Abstract
Objective: The present retrospective cohort study aims to evaluate the efficacy and safety of neoadjuvant immunochemotherapy for resectable esophageal cancer and report the preliminary short-term survival. Methods: A multi-center, retrospective study was conducted concerning patients who received neoadjuvant PD-1 agents plus platinum-based chemotherapy between January, 2019 to January, 2022. The primary endpoint was the tumor pathologic complete response (pCR) rate. Results: Two hundred and thirteen patients with initial stage cI-IVA esophageal cancer who received neoadjuvant immunochemotherapy were identified. Complete tumor resection(R0) rate was 99.1%. The pCR rate was 31.9%, and the overall major pathological response rate was 49.8%. The 2-year DFS rate was 78.9% (95%CI: 72.9%-85.4%) and 2-years OS rate was 80.9% (95%CI: 75.3%-86.9%). The incidence of TRAEs and surgical complications rate were 68.5% and 35.2%, respectively. Conclusion: The PD-1 agents combined with chemotherapy in the neoadjuvant treatment for resectable stage I–IVA esophageal cancer had a high pCR rate as well as good short-term survival benefit and tolerable toxicity.
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