The role of gut bacteria and tryptophan in lupus

Gut dysbiosis and tryptophan metabolism in lupus

NIH-funded research University of Texas Hlth Science Center · NIH-11071398

This study is looking at how the bacteria in your gut and how your body processes tryptophan might affect lupus, a condition that can cause your immune system to attack itself, by comparing the gut bacteria of people with lupus to those who are healthy, to find out if certain bacteria could be making your symptoms worse.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Science Center NIH-funded
Lab location1 site (San Antonio, United States)
Project IDNIH-11071398 on NIH RePORTER

What this research studies

This research investigates how changes in gut bacteria and tryptophan metabolism may contribute to the development and worsening of lupus, an autoimmune disease. By comparing gut microbial communities in patients with systemic lupus erythematosus (SLE) and healthy individuals, the study aims to identify specific bacteria that may trigger immune responses leading to disease flares. The research utilizes both patient samples and mouse models to explore the relationship between gut health and lupus activity, focusing on how certain gut bacteria can influence immune system behavior.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals diagnosed with systemic lupus erythematosus, particularly those experiencing disease flares.

Not a fit: Patients with lupus who are in remission or those without a diagnosis of systemic lupus erythematosus 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 improve outcomes for lupus patients.

How similar studies have performed: Previous research has indicated that gut microbiota can influence autoimmune diseases, suggesting that this approach may yield valuable insights.

Where this research is happening

San Antonio, 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.
Conditions Autoimmune Diseasesautoimmune disorder
Last reviewed 2026-06-10 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.