Perioperative tislelizumab plus chemotherapy for locally advanced gastroesophageal junction adenocarcinoma (NEOSUMMIT-03): a prospective, nonrandomized, open-label, phase 2 trial

Abstract This prospective, nonrandomized, open-label phase 2 trial (Chinese Clinical Trial Registry, ChiCTR2200061906) aimed to evaluate the effectiveness of adding the PD-1 antibody tislelizumab to perioperative chemotherapy in patients with locally advanced gastroesophageal junction adenocarcinoma...

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Main Authors: Run-Cong Nie, Shu-Qiang Yuan, Ya Ding, Yong-Ming Chen, Yuan-Fang Li, Cheng-Cai Liang, Mu-Yan Cai, Guo-Ming Chen, Wei Wang, Xiao-Wei Sun, De-Sheng Weng, Dan-Dan Li, Jing-Jing Zhao, Xiao-Jiang Chen, Yuan-Xiang Guan, Zhi-Min Liu, Yao Liang, Ma Luo, Jun Chi, Hai-Bo Qiu, Zhi-Wei Zhou, Xiao-Shi Zhang, Ying-Bo Chen
Format: Article
Language:English
Published: Nature Publishing Group 2025-02-01
Series:Signal Transduction and Targeted Therapy
Online Access:https://doi.org/10.1038/s41392-025-02160-8
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author Run-Cong Nie
Shu-Qiang Yuan
Ya Ding
Yong-Ming Chen
Yuan-Fang Li
Cheng-Cai Liang
Mu-Yan Cai
Guo-Ming Chen
Wei Wang
Xiao-Wei Sun
De-Sheng Weng
Dan-Dan Li
Jing-Jing Zhao
Xiao-Jiang Chen
Yuan-Xiang Guan
Zhi-Min Liu
Yao Liang
Ma Luo
Jun Chi
Hai-Bo Qiu
Zhi-Wei Zhou
Xiao-Shi Zhang
Ying-Bo Chen
author_facet Run-Cong Nie
Shu-Qiang Yuan
Ya Ding
Yong-Ming Chen
Yuan-Fang Li
Cheng-Cai Liang
Mu-Yan Cai
Guo-Ming Chen
Wei Wang
Xiao-Wei Sun
De-Sheng Weng
Dan-Dan Li
Jing-Jing Zhao
Xiao-Jiang Chen
Yuan-Xiang Guan
Zhi-Min Liu
Yao Liang
Ma Luo
Jun Chi
Hai-Bo Qiu
Zhi-Wei Zhou
Xiao-Shi Zhang
Ying-Bo Chen
author_sort Run-Cong Nie
collection DOAJ
description Abstract This prospective, nonrandomized, open-label phase 2 trial (Chinese Clinical Trial Registry, ChiCTR2200061906) aimed to evaluate the effectiveness of adding the PD-1 antibody tislelizumab to perioperative chemotherapy in patients with locally advanced gastroesophageal junction adenocarcinoma (GEJA). This study enrolled patients with GEJA clinically staged as cT3-4aNanyM0 or cT1-2N+M0 from October 2022 to June 2023. Eligible patients were administered three preoperative and five postoperative 3-week cycles of treatment with PD-1 antibody tislelizumab plus SOX (S-1 and oxaliplatin) regimen. The primary endpoint was major pathological response (MPR) rate. Thirty-two patients were enrolled. The median age was 60 years (range: 28–74 years), and 53.1% (17/32) patients were Siewert III type. All patients received at least one cycle of assigned preoperative treatment, and 93.8% (30/32) patients completed three cycles of assigned preoperative tislelizumab and SOX. The R0 resection rate was 96.9% (31/32). MPR, pathological complete response (pCR) of primary tumors and ypT0N0 rates were 50.0% (16/32, 95% CI: 31.9–68.1%), 28.1% (9/32, 95% CI: 13.7–46.7%) and 25.0% (8/32, 95% CI: 11.5–43.4%), respectively. The surgical morbidity rate was 15.6% (5/32), and no 30-day mortality was observed. In the preoperative and postoperative treatment periods, the rate of treatment-related grade 3–4 adverse events was 31.2% (10/32). At the date of 7th Jan 2025, 8 (25.0%) patients occurred recurrence. Therefore, perioperative tislelizumab plus chemotherapy demonstrated significantly improved pathological regression and might be a promising option for patients with locally advanced resectable GEJA.
