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Fertil Steril. 2006 Sep;86(3):651-7. Epub 2006 Aug 8.

Normalization of hyperinsulinemia by chronic opioid receptor blockade in hyperandrogenemic women.

Author information

1
Department of Gynecologic Endocrinology and Reproductive Medicine, Medical University of Innsbruck, Innsbruck, Austria. dijanah@gmx.de

Abstract

OBJECTIVE:

Evaluation of the effects of naltrexone on hyperinsulinemia and hyperandrogenemia in hyperandrogenemic, hyperinsulinemic women.

DESIGN:

Controlled clinical study.

SETTING:

Department of Gynecologic Endocrinology and Reproductive Medicine, Center of Obstetrics and Gynecology, Medical University of Innsbruck, Austria.

PATIENT(S):

Thirty-nine hyperandrogenemic, hyperinsulinemic women were studied.

INTERVENTION(S):

Women were treated with naltrexone (50 mg/d) for >or=3 weeks.

MAIN OUTCOME MEASURE(S):

Body mass index (BMI), gonadotropin (LH, FSH) and androgen (T, free T, DHEAS) levels, and plasma levels of glucose, insulin, and C-peptide, during a standard 75-g oral glucose tolerance test (OGTT), were determined before and during chronic opiate receptor blockade.

RESULT(S):

The BMI did not change during therapy. When OGTT was repeated after treatment with naltrexone, glucose levels were not different from those before treatment. Insulin response, however, had dramatically declined. We also observed a significant decrease in the levels of serum androgens.

CONCLUSION(S):

Hyperinsulinemia associated with hyperandrogenemia can be improved or completely abolished by chronic opiate receptor blockade. This observation suggests that endogenous opiates play a critical role in the process leading to hyperinsulinemia in hyperandrogenemia.

[Indexed for MEDLINE]

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