The efficacy and safety comparison of PD-1/PD-L1 antibody, chemotherapy and supportive treatment for pretreated advanced esophagogastric cancer: a network meta-analysis.

Annals of Palliative Medicine
Chuan LiuPengyuan Zheng

Abstract

Immunotherapy is important for the treatment of esophagogastric cancer. The purpose of this study is to compare the efficacy and safety of PD-(L)1 antibody, chemotherapy, and supportive treatment in the management of pretreated advanced esophagogastric cancer. The randomized controlled trials were identified by searching electronic databases including PubMed, Cochrane Library and Embase database. The network meta-analysis (NMA) was carried out using software R 3.3.2. Main outcomes including overall survival (OS), progression-free survival (PFS), all grades and serious treatment-related adverse events (TRAEs) were extracted and analyzed. The ranking results for all outcomes were performed to identify the best treatments. Seven high-quality RCTs involving 1,891 patients were taken into analysis. Compared with supportive treatment, PD-(L)1 antibody and chemotherapy both had a significantly longer OS time. Chemotherapy could obvious improve PFS than supportive treatment, but it had more all grades and serious TRAEs than PD-(L)1 antibody and supportive treatment. No significant difference was found in other comparisons. The probabilities of rank plot showed that PD-(L)1 antibody was the best in the outcome of OS. Chemotherapy ranked...Continue Reading

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