Engineered t cells with a kill switch aim to make stem cell transplants safer

NCT ID NCT00710892

First seen Jul 01, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This study tests a new approach for people receiving a stem cell transplant from a partially matched family donor. The donor's immune cells (T cells) are modified in the lab to include a 'suicide gene' that can be activated by a drug if the cells attack the patient's body, causing graft-versus-host disease (GvHD). The goal is to see if higher doses of these modified T cells can help the immune system recover faster while keeping GvHD under control. The trial involves 10 patients with blood cancers or related disorders.

What this could mean

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

Active substance
allodepleted T cells with inducible caspase 9 suicide gene
What this could lead to
If it works, this could allow safer use of partially matched donor stem cells by giving doctors a way to turn off immune cells that attack the patient's body.
What could go wrong
This is a very early phase 1 trial with only 10 participants. The suicide switch has not been proven to work in humans, and patients who develop graft-versus-host disease will still need standard treatments.

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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

  • Texas Children's Hospital

    Houston, Texas, 77030, United States

  • The Methodist Hospital

    Houston, Texas, 77030, United States

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