NIH-funded research R01 grant

Tissue Adhesive RNA Interference Nanoparticles to Block OA Progression

Official title: Tissue Adhesive RNA Interference Nanoparticles to Block Progression of Posttraumatic and Spontaneous Osteoarthritis.

Funded at Vanderbilt University · NIH-11392867 · Data updated 2026-11-12

A new treatment approach uses special RNA interference nanoparticles injected into joints to slow or stop osteoarthritis growth after injuries or aging, aiming to reduce pain and delay joint replacement for patients with PTOA/OA.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVanderbilt University
NIH-funded
Lab location1 site (Nashville, UNITED STATES)
Project startAugust 22, 2022
Project endJuly 31, 2027
Funding year2026
Award (this year)$513,430
NIH project number5R01AR078666-05
Project IDNIH-11392867 on NIH RePORTER

Who could benefit from this research

Could help

Individuals with post-traumatic osteoarthritis or age-related OA who have joint pain and are candidates for disease-modifying approaches.

Less likely to help

Patients with OA due to non-joint injuries not targeted by this mechanism or those unable to tolerate intra-articular injections may not benefit.

What this research studies

This grant supports development of a targeted intra-articular therapy that uses tissue adhesive RNA interference nanoparticles to block cartilage breakdown in osteoarthritis. By focusing on matrix metalloproteinases (MMPs), the approach seeks to slow disease progression and improve quality of life for people with PTOA or OA. The work will involve designing nanoparticles that stay in the joint longer and selectively inhibit damaging enzymes, with preclinical testing in relevant models. If successful, it could lead to a new, disease-modifying option rather than only providing temporary pain relief.

Why it matters

Potential benefit: If successful, patients could experience slower disease progression, less pain, and a reduced likelihood of needing joint replacement.

How similar studies have gone: Prior MMP-targeting approaches faced delivery and specificity challenges, but this project emphasizes localized joint delivery which is a novel and promising direction.

Where this research is happening

  • Vanderbilt University
    Nashville, United States
    Active

Researchers

  • Principal investigator: Duvall, Craig Lewis — Vanderbilt University
  • Study coordinator: Duvall, Craig Lewis

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.