The Association of <i>ERBB2</i>-Low Expression With the Efficacy of Cyclin-Dependent Kinase 4/6 Inhibitor in Hormone Receptor–Positive, <i>ERBB2</i>-Negative Metastatic Breast Cancer

Kelvin K H Bao, Leone Sutanto, Shirley S. W. Tse, Ka Man Cheung, Jeffrey Chan

JAMA Network Open · 2021 · 53 citations · 3 references

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Abstract

This cohort study investigates the association between low levels of ERBB2 expression and progression-free survival among patients with HR+/ERBB2− metastatic breast cancer treated with CDK4/6 inhibitors.

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