How exercise affects knee joint health through tiny particles in the blood
Official title: Mechano-regulation of circulating extracellular vesicle cargoes to enhance knee joint health
Funded at Spaulding Rehabilitation Hospital · NIH-11093214 · Data updated 2026-11-12
This study looks at how exercise can help improve knee health for people with knee osteoarthritis by examining tiny particles in the body that might play a role in keeping the cartilage healthy.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Spaulding Rehabilitation Hospital NIH-funded |
| Lab location | 1 site (Charlestown, United States) |
| Project start | May 15, 2025 |
| Project end | March 31, 2030 |
| Funding year | 2025 |
| Award (this year) | $639,997 |
| NIH project number | 1R01AG092299-01 |
| Project ID | NIH-11093214 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are older adults suffering from knee osteoarthritis who are interested in the effects of exercise on their joint health.
✕Less likely to help
Patients with knee osteoarthritis who are unable to participate in physical exercise due to severe mobility limitations may not benefit from this research.
What this research studies
This research investigates how physical exercise influences the health of knee joints, particularly in individuals with knee osteoarthritis (KOA). It aims to understand the molecular changes that occur in the knee joint and surrounding tissues as a result of exercise, focusing on the role of circulating extracellular vesicles. By analyzing these vesicles, the study seeks to identify beneficial changes that could help maintain cartilage integrity and improve joint health. The research employs advanced techniques to gather detailed data from multiple tissues and uses a model that simulates aging in female mice to explore these effects.
Why it matters
Potential benefit: If successful, this research could lead to new treatments that modify the progression of knee osteoarthritis and improve joint health for millions of older adults.
How similar studies have gone: Previous research has shown promising results in understanding the role of exercise in joint health, but this specific approach focusing on extracellular vesicles is relatively novel.
Where this research is happening
-
Spaulding Rehabilitation Hospital
Charlestown, United States Active
Researchers
- Principal investigator: Iijima, Hirotaka — Spaulding Rehabilitation Hospital
- Study coordinator: Iijima, Hirotaka
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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.