Exercise-Driven Repair of White Matter in Subcortical Vascular Dementia
Official title: Exercise Preconditioning and Compensatory Oligodendrogenesis in Subcortical Ischemic Vascular Dementia
Funded at Massachusetts General Hospital · NIH-11243073 · Data updated 2026-11-12
A new study at a major hospital will test whether exercise can boost the brain’s repair cells to help people with a form of dementia linked to blood vessels.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Massachusetts General Hospital NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project start | June 1, 2026 |
| Project end | May 31, 2028 |
| Funding year | 2026 |
| Award (this year) | $439,150 |
| NIH project number | 1R21NS145499-01 |
| Project ID | NIH-11243073 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults age 21 and older with or at risk for subcortical ischemic vascular dementia or related white matter damage.
✕Less likely to help
Individuals without vascular-related dementia or significant white matter injury may not experience direct benefits from this research.
What this research studies
This project looks at how physical exercise might help repair white matter in adults with subcortical vascular dementia, a condition tied to aging and blood vessel problems. It focuses on oligodendrocyte precursor cells (OPCs), which are needed to make new myelin after white matter injury. The researchers will explore how exercise affects OPC growth and the brain’s ability to remyelinate in the context of vascular cognitive impairment. By understanding these cellular changes, the team hopes to identify non-drug strategies to support brain repair in affected patients.
Why it matters
Potential benefit: If successful, the findings could inform exercise-based approaches to support brain repair and slow cognitive decline in VCID/SIVD.
How similar studies have gone: Prior work shows exercise can influence brain repair processes in other contexts, but this project investigates a specific mechanism in human vascular dementia, which is still emerging.
Where this research is happening
-
Massachusetts General Hospital
Boston, United States Active
Researchers
- Principal investigator: Arai, Ken — Massachusetts General Hospital
- Study coordinator: Arai, Ken
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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.