COVID vaccine side effects in breast cancer patients: what 714 survivors reported
NCT ID NCT04872738
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study asked 714 breast cancer survivors about their experiences with the COVID-19 vaccine. Researchers wanted to understand if lymph node swelling—a common vaccine side effect—caused worry or raised the risk of lymphedema (arm swelling) in these patients. The study collected data on where patients got the shot, side effects, and how long they lasted.
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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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Massachusetts General Hospital Cancer Center
Boston, Massachusetts, 02114, United States
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