Postmenopausal Women with DCIS Post-Mastectomy: A Potential Role for Aromatase Inhibitors.

07:42 EDT 2nd September 2014 | BioPortfolio

Summary of "Postmenopausal Women with DCIS Post-Mastectomy: A Potential Role for Aromatase Inhibitors."

  For postmenopausal women with ductal carcinoma in situ (DCIS) where optimal local control or patient preference results in mastectomy, despite substantial risk of contralateral invasive breast cancer, tamoxifen is uncommonly prescribed based on unfavorable risk-benefit consideration. In the National Cancer Institute of Canada Clinical Trial Group (NCIC CTG) MAP.3 primary prevention trial, in postmenopausal women exemestane reduced invasive breast cancer incidence by 65% without increasing life-threatening side effects. In adjuvant breast cancer trials, the aromatase inhibitor exemestane as well as anastrozole and letrozole have all reduced new contralateral breast cancer incidence. Thus, aromatase inhibitors, and perhaps particularly exemestane, provide an option to address the risk of contralateral breast cancer in postmenopausal women with DCIS managed with mastectomy.

Affiliation

Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, California University of New England, College of Osteopathic Medicine and Shared Decision Making Resources Georgetown, Maine, USA.

Journal Details

This article was published in the following journal.

Name: The breast journal
ISSN: 1524-4741
Pages:

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