Suicide Gene-Equipped t cells aim to make stem cell transplants safer

NCT ID NCT01494103

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

Summary

This trial tests whether specially modified T cells from a partially matched donor can help patients recover their immune system faster after a stem cell transplant. The T cells are engineered with a 'suicide gene' that allows doctors to destroy them if they cause graft-versus-host disease (GvHD), a serious complication. The study enrolls people with blood cancers or immune disorders who lack a perfectly matched donor. The goal is to find a safe dose of these cells and see if they improve immune recovery without causing severe GvHD.

What this could mean

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

Active substance
iCaspase9-transduced T cells and AP1903
What this could lead to
If it works, this approach could help patients recover their immune system faster after a stem cell transplant while providing a safety switch to stop dangerous graft-versus-host disease.
What could go wrong
This is an early-phase trial with only 15 participants, so results may not apply broadly. The suicide gene may not activate fully, or the modified cells could cause unexpected side effects.

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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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