How gum disease affects Alzheimer's disease progression

IMPORTANCE OF PERIODONTITIS IN THE INNATE IMMUNE REGULATION OF ALZHEIMER'S DISEASE

['FUNDING_R01'] · UNIVERSITY OF ALABAMA AT BIRMINGHAM · NIH-11045015

This study is looking at how gum disease might be connected to Alzheimer's disease, especially how a certain bacteria could affect the brain and make symptoms worse, and it's for anyone interested in understanding how taking care of your gums could help with brain health.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF ALABAMA AT BIRMINGHAM (nih funded)
Locations1 site (BIRMINGHAM, UNITED STATES)
Trial IDNIH-11045015 on ClinicalTrials.gov

What this research studies

This research investigates the link between periodontal disease and Alzheimer's disease, focusing on how a specific bacteria, Porphyromonas gingivalis, may enter the brain and worsen Alzheimer's symptoms. The study aims to understand the role of microglial cells, which are crucial for brain immunity, and how they are affected by gum disease. By examining the mechanisms of inflammation and immune response in the brain, the research seeks to uncover new insights into how periodontal health may influence Alzheimer's disease progression.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults over 21 years old who have a history of periodontal disease and are at risk for Alzheimer's disease.

Not a fit: Patients without periodontal disease or those who are not at risk for Alzheimer's disease may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing or treating Alzheimer's disease by addressing periodontal health.

How similar studies have performed: Previous research has suggested a connection between periodontal disease and Alzheimer's, but this study aims to explore this relationship in greater depth, making it a novel investigation.

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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.