Dose-dependent Impact of Daytime Lighting on Evening Responses to Light
NCT ID: NCT04882280
Last Updated: 2022-03-17
Study Results
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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UNKNOWN
NA
48 participants
INTERVENTIONAL
2022-07-31
2024-07-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
BASIC_SCIENCE
DOUBLE
Study Groups
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Low room
Low intensity (80 lux) room light
Light
10 hours of light exposure during the daytime, starting 2 hours after habitual wake time
Normal room
Normal intensity (150 lux) room light
Light
10 hours of light exposure during the daytime, starting 2 hours after habitual wake time
Bright room
High intensity (500 lux) room light
Light
10 hours of light exposure during the daytime, starting 2 hours after habitual wake time
Bright
Very high intensity (1000 lux) room light
Light
10 hours of light exposure during the daytime, starting 2 hours after habitual wake time
Interventions
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Light
10 hours of light exposure during the daytime, starting 2 hours after habitual wake time
Eligibility Criteria
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Inclusion Criteria
2. Good health
3. Male or female
4. Normal color vision
Exclusion Criteria
2. Extreme chronotypes
3. Routine smoker
4. Significant hearing loss
5. Depressed
6. Alcohol use disorder
7. Use of illegal drugs
18 Years
65 Years
ALL
Yes
Sponsors
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Palo Alto Veterans Institute for Research
OTHER
Responsible Party
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Jamie M. Zeitzer, Ph.D.
Associate Professor
Locations
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VA Palo Alto Health Care System
Palo Alto, California, United States
Countries
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Central Contacts
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Other Identifiers
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Reverse DRC
Identifier Type: -
Identifier Source: org_study_id
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