Researchers track immune cells in HER2 breast cancer patients
NCT ID NCT04517838
First seen Jan 11, 2026 · Last updated May 21, 2026 · Updated 16 times
Summary
This study looks at blood and tumor samples from 230 adults with HER2-positive breast cancer (stages I-IV) who are starting anti-HER2 drugs like trastuzumab. The goal is to learn how the immune system reacts to these treatments. No new therapy is being tested; instead, researchers hope to better understand the body's immune response to improve future care.
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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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Mayo Clinic in Florida
RECRUITINGJacksonville, Florida, 32224-9980, United States
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