Recent research results suggest that the risk of breast cancercan be reduced. In this review I will focus on chemoprevention,emphasizing evidence from randomized clinical trials, and inaddition summarize the evidence regarding preventive strategiesinvolving surgery and lifestyle changes (Table 1).
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Table 1. Potential Strategies for Reducing the Risk of Breast Cancer.
Chemoprevention
Tamoxifen and Risk Reduction
The risk of breast cancer is related to levels of endogenous1,2and exogenous3,4,5 hormones. Tamoxifen and raloxifene, whichare selective estrogen-receptor modulators, can be used to testthe hypothesis that the risk of breast cancer can be reducedby estrogen antagonists.6
From the HarborUCLA Research and Education Institute, Torrance, Calif.
Address reprint requests to Dr. Chlebowski at HarborUCLA Medical Center, 1124 W. Carson St., Bldg. J-3, Torrance, CA 90502, or at rchlebow@whi.org.
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