How gut bacteria affect liver disease and infections

Lac operon-dependent metabolism in Enterobacteriaceae and its role in liver disease-associated infections

NIH-funded research University of Pennsylvania · NIH-11178591

This study is looking at how the bacteria in your gut can affect liver disease, especially for people with cirrhosis, and it’s exploring how a sugar called lactulose might help harmful bacteria grow, which could lead to serious infections; the goal is to find ways to better protect and treat patients dealing with these issues.

Quick facts

Grant typeCareer grant
Study typeNIH-funded research
Funding institutionUniversity of Pennsylvania NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11178591 on NIH RePORTER

What this research studies

This research investigates the relationship between gut bacteria and liver disease, particularly focusing on how changes in the gut microbiome can lead to serious infections in patients with cirrhosis. The study examines the role of a specific carbohydrate, lactulose, in promoting the growth of harmful bacteria like E. coli, which can cause life-threatening conditions such as bacteremia. By understanding these mechanisms, the research aims to identify risk factors for infections and improve treatment strategies for affected patients.

Who could benefit from this research

Good fit: Ideal candidates for this research are patients with cirrhosis who are at risk for infections due to alterations in their gut microbiome.

Not a fit: Patients without liver disease or those not experiencing dysbiosis may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better prevention and treatment options for infections in patients with liver disease.

How similar studies have performed: Previous research has shown that understanding gut microbiome dynamics can lead to significant advancements in treating infections, suggesting this approach has potential for success.

Where this research is happening

Philadelphia, 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 acute liver injurybacterial bloodstream infectionbacterial infection in the bloodstream
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.