ET refers to LHRH plus either NSAI or tamoxifen.1
KISQALI is not recommended to be used in combination with tamoxifen.2
1L, first-line; CI, confidence interval; ET, endocrine therapy; HR, hazard ratio; LHRH, luteinising hormone-releasing hormone; NSAI, non-steroidal aromatase inhibitor; OS, overall survival.
References
1. Im S-A, et al. N Engl J Med 2019;381:307–316.
2. KISQALI® (ribociclib) Summary of Product Characteristics.