Leuprolide 機轉 Leuprolide is an agonist of gonadotropin releasing hormone (GnRH) receptors. Acting as a potent inhibitor of gonadotropin secretion, leuprolide produces an initial increase in luteinizing hormone (LH) and follicle stimulating hormone (FSH), which leads to a transient increase (5 to 12 days) in testosterone and dihydrotestosterone (in males) and estrone and estradione (in premenopausal females). Continuous leuprolide administration then results in suppression of ovarian and testicular steroidogenesis due to decreased levels of LH and FSH with subsequent decrease in testosterone (m...
Leuprolide 機轉 Leuprolide is an agonist of gonadotropin releasing hormone (GnRH) receptors. Acting as a potent inhibitor of gonadotropin secretion, leuprolide produces an initial increase in luteinizing hormone (LH) and follicle stimulating hormone (FSH), which leads to a transient increase (5 to 12 days) in testosterone and dihydrotestosterone (in males) and estrone and estradione (in premenopausal females). Continuous leuprolide administration then results in suppression of ovarian and testicular steroidogenesisdue to decreased levels of LH and FSH with subsequent decrease in testosterone (male) and estrogen (female) levels. In males, testosterone levels are reduced to below castrate levels. Leuprolide may also have a direct inhibitory effect on the testes, and act by a different mechanism not directly related to reduction in serum testosterone.
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