How ankle fusion changes the subtalar joint in people with varus ankle arthritis
Official title: Morphologic and Kinematic Adaptations of the Subtalar Joint after Ankle Fusion Surgery in Patients with Varus-type Ankle Osteoarthritis
Funded at Utah State Higher Education System--University of Utah · NIH-11400479 · Data updated 2026-11-12
This study looks at how ankle fusion surgery affects the subtalar joint in people with varus-type ankle arthritis and aims to improve long-term joint health.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Utah State Higher Education System--University of Utah NIH-funded |
| Lab location | 1 site (Salt Lake City, United States) |
| Project start | September 12, 2023 |
| Project end | August 31, 2028 |
| Funding year | 2026 |
| Award (this year) | $510,960 |
| NIH project number | 5R01AR082952-04 |
| Project ID | NIH-11400479 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults with varus-type ankle arthritis undergoing or having undergone ankle fusion.
✕Less likely to help
Patients without ankle arthritis requiring fusion or those not considering fusion for their condition may not benefit.
What this research studies
People with posttraumatic ankle arthritis sometimes need an ankle fusion to relieve pain. The project will analyze how removing motion at the ankle joint changes the subtalar joint’s shape and movement, using imaging and gait assessments. Researchers will relate these changes to potential later joint problems and to how well the fusion aligns with surrounding joints. The study builds on prior findings and seeks to guide surgical planning to reduce future arthritis in the hindfoot.
Why it matters
Potential benefit: If successful, the work could help surgeons plan ankle fusions in a way that protects the subtalar joint and reduces secondary arthritis risk.
How similar studies have gone: Earlier work suggests compensatory movements occur in the subtalar joint after ankle fusion, and this study aims to clarify and optimize that relationship.
Where this research is happening
-
Utah State Higher Education System--University of Utah
Salt Lake City, United States Active
Researchers
- Principal investigator: Anderson, Andrew Edward — Utah State Higher Education System--University of Utah
- Study coordinator: Anderson, Andrew Edward
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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.