New targeted radiation therapy shows promise for tough breast cancer

NCT ID NCT06590857

First seen Mar 08, 2026 · Last updated May 07, 2026 · Updated 5 times

Summary

This early-phase trial tests a drug called RYZ101 in people with a specific type of advanced breast cancer (ER+, HER2-) that has not responded to other treatments. The drug delivers radiation directly to cancer cells that have a certain marker (SSTR). The goal is to see if it is safe and can shrink tumors. About 16 participants will be enrolled.

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Contacts and locations

Locations

  • Research Facility

    Phoenix, Arizona, 85054, United States

  • Research Facility

    Irvine, California, 92618, United States

  • Research Facility

    San Diego, California, 92093, United States

  • Research Facility

    Santa Monica, California, 90404, United States

  • Research Facility

    Longmont, Colorado, 80504, United States

  • Research Facility

    Jacksonville, Florida, 32224, United States

  • Research Facility

    Atlanta, Georgia, 30322, United States

  • Research Facility

    Indianapolis, Indiana, 46202, United States

  • Research Facility

    Boston, Massachusetts, 02215, United States

  • Research Facility

    Detroit, Michigan, 48202, United States

  • Research Facility

    Rochester, Minnesota, 55905, United States

  • Research Facility

    St Louis, Missouri, 63130, United States

  • Research Facility

    Omaha, Nebraska, 68124, United States

  • Research Facility

    Albuquerque, New Mexico, 87109, United States

  • Research Facility

    Buffalo, New York, 14203, United States

  • Research Facility

    New York, New York, 10016, United States

  • Research Facility

    New York, New York, 10021, United States

  • Research Facility

    Cleveland, Ohio, 44195, United States

  • Research Facility

    Philadelphia, Pennsylvania, 19104, United States

  • Research Facility

    Pittsburgh, Pennsylvania, 15213, United States

  • Research Facility

    Dallas, Texas, 75246, United States

  • Research Facility

    Houston, Texas, 77024, United States

  • Research Facility

    Salt Lake City, Utah, 84132, United States

  • Research Facility

    Norfolk, Virginia, 23502, United States

  • Research Facility

    Seattle, Washington, 98109, United States

  • Research Facility

    Victoria, British Columbia, V8R 6V5, Canada

  • Research Facility

    Toronto, Ontario, M4N 3M5, Canada

  • Research Facility

    Toronto, Ontario, M5G 2M9, Canada

  • Research Facility

    Québec, Quebec, G1S 4L8, Canada

  • Research Facility

    Seoul, Seoul, 03080, South Korea

  • Research Facility

    Seoul, Seoul, 05505, South Korea

Conditions

Explore the condition pages connected to this study.