NIH-funded research R21 grant

Antibiotics, Campylobacter, and Guillain-Barré Syndrome: Understanding Triggered Immunity

Official title: Antibiotic-Driven Campylobacter Immunogenicity and Microbiome Dysbiosis in Guillain-Barré Syndrome

Funded at University of Minnesota · NIH-11436090 · Data updated 2026-11-12

A short, patient-friendly look at how certain antibiotics might unexpectedly raise the risk of Guillain-Barré syndrome in people exposed to Campylobacter bacteria.

More Dysbiosis research and trials

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Minnesota
NIH-funded
Lab location1 site (Minneapolis, United States)
Project startAugust 21, 2026
Project endJuly 31, 2028
Funding year2026
Award (this year)$231,000
NIH project number1R21AI202577-01
Project IDNIH-11436090 on NIH RePORTER

Who could benefit from this research

Could help

Patients with or at risk of Guillain-Barré syndrome or Campylobacter infection who may be affected by antibiotic treatment.

Less likely to help

People not exposed to Campylobacter or not receiving antibiotics relevant to this research may see no direct benefit.

What this research studies

This project explores how standard antibiotic treatment could unintentionally boost the immune reaction that leads to Guillain-Barré syndrome (GBS). It focuses on Campylobacter jejuni, a common bacterial trigger for GBS, and how antibiotics may increase a key bacterial marker called LOS that can drive nerve damage. The study uses lab experiments and analyses of patient data to understand the relationship between antibiotic use, bacterial changes, and immune responses. The goal is to generate evidence that could inform safer treatment choices and help prevent GBS in the future.

Why it matters

Potential benefit: If successful, the work could lead to safer antibiotic guidelines and better prevention of GBS for people infected with Campylobacter.

How similar studies have gone: Past studies have shown associations between antibiotics, bacterial changes, and GBS, but this project advances mechanistic understanding in a focused way.

Where this research is happening

  • University of Minnesota
    Minneapolis, United States
    Active

Researchers

  • Principal investigator: Jeon, Byeonghwa — University of Minnesota
  • Study coordinator: Jeon, Byeonghwa

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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.