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Clinical Trial Summary

The trial takes place in 4 psychiatric closed wards at Ny Psykiatri Bispebjerg. The objective is to compare, retrospectively, over two consecutive winter periods (2022 and 2023) the effect of the lighting on the duration of stay of the patients. During the first winter, a standard lighting is used, and, during the second winter, the lighting will be modified to favor a greater light intensity in blue wave color light in the morning and a gradual decrease in light intensity in the evening adjusted for geographical orientation of the patients' rooms.


Clinical Trial Description

Light has benefits in many pathologies, especially in psychiatry and sleep disorders. It is the most powerful Zeitgeber, allowing a drive of the sleep-wake rhythm. But what are the "doses or quantities" of light necessary for humans to stimulate circadian regulation? And how is it possible to promote better people's exposure to this amount of light during winter (especially in Nordic countries where daily light exposure during winter is particularly reduced: 8 hours on average)? At the Bispebjerg Hospital, following the installation of LED lighting, a dynamic system favoring a greater light intensity in blue wave color light in the morning and a gradual decrease in light intensity in the evening adjusted for geographical orientation of the patients' rooms is evaluated. This device was effective on anxious and depressive symptoms for patients hospitalized after a stroke. Here, we'll study the effect the light may have on patients in psychiatric closed wards. Moreover, we'll assess the users' satisfaction and the energy consumption of the system. If the described intervention is associated with a reduction in the duration of stay of the patients in the ward as well as with a general satisfaction of the users and that it consumes much less energy, one could think of the installation of this system on a large scale not only in hospitals but also in schools or other public buildings where it could be interesting to have this adapted lighting. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05868291
Study type Observational
Source Mental Health Services in the Capital Region, Denmark
Contact
Status Active, not recruiting
Phase
Start date November 21, 2022
Completion date April 1, 2025

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