Engineered immune cells take on rare leukemia in first human trial

NCT ID NCT04815356

First seen Nov 11, 2025 · Last updated Jun 14, 2026 · Updated 29 times

Summary

This early-phase study tests whether a new type of immunotherapy, called anti-CD22 CAR T cells, is safe for people with hairy cell leukemia (HCL) that has come back or not responded to standard treatments. Up to 27 adults will have their own immune cells collected, modified in a lab to recognize and attack cancer cells, and then infused back after mild chemotherapy. The main goals are to check for side effects and see if the treatment can shrink tumors.

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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: •••-•••-••••

Conditions

Explore the condition pages connected to this study.