NIH-funded research R01 grant

Understanding how pneumonia bacteria invade organs during bloodstream infections

Official title: Molecular mechanisms underlying organ penetration in disseminated pneumococcal infection

Funded at University of Alabama at Birmingham · NIH-10975032 · Data updated 2026-11-12

This study is looking at how a type of bacteria called Streptococcus pneumoniae gets into different organs when it causes a serious infection in the blood, and it aims to find ways to help create better vaccines and understand the risks of these infections.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Alabama at Birmingham
NIH-funded
Lab location1 site (Birmingham, United States)
Project startNovember 1, 2022
Project endOctober 31, 2027
Funding year2025
Award (this year)$622,109
NIH project number5R01AI172796-03
Project IDNIH-10975032 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals at risk for severe pneumococcal infections, particularly those with compromised immune systems or underlying health conditions.

Less likely to help

Patients with non-bacterial infections or those who do not have a history of pneumococcal disease may not benefit from this research.

What this research studies

This research investigates the molecular mechanisms by which Streptococcus pneumoniae invades organs during bacteremia, a serious condition where bacteria enter the bloodstream. The team will explore how the bacteria interact with vascular endothelial cells, focusing on the role of the bacterial capsule in this process. By examining different serotypes of the bacteria, the research aims to uncover how specific biochemical features influence their ability to penetrate organs. The findings could lead to improved strategies for vaccine development and risk assessment for infections.

Why it matters

Potential benefit: If successful, this research could lead to better vaccines and treatments for bacterial infections that invade organs.

How similar studies have gone: Previous research has shown success in understanding bacterial interactions with host cells, suggesting that this approach may yield valuable insights.

Where this research is happening

  • University of Alabama at Birmingham
    Birmingham, United States
    Active

Researchers

  • Principal investigator: Orihuela, Carlos J — University of Alabama at Birmingham
  • Study coordinator: Orihuela, Carlos J

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.
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.