300 patients help scientists unlock secrets of metastatic breast cancer

NCT ID NCT03737695

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

Summary

This study collects blood and tissue samples from 300 people with breast cancer that has spread or come back. The goal is to create a large research registry that helps doctors understand why tumors spread and why people respond differently to treatments. Participants provide samples and medical information, but the study does not test a new treatment.

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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

  • Dana-Farber Cancer Institute

    Boston, Massachusetts, 02215, United States

  • Duke University Medical Center

    Durham, North Carolina, 27710, United States

  • FHCC South Lake Union

    Seattle, Washington, 98109, United States

  • Johns Hopkins University/Sidney Kimmel Cancer Center

    Baltimore, Maryland, 21287, United States

  • Mayo Clinic in Rochester

    Rochester, Minnesota, 55905, United States

  • MedStar Georgetown University Hospital

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

  • Montefiore Medical Center-Einstein Campus

    The Bronx, New York, 10461, United States

  • UCSF Medical Center-Mission Bay

    San Francisco, California, 94158, United States

  • UNC Lineberger Comprehensive Cancer Center

    Chapel Hill, North Carolina, 27599, United States

  • UPMC-Magee Womens Hospital

    Pittsburgh, Pennsylvania, 15213, United States

  • University of Alabama at Birmingham Cancer Center

    Birmingham, Alabama, 35233, United States

  • University of Chicago Comprehensive Cancer Center

    Chicago, Illinois, 60637, United States

  • University of Pennsylvania/Abramson Cancer Center

    Philadelphia, Pennsylvania, 19104, United States

  • Vanderbilt Breast Center at One Hundred Oaks

    Nashville, Tennessee, 37204, United States

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