How gut changes after a head injury may drive brain inflammation and memory loss
Bidirectional Brain-Gut interactions, chronic neuroinflammation and neurodegeneration after traumatic brain injury
['FUNDING_R01'] · UNIVERSITY OF MARYLAND BALTIMORE · NIH-11182659
Researchers are testing whether gut damage and inflammation after a traumatic brain injury can keep the brain inflamed and lead to Alzheimer-like memory and thinking problems for people who have had a head injury.
Quick facts
| Phase | ['FUNDING_R01'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | UNIVERSITY OF MARYLAND BALTIMORE (nih funded) |
| Locations | 1 site (BALTIMORE, UNITED STATES) |
| Trial ID | NIH-11182659 on ClinicalTrials.gov |
What this research studies
This project studies links between the gut and brain after traumatic brain injury from the patient viewpoint: scientists use lab models of head injury and add gut inflammation to see how the two interact over time. They measure gut barrier health, enteric glial cell responses, immune changes in the brain (microglia), brain tissue loss, and memory-related behavior. Experiments use controlled head-injury models and timed gut infections to mimic real-world complications after TBI and track long-term changes. The goal is to find mechanisms that could point to gut-focused ways to reduce chronic brain inflammation and decline after head injury.
Who could benefit from this research
Good fit: People who have experienced a moderate to severe traumatic brain injury and are concerned about persistent digestive problems or declining memory would be most relevant to this research.
Not a fit: People without a history of head injury or those with advanced, established Alzheimer’s disease are unlikely to receive direct benefit from this project.
Why it matters
Potential benefit: If successful, this work could point to gut- or inflammation-focused treatments to lower the risk of Alzheimer-like decline after traumatic brain injury.
How similar studies have performed: Prior animal studies and early human data support gut–brain links after brain injury, but applying these findings to prevent Alzheimer's-like change is still a novel direction.
Where this research is happening
BALTIMORE, UNITED STATES
- UNIVERSITY OF MARYLAND BALTIMORE — BALTIMORE, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: FADEN, ALAN IRA — UNIVERSITY OF MARYLAND BALTIMORE
- Study coordinator: FADEN, ALAN IRA
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: Alzheimer disease dementia, Alzheimer syndrome, Alzheimer's Disease