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Aromatase inhibitors affect the ability of estrogens production from androgens by inhibiting the aromatase enzyme activity which is a part of the estrogen pathway. [13] The two categories of AIs are based on their mechanism of action and structure.
Pages in category "Aromatase inhibitors" The following 76 pages are in this category, out of 76 total. This list may not reflect recent changes. ...
Ovarian stimulation with the aromatase inhibitor letrozole has been proposed for ovulation induction in order to treat unexplained female infertility. In a multi-center study funded by the National Institute of Child Health and Development, ovarian stimulation with letrozole resulted in a significantly lower frequency of multiple gestation (i.e., twins or triplets) but also a lower frequency ...
Because of these natural hormone-hormone interdependent biosynthetic pathways and hormone-receptor interactions, all aromatase inhibitors, including anastrozole, letrozole, aminoglutethimide, exemestane, formestane, and testolactone are banned. Selective estrogen receptor modulators, including raloxifene, tamoxifen and toremifene are banned.
[13] [6] The medication was one of the first adrenal steroidogenesis inhibitors as well as the first aromatase inhibitor to be discovered and used clinically, and led to the development of other aromatase inhibitors. [18] [4] [30] [9] Along with testolactone, it is described as a "first-generation" aromatase inhibitor. [7]
Like the aromatase inhibitors formestane and atamestane, exemestane is a steroid that is structurally similar to 4-androstenedione, the natural substrate of aromatase. It is distinguished from the natural substance only by the methylidene group in position 6 and an additional double bond in position 1. [15]