An Observational Cohort Study of Treatment Patterns and Outcomes in Patients with Her2 Positive (Her2+) Metastatic Breast Cancer
Location(s): United States
This multi-center, prospective observational study will evaluate the treatment patterns, and the safety in patients with HER2-positive (HER2+) metastatic breast cancer (MBC). Eligible patients will have an initial metastatic breast cancer diagnosis that has not been previously treated with systemic therapy; patients may be enrolled up to 6 months after the diagnosis. Data will be collected for up to 8 years.