A two-step approach to boost stem cell therapy for knee osteoarthritis after injury
Official title: An Innovative Two-Step Therapeutic Strategy to Maximize the Effect of Stem Cell Therapy for Post-Traumatic Osteoarthritis
Funded at Memphis VA Medical Center · NIH-11322667 · Data updated 2026-11-12
A new treatment idea uses fat-derived stem cells that are pre-treated to resist inflammation and programmed delivery to improve healing in people with knee osteoarthritis after injury.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Memphis VA Medical Center NIH-funded |
| Lab location | 1 site (Memphis, United States) |
| Project start | April 1, 2023 |
| Project end | March 31, 2027 |
| Funding year | 2026 |
| NIH project number | 5I01RX004283-04 |
| Project ID | NIH-11322667 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults with post-traumatic knee osteoarthritis or those at risk due to prior knee injuries and inflammatory joint conditions.
✕Less likely to help
Individuals without PTOA or inflammatory joint disease may not benefit from this specific approach.
What this research studies
This project explores making stem cell therapy safer and more effective for post-traumatic knee OA by pre-treating adipose-derived stem cells with antioxidants and using a specialized delivery system. It builds on a mouse model to test whether pre-treated cells survive better after being injected into the joint and reduce inflammation. The research also investigates a small molecule inhibitor to further reduce inflammatory signals at the joint, aiming to enhance tissue regeneration. If successful, this could move toward clinical testing to help patients with PTOA from prior injuries.
Why it matters
Potential benefit: If successful, this approach could improve joint regeneration and reduce pain for patients with post-traumatic knee OA.
How similar studies have gone: Preclinical studies have shown adipose-derived stem cells can promote regeneration, but translation to effective human therapies with protective pre-treatments remains under investigation.
Where this research is happening
-
Memphis VA Medical Center
Memphis, United States Active
Researchers
- Principal investigator: Cho, Hongsik Jake — Memphis VA Medical Center
- Study coordinator: Cho, Hongsik Jake
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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.