Abstract
A variety of systemic chemotherapy regimens have been used for recurrent/metastatic head and neck squamous cell carcinoma (R/M HNSCC). However, most guidelines have been derived from a single clinical trial, and no studies have comprehensively compared their efficacy and safety. We systematically searched PubMed, Embase, Web of Science, and Cochrane Library databases. Eligible studies reported overall survival (OS), progression-free survival (PFS), objective response rate (ORR), and ≥ 3 adverse events rate (AEs). Eighteen eligible trials involving 4930 patients and 15 treatment regimens were included. The results suggest that patients with R/M HNSCC exhibit better tumor response with the cetuximab/platinum/5-FU, pembrolizumab/platinum/5-FU or pembrolizumab alone, accompanied by a low AE rate. Nivolumab also showed better efficacy than other single agents. Immunotherapy has achieved better efficacy.
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