Effects of a common disinfectant on gut health and liver function

Impact of benzalkonium chloride on gut microbiome and gut-liver interactions

NIH-funded research University of Washington · NIH-10799427

This study is looking at how a common disinfectant ingredient called benzalkonium chloride might change the bacteria in your gut and affect your liver, especially since we've been using more disinfectants during the pandemic, and it aims to help us understand any health effects from long-term exposure.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Washington NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-10799427 on NIH RePORTER

What this research studies

This research investigates how exposure to benzalkonium chloride (BAC), a widely used antimicrobial found in disinfectants, affects the gut microbiome and liver interactions. Given the increased use of disinfectants during the COVID-19 pandemic, the study aims to analyze changes in gut bacteria and their metabolism, as well as how these changes might influence liver function. By examining human fecal samples and blood levels of BAC, the research seeks to understand the potential health implications of chronic exposure to this chemical. The findings could provide insights into how BAC impacts gut health and overall metabolism.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals who have been exposed to high levels of disinfectants, particularly during the COVID-19 pandemic.

Not a fit: Patients who have not been exposed to benzalkonium chloride or similar disinfectants may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to a better understanding of how disinfectant exposure affects gut health, potentially informing safer use practices.

How similar studies have performed: While the effects of BACs on gut microbiome have not been extensively studied, related research on antimicrobial exposure and gut health has shown significant impacts, suggesting potential for meaningful findings in this area.

Where this research is happening

Seattle, 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.