Abstract | IMPORTANCE: OBJECTIVE: DESIGN, SETTING, AND PARTICIPANTS: A randomized, open-label, phase 3 clinical trial was conducted at 23 Chinese centers between June 1, 2016, and August 31, 2018. The study enrolled 298 patients aged 70 to 85 years. Eligible participants had histologically confirmed esophageal cancer, stage IB to IVB disease based on the 6th edition of the American Joint Committee on Cancer (stage IVB: only metastasis to the supraclavicular/celiac lymph nodes) and an Eastern Cooperative Oncology Group performance status of 0 to 1. Data analysis was performed from August 1, 2020, to March 10, 2021. INTERVENTIONS: Patients were stratified according to age (<80 vs ≥80 years) and tumor length (<5 vs ≥5 cm) and randomly assigned (1:1) to receive either CCRT with S-1 or RT alone. MAIN OUTCOMES AND MEASURES: The primary end point was the 2-year overall survival rate using intention-to-treat analysis. RESULTS: Of the 298 patients enrolled, 180 (60.4%) were men. The median age was 77 (interquartile range, 74-79) years in the CCRT group and 77 (interquartile range, 74-80) years in the RT alone group. A total of 151 patients (50.7%) had stage III or IV disease. The CCRT group had a significantly higher complete response rate than the RT group (41.6% vs 26.8%; P = .007). Surviving patients had a median follow-up of 33.9 months (interquartile range: 28.5-38.2 months), and the CCRT group had a significantly higher 2-year overall survival rate (53.2% vs 35.8%; hazard ratio, 0.63; 95% CI, 0.47-0.85; P = .002). There were no significant differences in the incidence of grade 3 or higher toxic effects between the CCRT and RT groups except that grade 3 or higher leukopenia occurred in more patients in the CCRT group (9.5% vs 2.7%; P = .01). Treatment-related deaths were observed in 3 patients (2.0%) in the CCRT group and 4 patients (2.7%) in the RT group. CONCLUSIONS AND RELEVANCE: In this phase 3 randomized clinical trial, CCRT with S-1 was tolerable and provided significant benefits over RT alone in older patients with esophageal cancer. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT02813967.
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Authors | Yongling Ji, Xianghui Du, Weiguo Zhu, Yanguang Yang, Jun Ma, Li Zhang, Jiancheng Li, Hua Tao, Jianhong Xia, Haihua Yang, Jin Huang, Yong Bao, Dexi Du, Degan Liu, Xiusheng Wang, Chaoming Li, Xinmei Yang, Ming Zeng, Zhigang Liu, Wen Zheng, Juan Pu, Jun Chen, Wangyuan Hu, Peijing Li, Jin Wang, Yujin Xu, Xiao Zheng, Jianxiang Chen, Wanwei Wang, Guangzhou Tao, Jing Cai, Jizhong Zhao, Jun Zhu, Ming Jiang, Yan Yan, Guoping Xu, Shanshan Bu, Binbin Song, Ke Xie, Shan Huang, Yuanda Zheng, Liming Sheng, Xiaojing Lai, Ying Chen, Lei Cheng, Xiao Hu, Wenhao Ji, Min Fang, Yue Kong, Xiaofu Yu, Huizhang Li, Runhua Li, Lei Shi, Wei Shen, Chaonan Zhu, Junwei Lv, Rong Huang, Han He, Ming Chen |
Journal | JAMA oncology
(JAMA Oncol)
Vol. 7
Issue 10
Pg. 1459-1466
(Oct 01 2021)
ISSN: 2374-2445 [Electronic] United States |
PMID | 34351356
(Publication Type: Clinical Trial, Phase III, Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
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Topics |
- Aged
- Aged, 80 and over
- Antineoplastic Combined Chemotherapy Protocols
(adverse effects)
- Chemoradiotherapy
(adverse effects)
- Esophageal Neoplasms
(drug therapy, radiotherapy)
- Humans
- Male
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