Clinical trials: Circadian Rhythm Sleep Disorder
Attention Deficit Hyperactivity Disorder, Delayed Sleep Phase Type Circadian Rhythm Sleep Disorder
Blue Wavelength Light-blocking Glasses in ADHD-Insomnia
Patients with ADHD often report staying up late on the computer, watching TV, or using other electronic devices, all strong emitters of blue light which may be contributing to the delayed sleep onset times seen in some of these…
- Trial name
- ADHD (NCT01557595)
- Testing
- Polarized glasses designed to filter out blue light
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- University of Alabama at Birmingham
Shift-Work Sleep Disorder
Sleep Enhancement Training Study for Novice Shiftworkers
The purpose of this study is to determine if a modified version of the Sleep Enhancement Fatigue Reduction Training (SEFRT) system can improve sleep and health-related symptoms and quality of life in shiftwork-naive new nurse…
- Trial name
- SETS-novice (NCT00786266)
- Testing
- Sleep Enhancement Training System, NIOSH shiftwork booklet
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of California, San Francisco
Depression, Light; Therapy, Complications
ROOM-LIGHT: Dynamic LED-light as Treatment for Depressed Patients in Inpatient Wards
Depression is a major health challenge, and despite developments in pharmacotherapy and psychotherapy a substantial part of patients will only recover very slowly and incompletely, and 10-25 % of the patients are resistant to…
- Conditions
- Depression, Light; Therapy, Complications, Sleep Disorders, Circadian Rhythm
- Trial name
- ROOM-LIGHT (NCT03363529)
- Testing
- Dynamic light, Standard
- Where
- Denmark
- Volunteers
- 15 people
- Sponsor
- University Hospital Bispebjerg and Frederiksberg
Sleep, Circadian Dysregulation
The Impact of Artificial Sunlight on Human Sleep and Circadian Rhythms
The purpose of this study is to examine, in healthy controls, whether LED lighting that has a color spectrum similar to that of sunlight is able to differentially impact mood, circadian rhythms, sleep, and behavior, as compared…
- Conditions
- Sleep, Circadian Dysregulation, Mood
- Trial name
- NCT03636360
- Testing
- Light
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System
Circadian Rhythm Sleep Disorder, Jet Lag Type
Facilitating Adjustment to Simulated Jet Lag
The aims of this study are to compare 3 different treatments for circadian adjustment to a laboratory protocol which will mimic westward air travel across 8 time zones.
- Trial name
- NCT05382923
- Testing
- Bright Light, Bright Light + Exercise + Melatonin, Control
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Circadian Rhythm Disorders
Identification of Novel Circadian Biomarkers
Circadian clocks are not only found in discrete areas of the brain, but are found in virtually every organ in our bodies, including the heart, lungs and immune system.
- Trial name
- NCT02291003
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Circadian Rhythm Sleep Disorder
Circadian Rhythms and Sleep in Familial DSPS and ASPS
The purpose of this study is to determine the properties of circadian rhythms and sleep propensity in familial advanced and delayed sleep phase syndrome (DSPS).
- Trial name
- NCT00246454
- Where
- United States
- Volunteers
- 156 people
- Sponsor
- Northwestern University
Shift-Work Sleep Disorder
Light Treatment to Shift-working Nurses
This project examines 1) the effects of appropriately timed bright light on adaptation (in terms of sleep and sleepiness) to three consecutive night shifts; and 2) the effects of such bright light on re-adaptation (in terms of…
- Trial name
- NCT02978053
- Testing
- Bright light, Red light
- Where
- Norway
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Bergen
Gingivitis, Circadian Rhythm Disruption
Circadian Clock Proteins in Gingival Crevicular Fluid of Individuals With and Without Circadian Rhythm Disruption
This prospective cross-sectional clinical study aims to investigate the relationship between circadian rhythm disruption and periodontal inflammation by evaluating circadian clock protein levels, inflammatory (IL-1beta) and…
- Conditions
- Gingivitis, Circadian Rhythm Disruption, Periodontal Inflammation, Circadian Rhythm Sleep Disorder, Shift Work Type
- Trial name
- Nursma-CIRC-HG (NCT07592052)
- Testing
- Standard Periodontal Treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- Inonu University
Sleep Disorder, Shift Work, Fatigue
Effect of Night Float Call on Sleep and Activity Patterns Among Anesthesia Residents
With increasing awareness about physician fatigue and its effect on patient safety, residency programs are increasingly transitioning to a night float call system.
- Conditions
- Sleep Disorder, Shift Work, Fatigue, Sleep Disturbance
- Trial name
- NCT05043038
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Stanford University
Sleep Disorders, Circadian Rhythm, Sleep Disorder
Implementing and Sustaining a Transdiagnostic Sleep and Circadian Treatment
The goal is to collect pilot data on an adapted version of the Transdiagnostic Sleep and Circadian intervention (TranS-C), referred to as 'Fitted TranS-C'.
