NIH-funded research R01 grant

Gut bacteria and permeability linked to Kawasaki disease in kids

Official title: Role of intestinal microbiome and gut permeability in the development of Kawasaki Disease vasculitis

Funded at Cedars-Sinai Medical Center · NIH-11414974 · Data updated 2026-11-12

A pediatric-focused study exploring how the gut microbiome and intestinal barrier may influence Kawasaki disease and its inflammation.

More Vasculitis research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionCedars-Sinai Medical Center
NIH-funded
Lab location1 site (Los Angeles, United States)
Project startJanuary 1, 2018
Project endJune 30, 2029
Funding year2026
Award (this year)$605,375
NIH project number5R01HL139766-07
Project IDNIH-11414974 on NIH RePORTER

Who could benefit from this research

Could help

Children with or at risk for Kawasaki disease or related pediatric vascular inflammation could benefit from future translational steps.

Less likely to help

Healthy children or those with illnesses not related to Kawasaki disease are unlikely to benefit.

What this research studies

Researchers are studying a mouse model of Kawasaki disease to understand how gut bacteria, gut permeability, and bacterial metabolites affect the development and severity of this pediatric vasculitis. They have found that changes in gut microbes and higher levels of a inflammatory metabolite called TMAO may worsen disease, while others like A. muciniphila may be protective. The project uses the LCWE-induced model to test how altering the microbiome and metabolites could modify vascular inflammation, with the aim of identifying potential targets for prevention or treatment. Findings could pave the way for microbiome- or gut-health-based strategies to reduce heart damage in affected children.

Why it matters

Potential benefit: If successful, the work could lead to microbiome- or metabolism-based approaches to prevent or lessen heart-related complications in Kawasaki disease.

How similar studies have gone: Prior work in this model has linked gut microbiota and metabolites to vascular inflammation, suggesting a promising, but still exploratory, approach.

Where this research is happening

  • Cedars-Sinai Medical Center
    Los Angeles, United States
    Active

Researchers

  • Principal investigator: Noval Rivas, Magali — Cedars-Sinai Medical Center
  • Study coordinator: Noval Rivas, Magali

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.