Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 20, 2026, 6:40 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Circadian Misalignment Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Cardiovascular Risk and Circadian Misalignment in Short Sleepers - Role of Extended Eating Period

NCT06070194
View directory record Official record
Conditions
Sleep Deprivation
Interventions
Time restricted eating (TRE)
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Teen Sleep and Light Study

NCT04921215
View directory record Official record
Conditions
Chronobiology, Light, Sleep, Circadian Rhythm, Adolescence
Interventions
Morning bright light
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
14 Years to 17 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interaction of Chronic Sleep Restriction and Circadian Misalignment on Sleep and Neuro-cognitive Performance

NCT00438438
View directory record Official record
Conditions
Healthy
Interventions
forced desynchrony protocol with sleep restriction
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 1, 2011 · Synced Jul 20, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional

Mind After Midnight

NCT07438912
View directory record Official record
Conditions
Suicidal Ideation, Circadian Rhythm Disorders, Sleep Deprivation, Sleep Wake Disorders
Interventions
Sleep Pressure Manipulation
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Completed No phase listed Observational

Investigating the Relationship Between Glycemia and Sleep in Adults With Cystic Fibrosis-Related Diabetes

NCT06700889
View directory record Official record
Conditions
Cystic Fibrosis Related Diabetes, Hyperglycaemia, Insomnia, Cardiometabolic Diseases, Circadian Rhythm Disorders
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 79 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Results available

Feasibility Pilot of Bright Light in the Intensive Care Unit

NCT03568045
View directory record Official record
Conditions
Circadian Rhythm Sleep Disorder, Unspecified
Interventions
standard light, 10,000 lux bright light, 4 hours, 10,000 lux bright light, 8 hours
Device
Lead sponsor
Yale University
Other
Eligibility
50 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 16, 2024 · Synced Jul 20, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Circadian Misalignment and Energy Balance

NCT03663530
View directory record Official record
Conditions
Obesity
Interventions
Meal times
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 49 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Development of Countermeasures Against Adverse Metabolic Effects of Shift Work

NCT02291952
View directory record Official record
Conditions
Circadian Dysregulation
Interventions
Meal schedule
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Impact of Circadian Misalignment on Colonic Barrier Homeostasis in Ulcerative Colitis

NCT05180279
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
7-day sleep lab
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional

A Randomized Crossover Trial of Bright Light Therapy in Irritable Bowel Syndrome

NCT06676488
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS), Circadian Misalignment
Interventions
Re-Timer glasses, Placebo Device
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Sleep Loss and Circadian Misalignment - Mechanisms of Insulin Resistance

NCT07494084
View directory record Official record
Conditions
Shift Work Schedule, Circadian Rhythm, Insulin Resistance, Circadian Misalignment
Interventions
Metyrapone And Hydrocortisone, Dextrose, insulin
Drug
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep/Wake Cycle and Depression: An Imaging and Treatment Study

NCT04350567
View directory record Official record
Conditions
Depression; Major Depressive Disorder
Interventions
Sleep Deprivation
Other
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 100 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Jul 20, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional

Reestablishing Sleep and Circadian Alignment in Medical Intensive Care Unit (MICU) Patients Via a Mechanistic RCT of an Sleep Chronobundle

NCT05551325
View directory record Official record
Conditions
Critical Illness, Sleep Deprivation, Circadian Rhythm Sleep Disorder, Unspecified
Interventions
Chronobundle - light, chronobundle - feeding, chronobundle - mobility, chronobundle - sleep
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Does Circadian Misalignment Have Sex-Specific Effects on Metabolism?

NCT07441265
View directory record Official record
Conditions
Circadian Misalignment, Sex Differences
Interventions
Day shift, Night shift
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Countermeasures to Circadian Misalignment

NCT04966351
View directory record Official record
Conditions
Circadian Rhythm Sleep Disorder of Shift Work Type, Metabolic Disease, Insulin Sensitivity
Interventions
Time-restricted feeding, Circadian Misalignment
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 35 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Jul 20, 2026, 6:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Nighttime Synchrony of Your Nutrition and Circadian Health

NCT07329283
View directory record Official record
Conditions
Sleep, Metabolism Changes, Circadian Rhythm, Lifestyle Factors, Sleep Hygiene, Sleep Hygiene, Inadequate, Sleep Deprivation, Insufficient Sleep, Circadian Misalignment, Circadian Dysregulation, Light Exposure
Interventions
Central Clock Misalignment, Peripheral Misalignment
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Sleep and Circadian Contributions to Nighttime Blood Pressure

NCT05656768
View directory record Official record
Conditions
Sleep, Circadian Rhythm, Blood Pressure, Hypertension
Interventions
Constant Routine Protocol
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
1,427 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Completed No phase listed Observational

Circadian Misalignment in Inflammatory Bowel Disease

NCT04637399
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Crohn Disease, Ulcerative Colitis
Interventions
Not listed
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional

Use of Consumer Sleep Technology to Treat Shift Work Disorder

NCT05186233
View directory record Official record
Conditions
Shift-work Disorder
Interventions
Phototherapy
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Novi, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 7, 2025 · Synced Jul 20, 2026, 6:40 PM EDT
Not yet recruiting Not applicable Interventional

Aerobic Exercise as a Countermeasure for Night Shift Associated Circadian Misalignment

NCT07668622
View directory record Official record
Conditions
Healthy, Circadian Misalignment
Interventions
Exercise
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Not yet recruiting Not applicable Interventional

Impact of Short and Mistimed Sleep on Adolescents With ADHD: The Adolescent Attention and Circadian Timing Study

NCT07684417
View directory record Official record
Conditions
ADHD
Interventions
Aligned sleep extension, Misaligned sleep extension
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
13 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 20, 2026, 6:40 PM EDT
Completed Not applicable Interventional

Daytime Bright Light, Circadian Abnormalities, and Delirium in Medical ICU Patients

NCT03684460
View directory record Official record
Conditions
Circadian Rhythm Disorders
Interventions
Daytime Bright Light, Usual Light
Device
Lead sponsor
Yale University
Other
Eligibility
50 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Jul 20, 2026, 6:40 PM EDT