Bright Light Therapy for Individuals With Dementia

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

71 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-07-31

Study Completion Date

2014-07-31

Brief Summary

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Many older adults with dementia living in long-term care facilities experience depression and agitation, which cause angst and personal suffering. Prior to this research, evidence was inconclusive but indicated that bright light exposure may reduce depression and agitation in long-term care residents with dementia. The purpose of this study was to determine if the degree of improvement in depression and agitation scores over the course of eight weeks was significantly greater in persons with dementia receiving bright light exposure than in persons with dementia receiving placebo light exposure. Sixty individuals participated in the study, with 30 in the bright light group and 30 in the low level light group.

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Detailed Description

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Conditions

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Dementia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Investigators Outcome Assessors

Study Groups

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Bright Light Group

Bright Light Exposure

Group Type EXPERIMENTAL

Bright Light

Intervention Type BEHAVIORAL

Control Group

Placebo Light Exposure

Group Type PLACEBO_COMPARATOR

Placebo Light

Intervention Type BEHAVIORAL

Interventions

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Bright Light

Intervention Type BEHAVIORAL

Placebo Light

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

Inclusion criteria were age 60 or older; diagnosis of dementia; ophthalmology screening indicating that the individual was able to perceive light and did not have cataracts, glaucoma, macular degeneration, or retinal problems; able to sit up and keep eyes open; and not too restless to sit for 30 minutes.

Exclusion criteria were age 59 or younger; no diagnosis of dementia; presence of cataracts, glaucoma, macular degeneration, or retinal problems; unable to sit up and keep eyes open; and too restless to sit for 30 minutes.

Minimum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No