Biomarker Analyses of Response to Cyclin-Dependent Kinase 4/6 Inhibition and Endocrine Therapy in Women with Treatment-Naïve Metastatic Breast Cancer.

Mednet Member

Medical Oncology · Mayo Clinic

Whereas ER 1-9% represents a heterogeneous group of tumors with relatively poor response to endocrine monotherapy, there are few if any data on whether this group of patients should be excluded from the use of CDK 4/6 inhibitors. For example, Finn et al. demonstrated that in the PALOMA-2 study, ER H...