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Radiotherapy Target Volume Delineation in Locally Advanced Esophageal Cancer in the Immunotherapy Era

StatusRecruiting
PhaseNot specified
Started
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Record History

  1. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
This prospective observational cohort study will evaluate different radiotherapy target volume delineation patterns in patients with locally advanced esophageal squamous cell carcinoma receiving radiotherapy combined with immunotherapy. In routine clinical practice, physicians may use different margins around the primary tumor and different approaches to regional lymph node irradiation. The study will not assign participants to a specific radiotherapy strategy. Instead, participants will receive treatment according to routine clinical practice, and the actual radiotherapy plans will be recorded and analyzed. The study will compare locoregional tumor control, recurrence patterns, survival, treatment-related toxicity, lymphocyte reduction, and completion of immunotherapy among patients receiving different target volume strategies. The main objective is to evaluate 2-year locoregional recurrence-free survival and to identify radiotherapy approaches that may achieve effective tumor control while reducing unnecessary radiation exposure and treatment-related toxicity.
Trial Details
NCT Number NCT07858630
Lead Sponsor Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Conditions Esophageal Squamous Cell Carcinoma
Enrollment 500 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov