Stem cell–derived particles that calm brain immune cells after traumatic brain injury

Defining the mechanisms of MSC extracellular vesicle modulation of microglia metabolism and bioenergetics in traumatic brain injury recovery

['FUNDING_R01'] · UNIVERSITY OF GEORGIA · NIH-10925345

This project looks at whether tiny packages released by stem-like cells can calm brain immune cells and help people recover after traumatic brain injury.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF GEORGIA (nih funded)
Locations1 site (ATHENS, UNITED STATES)
Trial IDNIH-10925345 on ClinicalTrials.gov

What this research studies

If you or a loved one had a traumatic brain injury (TBI), researchers are studying tiny vesicles released by mesenchymal stromal cells (MSC-EVs) to see how they change the metabolism and energy use of brain immune cells called microglia. The team will prime MSCs with different signals to alter the vesicle surface and cargo, then test those vesicles in cell cultures and animal TBI models to see how they cross the blood-brain barrier and affect inflammation. They will measure inflammatory molecules, microglial activation states, metabolic markers, and functional recovery outcomes to identify protective mechanisms. The goal is to find ways to design safer, targeted therapies that deliver the helpful effects of MSCs without giving whole cells.

Who could benefit from this research

Good fit: People who have experienced a traumatic brain injury or continue to have TBI-related neurological symptoms would be the most relevant candidates for related future studies.

Not a fit: Those with non-traumatic brain illness, active uncontrolled medical conditions, or who are not eligible for experimental biologic therapies may not receive benefit from this specific approach.

Why it matters

Potential benefit: If successful, this work could lead to engineered MSC-derived vesicle treatments that reduce brain inflammation and improve recovery after TBI.

How similar studies have performed: Preclinical studies have shown that MSC-EVs can cross the blood-brain barrier and reduce neuroinflammation, but robust human clinical evidence is still limited.

Where this research is happening

ATHENS, UNITED STATES

Researchers

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 below.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.