NIH-funded research NIH-funded research

Investigating how exosomes from rheumatoid arthritis cells contribute to bone damage

Official title: RA synovial fibroblast exosomes(RA-EXo) mediated bone erosion via AhR/TRAF2pathway

Funded at Louisville VA Medical Medical Center · NIH-11105829 · Data updated 2026-11-12

This study is looking at how tiny particles called exosomes from cells in the joints of people with rheumatoid arthritis can cause bone damage, and it hopes to find ways to block these effects to help improve joint health for those living with the condition.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionLouisville VA Medical Medical Center
NIH-funded
Lab location1 site (Louisville, United States)
Project startApril 1, 2022
Project endMarch 31, 2026
Funding year2025
NIH project number5I01BX005254-04
Project IDNIH-11105829 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are veterans and military personnel suffering from rheumatoid arthritis, particularly those who have not responded to traditional anti-TNF therapies.

Less likely to help

Patients with rheumatoid arthritis who are not veterans or those with other forms of arthritis may not benefit from this research.

What this research studies

This research focuses on understanding the role of exosomes released by rheumatoid arthritis synovial fibroblasts in causing bone erosion. It aims to explore the mechanisms by which these exosomes activate specific pathways that lead to chronic inflammation and joint damage. By using animal models, the study will investigate how blocking certain pathways can potentially reduce the harmful effects of these exosomes on joint health. The findings could provide insights into new therapeutic strategies for managing rheumatoid arthritis.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that prevent bone erosion in patients with rheumatoid arthritis.

How similar studies have gone: Previous research has shown promising results in understanding the role of exosomes in rheumatoid arthritis, indicating that this approach has potential for success.

Where this research is happening

  • Louisville VA Medical Medical Center
    Louisville, United States
    Active

Researchers

  • Principal investigator: Zhang, Huang-Ge — Louisville VA Medical Medical Center
  • Study coordinator: Zhang, Huang-Ge

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.