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The Long-term Impact of a Light Intervention on Sleep and Cognition in Mild Cognitive Impairment

CompletedNA

Sponsor: Icahn School of Medicine at Mount Sinai

Conditions: Mild Cognitive Impairment, Alzheimer's Disease

Interventions: Lighting Intervention

Countries: United States

To investigate the impact of a long-term light treatment intervention on sleep physiology and memory in mild cognitively impaired and mild Alzheimer's disease patients living at home. The goal is also to measure the impact of the lighting intervention on caregivers' sleep, cognition, depression, and quality of life.

Eligibility overview

Sex: ALL

Age: 50 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria for MCI/Mild AD Participant:

* Subject has diagnosis of amnestic mild cognitive impairment (MCI) or mild Alzheimer's disease (AD), as defined by a Montreal Cognitive Assessment (MoCA) score between 17 and 24 and those who fall between 0.5-4.0 and 4.5-9.0 in the Clinical Dementia Rating Scale Sum of Boxes (CDR-SOB) instrument
* Subject has sleep disturbance indicated by a score \>5 on the Pittsburgh Sleep Quality Index and sleep efficiency below 80% as indicated via actigraphy
* Subject resides in his/her home, independent living, or assisted living facilities with a caregiver.

Exclusion Criteria for MCI/Mild AD Participant:

* Subject diagnosed with another brain disease that fully explains the dementia (extensive brain vascular disease, Parkinson's disease, dementia with Lewy bodies, traumatic brain injury, or multiple sclerosis)
* Subject resides in a skilled nursing facility or long-term care
* Subject has had recent changes in psychotropics (14 days)
* Subject has major organ failure (e.g., kidney failure)
* Subject has uncontrolled generalized disorders such as hypertension or diabetes
* Subject has obstructing cataracts, macular degeneration, and/or blindness
* Subject has undergone cataract surgery and received an intraocular lens coated with ultraviolet- and blue-blocking filters (400-440/440-500 nm)
* Subject diagnosed with severe sleep apnea; using the Sleep Apnea scale of the Sleep Disorders Questionnaire (SA-SDQ) the study will use a score of 29 as a cutoff for men and a cutoff of 26 for women
* Subject diagnosed with restless leg syndrome (RLS); using the International Restless Legs Scale (IRLS), the study will use a cutoff of ≥11 as a positive screen for RLS
* Subject has a history of severe photosensitivity dermatitis, severe progressive retinal disease (e.g., macular degeneration), or a permanently dilated pupil (e.g., after certain types of cataract surgery)

For caregivers, we will accept those who:

* Live with the patients
* Are not diagnosed with dementia (MOCA between 25 and 30 and CDR=0)
* Understand English
* Are willing to help with the study
* No other inclusion/exclusion criteria will be used for enrolling caregivers. There is no age requirement for caregivers.

Locations (2)

Albany, New York, United States
New York, New York, United States