How injury-related ion changes weaken GABA and cause epilepsy after brain trauma
Changes in the Ionic Basis of GABAergic Inhibition that Contribute to Post-Traumatic Epilepsy
['FUNDING_P01'] · MASSACHUSETTS GENERAL HOSPITAL · NIH-11325390
This project looks at how shifts in brain salt (chloride) after a head injury may make inhibitory signals fail and lead to epilepsy in people who had brain trauma.
Quick facts
| Phase | ['FUNDING_P01'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | MASSACHUSETTS GENERAL HOSPITAL (nih funded) |
| Locations | 1 site (BOSTON, UNITED STATES) |
| Trial ID | NIH-11325390 on ClinicalTrials.gov |
What this research studies
Researchers use a recently developed large-animal brain model that more closely resembles the human cortex to recreate epilepsy that starts after a localized cortical injury. They will track how the brain’s support cells and rebuilt extracellular matrix change extracellular chloride levels and the effectiveness of GABAergic (inhibitory) signaling over time. The team combines long-term imaging, tissue and molecular measurements, and localized mapping of seizure-prone cortex to link these ionic changes to the development of epilepsy. By connecting specific molecular and network changes to seizures after injury, the work aims to reveal targets for preventing or treating post‑traumatic epilepsy.
Who could benefit from this research
Good fit: This research is most relevant to people who have had a moderate-to-severe traumatic brain injury and are at risk of developing seizures afterward.
Not a fit: People with epilepsy from clearly different causes (for example genetic or developmental epilepsy) or whose seizures are already well controlled are unlikely to see direct benefits from this specific work.
Why it matters
Potential benefit: If successful, this work could point to new ways to prevent or better treat epilepsy that begins after a brain injury.
How similar studies have performed: Human tissue studies have previously shown shifts in GABA reversal potential, but applying a large-animal injury model to test extracellular-matrix-driven chloride displacement is a novel approach with limited prior clinical testing.
Where this research is happening
BOSTON, UNITED STATES
- MASSACHUSETTS GENERAL HOSPITAL — BOSTON, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: STALEY, KEVIN J. — MASSACHUSETTS GENERAL HOSPITAL
- Study coordinator: STALEY, KEVIN J.
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions: Acquired brain injury