pembrolizumab based treatmentpembrolizumab alonepembrolizumab based treatment
pembrolizumab alone pembrolizumab (10mg/kg) pembrolizumab (2mg/kg) pembrolizumab and pemetrexed plus platin pembrolizumab plus SoC
Comparator:  vs Standard of Care (SoC);   vs docetaxel;   vs pemetrexed plus platin;   vs placebo plus SoC; 
Risk of bias:  low;   some concerns;   high;  NA;