Effects of a high-fat diet on brain blood flow in people with a specific gene

APOE genotype effects on triglycerides and blood flow in the human brain

NIH-funded research University of Washington · NIH-10795866

This study is looking at how older adults with the APOE ε4 gene, which is connected to Alzheimer's disease, react to a high-fat drink by checking changes in blood flow to the brain, to help us understand how diet might affect brain health and thinking skills.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Washington NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-10795866 on NIH RePORTER

What this research studies

This research investigates how individuals with the APOE ε4 gene, which is linked to Alzheimer's disease, respond to a high-fat diet in terms of brain blood flow and metabolism. Participants will consume a high-fat drink, and researchers will use non-invasive MRI techniques to measure changes in cerebral blood flow. The study aims to understand the relationship between blood flow, cognitive function, and metabolic responses in older adults, particularly focusing on those with the APOE ε4 gene. Additionally, it will explore how metabolic factors like glucose tolerance may influence these responses.

Who could benefit from this research

Good fit: Ideal candidates for this research are older adults who carry the APOE ε4 gene and are interested in understanding their metabolic responses to dietary changes.

Not a fit: Patients who do not carry the APOE ε4 gene or are not older adults may not receive direct benefits from this research.

Why it matters

Potential benefit: If successful, this research could lead to better understanding and management of Alzheimer's disease risk in individuals with the APOE ε4 gene.

How similar studies have performed: Previous research has shown promising results in understanding the effects of diet on brain function, particularly in populations at risk for Alzheimer's disease, suggesting that this approach may yield valuable insights.

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 2026-06-13 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.