NIH-funded research R21 grant

A Blood Test to Understand Memory Changes in Diabetes

Official title: Plasma-Based Neuronal Insulin Signaling Exosomes as a Biomarker for Cognitive Impairment in Diabetes

Funded at Hennepin Healthcare Research Institute · NIH-11175378 · Data updated 2026-11-12

This project explores how a blood test might help us understand and predict memory changes in older adults living with diabetes.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionHennepin Healthcare Research Institute
NIH-funded
Lab location1 site (Minneapolis, United States)
Project startSeptember 1, 2024
Project endJune 30, 2027
Funding year2025
Award (this year)$138,065
NIH project number5R21AG081689-02
Project IDNIH-11175378 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for future related studies would be older adults living with diabetes who are experiencing or are at risk for cognitive impairment.

Less likely to help

Patients without diabetes or those not experiencing cognitive concerns related to diabetes may not directly benefit from this specific research.

What this research studies

Many older adults with diabetes experience memory and thinking problems, and we want to understand why this happens. We believe that how the brain uses insulin, called neuronal insulin signaling, plays a crucial role in brain health and memory. This project will examine tiny particles in your blood, called exosomes, which carry important information about your brain's insulin signaling. By studying these signals, we hope to discover if changes in brain insulin use can predict future memory decline in people with diabetes, potentially leading to new ways to protect brain function.

Why it matters

Potential benefit: If successful, this work could lead to a new blood test that helps identify individuals with diabetes at risk for memory decline, allowing for earlier intervention.

How similar studies have gone: This approach explores a promising but understudied mechanism linking diabetes and cognitive decline, suggesting it is a novel area of focus.

Where this research is happening

  • Hennepin Healthcare Research Institute
    Minneapolis, United States
    Active

Researchers

  • Principal investigator: Sabayan, Behnam — Hennepin Healthcare Research Institute
  • Study coordinator: Sabayan, Behnam

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.