Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 12, 2026, 11:53 PM EDT

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Showing 145–154 of 154 matching trials from the live ClinicalTrials.gov search.
Conditions
Pregnancy, Prolonged
Interventions
Time of labor induction
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
14 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Fresno, California
Conditions
Feeding Patterns, Sleep, Glucose Intolerance
Interventions
Time-of-day of enteral nutrition provision (daytime first), Time-of-day of enteral nutrition provision (nighttime first)
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Sleep Disorders, Circadian Rhythm, Pain, Rehabilitation, Mood Lability
Interventions
Re-section of a large left anterior cranial fossa meningioma
Procedure
Lead sponsor
Child Psychopharmacology Institute
Other
Eligibility
21 Years to 75 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fargo, North Dakota
Completed No phase listed Observational Accepts healthy volunteers

The Impact of Night Float on Anesthesiology Resident Sleep Patterns

NCT03325244
Conditions
Sleep Disorders, Circadian Rhythm
Interventions
EEG monitor, FitBit
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Charlottesville, Virginia
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Does Fatigue Coaching Improve Functioning and Fatigue in Resident Night Shifts

NCT06100809
Conditions
Fatigue, Shift Work Type Circadian Rhythm Sleep Disorder
Interventions
Personalized coaching, Nutrition handout
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm, Chronobiology Disorders
Interventions
Tasimelteon, Placebo
Drug
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
11
States / cities
Los Angeles, California • Redwood City, California • Aurora, Colorado + 8 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder

NCT06471374
Conditions
Delayed Sleep Phase Syndrome, Delayed Sleep Phase
Interventions
Circadian rhythm assessment, Light sensitivity assessment
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
16 Years to 40 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Boulder, Colorado • Chicago, Illinois
Completed No phase listed Observational Accepts healthy volunteers

Effects of Sex Hormones on Circadian Rhythm in Men and Women

NCT00001285
Conditions
Bipolar Disorder, Circadian Rhythm, Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Female only
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1991 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Hypertension, Cardiovascular Diseases, Cardiovascular Risk Factors, Circadian Rhythms, Sleep
Interventions
At-home Polysomnography, Circadian Protocol, Rested Wakefulness Trial, Overnight Sleep Trial, Regularized Sleep Schedule
Other · Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
25 Years to 64 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Pain, Back, Pain, Acute, Sleep Disorder, Sleep Disorders, Circadian Rhythm, Sleep, Sleep Deprivation, Insomnia
Interventions
Drug- free, non-invasive patch (FREEDOM or REM Patch) with haptic vibrotactile trigger technology (VTT) Other Names:, Sham Patch without haptic vibrotactile trigger technology (VTT)
Device
Lead sponsor
SuperPatch Limited LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Tyrone, Georgia