Understanding how bacteria communicate in chronic lung infections

Quinolone and acyl-homoserine lactone quorum sensing in chronic P. aeruginosa infections

NIH-funded research University of Washington · NIH-11127693

This research explores how the bacteria Pseudomonas aeruginosa communicate to cause long-lasting infections, especially in people with cystic fibrosis.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Washington NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-11127693 on NIH RePORTER

What this research studies

Pseudomonas aeruginosa is a common germ that can cause serious, long-term infections in people, particularly those with cystic fibrosis. These bacteria use a special communication system, called quorum sensing, to coordinate their actions and make infections harder to treat. We are learning how this communication system changes in chronic infections, making the bacteria more harmful. By understanding these changes, we hope to find new ways to disrupt their communication and fight these persistent infections.

Who could benefit from this research

Good fit: This foundational research is most relevant to patients experiencing chronic Pseudomonas aeruginosa infections, such as those with cystic fibrosis.

Not a fit: Patients without chronic Pseudomonas aeruginosa infections or those with acute, easily treatable infections may not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to new treatments that target bacterial communication, making chronic Pseudomonas aeruginosa infections easier to manage or prevent.

How similar studies have performed: This project builds upon previous observations by the researchers and others, suggesting a growing understanding of bacterial communication in chronic infections.

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.
Conditions Bacterial Infections
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.