Abstract PS12-25: Patterns of treatment and outcomes in real world patients with advanced estrogen receptor positive breast cancer receiving palbociclib and endocrine therapy

Background: Advancement in the treatment of metastatic estrogen receptor positive (ER+) breast cancer has led to the introduction of CDK4/6 inhibitors such as Palbociclib, which are associated with reversal of endocrine resistance and delayed requirement for chemotherapy. Clinical trials to date have demonstrated improved survival outcomes for patients on these agents. The objective of this study was to evaluate their role in a real-world...