endocrinology. 1998;44(4):29-31. (In Russ.) https://doi.org/10.14341/probl11570

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ISSN 0375-9660 (Print)
ISSN 2308-1430 (Online)