Prognostic characteristics in hormone receptor-positive advanced breast cancer and characterization of abemaciclib efficacy

Method for identification of prognostic factors. Identification of prognostic factors that are common for MONARCH 2 and MONARCH 3 a and that are unique for MONARCH 2 or MONARCH 3 b. PFS progression-free survival, ORR objective response rate, STEPP subpopulation treatment effect pattern plo