Nanoparticle vaccine to boost protection against avian (bird) flu

Protection and Immunity after Polyanhydride Nanoparticle Vaccination against Avian Influenza A Virus

['FUNDING_R01'] · UNIVERSITY OF IOWA · NIH-11225127

A nanoparticle-based vaccine approach designed to create strong immune protection in the nose and lungs against avian (bird) influenza for people at risk of exposure.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF IOWA (nih funded)
Locations1 site (IOWA CITY, UNITED STATES)
Trial IDNIH-11225127 on ClinicalTrials.gov

What this research studies

Researchers are developing a polyanhydride nanoparticle vaccine intended to induce immune cells that remain in the nasal passages and lungs to stop avian influenza early. The team delivers flu antigens with these nanoparticles and measures local antibody and T and B cell memory responses. Much of the work uses laboratory and animal models to test whether this approach produces broader and longer-lasting protection than current vaccines. The goal is to lay the groundwork for a vaccine that could protect people before or during future avian influenza threats.

Who could benefit from this research

Good fit: Ideal candidates for future human testing would be people at higher risk of avian influenza exposure (for example poultry workers or travelers to affected regions) or volunteers eligible for vaccine trials.

Not a fit: People currently infected with influenza or those with no risk of exposure are unlikely to gain immediate benefit from this preclinical work.

Why it matters

Potential benefit: If successful, this approach could lead to a broadly protective vaccine that prevents severe lung disease from avian influenza by building strong local immunity in the respiratory tract.

How similar studies have performed: Previous research shows that vaccines which create lung and nasal tissue-resident immune cells can protect against different flu strains in animal studies, while polyanhydride nanoparticle delivery is a newer strategy needing more testing.

Where this research is happening

IOWA CITY, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.