Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 1, 2026, 3:00 PM EDT

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Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

Dinner Time 2: Effect of Delayed Eating or Sleeping on Metabolism

NCT04671797
Conditions
Healthy
Interventions
Early dinner, Late Dinner, Late Dinner + Late Sleep
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 30 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Multiple Dose Study Of BIIB118 (PF-05251749) In Healthy Volunteers

NCT02691702
Conditions
Healthy Adult Subjects, Healthy Elderly Subjects
Interventions
BIIB118, Melatonin
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 85 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
South Miami, Florida
Conditions
Delayed Sleep Phase Syndrome
Interventions
Melatonin 0.5 MG, Dim Light Melatonin Onset (salivary)
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Recruiting Not applicable Interventional Accepts healthy volunteers

Dinner Time for Obesity and Prediabetes

NCT05745441
Conditions
PreDiabetes, Obesity, Healthy
Interventions
Early Dinner, Late Dinner, Early Dinner tracer, Late Dinner tracer
Behavioral · Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
2
States / cities
Baltimore, Maryland • Bethesda, Maryland
Conditions
Sleep Disorders, Circadian Rhythm, Circadian Rhythm Disorders, Circadian Rhythm Sleep Disorder, Advanced Sleep Phase Syndrome (ASPS), Delayed Sleep Phase Syndrome, Sleep Wake Disorders, Sleep Disorder
Interventions
dim light melatonin onset (DLMO)
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Not yet recruiting Not applicable Interventional

Circadian Light Exposure Adjustment for Restfulness

NCT07391852
Conditions
Sleep Onset Latency
Interventions
Amber Tinted Glasses, Clear Glasses, Smart Lightbulbs
Device
Lead sponsor
University of Arizona
Other
Eligibility
60 Months to 83 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Shift-work Disorder
Interventions
Active phototherapy, Control phototherapy, Cognitive Behavioral Therapy (CBT), Sleep education control
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Novi, Michigan
Not listed Not applicable Interventional Accepts healthy volunteers

Circadian Time Restricted Eating

NCT05628012
Conditions
Circadian Rhythm, Cardiometabolic Health, Weight Loss, Cardiovascular Health, Time Restricted Feeding
Interventions
Circadian Based Time Restricted Eating
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 40 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Role of the Circadian System in Binge Eating Disorder

NCT04724668
Conditions
Binge-Eating Disorder, Circadian Rhythm Disorders
Interventions
Melatonin (3hrs before DLMO), Placebo (3hrs before DLMO), Morning light version 1, Morning light version 2
Dietary Supplement · Device
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 50 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Mason, Ohio