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At this year's meeting of the American Society of Clinical Oncology (ASCO 2019), held May 31 to June 4 in Chicago, investigators discussed the latest findings in cancer research. The editors of NEJM Journal Watch Oncology and Hematology were on hand to report highlights of the conference. Here, Editor-in-Chief William J. Gradishar, MD, reviews the key presentations on new breast cancer therapies. All meeting abstracts can be viewed in the (ASCO meeting library).
CDK 4/6 agents have been the main story in hormone-sensitive metastatic breast cancer since randomized clinical trials have consistently shown that progression-free survival (PFS) is enhanced with CDK 4/6 inhibitors plu…