HER2+ breast cancer patients may finally get a treatment holiday

NCT ID NCT05721248

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study looks at whether people with HER2-positive metastatic breast cancer who have had their cancer controlled for at least three years can safely stop their anti-HER2 therapy. About 82 participants will either stop or continue treatment to see if the cancer stays away for a year. The goal is to reduce side effects and treatment burden without harming outcomes.

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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

  • Baylor College of Medicine

    Houston, Texas, 77030, United States

  • DFCI @ Foxborough

    Foxborough, Massachusetts, 02035, United States

  • DFCI @ Merrimack Valley

    Methuen, Massachusetts, 01844, United States

  • DFCI @ Milford Regional Hospital

    Milford, Massachusetts, 01757, United States

  • DFCI @ South Shore Hospital

    South Weymouth, Massachusetts, 02190, United States

  • Dana-Farber Cancer Insitute

    Boston, Massachusetts, 02215, United States

  • Duke University

    Durham, North Carolina, 27710, United States

  • Fred Hutchinson Cancer Center

    Seattle, Washington, 98109, United States

  • Georgetown University Medical Center

    Washington D.C., District of Columbia, 02809, United States

  • Mayo Clinic Hospital Arizona

    Phoenix, Arizona, 85054, United States

  • Mayo Clinic Rochester

    Rochester, Minnesota, 55905, United States

  • Mayo Clinical Hospital Florida

    Jacksonville, Florida, 32224, United States

  • University of Pittsburgh Medical Center

    Pittsburgh, Pennsylvania, 15213, United States

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