Radiation boosts immune attack on stubborn GI cancers?
NCT ID NCT04221893
First seen Nov 01, 2025 · Last updated May 10, 2026 · Updated 25 times
Summary
This study is for people with advanced gastrointestinal cancers that are spreading and no longer responding to immunotherapy. Researchers want to see if adding targeted radiation to one tumor can help the immune system fight cancer throughout the body. About 28 participants will receive radiation while continuing immunotherapy, and doctors will monitor tumor shrinkage and immune response.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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John Muir Medical Center-Walnut Creek
NOT_YET_RECRUITINGWalnut Creek, California, 94598, United States
Contact
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University of California, San Francisco
RECRUITINGSan Francisco, California, 94143, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
Conditions
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