Mayo clinic study seeks immune clues in HER2 breast cancer patients

NCT ID NCT04517838

First seen Jan 11, 2026 · Last updated May 03, 2026 · Updated 15 times

Summary

This study collects blood and tumor tissue from 230 adults with HER2-positive breast cancer (stages I-IV) who are starting anti-HER2 drugs like trastuzumab. Researchers want to learn how the immune system responds to these treatments. The goal is to better understand the connection between immune cell activity and treatment outcomes. Participants will provide blood samples and allow researchers to use their tumor tissue for analysis.

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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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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Mayo Clinic in Florida

    RECRUITING

    Jacksonville, Florida, 32224-9980, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

Conditions

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