Which regimens are used in the treatment of postmenopausal women with estrogen receptor (ER) or progesterone receptor (PR)–positive breast cancer?

Updated: Apr 23, 2020
  • Author: Joseph A Sparano, MD; Chief Editor: John V Kiluk, MD, FACS  more...
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Regimens are as follows:

  • Tamoxifen 20 mg PO daily for 5 y or

  • AIs for 5y, either alone or sequentially after 2-5 y of tamoxifen: anastrozole 1 mg PO daily or letrozole 2.5 mg PO daily or exemestane 25 mg PO daily

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