deaths (OS)

mHNSCC - L1 - all population metastatic-recurrent HNSCC (mHNSCC) mHNSCC - 1st line (L1) mHNSCC - L1 - all population

versus cetuximab plus platin plus 5FU
pembrolizumab alone vs. cetuximab plus platin plus 5FU 1 1.0better0.35.098 %
pembrolizumab plus 5FU plus platin vs. cetuximab plus platin plus 5FU 1 1.0better0.35.0100 %

mHNSCC - L1 - PDL1 positive metastatic-recurrent HNSCC (mHNSCC) mHNSCC - 1st line (L1) mHNSCC - L1 - PDL1 positive

versus cetuximab plus platin plus 5FU
pembrolizumab alone vs. cetuximab plus platin plus 5FU 2 1.0better0.35.099 %
pembrolizumab plus 5FU plus platin vs. cetuximab plus platin plus 5FU 2 1.0better0.35.0100 %