- Conditions
- Sleep Disorders, Circadian Rhythm, Sleep Disorder, Acceptability, Feasibility
- Trial name
- NCT03556878
- Testing
- Fitted Transdiagnostic Sleep and Circadian intervention
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- University of California, Berkeley
Sleep-wake Disorder in Blind Individuals
Patient Registry of Blind Subjects With Sleep-related Problems
Non-24-hour sleep-wake disorder (Non-24) is a condition experienced primarily by totally blind individuals that results in abnormal night sleep patterns and chronic daytime sleepiness.
- Trial name
- NCT01195558
- Testing
- Data collection on blindness and sleep problems
- Where
- United States
- Volunteers
- 10,000 people
- Sponsor
- Vanda Pharmaceuticals
Sleep Disorders, Circadian Rhythm
Early Development of Sleep-wake Cycles in Premature Infants and Its Impact on Neurodevelopmental Outcome
Due to the development of neonatal intensive care the number of surviving premature infants increased significantly. The immature brain undergoes a fair amount of external stimuli, which have a great impact on later cognitive…
- Trial name
- SWC (NCT01774318)
- Testing
- aEEG and conventional EEG measurement
- Where
- Austria
- Volunteers
- 60 people
- Sponsor
- Medical University of Vienna
Non-24-Hour Sleep-Wake Disorder
Efficacy and Safety of Tasimelteon Compared With Placebo in Totally Blind Subjects With Non-24-Hour Sleep-Wake Disorder
The purpose of this study is to evaluate the efficacy and safety of a six month double-mask treatment of tasimelteon or placebo in male and female subjects with Non-24-Hour Sleep-Wake Disorder
- Trial name
- NCT01163032
- Testing
- tasimelteon
- Where
- 28 sites in United States, Germany
- Volunteers
- 136 people
- Sponsor
- Vanda Pharmaceuticals
Shift-Work Sleep Disorder
Biological Rhythms Impact of 12 Hours Shift Work
Nonstandard time-schedules work are widespread in the world of work. Shift and night work have been shown to be responsible for a desynchronization of biological rhythms, associated with melatonin secretion impairment and sleep…
- Trial name
- MELACTI-12 (NCT03153917)
- Testing
- melatonin and cortisol sampling
- Where
- France
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Sleep Disturbance, Circadian Rhythm Sleep Disorders
Effect of an Eye Mask-Based Blackout Protocol on Sleep Quality and Melatonin
Sleep disturbance is a common problem among patients hospitalized in intensive care units due to continuous light exposure, noise, and frequent medical interventions.
- Conditions
- Sleep Disturbance, Circadian Rhythm Sleep Disorders, Intensive Care Unit Patients
- Trial name
- NCT07385768
- Testing
- Eye Mask-Based Blackout Protocol
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Ataturk University
Major Depressive Disorder (MDD), Sleep Disorders
A Longitudinal Follow-Up Study on Predicting Major Depressive Disorder From Rest-Activity Rhythm Profiles
This proposed study will be a longitudinal follow-up study of a case-control study of 160 participants (CREC Ref: 2023.234). This study aims to follow up on the trajectory of depression and rest-activity rhythm (RAR) disruptions…
- Conditions
- Major Depressive Disorder (MDD), Sleep Disorders, Circadian Rhythm
- Trial name
- NCT07388849
- Where
- Hong Kong
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Autism Spectrum Disorder
Do Sleep and Circadian Rhythm Disturbances Impact the Cognitive and Behavioural Development of Children With Autism?
The primary objective of this study is to undertake a longitudinal investigation of the impact of sleep and circadian rhythm disturbances on cognitive and behavioural trajectories in children with autism spectrum disorder (ASD)…
- Trial name
- NCT02878499
- Testing
- polysomnography
- Where
- 5 sites in France
- Volunteers
- 105 people
- Sponsor
- University Hospital, Strasbourg, France
Sleep
Circadian Rhythms and Homeostatic Sleep Drive and Their Effect on Reward and Cognitive Control Systems in Adolescents
Adolescence is a time of heightened reward sensitivity and greater impulsivity. On top of this, many teenagers experience chronic sleep deprivation and misalignment of their circadian rhythms due to biological shifts in their…
- Trial name
- CARRS-P1 (NCT05336084)
- Testing
- Ultradian sleep/wake protocol
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Social Jet Lag, Sleep Disturbance
Self-Acupressure and Social Jet Lag in Female Health Sciences Students
This randomized, sham-controlled trial aims to evaluate the effects of self-administered acupressure on social jet lag, sleep patterns, and sleep quality in female health sciences students.
- Conditions
- Social Jet Lag, Sleep Disturbance, Sleep Quality, Circadian Rhythm Disruption
- Trial name
- NCT07410936
- Testing
- Self-Acupressure Intervention
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Nigde Omer Halisdemir University