Neoadjuvant immunotherapy improves outcomes for resectable gastroesophageal junction cancer: A systematic review and meta‐analysis

Autor: Danzhu Wu, Liyuan Yang, Yu Yan, Zhengchen Jiang, Yinglong Liu, Peng Dong, Yajuan Lv, Siqin Zhou, Yiyang Qiu, Xinshuang Yu
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Cancer Medicine, Vol 13, Iss 9, Pp n/a-n/a (2024)
Druh dokumentu: article
ISSN: 2045-7634
DOI: 10.1002/cam4.7176
Popis: Abstract Background In recent years, neoadjuvant immunotherapy (NAIT) has developed rapidly in patients with gastroesophageal junction cancer (GEJC). The suggested neoadjuvant treatment regimens for patients with GEJC may vary in light of the efficacy and safety results. Methods A search of the Cochrane Library, PubMed, Embase, and Web of Science was completed to locate studies examining the safety and effectiveness of NAIT for resectable GEJC. We analyzed the effect sizes (ES) and 95% confidence intervals (CI) in addition to subgroups and heterogeneity. Meta‐analyses were performed using Stata BE17 software. Results For these meta‐analyses, 753 patients were chosen from 21 studies. The effectiveness of NAIT was assessed using the pathological complete response (pCR), major pathological response (MPR), and nodal downstage to ypN0 rate. The MPR, pCR, and nodal downstage to ypN0 rate values in NAIT were noticeably higher (MPR: ES = 0.45; 95% CI: 0.36–0.54; pCR: ES = 0.26; 95% CI: 0.21–0.32; nodal downstage to ypN0 rate: ES = 0.60; 95% CI: 0.48–0.72) than those of neoadjuvant chemotherapy (nCT) or neoadjuvant chemoradiotherapy (nCRT) (MPR
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