Pre-surgery Endocrine Therapy Better Than Chemo for ER-Postive Breast Cancer, Study Says

Pre-surgery Endocrine Therapy Better Than Chemo for ER-Postive Breast Cancer, Study Says
Prior to surgery, breast cancer patients are often treated with neoadjuvant chemotherapy to reduce their tumors. A new study suggests that patients with localized, estrogen receptor (ER)-positive breast cancer should be given neoadjuvant endocrine therapy instead, as it provides similar benefits but considerably fewer side effects. The study, "Neoadjuvant Endocrine Therapy for Estrogen Receptor–Positive Breast Cancer: A Systematic Review and Meta-analysis," published in The JAMA Network, was conducted by researchers at the Massachusetts General Hospital (MGH) Cancer Center. "Estrogen-receptor-positive tumors are generally highly receptive to endocrine therapy with drugs such as tamoxifen and aromatase inhibitors. But while endocrine therapy is the most important component of adjuvant or postsurgical therapy, use of neoadjuvant endocrine therapy has been low in the U.S." and chemotherapy more common, Aditya Bardia, MD, MPH, of the MGH Cancer Center, an assistant professor of Medicine at Harvard Medical School and the study's senior author, said in a press release. Although endocrine therapy is approved as neoadjuvant therapy for ER-positive breast cancer, studies assessing its efficacy are generally small, offering
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