Engineered immune cells take on childhood cancer

NCT ID NCT06865664

First seen Oct 31, 2025 · Last updated Jun 23, 2026 · Updated 31 times

Summary

This early-phase trial tests a new treatment for children and young adults (ages 3–39) with rhabdomyosarcoma that has returned or not responded to standard therapy. The treatment uses the patient's own immune cells, which are modified in a lab to better target and attack cancer cells. Participants first receive chemotherapy to prepare their body, then a single infusion of the modified cells, and are closely monitored for side effects and tumor response.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • National Institutes of Health Clinical Center

    RECRUITING

    Bethesda, Maryland, 20892, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

What this could mean

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

Active substance

FGFR4-CAR T cells (a type of modified immune cell)

What this could lead to

If this works, it could point toward a new treatment option for children and young adults with hard-to-treat rhabdomyosarcoma.

What could go wrong

This is a very early, small Phase 1 trial focused on safety, so it may not show clear benefit. There are also risks of serious side effects from the modified cells and chemotherapy.

Conditions

The condition(s) this trial relates to.

rhabdomyosarcoma sarcoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.