Merck & Co. Inc.'s PD-1 inhibitor Keytruda's(pembrolizumab) position in first-line non-small cell lung cancer (NSCLC) is now even stronger with the KEYNOTE-042 study showing the drug works well as monotherapy across levels of PD-L1 expression.
NSCLC is expected to account for close to half of the total immuno-oncology (IO) market and Keytruda has been consistently performing, having secured the first and only monotherapy approval...