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spelling doaj-art-547443ba1dd242e3b4fee9aca9bc20c12025-02-09T12:56:34ZengNature Publishing GroupSignal Transduction and Targeted Therapy2059-36352025-02-011011910.1038/s41392-025-02160-8Perioperative tislelizumab plus chemotherapy for locally advanced gastroesophageal junction adenocarcinoma (NEOSUMMIT-03): a prospective, nonrandomized, open-label, phase 2 trialRun-Cong Nie0Shu-Qiang Yuan1Ya Ding2Yong-Ming Chen3Yuan-Fang Li4Cheng-Cai Liang5Mu-Yan Cai6Guo-Ming Chen7Wei Wang8Xiao-Wei Sun9De-Sheng Weng10Dan-Dan Li11Jing-Jing Zhao12Xiao-Jiang Chen13Yuan-Xiang Guan14Zhi-Min Liu15Yao Liang16Ma Luo17Jun Chi18Hai-Bo Qiu19Zhi-Wei Zhou20Xiao-Shi Zhang21Ying-Bo Chen22Department of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Biotherapy, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Pathology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Biotherapy, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Biotherapy, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Biotherapy, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Medical Imaging, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Endoscopy, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Biotherapy, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineDepartment of Gastric Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer MedicineAbstract This prospective, nonrandomized, open-label phase 2 trial (Chinese Clinical Trial Registry, ChiCTR2200061906) aimed to evaluate the effectiveness of adding the PD-1 antibody tislelizumab to perioperative chemotherapy in patients with locally advanced gastroesophageal junction adenocarcinoma (GEJA). This study enrolled patients with GEJA clinically staged as cT3-4aNanyM0 or cT1-2N+M0 from October 2022 to June 2023. Eligible patients were administered three preoperative and five postoperative 3-week cycles of treatment with PD-1 antibody tislelizumab plus SOX (S-1 and oxaliplatin) regimen. The primary endpoint was major pathological response (MPR) rate. Thirty-two patients were enrolled. The median age was 60 years (range: 28–74 years), and 53.1% (17/32) patients were Siewert III type. All patients received at least one cycle of assigned preoperative treatment, and 93.8% (30/32) patients completed three cycles of assigned preoperative tislelizumab and SOX. The R0 resection rate was 96.9% (31/32). MPR, pathological complete response (pCR) of primary tumors and ypT0N0 rates were 50.0% (16/32, 95% CI: 31.9–68.1%), 28.1% (9/32, 95% CI: 13.7–46.7%) and 25.0% (8/32, 95% CI: 11.5–43.4%), respectively. The surgical morbidity rate was 15.6% (5/32), and no 30-day mortality was observed. In the preoperative and postoperative treatment periods, the rate of treatment-related grade 3–4 adverse events was 31.2% (10/32). At the date of 7th Jan 2025, 8 (25.0%) patients occurred recurrence. Therefore, perioperative tislelizumab plus chemotherapy demonstrated significantly improved pathological regression and might be a promising option for patients with locally advanced resectable GEJA.https://doi.org/10.1038/s41392-025-02160-8
spellingShingle Run-Cong Nie
Shu-Qiang Yuan
Ya Ding
Yong-Ming Chen
Yuan-Fang Li
Cheng-Cai Liang
Mu-Yan Cai
Guo-Ming Chen
Wei Wang
Xiao-Wei Sun
De-Sheng Weng
Dan-Dan Li
Jing-Jing Zhao
Xiao-Jiang Chen
Yuan-Xiang Guan
Zhi-Min Liu
Yao Liang
Ma Luo
Jun Chi
Hai-Bo Qiu
Zhi-Wei Zhou
Xiao-Shi Zhang
Ying-Bo Chen
Perioperative tislelizumab plus chemotherapy for locally advanced gastroesophageal junction adenocarcinoma (NEOSUMMIT-03): a prospective, nonrandomized, open-label, phase 2 trial
Signal Transduction and Targeted Therapy
title Perioperative tislelizumab plus chemotherapy for locally advanced gastroesophageal junction adenocarcinoma (NEOSUMMIT-03): a prospective, nonrandomized, open-label, phase 2 trial
title_full Perioperative tislelizumab plus chemotherapy for locally advanced gastroesophageal junction adenocarcinoma (NEOSUMMIT-03): a prospective, nonrandomized, open-label, phase 2 trial
title_fullStr Perioperative tislelizumab plus chemotherapy for locally advanced gastroesophageal junction adenocarcinoma (NEOSUMMIT-03): a prospective, nonrandomized, open-label, phase 2 trial
title_full_unstemmed Perioperative tislelizumab plus chemotherapy for locally advanced gastroesophageal junction adenocarcinoma (NEOSUMMIT-03): a prospective, nonrandomized, open-label, phase 2 trial
title_short Perioperative tislelizumab plus chemotherapy for locally advanced gastroesophageal junction adenocarcinoma (NEOSUMMIT-03): a prospective, nonrandomized, open-label, phase 2 trial
title_sort perioperative tislelizumab plus chemotherapy for locally advanced gastroesophageal junction adenocarcinoma neosummit 03 a prospective nonrandomized open label phase 2 trial
url https://doi.org/10.1038/s41392-025-02160-8
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