Inhaled combination antibiotics for severe drug-resistant lung infections

Aerosol delivery of combinational therapeutics targeting deadly lung infections

NIH-funded research Purdue University · NIH-11299489

Developing inhaled combinations of antibiotics to better treat people with serious drug-resistant lung infections.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionPurdue University NIH-funded
Lab location1 site (West Lafayette, United States)
Project IDNIH-11299489 on NIH RePORTER

What this research studies

You would be offered inhaled antibiotic medicines designed to deliver more drug directly into your airways than standard IV antibiotics. The research focuses on combining polymyxins with aminoglycoside antibiotics to boost killing of resistant bacteria while reducing lung cell damage. Scientists will optimize how much drug gets into the lung, study how the drugs affect airway cells, and test safety and delivery using advanced lab models and animal studies. The goal is to find doses and delivery methods that work well without causing harmful lung side effects.

Who could benefit from this research

Good fit: Ideal candidates would be people with severe pulmonary infections caused by multidrug-resistant Gram-negative bacteria that are not responding to standard IV antibiotics.

Not a fit: People with non-bacterial lung conditions, viral infections, or those who cannot use inhaled treatments are unlikely to benefit from this work.

Why it matters

Potential benefit: If successful, this approach could improve treatment success for resistant lung infections while lowering lung toxicity and slowing resistance development.

How similar studies have performed: Inhaled polymyxins are already used in clinics but have not been systematically optimized and combining them with aminoglycosides is a promising but relatively new approach.

Where this research is happening

West Lafayette, 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.