Serum androgen levels and testicular structure during pubertal maturation in male subjects with epilepsy

Epilepsia
Kirsi MikkonenL K Vainionpää

Abstract

To evaluate reproductive endocrine function in boys and young men with epilepsy taking an antiepileptic drug in a population-based, controlled study. Seventy patients and 70 controls matched for age and pubertal stage participated in this study. Twenty-eight patients were taking carbamazepine (CBZ); five, lamotrigine (LTG); 12, oxcarbazepine (OXC); and 25, valproate (VPA) as monotherapy for epilepsy. All subjects were examined clinically, and their medical histories were obtained. Serum reproductive hormone and sex hormone-binding globulin concentrations were measured, and testicular ultrasonography was performed. Serum testosterone levels were within the normal range in young male patients with epilepsy. However, the patients taking VPA had high serum androstenedione levels at all pubertal stages. In prepuberty, their serum androstenedione values were already approximately fivefold compared with the values of the controls (8.7 nM; SD, 4.0 vs. 1.8 nM, SD, 1.0; p < 0.0003), and they were elevated in 64% of the VPA-treated patients compared with none of the other patients, p = 0.0006. Serum sex hormone-binding globulin levels were increased, and serum dehydroepiandrosterone sulfate concentrations decreased in the pubertal patient...Continue Reading

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Citations

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