Efficacy and safety of PD-1/PD-L1 inhibitors versus chemotherapy or cetuximab in the treatment of platinum-refractory recurrent or metastatic head and neck squamous cell carcinoma: a meta-analysis
Introduction This meta-analysis was designed to compare the efficacy and safety of PD-1/PD-L1 inhibitors versus chemotherapy or cetuximab in the treatment of platinum-refractory recurrent/metastatic head and neck squamous cell carcinoma (R/M HNSCC). Materials and Methods Four databases (PubMed, Embase, Web of Science,...