New hope for advanced breast cancer: switching hormone therapy while keeping targeted drug

NCT ID NCT02738866

First seen Dec 16, 2025 · Last updated May 14, 2026 · Updated 23 times

Summary

This study tests whether continuing the targeted therapy palbociclib while switching to a different hormone therapy (fulvestrant) can help people with a certain type of advanced breast cancer (hormone receptor-positive, HER2-negative) whose disease has worsened despite initial treatment. About 60 participants who have already progressed on palbociclib plus an aromatase inhibitor will receive the new combination. The goal is to see how long the cancer stays under control and to study genetic markers that may influence response.

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Contacts and locations

Locations

  • Allegheny Health Network (AHN) - Allegheny General Hospital ONLY

    Pittsburgh, Pennsylvania, 15212, United States

  • Anne Arundel Health System Research Institute, Inc.

    Annapolis, Maryland, 21401, United States

  • Kimmel Cancer Center at Johns Hopkins at Sibley Memorial Hospital

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

  • Reading Hospital - McGlinn Cancer Institute

    West Reading, Pennsylvania, 19611, United States

  • Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

    Baltimore, Maryland, 21287, United States

Conditions

Explore the condition pages connected to this study.