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ClinicalTrials.gov public records Last synced May 21, 2026, 11:24 PM EDT

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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Circadian Rhythm Sleep-Wake Disorders, Shift Work Type Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Circadian Rhythm Sleep-Wake Disorders, Shift Work Type, Sleep Initiation and Maintenance Disorders
Interventions
CBTI, MRTI
Behavioral
Lead sponsor
Oregon State University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced May 21, 2026, 11:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Osteoporosis, Circadian Rhythm Sleep Disorder, Shift Work Type
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 50 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced May 21, 2026, 11:24 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS), Advanced Sleep Phase Syndrome, Advanced Sleep Phase, Delayed Sleep Phase, Delayed Sleep Phase Syndrome, Non-24 Hour Sleep-Wake Disorder, Irregular Sleep-Wake Syndrome
Interventions
Short Nap Intervention, No Nap Intervention
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced May 21, 2026, 11:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Osteoporosis, Circadian Rhythm Sleep Disorder, Shift Work Type
Interventions
Simulated short term night shift work schedule
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced May 21, 2026, 11:24 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Shift Work Type Circadian Rhythm Sleep Disorder, Insomnia, Psychophysiological
Interventions
Shift Worker Intervention for Sleep Health
Behavioral
Lead sponsor
Oregon State University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced May 21, 2026, 11:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Inflammation, Sleep Deprivation, Circadian Rhythm Sleep Disorder, Shift Work Type, Smoke Inhalation
Interventions
Sleep Restriction, Normal Sleep
Behavioral
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 44 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced May 21, 2026, 11:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Shift Work Type Circadian Rhythm Sleep Disorder, Diabetes Mellitus, Type 2, Circadian Rhythm Sleep Disorder, Shift Work Type, Insulin Resistance
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced May 21, 2026, 11:24 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS), Advanced Sleep Phase Syndrome, Advanced Sleep Phase, Delayed Sleep Phase, Delayed Sleep Phase Syndrome, Non-24 Hour Sleep-Wake Disorder, Irregular Sleep-Wake Syndrome, Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Delayed Phase Sleep Syndrome
Interventions
sleep-wake timing, constant routine
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced May 21, 2026, 11:24 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA), Insomnia, Restless Leg Syndrome (RLS), Hypersomnia Type; Sleep Disorder, Shift Work Sleep Disorders
Interventions
Sleep VS
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Fontana, California
Source: ClinicalTrials.gov public record
Updated Jul 5, 2022 · Synced May 21, 2026, 11:24 PM EDT