Understanding the brain circuits involved in nighttime agitation in Alzheimer's disease

The circuit basis of sundowning-related circadian dysfunction in Alzheimer's disease and Alzheimer's disease-related dementias

NIH-funded research University of Wyoming · NIH-10933533

This study is looking at how changes in the brain's natural sleep-wake cycle can cause increased restlessness and confusion in people with Alzheimer's and similar conditions, hoping to find ways to help manage these nighttime issues.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Wyoming NIH-funded
Lab location1 site (Laramie, United States)
Project IDNIH-10933533 on NIH RePORTER

What this research studies

This research investigates how disruptions in the brain's circadian rhythms contribute to behavioral issues, such as agitation and aggression, in patients with Alzheimer's disease and related dementias. By studying the master circadian pacemaker in the brain, researchers aim to uncover the mechanisms that lead to 'sundowning,' a phenomenon where patients exhibit increased restlessness and confusion during the late afternoon and evening. The study utilizes a mouse model to explore how these circadian disruptions affect behavior and may lead to potential interventions. Patients may benefit from insights that could improve management strategies for nighttime disturbances.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals diagnosed with Alzheimer's disease or related dementias who experience symptoms of sundowning.

Not a fit: Patients without Alzheimer's disease or related dementias, or those who do not experience circadian rhythm disruptions, may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better management of nighttime agitation in Alzheimer's patients, improving their quality of life.

How similar studies have performed: Previous research has shown that understanding circadian rhythms can lead to significant improvements in managing behavioral symptoms in dementia patients, suggesting a promising avenue for this investigation.

Where this research is happening

Laramie, 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 dementia
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.