Diet changes to help people with APOE4 age better and resist Alzheimer’s

Dietary protection against APOE4 phenotypes in aging and Alzheimer's

NIH-funded research University of Southern California · NIH-11301032

This work will see if a fasting-mimicking diet and related eating plans can help people who carry the APOE4 gene avoid age-related memory loss and Alzheimer's changes.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Southern California NIH-funded
Lab location1 site (Los Angeles, UNITED STATES)
Project IDNIH-11301032 on NIH RePORTER

What this research studies

Researchers are using mice engineered to carry human APOE genes to model how APOE4 alters aging and Alzheimer's-related biology. They will give cycles of a fasting-mimicking diet and similar nutritional interventions and compare effects on brain energy use, inflammation, and microglial immune cells. Experiments include animals with and without Alzheimer’s-related transgenes to mimic different stages of disease risk. Findings aim to reveal diet-driven mechanisms that could guide future human prevention trials for APOE4 carriers.

Who could benefit from this research

Good fit: Ideal candidates for future human trials would be people who carry the APOE4 gene or have a strong family history of Alzheimer’s and are interested in dietary prevention strategies.

Not a fit: People without APOE4, those whose memory problems are due to non‑Alzheimer’s causes, or individuals with advanced Alzheimer’s disease may not benefit from these findings.

Why it matters

Potential benefit: If successful, this work could point to simple, non-drug dietary approaches that reduce Alzheimer’s risk or slow memory decline in people with APOE4.

How similar studies have performed: Related fasting-mimicking and calorie-restriction diets have shown benefits for metabolism and brain health in animal studies and some small human trials, but protection specifically for APOE4-linked Alzheimer’s risk remains largely untested.

Where this research is happening

Los Angeles, 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.