Can an immune drug slow a rare childhood brain disease?
NCT ID NCT07820579
First seen Sep 15, 2026 · Last updated Sep 16, 2026 · Updated 1 time
Summary
Ataxia-telangiectasia is a rare, inherited disease that damages the nervous system, skin, and immune system, and it has no cure. Researchers are testing sirolimus, an immune-suppressing drug, in children under 17 with the condition. The six participants take sirolimus by mouth for six months while doctors track side effects, blood test results, and changes in neurological function using a standard ataxia rating scale. The goal is to see whether the drug is safe and whether it might ease symptoms or slow the disease.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- sirolimus, an immune-suppressing drug also known as rapamycin
- What this could lead to
- If it helps, this could point toward a treatment that slows the nerve damage, skin changes, and immune problems of ataxia-telangiectasia, a disease with no cure.
- What could go wrong
- This is a very small Phase 2 pilot study of six children, so any benefit seen may not hold up in larger trials. Sirolimus suppresses the immune system and can cause infections, mouth sores, and other side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
-
6 people
The number who actually took part.
- Started
-
Jul 2024
- Finished
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Aug 2026
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
Up to 16 years
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients younger than 17 years with a clinical and genetic diagnosis of ataxia telangiectasia (A-T). * Written informed consent obtained from parents or legal guardians. Exclusion Criteria: * Concomitant oncologic or hematologic diagnosis. * Current treatment with immunosuppressive agents.
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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
-
Instituto Nacional de Pediatría IRB
Mexico City, Mexico City, 3700, Mexico
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