New test aims to match breast cancer patients with the right drug

NCT ID NCT06551116

First seen Nov 01, 2025 · Last updated May 15, 2026 · Updated 27 times

Summary

This study is testing a new, more precise way to measure HER2 protein levels in people with metastatic breast cancer. The goal is to see if this test can better predict who will benefit from a targeted drug called T-DXd. Researchers will enroll 200 adults with HER2-low breast cancer and compare the test results with how well the cancer responds to treatment.

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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

  • Abramson Cancer Center of the University of Pennsylvania

    RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

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

    Contact

  • Baylor College of Medicine/Dan L Duncan Comprehensive Cancer Center

    RECRUITING

    Houston, Texas, 77054, United States

    Contact Email: •••••@•••••

  • Ben Taub General Hospital

    RECRUITING

    Houston, Texas, 77030, United States

    Contact Email: •••••@•••••

  • Georgetown University - Lombardi CCC

    RECRUITING

    Washington D.C., District of Columbia, 20007, United States

    Contact Email: •••••@•••••

  • John's Hopkins Hospital

    RECRUITING

    Baltimore, Maryland, 21287, United States

    Contact Email: •••••@•••••

  • MD Anderson Cancer Center

    RECRUITING

    Houston, Texas, 77079, United States

    Contact Email: •••••@•••••

  • MD Anderson Cancer Center

    RECRUITING

    Sugar Land, Texas, 77478, United States

    Contact Email: •••••@•••••

  • MD Anderson Cancer center

    RECRUITING

    Houston, Texas, 77030, United States

    Contact Email: •••••@•••••

  • MD Anderson Cancer center

    RECRUITING

    League City, Texas, 77573, United States

    Contact Email: •••••@•••••

  • MD Anderson Cancer center

    RECRUITING

    Woodland, Texas, 77384, United States

    Contact Email: •••••@•••••

  • MedStar Washington Hospital Center

    RECRUITING

    Washington D.C., District of Columbia, 20010, United States

    Contact Email: •••••@•••••

  • Montefiore Einstein Medical Center

    RECRUITING

    The Bronx, New York, 10467, United States

    Contact Email: •••••@•••••

  • Penn Medicine Princeton Medical Center

    RECRUITING

    Plainsboro, New Jersey, 08536, United States

    Contact Email: •••••@•••••

  • Sibley Memorial Hospital

    RECRUITING

    Washington D.C., District of Columbia, 20016, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital Care Center

    RECRUITING

    Fairfield, Connecticut, 06824, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital Care Center

    RECRUITING

    Guilford, Connecticut, 06437, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital Care Center

    RECRUITING

    Trumbull, Connecticut, 06611, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital Care Center

    RECRUITING

    Westerly, Rhode Island, 02891, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital Care Center - Waterford

    RECRUITING

    Waterford, Connecticut, 06385, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital Care Center at Greenwich

    RECRUITING

    Greenwich, Connecticut, 06830, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital Care Center at Long Ridge

    RECRUITING

    Stamford, Connecticut, 06901, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital at Glastonbury

    RECRUITING

    Glastonbury, Connecticut, 06033, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital at Saint Francis

    RECRUITING

    Hartford, Connecticut, 06105, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital-Derby Care Center

    RECRUITING

    Derby, Connecticut, 06418, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital-Torrington Care Center

    RECRUITING

    Torrington, Connecticut, 06790, United States

    Contact Email: •••••@•••••

  • Smilow Cancer Hospital-Waterbury Care Center

    RECRUITING

    Waterbury, Connecticut, 06708, United States

    Contact Email: •••••@•••••

  • UNC Chapel Hill

    RECRUITING

    Chapel Hill, North Carolina, 27599, United States

    Contact Email: •••••@•••••

  • UPMC Hillman CC

    RECRUITING

    Pittsburgh, Pennsylvania, 15232, United States

    Contact Email: •••••@•••••

  • University of California San Francisco Medical Center

    RECRUITING

    San Francisco, California, 94143, United States

    Contact Email: •••••@•••••

  • University of Chicago Comprehensive Cancer Center at Silver Cross

    RECRUITING

    New Lenox, Illinois, 60451, United States

    Contact Email: •••••@•••••

  • University of Chicago Medical Center

    RECRUITING

    Chicago, Illinois, 60637, United States

    Contact Email: •••••@•••••

  • University of Chicago Medicine Northwest Indiana

    RECRUITING

    Crown Point, Indiana, 46307, United States

    Contact Email: •••••@•••••

  • University of Chicago Medicine-Orland Park

    RECRUITING

    Orland Park, Illinois, 60462, United States

    Contact Email: •••••@•••••

  • University of Pittsburgh Medical Center

    RECRUITING

    Pittsburgh, Pennsylvania, 15213, United States

    Contact Email: •••••@•••••

  • University of Washington - Fred Hutchinson Cancer Center

    RECRUITING

    Seattle, Washington, 98109, United States

    Contact Email: •••••@•••••

  • Yale Cancer Center

    RECRUITING

    New Haven, Connecticut, 06511, United States

    Contact

    Contact Email: •••••@•••••

  • Yale-New Haven Hospital North Haven Medical Center

    RECRUITING

    New Haven, Connecticut, 06473, United States

    Contact Email: •••••@•••••

Conditions

Explore the condition pages connected to this study.