Investigating postoperative delirium and memory issues using aged nonhuman primates

A Nonhuman Primate Model for Postoperative Delirium and Working Memory Impairment

NIH-funded research Massachusetts General Hospital · NIH-10891346

This study is looking at how surgery-related confusion, known as postoperative delirium, might be linked to Alzheimer's disease by observing older monkeys and how they react to certain anesthetics, which could help us understand these issues better in people.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMassachusetts General Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-10891346 on NIH RePORTER

What this research studies

This research aims to create a new model using aged nonhuman primates to study postoperative delirium (POD) and its connection to Alzheimer's disease. By observing delirium-like behaviors and conducting invasive neural recordings, researchers hope to gain insights into the mechanisms behind POD. The study will utilize anesthetics like sevoflurane and propofol to explore their effects on memory and behavior in these primates. This approach allows for a more relevant understanding of how these conditions may develop in humans, paving the way for future clinical applications.

Who could benefit from this research

Good fit: Ideal candidates for this research are older adults undergoing surgical procedures who may be at risk for postoperative delirium.

Not a fit: Patients who are not undergoing surgery or who are not at risk for delirium or Alzheimer's disease may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved understanding and treatment strategies for patients at risk of developing Alzheimer's disease after surgery.

How similar studies have performed: Previous research has shown promise in using nonhuman primate models for studying neurological conditions, indicating potential success for this approach.

Where this research is happening

Boston, 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.
Conditions Alzheimer disease dementiaAlzheimer syndromeAlzheimer's Disease
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.