Efficacy and safety of nivolumab in previously treated patients with non-small cell lung cancer: A multicenter retrospective cohort study

Introduction Nivolumab has been shown to be effective and safe in previously treated patients with advanced non-small cell lung cancer (NSCLC). However, little is known regarding its performance in real-world (i.e., non-trial) settings. Furthermore, nivolumab efficacy is unknown in patients who are ineligible for clinical trials or who are categorized into small subgroups in such trials. Methods We conducted a 15-center, observational,...