Medical Dictionary

aromatase inhibitor

noun

medical Definition of aromatase inhibitor

:any of a class of drugs (as anastrozole or exemestane) that suppress the synthesis of estrogen in the body by inhibiting the action of aromatase and are used to treat breast cancer in postmenopausal women
  • Aromatase inhibitors, like tamoxifen, are directed at the hormone estrogen, which is known to stimulate tumor growth in most breast cancer patients.
  • —Laurie TarkanThe New York Times9 Apr. 2002
  • Chemoprevention with aromatase inhibitors might be particularly suitable for women with relatively high plasma estrogen levels.
  • —Ian E. Smith and Mitch DowsettThe New England Journal of Medicine12 June 2003

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