Breast cancer radiation may harm thyroid, study warns
NCT ID NCT04528225
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 729 breast cancer patients who had surgery followed by radiation. Researchers checked their thyroid function before and after treatment to see how many developed an underactive thyroid (hypothyroidism). The goal was to find out which patients are at higher risk and how radiation dose relates to thyroid damage.
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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, Beijing Municipality, 100021, China
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