Proton vs X-Ray: which radiation causes fewer side effects in breast cancer?
NCT ID NCT04443413
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two types of radiation therapy—standard x-ray and proton beam—for people with breast cancer who have had surgery. The goal is to see which method causes fewer serious side effects or unplanned surgeries over two years. About 146 adults with stage I to III breast cancer are taking part.
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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
Locations
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Mayo Clinic in Arizona
Scottsdale, Arizona, 85259, United States
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Mayo Clinic in Florida
Jacksonville, Florida, 32224-9980, United States
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Mayo Clinic in Rochester
Rochester, Minnesota, 55905, United States
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