Investigating why some pneumonia vaccines fail

Serogroup 19 capsule maleability leading to vaccine failure

NIH-funded research University of Alabama at Birmingham · NIH-10909341

This study is looking into why some pneumonia vaccines don't always work as well as they should, especially against a bacteria called Streptococcus pneumoniae, and it's for anyone interested in understanding how changes in the bacteria might help it avoid our immune system, so we can make better vaccines in the future.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Alabama at Birmingham NIH-funded
Lab location1 site (Birmingham, United States)
Project IDNIH-10909341 on NIH RePORTER

What this research studies

This research focuses on understanding why certain vaccines for pneumonia, specifically those targeting the Streptococcus pneumoniae bacteria, sometimes fail to prevent infections. The team will explore how variations in the bacterial capsule, which is crucial for the bacteria's ability to evade the immune system, may contribute to these vaccine failures. By examining the genetic factors that influence capsule malleability, the researchers aim to uncover new insights that could improve vaccine effectiveness. This work involves analyzing different serotypes of the bacteria and their interactions with the immune response.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals who have experienced pneumonia infections despite being vaccinated or those at high risk for such infections.

Not a fit: Patients who have never been vaccinated against pneumonia or those with unrelated respiratory conditions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to the development of more effective pneumonia vaccines, reducing the incidence of vaccine failure and improving patient outcomes.

How similar studies have performed: Previous research has shown that understanding bacterial capsule variations can lead to improvements in vaccine design, indicating that this approach has potential for success.

Where this research is happening

Birmingham, 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 2026-06-15 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.