Proton beam therapy tested for liver cancer – early results show promise and risks
NCT ID NCT04805788
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This phase II trial tested a precise type of radiation called proton beam therapy in 9 people with liver cancer. The goal was to see if it could control the cancer while limiting damage to the liver. The study was stopped early, so the findings are limited, but early data suggest it may be a useful option for some patients.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Proton beam radiotherapy
What this could lead to
If successful, this could show that proton radiotherapy is a safe and effective way to treat liver cancer with fewer side effects than standard radiation.
What could go wrong
This was a very small, early-phase trial that was terminated early, so results are limited. Proton therapy may still cause liver damage or other side effects.
Disclaimer
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the original study
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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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Mayo Clinic in Arizona
Scottsdale, Arizona, 85259, United States
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Mayo Clinic in Rochester
Rochester, Minnesota, 55905, United States