Combination joint injection to help prevent arthritis after ACL injury
Official title: A Multi-Factorial Therapeutic Delivery System to Attenuate Post-Traumatic Osteoarthritis
Funded at Philadelphia VA Medical Center · NIH-11144430 · Data updated 2026-11-12
This project is creating an injection that slowly releases protective medicines into a newly injured knee to help people with ACL tears avoid early arthritis.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Philadelphia VA Medical Center NIH-funded |
| Lab location | 1 site (Philadelphia, United States) |
| Project start | August 1, 2024 |
| Project end | July 31, 2027 |
| Funding year | 2025 |
| NIH project number | 5I21RX005135-02 |
| Project ID | NIH-11144430 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates would be people with recent acute knee injuries, especially ACL ruptures, who are within the early period after the injury.
✕Less likely to help
People with long-standing, established osteoarthritis or very old knee injuries are unlikely to benefit from this early-intervention approach.
What this research studies
If you have a recent ACL tear, this work aims to make an injection that delivers several protective drugs into the knee and times their release to match the injury response. The team is designing a delivery system that controls where medicines go in the joint and how long they act, because single-drug approaches have not stopped post-injury cartilage damage. The focus is on treating the joint early after injury to reduce bleeding, inflammation, and tissue breakdown that lead to post-traumatic osteoarthritis. Research is being led at the Philadelphia VA and combines laboratory testing, modeling, and translational development before moving toward human testing.
Why it matters
Potential benefit: If successful, the therapy could reduce or delay post-traumatic osteoarthritis and help preserve knee function after an ACL rupture.
How similar studies have gone: Targeted joint injections and controlled-release systems have shown promise in related work, but combining multiple timed-release protective agents for preventing post-traumatic osteoarthritis is largely novel.
Where this research is happening
-
Philadelphia VA Medical Center
Philadelphia, United States Active
Researchers
- Principal investigator: Miller, Liane — Philadelphia VA Medical Center
- Study coordinator: Miller, Liane
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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.