Risa B. Burns, MD, MPH; Mara A. Schonberg, MD, MPH; Nadine M. Tung, MD; Howard Libman, MD
Acknowledgment: The authors thank the patient for sharing her story.
Grant Support: Beyond the Guidelines receives no external support.
Disclosures: Dr. Libman reports money paid to him as a consultant for Gilead Sciences, as an expert witness in legal cases, for lectures including service on speakers bureaus, for development of educational presentations for International Antiviral Society–USA and for royalties from UpToDate; he reports money paid to his institution for grants/grants pending for HIV training. Authors not named here have disclosed no conflicts of interest. Disclosures can also be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=M16-0940.
Requests for Single Reprints: Risa B. Burns, MD, Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, E/Yamins 102, 330 Brookline Avenue, Boston, MA 02215; e-mail, email@example.com.
Current Author Addresses: Drs. Burns, Schonberg, Tung, and Libman: Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02215.
Burns RB, Schonberg MA, Tung NM, Libman H. Should We Offer Medication to Reduce Breast Cancer Risk?: Grand Rounds Discussion From Beth Israel Deaconess Medical Center. Ann Intern Med. 2016;165:194-204. doi: 10.7326/M16-0940
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Published: Ann Intern Med. 2016;165(3):194-204.
In November 2013, the U.S. Preventive Services Task Force issued a guideline on medications for risk reduction of primary breast cancer in women. Although mammography can detect early cases, it cannot prevent development of breast cancer. Tamoxifen and raloxifene are selective estrogen receptor modulators that have been shown to reduce the risk for estrogen receptor–positive breast cancer and are approved by the U.S. Food and Drug Administration (FDA) for this indication. However, neither medication reduces the risk for estrogen receptor–negative breast cancer or all-cause mortality. The Task Force concluded that postmenopausal women with an estimated 5-year risk for breast cancer of 3% or greater will probably have more net benefit than harm and recommends that clinicians engage in shared, informed decision making about these medications. The American Society of Clinical Oncology issued a practice guideline on use of pharmacologic interventions for
breast cancer in 2013. It recommends that women aged 35 years or older at increased risk, defined as a 5-year absolute risk for breast cancer of 1.66% or greater, discuss breast cancer prevention medications with their primary care practitioner. The Society includes the aromatase inhibitor exemestane in addition to tamoxifen and raloxifene as a breast cancer prevention medication, although exemestane is not FDA approved for this indication. Here, an oncologist and an internist discuss how they would balance these recommendations and what they would suggest for an individual patient.
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Breast Cancer, Cancer Screening/Prevention, Hematology/Oncology, Prevention/Screening.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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