Traumatic Brain Injury Across Life: How TBI Relates to Later Dementia Risk
Official title: Associations of Traumatic Brain Injury Across the Life Course with Later-LifeCognitive Decline and Dementia Risk: A Pooled Cohort Study
Funded at University of Pennsylvania · NIH-11449670 · Data updated 2026-11-12
This study looks at how head injuries over a person’s life affect their chances of developing Alzheimer's disease or related dementias later on.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Pennsylvania NIH-funded |
| Lab location | 1 site (Philadelphia, United States) |
| Project start | September 15, 2026 |
| Project end | August 31, 2031 |
| Funding year | 2026 |
| Award (this year) | $658,729 |
| NIH project number | 1R01NS147343-01A1 |
| Project ID | NIH-11449670 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults with a history of traumatic brain injury or those at risk due to age and prior injury exposure may benefit from later screening and prevention.
✕Less likely to help
People without a history of TBI or those not at risk for AD/ADRD may see limited direct benefit.
What this research studies
Researchers will combine data from four long-running cohorts to see how lifetime TBI exposure relates to cognitive decline and dementia risk. They will examine direct brain injury pathways and indirect effects with other dementia risk factors like high blood pressure and diabetes. The goal is to identify when the risk grows strongest and what mechanisms link TBI to later dementia so that future interventions can be targeted. The plan is guided by existing strong data and implemented by a team experienced in neurodegeneration research.
Why it matters
Potential benefit: If successful, findings could inform prevention strategies to reduce dementia risk after brain injury across the lifespan.
How similar studies have gone: Preliminary data from similar cohort analyses suggest links between TBI and later dementia, but the combined life-course approach is novel.
Where this research is happening
-
University of Pennsylvania
Philadelphia, United States Active
Researchers
- Principal investigator: Schneider, Andrea Lauren Christman — University of Pennsylvania
- Study coordinator: Schneider, Andrea Lauren Christman
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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.