A new nose spray vaccine for the flu

IND-enabling studies of an intranasal, single-replication M2SR influenza vaccine

NIH-funded research Flugen, INC. · NIH-11136494

This research is developing a new type of flu vaccine, given as a nose spray, to offer better protection against different flu strains for adults.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionFlugen, INC. NIH-funded
Lab location1 site (Madison, United States)
Project IDNIH-11136494 on NIH RePORTER

What this research studies

Current flu vaccines don't always protect well, especially when the flu virus changes. This project is working on a new kind of flu vaccine, called M2SR, that is given as a nose spray. It's designed to provide stronger protection against various flu strains, including those that have changed or are very dangerous. The goal is to prepare this vaccine for future testing in people, building on promising results seen in animal models and early human safety tests.

Who could benefit from this research

Good fit: Ideal candidates for future studies might include healthy adults, particularly those aged 21 and older, including seniors.

Not a fit: Patients who are not eligible for vaccination or who have specific contraindications to nasal vaccines may not receive benefit.

Why it matters

Potential benefit: If successful, this vaccine could offer more reliable and broader protection against the flu, potentially reducing hospitalizations and deaths.

How similar studies have performed: A prototype of this M2SR vaccine has shown promising safety and immune responses in early clinical trials and provided protection in animal models against various flu strains.

Where this research is happening

Madison, 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 Airway 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.