Keytruda works by inhibiting the activity of the programmed cell death protein 1 (PD-1), which typically limits the activity of your immune system. Cancer cells often produce PD-1 to prevent your ...
Two months after Roche scored FDA approval for its subcutaneous version of PD-LI inhibitor Tecentriq, Merck has achieved a key milestone in lining up its checkpoint inhibitor Keytruda to follow suit.