Improving healing after ACL surgery with targeted medicine
Official title: Localized small molecule delivery to improve tendon-to-bone integration following anterior cruciate ligament reconstruction
Funded at University of Pennsylvania · NIH-11178693 · Data updated 2026-11-12
This work explores how a special medicine delivered directly to the knee might help tendons heal better to bone after ACL reconstruction surgery.
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 1, 2024 |
| Project end | June 30, 2029 |
| Funding year | 2025 |
| Award (this year) | $511,488 |
| NIH project number | 5R01AR082810-02 |
| Project ID | NIH-11178693 on NIH RePORTER |
Who could benefit from this research
✓Could help
This research is ultimately aimed at adults who undergo anterior cruciate ligament reconstruction surgery due to an ACL tear or rupture.
✕Less likely to help
Patients who have not had or are not planning to have ACL reconstruction surgery would not directly benefit from this specific treatment approach.
What this research studies
ACL injuries are very common and often require surgery where a new tendon is used to replace the torn ligament. Unfortunately, sometimes the new tendon doesn't heal perfectly to the bone, leading to complications like re-injury or instability. Our goal is to find a way to encourage stronger, more natural healing where the tendon meets the bone. We are focusing on a natural pathway in the body that helps build strong connections between tendons and bones during development, and we believe we can activate this pathway after surgery to improve recovery.
Why it matters
Potential benefit: If successful, this approach could lead to stronger, more stable knee joints after ACL reconstruction, helping patients return to their active lives with less risk of re-injury.
How similar studies have gone: While the specific localized delivery of this small molecule for ACL healing is novel, our group's prior work has shown the importance of this biological pathway in forming strong tendon-to-bone connections.
Where this research is happening
-
University of Pennsylvania
Philadelphia, United States Active
Researchers
- Principal investigator: Dyment, Nathaniel a. — University of Pennsylvania
- Study coordinator: Dyment, Nathaniel a.
Related research
Other NIH-funded projects on the same topics.
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Localized delivery to boost tendon-to-bone healing after ACL reconstruction
A study testing a targeted small-molecule treatment to improve how the tendon graft heals at the bone after ACL reconstruction, with the goal of reducing graft failure and helping patients get back to activity.
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Split-belt treadmill training to restore knee loading after ACL surgery
This project uses split-belt treadmill walking to help people who had ACL reconstruction regain more normal loading on their repaired knee during everyday activities.
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Local zinc delivery plus controlled loading to help bone and tendon-to-bone healing after fractures or ACL surgery
Seeing if putting zinc directly at a healing bone site combined with controlled mechanical loading can help bones and tendon-to-bone connections heal faster and stronger for people with fractures or after ACL repair.
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Improving knee function after ACL surgery using a special treadmill technique
This study is looking at how walking on a special treadmill, where each leg moves at different speeds, can help people recover better after ACL surgery by improving knee strength and movement, and it’s designed for those who have had this surgery.
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Improving tendon-to-bone healing after ACL surgery
This study is looking at a new way to help your knee heal better after ACL surgery by using special treatments right where the tendon connects to the bone, which could make recovery faster and reduce the chances of problems later on.
-
Analgesic effects of adding BiFeS block to adductor canal block after ACL reconstruction
This study tests whether adding a BiFeS block to the standard adductor canal block provides better pain relief after ACL reconstruction.
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.