Could a 'smart' stem cell transplant free patients from a lifetime of anti-rejection drugs?

NCT ID NCT04678401

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

Summary

This early-phase study tests a new stem cell transplant method for people with aggressive or hard-to-treat acute myeloid leukemia (AML) or myelodysplastic syndromes (MDS). The approach uses specially engineered donor cells to reduce the risk of graft-versus-host disease, potentially allowing patients to avoid lifelong immunosuppressive drugs. Up to 30 participants will receive radiation, chemotherapy, and an infusion of regulatory T-cell enriched donor stem cells.

What this could mean

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

Active substance
Regulatory T-cell enriched donor stem cells
What this could lead to
If successful, this approach could allow patients with aggressive leukemia or MDS to receive a stem cell transplant without needing lifelong anti-rejection drugs.
What could go wrong
This is a very early phase 1 trial with only 30 participants, so safety and effectiveness are not yet proven. There are risks of graft failure, severe infection, or graft-versus-host disease.

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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

Study contacts

  • Contact

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

Locations

  • Dana Farber Cancer Institute

    RECRUITING

    Boston, Massachusetts, 02115, United States

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

    Contact

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