Targeting a specific pathway to treat post-traumatic osteoarthritis

Sustained Biomaterial-mediated Inhibition of R-spondin 2 to Target Pathological Wnt Signaling in Post-Traumatic Osteoarthritis

NIH-funded research University of Michigan at Ann Arbor · NIH-11128508

This work explores a new way to deliver medicine directly into joints to help people with post-traumatic osteoarthritis.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Michigan at Ann Arbor NIH-funded
Lab location1 site (Ann Arbor, United States)
Project IDNIH-11128508 on NIH RePORTER

What this research studies

We are looking into how a specific signal, called Wnt/β-Catenin, contributes to joint damage in post-traumatic osteoarthritis. Our goal is to understand the role of a protein called R-spondin 2, which seems to make the condition worse. We are developing tiny, slow-release particles made from a special material to deliver a drug called Mianserin directly into the joint. This drug is designed to block the harmful R-spondin 2 signal, aiming to reduce inflammation and joint degeneration.

Who could benefit from this research

Good fit: This research is relevant for individuals living with post-traumatic osteoarthritis, particularly those experiencing joint degeneration.

Not a fit: Patients without post-traumatic osteoarthritis or those with other forms of arthritis may not directly benefit from this specific treatment approach.

Why it matters

Potential benefit: If successful, this approach could offer a new way to slow down or stop the progression of post-traumatic osteoarthritis by targeting a key disease pathway.

How similar studies have performed: While the drug Mianserin has been identified as an inhibitor, this specific method of sustained delivery using biomaterials to target R-spondin 2 in PTOA is a novel approach.

Where this research is happening

Ann Arbor, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.