Blood test may reveal hidden cancer after breast cancer surgery

NCT ID NCT07136493

First seen Nov 01, 2025 · Last updated Apr 29, 2026 · Updated 20 times

Summary

This study looks at whether a blood test can find tiny traces of cancer DNA (called ctDNA) in people with early-stage breast cancer after standard treatment. The goal is to see if this test can help doctors decide who might need extra treatment. About 350 adults with stage I-III breast cancer will provide blood and tissue samples for analysis.

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Contacts and locations

Locations

  • CTCA at Western Regional Medical Center

    Goodyear, Arizona, 85338, United States

  • City of Hope Atlanta Cancer Center

    Newnan, Georgia, 30265, United States

  • City of Hope Comprehensive Cancer Center

    Duarte, California, 91010, United States

  • City of Hope at Chicago

    Zion, Illinois, 60099, United States

  • City of Hope at Irvine Lennar

    Irvine, California, 92618, United States

Conditions

Explore the condition pages connected to this study.