Understanding how H. pylori bacteria cause stomach problems

Genetic requirements of Helicobacter pylori infection

NIH-funded research Fred Hutchinson Cancer Center · NIH-11012785

This research explores the genetic makeup of H. pylori bacteria to understand how they cause long-term stomach infections and lead to serious conditions like ulcers and stomach cancer.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionFred Hutchinson Cancer Center NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-11012785 on NIH RePORTER

What this research studies

Many people worldwide carry H. pylori bacteria in their stomach, which can cause inflammation and, for some, severe diseases like peptic ulcers and gastric cancer. This project looks at how these bacteria adapt genetically within the human stomach over time, especially as the stomach lining changes. We are also learning how H. pylori influences the body's immune response, which can contribute to chronic inflammation. By understanding these genetic and immune interactions, we hope to find new ways to prevent or treat H. pylori-related diseases.

Who could benefit from this research

Good fit: This research is relevant to individuals who have or are at risk for H. pylori infection, chronic stomach inflammation, peptic ulcers, or gastric adenocarcinoma.

Not a fit: Patients without H. pylori infection or related stomach conditions may not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to better strategies for preventing and treating H. pylori infections and reducing the risk of stomach cancer.

How similar studies have performed: Previous work has shown that H. pylori adapts genetically during human infection and modulates the immune system, providing a foundation for this continued investigation.

Where this research is happening

Seattle, 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.