Understanding how Pseudomonas aeruginosa becomes resistant to cefiderocol.

Emergence of TonB-dependent receptor mediated cefiderocol resistance among multidrug-resistant (MDR) Pseudomonas aeruginosa clinical isolates.

NIH-funded research Methodist Hospital Research Institute · NIH-10766821

This study is looking into how certain tough bacteria, called multidrug-resistant Pseudomonas aeruginosa, become resistant to a new antibiotic called cefiderocol, which could help doctors better treat patients with infections caused by these bacteria.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMethodist Hospital Research Institute NIH-funded
Lab location1 site (Houston, United States)
Project IDNIH-10766821 on NIH RePORTER

What this research studies

This research investigates the mechanisms behind the resistance of multidrug-resistant Pseudomonas aeruginosa to cefiderocol, a novel antibiotic. By analyzing the genetic changes in clinical isolates, the study aims to identify how these bacteria lose the ability to take up the drug effectively. The approach includes examining the outer membrane proteins responsible for drug transport and assessing the impact of specific mutations on antibiotic efficacy. Patients with infections caused by these resistant strains may benefit from insights gained through this research.

Who could benefit from this research

Good fit: Ideal candidates for participation or benefit from this research are patients with infections caused by multidrug-resistant Pseudomonas aeruginosa, particularly those in intensive care settings.

Not a fit: Patients with infections caused by non-resistant strains of Pseudomonas aeruginosa may not receive any benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved treatment strategies for infections caused by multidrug-resistant Pseudomonas aeruginosa.

How similar studies have performed: Previous research has shown success in understanding antibiotic resistance mechanisms in other pathogens, suggesting that this approach may yield valuable insights.

Where this research is happening

Houston, 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.