NIH-funded research NIH-funded research

A vaccine to prevent Klebsiella pneumoniae infections using a multivalent bioconjugate

Official title: A multivalent O-antigen bioconjugate vaccine for the prevention of Klebsiella pneumoniae infections

Funded at Vaxnewmo, LLC · NIH-11412495 · Data updated 2026-11-12

A new vaccine approach aims to protect people from dangerous Klebsiella pneumoniae infections, including drug-resistant strains.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionVaxnewmo, LLC
NIH-funded
Lab location1 site (Saint Louis, United States)
Project startJuly 15, 2022
Project endJuly 31, 2027
Funding year2026
Award (this year)$1,000,000
NIH project number5R42AI165116-05
Project IDNIH-11412495 on NIH RePORTER

Who could benefit from this research

Could help

Individuals at risk for Klebsiella infections, including patients in healthcare settings and those with prior antibiotic exposure or immune compromise.

Less likely to help

People without exposure risk or those for whom vaccination is not indicated may not benefit.

What this research studies

This project uses a bioconjugation method to create a multivalent vaccine that targets multiple Klebsiella pneumoniae strains. The vaccine is designed to be produced using a lab-based bioconjugation process that links bacterial polysaccharides to a carrier protein. The goal is to prevent infections in people who are at high risk for healthcare- and community-associated illness, including those with compromised immune systems or frequent antibiotic exposure.

Why it matters

Potential benefit: If successful, the vaccine could reduce infections and limit the spread of resistant Klebsiella.

How similar studies have gone: Conjugate vaccines have successfully protected against other bacterial pathogens, suggesting potential for efficacy against Klebsiella.

Where this research is happening

  • Vaxnewmo, LLC
    Saint Louis, United States
    Active

Researchers

  • Principal investigator: Harding, Christian — Vaxnewmo, LLC
  • Study coordinator: Harding, Christian

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.
Browse more
Last reviewed 2026-11-14 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.