NCCN Guidelines Updates: Management of Patients With HER2-Negative Breast Cancer

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William J. Gradishar
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Treatment for metastatic HER2-negative breast cancer is becoming increasingly individualized as more of the tumor landscape is described and drugs are developed to target its pathways. Survival can be prolonged by CDK4/6 inhibitors in patients with hormone receptor–positive tumors and by immunotherapy in those with triple-negative disease. In patients with BRCA1/2 mutations, PARP inhibitors delay disease progression. Antibody–drug conjugates are expected to become critical components of the treatment landscape, and targeted drugs are proving to benefit small subsets of patients.

Disclosures: Dr. Gradishar has disclosed serving as a scientific advisor for AstraZeneca Pharmaceuticals LP, Daiichi-Sankyo Co., Eli Lilly and Company, ImmunoGen, Inc., MacroGenics, Puma Biotechnology, and Seattle Genetics, Inc.; and receiving honoraria from AstraZeneca Pharmaceuticals LP, Biotheranostics, Daiichi-Sankyo Co., ImmunoGen, Inc.

Correspondence: William J. Gradishar, MD, Robert H. Lurie Comprehensive Cancer Center at Northwestern University, 676 North St. Clair Street, Suite 850, Chicago, IL 60611. Email: w-gradishar@northwestern.edu
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