Tislelizumab Plus Induction Chemotherapy Followed by Concurrent Chemoradiotherapy for Patients With Locally Advanced Esophageal Squamous Cell Carcinoma: a Phase II, Randomized Trial (EC-CRT-002)

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Detailed Summary

Definitive chemoradiotherapy (CRT) is the standard treatment option for unresectable locally advanced esophageal cancer (EC). However, as high as more than 40% of EC patients experienced locoregional recurrence after concurrent CRT. Immunotherapy targeting the PD-1/PD-L1 checkpoints has demonstrated promising activity in advanced EC. Recently, the combination of immunotherapy with CRT has emerged as a promising strategy to improve clinical outcomes in EC. The aim of this study was to evaluate whether the efficacy of tislelizumab (an anti-PD-1 antibody) plus induction chemotherapy followed by concurrent chemoradiotherapy would achieve a ≥71% 1-year progression-free survival rate, surpassing the historical 56% rate (NCT02403531) in patients with locally advanced esophageal squamous cell carcinoma (ESCC).

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