Clinical Trials Finder
Independent ClinicalTrials.gov directory
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 May 21, 2026, 11:59 PM EDT

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

Showing 1–24 of 134 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Chronobiology Disorders Clear all
Terminated Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Anemia, Sickle Cell, Sickle Cell Disease, Kidney Disease, Hypertension, Proteinuria
Interventions
Losartan
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
5 Years to 25 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced May 21, 2026, 11:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Vaccine Response, Sleep, Circadian Rhythm Disorders
Interventions
Melatonin, Phillips Actiwatch Spectrum Plus
Dietary Supplement · Device
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 64 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Hypertension
Interventions
Morning meal challenge, Evening meal challenge
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Chronobiology Disorders, Circadian Rhythm Disorders, Sleep Disorders, Circadian Rhythm
Interventions
light exposure
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 30 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Delayed Sleep-Wake Phase Disorder
Interventions
Amber Glasses, Clear Lens Glasses
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
14 Years to 17 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
2
States / cities
Chicago, Illinois • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Sleep Disorders
Interventions
Circadin 2/5/10 mg, Placebo
Drug
Lead sponsor
Neurim Pharmaceuticals Ltd.
Industry
Eligibility
2 Years to 17 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
18
States / cities
Phoenix, Arizona • Miami Lakes, Florida • Orange City, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2024 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sleep, Circadian Rhythm Disorders, Dietary Habits
Interventions
Sleep Extension (Early), Sleep Extension (Late)
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
14 Years to 18 Years
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity, Hypertension, Circadian Dysregulation, Salt; Excess
Interventions
Oral sodium supplementation
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
25 Years to 45 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Smith-Magenis Syndrome, Circadian
Interventions
tasimelteon, placebo
Drug
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
3 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
4
States / cities
Santa Monica, California • Baltimore, Maryland • Chevy Chase, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2022 · Synced May 21, 2026, 11:59 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sleep Disorders, Circadian Rhythm
Interventions
Melatonin, Placebo
Dietary Supplement · Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Non-24 Hour Sleep-Wake Disorder, Blindness
Interventions
melatonin (Circadin), placebo
Drug
Lead sponsor
Neurim Pharmaceuticals Ltd.
Industry
Eligibility
20 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 8, 2009 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sleep Disorders, Sleep Apnea, Obstructive, Restless Legs Syndrome, Sleep Disorders, Circadian Rhythm, Sleep Initiation and Maintenance Disorders
Interventions
Sleep Hygiene Education, Expert-Led Sleep Disorders Screening and Treatment, Online Sleep Disorders Screening
Behavioral · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
683 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 14, 2013 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Shift-Work Sleep Disorder
Interventions
eszopiclone, matching placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
20 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced May 21, 2026, 11:59 PM EDT
Recruiting Not applicable Interventional
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 Feb 26, 2026 · Synced May 21, 2026, 11:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Circadian Rhythm Sleep Disorder, Jet Lag Type
Interventions
Bright Light, Bright Light + Exercise + Melatonin, Control
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced May 21, 2026, 11:59 PM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Huntington's Disease, Parkinson's Disease, Dementia With Lewy Bodies, Sleep Disorders, Circadian Dysregulation
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2012 · Synced May 21, 2026, 11:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Sleep Apnea Syndromes, Insomnia, Insufficient Sleep Syndrome, Circadian Rhythm Disorders
Interventions
Not listed
Lead sponsor
Dayzz Live Well Ltd.
Industry
Eligibility
21 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 21, 2020 · Synced May 21, 2026, 11:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Depression, Bipolar, Depression, Unipolar, Healthy
Interventions
Monitoring test
Other
Lead sponsor
Medibio Limited
Industry
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sleep, Circadian Dysregulation, Mood
Interventions
Light
Device
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Shift-Work Sleep Disorder
Interventions
Sleep Enhancement Training System, NIOSH shiftwork booklet
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2010 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Sleep Disorder, Shift-Work
Interventions
Suvorexant, Placebo
Drug
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
20 Years to 60 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Delayed Sleep Phase Syndrome
Interventions
Lemborexant, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced May 21, 2026, 11:59 PM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Excessive Sleepiness, Shift-work Disorder
Interventions
Solriamfetol 150 mg, Solriamfetol 300 mg, Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
38
States / cities
Cullman, Alabama • Chandler, Arizona • Tucson, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Critical Illness, Sleep Deprivation, Respiratory Failure, Sleep Disorders, Circadian Rhythm
Interventions
Sleep and circadian rhythm promotion, Usual care
Behavioral
Lead sponsor
Brian Gehlbach
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
2
States / cities
Chicago, Illinois • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced May 21, 2026, 11:59 PM EDT