Could extra radiation after mastectomy keep breast cancer from coming back?
NCT ID NCT04320979
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether giving extra radiation to lymph nodes behind the breastbone can help prevent breast cancer from returning in high-risk patients. About 2,400 people who had a mastectomy and had cancer in their lymph nodes will take part. The goal is to see if this extra treatment improves how long they live without the cancer coming back.
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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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Cancer Hospital, Chinese Academy of Medical Sciences
Beijing, 100021, China
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