NIH-funded research R21 grant

Protecting Brain Cells that Control Consciousness After Cardiac Arrest

Official title: Protection of Thalamic Neurons Which Regulate Consciousness by Ethosuximide After Cardiac Arrest - A Randomized Pre-Clinical Trial

Funded at Children's Research Institute · NIH-11233755 · Data updated 2026-11-12

This project explores if a medication called ethosuximide can protect important brain cells and improve consciousness for people after cardiac arrest.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionChildren's Research Institute
NIH-funded
Lab location1 site (Washington, United States)
Project startAugust 1, 2025
Project endJuly 31, 2027
Funding year2025
Award (this year)$227,500
NIH project number1R21NS139251-01A1
Project IDNIH-11233755 on NIH RePORTER

Who could benefit from this research

Could help

This preclinical work is foundational for future treatments for patients who experience disorders of consciousness, such as coma, after cardiac arrest.

Less likely to help

Patients who have not experienced cardiac arrest or related brain injury would not directly benefit from this specific research.

What this research studies

After cardiac arrest, many people experience disorders of consciousness like coma, which currently have no specific treatment. This work focuses on a specific area of the brain, the thalamic reticular nucleus (TRN), which is crucial for consciousness and often damaged after cardiac arrest. We are looking at how certain brain cell activity, called 'bursts,' might contribute to this damage. By using ethosuximide, an existing medication, we hope to prevent these harmful bursts and protect TRN brain cells, ultimately aiming to improve recovery and quality of life.

Why it matters

Potential benefit: If successful, this work could lead to a new treatment to prevent brain damage and improve recovery of consciousness for cardiac arrest survivors.

How similar studies have gone: This approach is novel in targeting Cav3.3-dependent bursts in TRN neurons after cardiac arrest, though ethosuximide is an FDA-approved drug for absence seizures.

Where this research is happening

  • Children's Research Institute
    Washington, United States
    Active

Researchers

  • Principal investigator: Ton, Hoai — Children's Research Institute
  • Study coordinator: Ton, Hoai

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.