Medical Therapies: Aromatase Inhibitors

Serdar E Bulun*, Erkut Attar, Bilgin Gurates, You Hong Chen, Hideki Tokunaga, Diana Monsivais, MaryEllen Pavone

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Scopus citations

Abstract

Approximately half of women with endometriosis achieve pain relief from existing medical or surgical treatments. Medical treatments are usually directed at inhibiting estrogen action or its production from the ovaries and do not address local estrogen biosynthesis by the aromatase enzyme in endometriotic lesions. A single gene encodes aromatase, which is the final enzyme in the estrogen biosynthesis pathway, and its inhibition effectively eliminates estrogen production. Recent pilot studies have shown that treatment with an aromatase inhibitor reduced lesion size and pelvic pain. In premenopausal women, an aromatase inhibitor alone may induce ovarian folliculogenesis and thus is combined with a progestin, an oral contraceptive, or a gonadotropin releasing hormone agonist. The side-effect profile of aromatase inhibitors administered in combination with an oral contraceptive or a progestin is remarkably well tolerated. Aromatase inhibitors represent a new class of medications with significant potential for the treatment of endometriosis.

Original languageEnglish (US)
Title of host publicationEndometriosis
Subtitle of host publicationScience and Practice
PublisherWiley Blackwell
Pages357-365
Number of pages9
ISBN (Print)9781444332131
DOIs
StatePublished - Jan 25 2012

Keywords

  • Anastrozole
  • Aromatase
  • Contraceptive
  • Endometriosis
  • Estrogen
  • GnRH
  • Inhibitor
  • Letrozole
  • Norethindrone
  • Progestin

ASJC Scopus subject areas

  • Medicine(all)

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