Breathing carbon dioxide to uncover hidden stroke risks in kids

NCT ID NCT04406818

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study looks at how blood flow and metabolism affect brain development in children with sickle cell anemia. Researchers will use MRI scans and a special mask to have participants breathe carbon dioxide, which helps measure how well brain blood vessels expand. The goal is to understand why some children develop silent strokes or slower brain growth, which could lead to better prevention strategies.

What this could mean

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

Active substance

Carbon dioxide

What this could lead to

If successful, this could help doctors predict and prevent brain damage or strokes in children with sickle cell anemia.

What could go wrong

This is an observational study, not a treatment trial. It may not lead to direct benefits for participants, and results may not apply to all patients.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

brain disorder CHILD syndrome sickle cell disease

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

  • Washington University in St. Louis

    RECRUITING

    St Louis, Missouri, 63110, United States

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