Letrozole, Abemaciclib, and Metformin Triplet Therapy Shows Robust Activity in ER-Positive Endometrioid Endometrial Cancer
A phase 2 trial demonstrates that combining letrozole, abemaciclib, and metformin achieves a 32% response rate and 60% clinical benefit rate in ER+ endometrioid endometrial cancer, with notable efficacy in CTNNB1-mutated tumors and an interesting pharmacokinetic interaction increasing metformin exposure.










