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Related Experiment Videos

Clobazam increases pulsatile luteinizing hormone secretion in normal men.

G Thomas1, J C Thalabard, M Duet

  • 1Unité de Pharmacologie Clinique, Hôpital Fernand Widal, Paris, France.

Acta Endocrinologica
|April 1, 1989
PubMed
Summary

Clobazam, a benzodiazepine, significantly increased luteinizing hormone (LH) pulse frequency in healthy men. This suggests clobazam influences reproductive hormone regulation at the hypothalamic level.

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Area of Science:

  • Neuroendocrinology
  • Pharmacology

Background:

  • Luteinizing hormone (LH) secretion is pulsatile and regulated by the hypothalamic-pituitary-gonadal axis.
  • Benzodiazepines, like clobazam, are known to affect the central nervous system, but their impact on reproductive hormones requires further investigation.

Purpose of the Study:

  • To investigate the effects of clobazam on the pulsatile secretion of LH in healthy adult males.

Main Methods:

  • A randomized, cross-over study design was employed.
  • Six healthy male volunteers received either 40 mg of clobazam or a placebo orally.
  • LH pulsatile secretion was monitored over 8-hour periods.

Main Results:

  • Clobazam administration significantly increased LH pulse frequency compared to placebo (mean 5 pulses/8 h vs. 3.8 pulses/8 h, P < 0.05).

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  • No significant changes were observed in mean LH concentrations or peak amplitudes.

    • Conclusions:

    • Clobazam enhances LH secretion by increasing the frequency of episodic gonadotropin-releasing hormone (GnRH) release.
    • These findings suggest a modulatory role of clobazam on hypothalamic regulation of reproductive hormones.