Adrenal steroidogenesis inhibitors

For women with idiopathic hirsutism, PCOS, or late-onset CAH, appropriate treatment decisions depend on each patient's desires and childbearing plans. Women who do not wish to become pregnant should use low-dose OCs. OCs containing less androgenic progestins, such as norgestimate, gestodene (not available in the United States), and desogestrel, seem to be the best choice, but some maintain that all preparations are comparable in efficacy. 24 These agents increase the level of SHBG and therefore decrease ovarian androgen production while decreasing the risk of endometrial hyperplasia often seen in anovulatory women. 25 , 26

Cells of the zona fasciculata and zona reticularis lack aldosterone synthase (CYP11B2) that converts corticosterone to aldosterone, and thus these tissues produce only the weak mineralocorticoid corticosterone. However, both these zones do contain the CYP17A1 missing in zona glomerulosa and thus produce the major glucocorticoid, cortisol. Zona fasciculata and zona reticularis cells also contain CYP17A1, whose 17,20-lyase activity is responsible for producing the androgens, dehydroepiandrosterone (DHEA) and androstenedione. Thus, fasciculata and reticularis cells can make corticosteroids and the adrenal androgens, but not aldosterone.

Adrenal steroidogenesis inhibitors

adrenal steroidogenesis inhibitors

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