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 ...
The FDA approved Keytruda for NSCLC based on several clinical trials. Keytruda was studied in people whose NSCLC had spread to other parts of the body (metastatic) and who had received no prior ...