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Tislelizumab Versus Chemotherapy as Second-Line Treatment for Advanced or Metastatic Esophageal Squamous Cell Carcinoma (RATIONALE-302): A Randomized Phase III Study

Open access
Shen, Lin, Kato, Ken, Kim, Sung-Bae, Ajani, Jaffer A., Zhao, Kuaile, He, Zhiyong, Yu, Xinmin, Shu, Yongqian, Luo, Qi, Wang, Jufeng, Chen, Zhendong, Niu, Zuoxing, Zhang, Longzhen, Yi, Tienan, Sun, Jong-Mu, Chen, Jianhua, Yu, Guohua, Lin, Chen-Yuan, Hara, Hiroki, Bi, Qing, Satoh, Taroh, Pazo-Cid, Roberto, Arkenau, Hendrick-Tobias, Borg, Christophe, Lordick, Florian, Li, Liyun, Ding, Ningning, Tao, Aiyang, Shi, Jingwen, Van Cutsem, Eric, for the RATIONALE-302 Investigators·2022·Journal of Clinical Oncology

Abstract

PURPOSE: Patients with advanced or metastatic esophageal squamous cell carcinoma (ESCC) have poor prognosis. For these patients, treatment options are limited after first-line systemic therapy. PATIENTS AND METHODS: In this open-label phase III clinical study, patients with advanced or metastatic ESCC, whose tumor progressed after first-line systemic treatment, were randomly assigned (1:1) to receive intravenous tislelizumab, an anti–programmed cell death protein 1 antibody, 200 mg every 3 weeks or chemotherapy (investigator's choice of paclitaxel, docetaxel, or irinotecan). The primary end point was overall survival (OS) in all patients. The key secondary end point was OS in patients with programmed death-ligand 1 tumor area positivity (TAP) score ≥ 10%. RESULTS: In total, 512 patients across 11 countries/regions were randomly assigned. At final analysis, conducted after 410 death events occurred, OS was significantly longer with tislelizumab versus chemotherapy in all patients (median, 8.6 v 6.3 months; hazard ratio [HR], 0.70 [95% CI, 0.57 to 0.85]; one-sided P = .0001), and in patients with TAP ≥ 10% (median, 10.3 months v 6.8 months; HR, 0.54 [95% CI, 0.36 to 0.79]; one-sided P = .0006). Survival benefit was consistently observed across all predefined subgroups, including those defined by baseline TAP score, region, and race. Treatment with tislelizumab was associated with higher objective response rate (20.3% v 9.8%) and a more durable antitumor response (median, 7.1 months v 4.0 months) versus chemotherapy in all patients. Fewer patients experienced ≥ grade 3 treatment-related adverse events (18.8% v 55.8%) with tislelizumab versus chemotherapy. CONCLUSION: Tislelizumab significantly improved OS compared with chemotherapy as second-line therapy in patients with advanced or metastatic ESCC, with a tolerable safety profile. Patients with programmed death-ligand 1 TAP ≥ 10% also demonstrated statistically significant survival benefit with tislelizumab versus chemotherapy.

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Metadata

Authors
Shen, L., Kato, K., Kim, S.-B., Ajani, J. A., Zhao, K., He, Z., Yu, X., Shu, Y., Luo, Q., Wang, J., Chen, Z., Niu, Z., Zhang, L., Yi, T., Sun, J.-M., Chen, J., Yu, G., Lin, C.-Y., Hara, H., Bi, Q., Satoh, T., Pazo-Cid, R., Arkenau, H.-T., Borg, C., Lordick, F., Li, L., Ding, N., Tao, A., Shi, J., Van Cutsem, E., & for the RATIONALE-302 Investigators
Venue
Journal of Clinical Oncology
Published
2022-09-10
Volume
40
Issue
26
Pages
3065-3076
ISSN
  • 0732-183X (ISSN-L)
  • 1527-7755
OpenAlex
W4224213460
Cited by
322
References
19
FWCI
58.29
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Tislelizumab Versus Chemotherapy as Second-Line Treatment for Advanced or Metastatic Esophageal Squamous Cell Carcinoma (RATIONALE-302): A Randomized Phase III Study. https://app.cochat.ai/papers/10.1200/jco.21.01926
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Shen, L., Kato, K., Kim, S.-B., Ajani, J. A., Zhao, K., He, Z., Yu, X., Shu, Y., Luo, Q., Wang, J., Chen, Z., Niu, Z., Zhang, L., Yi, T., Sun, J.-M., Chen, J., Yu, G., Lin, C.-Y., Hara, H., . . . for the RATIONALE-302 Investigators. (2022). Tislelizumab Versus Chemotherapy as Second-Line Treatment for Advanced or Metastatic Esophageal Squamous Cell Carcinoma (RATIONALE-302): A Randomized Phase III Study. Journal of Clinical Oncology. https://doi.org/10.1200/jco.21.01926

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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