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Showing 25–38 of 14 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Melatonin Levels in Smith Magenis Syndrome (SMS)

NCT00691574
Conditions
Chromosome Disorders
Interventions
Melatonin, Enviro-light artificial light box
Dietary Supplement · Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
3 Years to 85 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Recruiting Not applicable Interventional Accepts healthy volunteers

SCREENS: Sleep, Circadian Rhythms, and Electronics in the EveNing Study

NCT06192745
Conditions
Sleep, Circadian Rhythm, Executive Function, Emotion Regulation
Interventions
no screen control with dim light and calming activities, unfiltered Bright tablet screen, Filtered dim tablet screen, Exciting content, Calming Content
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
8 Years to 11 Years
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 3 Interventional Accepts healthy volunteers Results available

The Healthy Patterns Sleep Study

NCT03682185
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
Conditions
Multiple Myeloma
Interventions
Circadian Effective Lighting, Circadian Ineffective Lightning (CIL)
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
New York, New York
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
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
Conditions
Attention Deficit Hyperactivity Disorder (ADHD), Sleep, Physical Activity
Interventions
Go/No-Go Task, Delay discounting task, Mirror Tracing Persistence Task, Spatial Span, Stop Signal Task, Flanker task
Behavioral
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
8 Years to 12 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
2
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Role of Photic and Non-photic Time Cues in Resetting Circadian Rhythms

NCT05276739
Conditions
Light Exposure, Meal Timing
Interventions
Bright Light, Time-restricted eating, Dim light, 12-h meal window
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Results available

Sleep and Circadian Rhythms in Mechanically Ventilated Patients

NCT01276652
Conditions
Respiratory Failure, Critical Illness
Interventions
Environmental modification
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Targeting Sleep in Kids With Autism Spectrum Disorder

NCT02755051
Conditions
Autism Spectrum Disorder, Chronic Insomnia
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
6 Years to 12 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Head and Neck Squamous Cell Carcinoma
Interventions
Biospecimen Collection, Counseling, Educational Intervention, Electronic Health Record Review, Medical Device Usage and Evaluation, Questionnaire Administration
Procedure · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Buffalo, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Bright Light on Co-occurring Cancer-related Symptoms in Breast Cancer Survivors

NCT03304587
Conditions
Breast Cancer
Interventions
Polysomnography (PSG), Rectal thermistor 400 Series, Bright blue-green light, Dim red light, Digital foot candle datalogging light meter, Patient-Reported Outcomes Measurement Information System (PROMIS)-Cancer-Fatigue, Patient-Reported Outcomes Measurement Information System (PROMIS)-Sleep Disturbance, Patient-Reported Outcomes Measurement Information System (PROMIS)-Depression, Patient-Reported Outcomes Measurement Information System (PROMIS)-Physical Function, Pittsburgh Sleep Quality Index (PSQI), Center for Epidemiological Studies - Depression, Montreal Cognitive Assessment (MoCA), European Organization for Research and Treatment of Cancer-Quality of Life Questionnaire (EORTC QLQ-C30), Daily Log
Diagnostic Test · Other
Lead sponsor
Michigan State University
Other
Eligibility
21 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
East Lansing, Michigan
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Efficacy of Ramelteon in Healthy Subjects

NCT00671190
Conditions
Sleep Disorder
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 45 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
13
States / cities
Hot Springs, Arkansas • Los Angeles, California • San Diego, California + 10 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Circadian Rhythms in Postmenopausal Women

NCT04893226
Conditions
Metabolic Syndrome, Postmenopausal Symptoms
Interventions
Time-Restricted Feeding (TRF)
Behavioral
Lead sponsor
Julie Pendergast
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky