The theory that LAG-3 inhibitors could help improve survival for colorectal cancer patients has suffered another setback with the failure of a late-stage trial evaluating Merck & Co., Inc.'s favezelimab in combination with the US giant's PD-1 inhibitor Keytruda.
Merck has announced that the Phase III KEYFORM-007 trial evaluating the fixed-dose combination of the anti-LAG3 antibody favezelimab and Keytruda...