Study study type PathologyT1T0Patientssample sizesROB Results deaths (OS) Eprogression or deaths (PFS) ERFS/DFS E

la/mBC - HR-positive - 2nd line (L2) breast cancer - HR positive la/mBC - HR positive la/mBC - HR-positive - 2nd line (L2)

versus fulvestrant
abemaciclib plus fulvestrant
MONARCH 2, 2020
  NCT02107703
RCTla/mBC - HR-positive - 2nd line (L2)abemaciclib plus fulvestrantplacebo plus fulvestrantWomen with HR-positive and HER2-negative advanced breast (ABC) cancer who progressed during neoadjuvant or adjuvantendocrine therapy (ET), within 12months after adjuvant ET, or while receiving first line ET for ABC446 / 223low
conclusif demonstrated-24% demonstrated-45%