How immune signals cause Staph aureus bone infections and damage

Differential Inflammasome Regulation in the pathogenesis of S. aureus osteomyelitis

NIH-funded research Washington University · NIH-11158651

The team is comparing how different immune pathways cause bone damage during Staphylococcus aureus infections to help people with osteomyelitis.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11158651 on NIH RePORTER

What this research studies

If you have a Staph aureus bone infection, this work looks at how the immune system’s inflammatory machinery (the inflammasome) affects bone cells and infection outcome. Researchers study immune cells like neutrophils and macrophages, plus bone cells such as osteoclasts and osteoblasts, to see how those interactions promote bone loss or let bacteria hide. The project uses laboratory models and human-relevant samples to map which inflammatory signals drive damage and which might be blocked. The goal is to find targets that could lead to treatments that protect bone and help clear infection alongside antibiotics.

Who could benefit from this research

Good fit: Ideal participants would be people with current or recurrent Staphylococcus aureus osteomyelitis or those willing to donate blood or surgical bone samples for research.

Not a fit: People with non-infectious bone conditions or infections caused by organisms other than Staphylococcus aureus are unlikely to benefit directly from this project.

Why it matters

Potential benefit: If successful, this work could point to new therapies that reduce bone destruction and help clear stubborn Staph aureus infections when antibiotics alone are insufficient.

How similar studies have performed: Laboratory and animal studies suggest inflammasome modulation can change infection-driven inflammation, but clinical benefit for human bone infections is not yet established.

Where this research is happening

Saint Louis, 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 2026-06-13 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.