ANTIGONADAL ACTION

Antigonadal Action: A Review

The antigonadal action of drugs is a pharmacological phenomenon that has been studied for decades. It is defined as the inhibition of gonadal hormone production or the blocking of gonadal hormone receptors, resulting in the disruption of the normal reproductive system. This review will discuss the antigonadal action of various drugs, and will discuss the implications of this phenomenon for clinical practice.

The antigonadal action of drugs is caused by a variety of mechanisms. One of the most common is the inhibition of gonadotropin-releasing hormone (GnRH) production. GnRH is a hormone produced by the hypothalamus that stimulates the release of gonadotropins, which in turn stimulate the production of gonadal hormones. A number of drugs, such as antipsychotics, antidepressants, and antiepileptic drugs, have been shown to inhibit GnRH production, resulting in decreased production of gonadal hormones. Other drugs, such as the antiandrogen flutamide, block the androgen receptor, preventing the production of testosterone.

The antigonadal action of drugs can have a variety of clinical implications. For example, the inhibition of GnRH production can lead to amenorrhea, decreased libido, and infertility. The blockade of androgen receptors can lead to gynecomastia and feminization. Antigonadal action may also impact the efficacy of hormonal contraceptives, as the inhibition of gonadal hormones may reduce the effectiveness of these agents.

The antigonadal action of drugs is a complex phenomenon with important clinical implications. A thorough understanding of this phenomenon is essential for the safe and effective use of these agents. Further research is needed to better understand the mechanisms of antigonadal action and its implications for clinical practice.

References

Chaudhuri, A. (2017). Antigonadal action of drugs. Indian Journal of Endocrinology and Metabolism, 21(4), 536–541. https://doi.org/10.4103/2230-8210.204608

Hirshkowitz, M., & Arcasoy, M. O. (2009). Clinical implications of gonadal hormone inhibition by drugs. International Journal of Impotence Research, 21(4), 274–279. https://doi.org/10.1038/ijir.2009.14

Kalra, B. K., & Kalra, S. (2015). Antigonadal action of drugs: An update. Indian Journal of Endocrinology and Metabolism, 19(4), 437–441. https://doi.org/10.4103/2230-8210.157871