Neuro endocrinology letters · 2004
The naloxone test in Klinefelter syndrome.
Клиническое исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Wielgos Miroslaw, Bablok Leszek, Fracki Stanislaw, Czaplicki Maciej, Marianowski Longin
Аннотация
UNLABELLED: AIM TO THE STUDY: The investigation of the influence of anti-opioid drug on hypophyseal and gonadal hormones secretion in case of Klinefelter syndrome.
MATERIAL AND METHODS: The naloxone test (0,4 mg iv) was performed in 14 patients with Klinefelter syndrome aged from 19 to 32 and in 12 age matched control subjects with azoospermia and normal spermatogenesis in testicular histology. The plasma levels of FSH, LH, prolactin, testosterone and estradiol were established before and after 30, 60, 60 and 120 minutes respectively, following the drug administration.
RESULTS: Basal FSH, prolactin and estradiol levels were significantly higher whereas basal testosterone was significantly lower in patients with Klinefelter syndrome than in the control group. After the naloxone administration the mean plasma prolactin level decreased significantly (p=0.01) in Klinefelter subjects. The respective diminution in control group was not significant. The levels of FSH and LH as well as testosterone and estradiol did not change during the naloxone test in both Klinefelter and control subjects.
CONCLUSIONS: The naloxone administration in Klinefelter syndrome caused the decrease in plasma prolactin levels but did not affect the plasma level of another hypophyseal and gonadal hormones. The opioid controlled gonadotropin secretion is altered in case of Klinefelter syndrome.
MATERIAL AND METHODS: The naloxone test (0,4 mg iv) was performed in 14 patients with Klinefelter syndrome aged from 19 to 32 and in 12 age matched control subjects with azoospermia and normal spermatogenesis in testicular histology. The plasma levels of FSH, LH, prolactin, testosterone and estradiol were established before and after 30, 60, 60 and 120 minutes respectively, following the drug administration.
RESULTS: Basal FSH, prolactin and estradiol levels were significantly higher whereas basal testosterone was significantly lower in patients with Klinefelter syndrome than in the control group. After the naloxone administration the mean plasma prolactin level decreased significantly (p=0.01) in Klinefelter subjects. The respective diminution in control group was not significant. The levels of FSH and LH as well as testosterone and estradiol did not change during the naloxone test in both Klinefelter and control subjects.
CONCLUSIONS: The naloxone administration in Klinefelter syndrome caused the decrease in plasma prolactin levels but did not affect the plasma level of another hypophyseal and gonadal hormones. The opioid controlled gonadotropin secretion is altered in case of Klinefelter syndrome.