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 Sep 26, 2026, 5:31 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Circadian Intervention Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Strengthening Circadian Signals

NCT03490864
View directory record Official record
Conditions
Improving Cardiometabolic Outcomes in Adults
Interventions
Melatonin 1 mg, Placebos, Meal Timing, NON Meal Timing
Dietary Supplement · Other
Lead sponsor
Northwestern University
Other
Eligibility
35 Years to 54 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Sep 26, 2026, 5:31 AM EDT
Not yet recruiting Not applicable Interventional

Early Time-Restricted Eating for Cardiovascular Health

NCT07634926
View directory record Official record
Conditions
Hypertension, Breakfast Skipper
Interventions
Early Time-Restricted Eating (eTRE)
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Not applicable Interventional

Sleep Intervention in Young Boys with Duchenne Muscular Dystrophy

NCT04529707
View directory record Official record
Conditions
Duchenne Muscular Dystrophy
Interventions
Transdiagnostic Behavioral Sleep Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
6 Years to 18 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Sep 26, 2026, 5:31 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Sleep and Circadian Treatments for Shift Workers

NCT03813654
View directory record Official record
Conditions
Shift-Work Sleep Disorder, Shift-Work Related Sleep Disturbance
Interventions
8-h Afternoon-Evening Sleep, 8-h Free Sleep
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Sep 26, 2026, 5:31 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Relationships Among Pupil Responses to Light, Circadian Rhythms, and Sleep

NCT07753889
View directory record Official record
Conditions
Circadian Rhythm, Pupillometry, Sleep
Interventions
Ocular light exposure from portable light box
Other
Lead sponsor
Elizabeth B Klerman MD PhD
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2035
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Improving Sleep Health Outcomes for Family Caregivers

NCT07513246
View directory record Official record
Conditions
Family Caregivers, Sleep
Interventions
Family Caregiver Transdiagnostic Intervention for Sleep and Circadian Dysfunction
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Sleep Health in Nurses

NCT05965609
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 Sep 26, 2026, 5:31 AM EDT
Completed Not applicable Interventional

Methodology Issues in a Tailored Light Treatment for Persons With Dementia - Aim 2

NCT05837819
View directory record Official record
Conditions
Alzheimer's Disease, Sleep Disturbance
Interventions
Active Lighting Intervention, Control Lighting Intervention
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
65 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Albany, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Sleep Health in U.S. Marines

NCT07420205
View directory record Official record
Conditions
Depression, Suicidality, Sleep
Interventions
Sleep Leadership, Circadian, Light, and Sleep Skills in Shipboard Military (CLASS-MC) Personnel Program, Insomnia Coach
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
18 Years and older
Enrollment
860 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Bariatric Surgery on Adipocyte Metabolism

NCT04242524
View directory record Official record
Conditions
Metabolic Syndrome, Obesity
Interventions
Circadian Clock Alignment, Circadian Clock Control
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Recruiting Not applicable Interventional

The Acute T-Rex (Timing of Resistance Exercise) Study

NCT06366399
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Insulin Resistance, Glucose Intolerance, Sleep Disturbance, Overweight or Obesity, Insulin Sensitivity
Interventions
Resistance Exercise Timing
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
50 Years to 74 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Sep 26, 2026, 5:31 AM EDT
Not yet recruiting Phase 2 Interventional

Deep Sleep in Older Adults

NCT07316153
View directory record Official record
Conditions
Insomnia, Insomnia Chronic
Interventions
CBT-I-IoT-AI, SleepEZ CBTi, Sleep Hygiene IoT
Behavioral
Lead sponsor
Proactive Life Inc
Industry
Eligibility
65 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 4, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Not applicable Interventional

7T MRI for Light Therapy in Patients With Mild Cognitive Impairment and Mild AD

NCT05596994
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Lighting Intervention Therapy, Sham LIT
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 28, 2025 · Synced Sep 26, 2026, 5:31 AM EDT
Recruiting Not applicable Interventional

Recovering Sleep After Trauma

NCT07196332
View directory record Official record
Conditions
Post-traumatic Stress Disorder
Interventions
Brief Behavioral Treatment for Insomnia (BBTI), Progressive Muscle Relaxation Training (PMRT)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multidimensional Measurement of Psychopharmacological Treatment Response

NCT01184235
View directory record Official record
Conditions
Autism Spectrum Disorders, Mood Disorders, Sleep Disorders, Attention Deficit Disorders
Interventions
Pharmacological Intervention
Drug
Lead sponsor
Child Psychopharmacology Institute
Other
Eligibility
6 Months and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Jan 5, 2014 · Synced Sep 26, 2026, 5:31 AM EDT
Completed No phase listed Observational

Study to Explore Natural Daily Variation and Impact of Stress in HIV Levels

NCT02895087
View directory record Official record
Conditions
HIV
Interventions
Diurnal Variation Group, External Stress Group
Other
Lead sponsor
University of Melbourne
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
San Francisco, California • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Not applicable Interventional

The Long-term Impact of a Light Intervention on Sleep and Cognition in Mild Cognitive Impairment

NCT04073628
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Lighting Intervention
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Albany, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Phase 2 Interventional

RECOVER-SLEEP: Platform Protocol

NCT06404086
View directory record Official record
Conditions
Long COVID, Long COVID-19, Hypersomnia, Sleep Disturbance
Interventions
Modafinil, Modafinil Placebo, Solriamfetol, Solriamfetol Placebo, Melatonin, Melantonin Placebo, Tailored lighting (TL) Active, Tailored lighting (TL) Placebo
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
47
States / cities
Phoenix, Arizona • Tucson, Arizona • Palo Alto, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Not applicable Interventional

Time Restricted EATing (TREAT) Pilot Study

NCT03956290
View directory record Official record
Conditions
Overweight and Obesity, Pre Diabetes
Interventions
TREAT pilot intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
45 Years to 73 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 18, 2021 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

The Healthy Patterns Sleep Study

NCT03682185
View directory record Official record
Conditions
Dementia, Alzheimer Disease, Circadian Rhythm Disorders, Circadian Rhythm Sleep Disorder, Insomnia, Hypersomnia, Cognitive Impairment, Cognitive Decline, Mild Cognitive Impairment, Frontotemporal Dementia, Neurocognitive Disorders, Vascular Dementia, Sleep Disorder, Memory Impairment
Interventions
Attention-Control Condition, Timed Activity Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 110 Years
Enrollment
421 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Approaches for Cardiometabolic Health

NCT03527290
View directory record Official record
Conditions
Obesity, Abdominal, Dyslipidemias, Insulin Resistance, Blood Pressure, Weight Loss
Interventions
Time Restricted Eating, Standard Cardiometabolic Health Diet
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
22 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Mar 28, 2021 · Synced Sep 26, 2026, 5:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Methodology Issues in a Tailored Light Treatment for Persons With Dementia

NCT01816152
View directory record Official record
Conditions
Sleep Disturbances, Depression
Interventions
High Active intervention, Inactive intervention, Mid Level Active Intervention
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
65 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Albany, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Recruiting Not applicable Interventional

A Pilot of a Personalized Circadian mHealth to Improve Sleep in Night Shift Workers

NCT06809335
View directory record Official record
Conditions
Shift Work Sleep Disorder
Interventions
Personalized circadian mHealth
Other
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Novi, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 26, 2026, 5:31 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Testing the Effectiveness of an Intervention That Aligns Circadian Rhythm With Daily Activities on Student Flourishing

NCT07410585
View directory record Official record
Conditions
Chronotypes and Health
Interventions
Use of Owaves App
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 26, 2026, 5:31 AM EDT