Could a lower drug dose make bone marrow transplants safer for older patients?

NCT ID NCT04959175

First seen Oct 31, 2025 · Last updated May 23, 2026 · Updated 28 times

Summary

This study is for adults aged 18-85 with blood cancers that haven't responded well to standard treatments. It tests whether a lower dose of the drug cyclophosphamide, given after a bone marrow transplant, can reduce side effects while still preventing graft-versus-host disease (GVHD), a common complication where donor cells attack the body. Participants will receive chemotherapy, radiation, and the lower-dose drug, and will be monitored for up to 5 years.

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Contacts and locations

Study contacts

  • Contact

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

  • Contact

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

Locations

  • Hospital of the University of Pennsylvania

    RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

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

  • National Institutes of Health Clinical Center

    RECRUITING

    Bethesda, Maryland, 20892, United States

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

Conditions

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