Comparison of Clinical Efficacy Between Letrozole + Ribociclib and Fulvestrant + Letrozole + Ribociclib in Hormone Receptor Positive, HER2 Negative Metastatic Breast Cancer

Recruiting

Phase 2 — Testing in a larger group (up to a few hundred people) to further evaluate safety and begin to assess effectiveness.

Trial locations(2 sites)

South Korea

Korea university Guro hospital, Seoul

St Mary Hospital, Seoul