Plain-English translation of NCT04654975 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
Researchers are studying a serious but rare complication called brain metastases (cancer spread to the brain) that can happen after esophageal cancer surgery. This retrospective study looks back at medical records from thousands of patients treated over nearly 20 years to understand which patients are at higher risk and whether certain types of chemotherapy before surgery might increase this risk.
Brain metastases are hard to treat and can shorten survival in esophageal cancer patients. Doctors have noticed that brain spread may be happening more often since newer chemotherapy treatments before surgery became common, but they don't yet understand why or how to predict which patients are most at risk.
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This is not an active treatment study—you will not receive any new medications or procedures. Instead, researchers will review your existing medical records, imaging results, and treatment history from your cancer care. There are no additional clinic visits or tests required; participation simply means allowing the research team to access and analyze your historical health information to identify patterns and risk factors.
AI-generated summary from trial data · Jun 4, 2026 · Not medical advice
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