Patterns of treatment and outcomes of patients with metastatic HER2-low breast cancer treated with CDK4/6 inhibitors and hormone therapy
This study aims to investigate, through a retrospective approach and in a real-world setting, the activity and effectiveness of CDK4/6i as first-line or second-line treatment in a HR+/HER2-low population compared to matched patients with HR+/HER2-0 disease.