How bacteria break down tryptophan affects inflammatory arthritis

Influence of bacterial tryptophan metabolism on inflammatory arthritis

NIH-funded research University of Colorado Denver · NIH-10979436

This study is looking at how the bacteria in our gut break down a substance called tryptophan and how this process might affect the development of inflammatory arthritis, like rheumatoid arthritis and spondyloarthritis, so if you're a patient, your samples could help us understand this connection better!

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Colorado Denver NIH-funded
Lab location1 site (Aurora, UNITED STATES)
Project IDNIH-10979436 on NIH RePORTER

What this research studies

This research investigates the role of bacterial metabolism of tryptophan in the development of inflammatory arthritis, particularly rheumatoid arthritis and spondyloarthritis. By analyzing the gut microbiome and its metabolites, the study aims to uncover how dysbiosis, or microbial imbalance, contributes to disease progression. The researchers will explore the immunological pathways involved, focusing on how indole, a product of tryptophan breakdown, influences immune cell behavior and joint inflammation. Patients may be involved in providing samples to help identify these mechanisms.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with rheumatoid arthritis or spondyloarthritis, particularly those showing signs of microbial dysbiosis.

Not a fit: Patients without inflammatory arthritis or those who do not exhibit microbial dysbiosis may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new therapeutic strategies targeting gut bacteria to prevent or treat inflammatory arthritis.

How similar studies have performed: Previous studies have shown promising results in understanding the gut microbiome's role in autoimmune diseases, suggesting that this approach could yield valuable insights.

Where this research is happening

Aurora, 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.