Investigating how light affects sleep and cognition in Alzheimer's patients

Methodology Issues in a Tailored Light Treatment for Persons With Dementia - Aim 3

Not applicable Interventional Icahn School of Medicine at Mount Sinai · NCT06595030

This study is testing if a special lighting treatment can help improve sleep and thinking skills in people with Alzheimer's disease who have trouble sleeping.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment100 (estimated)
Ages55 Years and up
SexAll
SponsorIcahn School of Medicine at Mount Sinai Academic / other
Locations2 sites (Menands, New York and 1 other locations)
Trial IDNCT06595030 on ClinicalTrials.gov

What this trial studies

This study aims to explore the long-term effects of a tailored lighting intervention on sleep, cognition, circadian markers, mood, and behavior in patients with Alzheimer's disease and related dementias. It is a single-arm, randomized, placebo-controlled trial involving 100 participants who will receive either the active lighting intervention or a placebo for a duration of six months. The study focuses on patients diagnosed with Alzheimer's or mild cognitive impairment who also experience sleep disturbances.

Who should consider this trial

Good fit: Ideal candidates include individuals diagnosed with Alzheimer's disease or related dementia who have sleep disturbances.

Not a fit: Patients with extensive brain vascular disease, traumatic brain injury, or those using sleep medications may not benefit from this study.

Why it matters

Potential benefit: If successful, this intervention could improve sleep quality and cognitive function in patients with Alzheimer's disease.

How similar studies have performed: Other studies have shown promising results with light interventions in improving sleep and cognitive function, suggesting potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosis of Alzheimer's disease or related dementia with a Montreal Cognitive Assessment score \<25
* Sleep disturbance with a Pittsburgh Sleep Quality Index score ≥5

Exclusion Criteria:

* Extensive brain vascular disease, traumatic brain injury, multiple sclerosis, Parkinson's Disease
* Obstructing cataracts
* Severe macular degeneration
* Use of sleep medication
* Use of oral melatonin
* untreated moderate to severe sleep apnea
* Severe restless leg syndrome - Blindness

Where this trial is running

Menands, New York and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Alzheimer's DiseaseMild Cognitive Impairment
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.