Immune checkpoint association
durvalumab plus tremelimumab
mHNSCC - 2nd line (L2)
mHNSCC - L2 - all population 4   
mHNSCC - L2 - PDL1 negative 2    
mHNSCC - L2 - PDL1 positive 1
Comparator:  vs Standard of Care (SoC);   vs durvalumab alone;   vs tremelimumab; 
Risk of bias:  low;   some concerns;   high;  NA;