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Clinical Trial Summary

This study is designed to test the hypothesis that an intervention increasing exposure to daylight indoors will reduce depression and other neuropsychiatric symptoms among people living with dementia in long term care facilities.


Clinical Trial Description

Exposure to sufficient daylight indoors is a novel and potentially effective nonpharmacological treatment option for reducing depression and other neuropsychiatric symptoms for people living with dementia in long term care facilities. However, there are currently no minimum requirements for daylight access in care facilities. In urban settings, it is common for residents to spend the majority of the day indoors, illuminated by electrical light sources that deliver light with significantly lower intensities and reduced spectrum compared with daylight.

A 12-week pilot study was conducted in 8 dementia care facilities involving (n = 83) participants addressing the hypothesis that an intervention increasing indoor exposure to daylight will reduce depression and other neuropsychiatric symptoms. At 4 facilities, staff was enlisted to increase daylight exposure by taking participants to a perimeter room with daylight exposure for socialization in the morning (8:00 - 10:00 AM) each day. At the other 4 facilities, a control group were taken to a similar sized area without daylight for socialization under typical electrical lighting conditions. Outcome measures for depression and other neuropsychiatric symptoms were taken at the beginning and end of the 12-week study. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03483896
Study type Interventional
Source University of Southern California
Contact
Status Completed
Phase N/A
Start date January 30, 2017
Completion date June 5, 2017

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