Stimulating the brain's norepinephrine center (locus coeruleus) to slow Alzheimer's changes

The effects of long-term locus coeruleus stimulation on amyloid/tau pathology, synaptic plasticity, and memory during Alzheimer's disease progression

NIH-funded research Columbia Univ New York Morningside · NIH-11262939

This work looks at whether regularly activating a small brain center that makes norepinephrine can reduce Alzheimer's protein buildup and help memory in people with Alzheimer's.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionColumbia Univ New York Morningside NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-11262939 on NIH RePORTER

What this research studies

Researchers use mouse models that mimic the amyloid and tau changes seen in Alzheimer's to test long-term activation of the locus coeruleus, the brain's main source of norepinephrine. They will apply chemogenetic tools to stimulate the locus coeruleus over extended periods and use retrograde, Cre-dependent viral methods to selectively remove or manipulate LC inputs in some experiments. Brain tissue will be analyzed with immunohistology to measure amyloid and tau, synaptic plasticity will be assessed with physiological tests, and memory will be measured using behavioral tasks. The project ties LC activity to inflammation, amyloid clearance, synaptic health, and cognitive outcomes across disease progression.

Who could benefit from this research

Good fit: This is preclinical research in mice so no patients are being enrolled now; future human trials would likely seek people with early Alzheimer's disease or mild cognitive impairment.

Not a fit: Patients with very advanced Alzheimer's disease or those whose symptoms are unrelated to locus coeruleus degeneration may be less likely to benefit.

Why it matters

Potential benefit: If successful, this approach could point to new therapies that reduce amyloid/tau buildup and help preserve memory in Alzheimer's disease.

How similar studies have performed: Previous studies indicate norepinephrine can influence inflammation and amyloid clearance, but long-term locus coeruleus stimulation as a therapeutic strategy is largely untested.

Where this research is happening

New York, 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.