Would you provide abemaciclib to a premenopausal women with cT2 cN1 ER+ breast cancer and Ki67 of 80% who achieves pCR following neoadjuvant AC-T?  

What would you offer a premenopausal woman with clinical T2N1 ER positive breast cancer for adjuvant therapy after she achieves a pathologic complete response to neoadjuvant AC-T? She meets the criteria for high risk disease per MonarchE given positive node + Ki67 of 80%.