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  • Title: Serum sex hormones are altered in patients with chronic temporal lobe epilepsy receiving anticonvulsant medication.
    Author: Stoffel-Wagner B, Bauer J, Flügel D, Brennemann W, Klingmüller D, Elger CE.
    Journal: Epilepsia; 1998 Nov; 39(11):1164-73. PubMed ID: 9821980.
    Abstract:
    PURPOSE: To evaluate the changes in serum sex hormones of gonadal or adrenal origin, the gonadotropic hormones, and sex hormone-binding globulin (SHBG) in men and women with chronic temporal lobe epilepsy (TLE), who are undergoing monotherapy with carbamazepine or receiving carbamazepine in combination with other anticonvulsant drugs. METHODS: Gonadal hormones (estradiol, testosterone, free testosterone, and inhibin B), adrenal hormones [cortisol, dehydroepiandrosterone sulfate (DHEAS), androstenedione, and 17alpha-hydroxyprogesterone], and gonadotropic hormones (luteinizing hormone [LH] and follicle-stimulating hormone [FSH]) were measured in 22 women and 26 men with TLE. The study also measured prolactin; human growth hormone and its major mediator, insulin-like growth factor-I; thyroid hormones (free thyroxine and free triiodothyronine); thyroid-stimulating hormone (TSH); and SHBG. The results were compared with those obtained from 60 healthy women and 106 healthy men. RESULTS: In the female patients, TSH, DHEAS, follicular-phase LH, and luteal-phase estradiol were significantly lower than in the control groups, with prolactin and SHBG significantly higher. In the male patients, DHEAS, 17alpha-hydroxyprogesterone, free testosterone, inhibin B, and the testosterone/LH ratio were significantly lower than in the control group, with LH, FSH, and SHBG significantly higher. Increased FSH in 31% of the men indicates an impairment of spermatogenesis; lowered inhibin B in 12% indicates an impaired Sertoli's cell function; and the decreased testosterone/LH ratio in 50% indicates an impaired Leydig's cell function. CONCLUSIONS: The case patients had endocrine disorders, mainly concerning the gonadotropic and gonadal functions in both sexes; the adrenal function, with lowered DHEAS levels in both sexes; and lowered 17alpha-hydroxyprogesterone levels in the men. SHBG levels were increased in patients taking anticonvulsant medications.
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