Targeted drug shows promise for rare childhood brain tumors

NCT ID NCT04655404

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

Summary

This early-phase trial is testing the drug larotrectinib in 15 children (up to age 21) with newly diagnosed high-grade glioma or DIPG that have a specific genetic change called NTRK fusion. The study aims to see if the drug can control the disease after two cycles, and how safe it is when combined with chemotherapy or radiation. Some children will also have surgery to measure drug levels in their tumor.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Larotrectinib (a targeted cancer drug)
What this could lead to
If successful, this could point toward a new treatment option for children with hard-to-treat brain tumors that have a specific genetic change (NTRK fusion).
What could go wrong
This is a very early (Phase 1) pilot study with only 15 children, so results are preliminary. The drug may not shrink tumors or improve survival, and side effects are still being studied.

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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

  • Ann & Robert H. Lurie Children's Hospital of Chicago

    WITHDRAWN

    Chicago, Illinois, 60611, United States

  • Children's Hospital Colorado

    RECRUITING

    Aurora, Colorado, 80045, United States

  • Children's Hospital of Philadelphia

    RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

  • Children's National Medical Center

    RECRUITING

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

  • Cincinnati Children's Hospital Medical Center

    RECRUITING

    Cincinnati, Ohio, 45229, United States

  • Dana-Farber Cancer Institute

    RECRUITING

    Boston, Massachusetts, 02215, United States

  • Duke University Health System

    RECRUITING

    Durham, North Carolina, 27708, United States

  • Hopp Children's Cancer Center at NCT Heidelberg (KiTZ)

    RECRUITING

    Heidelberg, Baden-Wurttemberg, 69120, Germany

  • Montreal Children's Hospital

    RECRUITING

    Montreal, Quebec, H4A3J1, Canada

  • Nationwide Children's Hospital

    RECRUITING

    Columbus, Ohio, 43235, United States

  • Perth Children's Hospital

    RECRUITING

    Perth, Western Australia, 6000, Australia

  • Queensland Children's Hospital

    RECRUITING

    South Brisbane, Queensland, 4101, Australia

  • Seattle Children's Hospital

    RECRUITING

    Seattle, Washington, 98105, United States

  • Starship Children's Hospital

    RECRUITING

    Auckland, Grafton, 1023, New Zealand

  • Sydney Children's Hospital

    RECRUITING

    Randwick, New South Wales, 2031, Australia

  • Texas Children's Hospital

    RECRUITING

    Houston, Texas, 77030, United States

  • The Hospital for Sick Children (SickKids)

    RECRUITING

    Toronto, Ontario, M5G1X8, Canada

  • University Hospital Berlin

    RECRUITING

    Berlin, Germany

  • University Hospital Koln

    RECRUITING

    Cologne, Germany

  • University Medical Center Augsburg

    RECRUITING

    Augsburg, Germany

  • University Medical Center Gottingen

    RECRUITING

    Göttingen, Germany

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