Efficacy and safety of nivolumab in 100 patients with recurrent or metastatic head and neck cancer – a retrospective multicentre study

Background: No large-scale retrospective studies have examined the efficacy and safety of nivolumab.Objective: This retrospective study aimed to investigate the efficacy and safety of nivolumab administered to patients in multiple facilities.Material and methods: The primary endpoint was overall response rate (ORR) and secondary endpoints were progression-free survival (PFS) and overall survival (OS). For safety, adverse event occurrence rates...