Clinical trials: Biological Clock Disturbance
Delayed Sleep-Wake Phase Disorder
Pupillometry in Delayed Sleep Wake Phase Disorder
The goal of this observational study is to characterize the pupil light response in patients with delayed sleep-wake phase disorder.
- Trial name
- NCT06949644
- Testing
- Light and Citalopram
- Where
- United States
- Volunteers
- 220 people
- Sponsor
- Northwestern University
Chromosome Disorders
Melatonin Levels in Smith Magenis Syndrome (SMS)
The goal of this pilot project is to determine whether melatonin levels are disordered in patients with Smith-Magenis Syndrome (SMS) and whether melatonin treatment can correct abnormal circadian rhythms in SMS patients.
- Trial name
- NCT00691574
- Testing
- Melatonin, Enviro-light artificial light box
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Sleep, Sleep Disorders, Circadian Rhythm
Effects of Delayed School Start Times on Sleep, Mental Health, and Academic Performance Among Norwegian Adolescents
The aim is to investigate whether later school start times have positive effects on high school students' sleep patterns, mental health and daytime functioning.
- Conditions
- Sleep, Sleep Disorders, Circadian Rhythm, Psychiatric Disorder, Sleepiness, Daytime
- Trial name
- NCT06657482
- Testing
- Delayed school start time
- Where
- Norway
- Volunteers
- 583 people, healthy volunteers welcome
- Sponsor
- University of Bergen
Smith-Magenis Syndrome, Circadian
Evaluating the Effects of Tasimelteon vs Placebo on Sleep Disturbances in SMS
The aim of this study is to investigate tasimelteon vs. placebo on sleep disturbances of individuals with Smith-Magenis Syndrome.
- Trial name
- NCT02231008
- Testing
- tasimelteon
- Where
- 4 sites in United States
- Volunteers
- 49 people
- Sponsor
- Vanda Pharmaceuticals
Smith-Magenis Syndrome, Autism Spectrum Disorder
Smith Magenis Syndrome and Autism Spectrum Disorders
Autism Spectrum Disorders (ASD) are a neurodevelopmental disorder. Their prevalence is estimated at around 0.4% of the general population worldwide.
- Trial name
- SMS/TSA (NCT05116904)
- Testing
- Assessment
- Where
- 2 sites in France
- Volunteers
- 40 people
- Sponsor
- Hospices Civils de Lyon
Narcolepsy, Obstructive Sleep Apnea
The Nuvigil and Provigil Pregnancy Registry
The primary objective of the Nuvigil/Provigil Pregnancy Registry is to characterize the pregnancy and fetal outcomes associated with Nuvigil and Provigil exposure during pregnancy.
- Conditions
- Narcolepsy, Obstructive Sleep Apnea, Shift Work Sleep Disorder
- Trial name
- NCT01792583
- Testing
- Modafinil/armodafinil
- Where
- United States
- Volunteers
- 191 people, healthy volunteers welcome
- Sponsor
- Cephalon, Inc.
Sleep Disorders, Circadian Rhythm, Adolescent Behavior
Teen Sleep Health Study
The objective of this project is to develop an effective, yet feasible strategy to extend school-night sleep duration of older adolescents.
- Trial name
- NCT04087603
- Testing
- Weekend Morning Bright Light & Early Bedtime
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Sleep Disorders, Circadian Rhythm, Insomnia
Actigraphic Analysis of Treatment Response
The study examines and illustrates the utility of utilizing actigraphic measurements to assess treatment response.
- Conditions
- Sleep Disorders, Circadian Rhythm, Insomnia, Psychomotor Agitation
- Trial name
- NCT00723580
- Testing
- risperidone
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Child Psychopharmacology Institute
Shift-work Disorder, Insomnia
SHIFTPLAN: an RCT Investigating the Effect of a Shift Work Intervention on Fatigue, Sleep and Health.
Shift work is associated with disturbed life rhythms resulting from chronic exposure to circadian misalignment and sleep restriction, with long-term participation in most shift schedules causing serious health problems.
- Conditions
- Shift-work Disorder, Insomnia, Fatigue, Mental Health Issue
- Trial name
- SHIFTPLAN (NCT05452096)
- Testing
- Education program and ergonomic schedulling
- Volunteers
- 176 people
- Sponsor
- University Hospital, Antwerp
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
Non-24-Hour Sleep-Wake Disorder
Withdrawal Study to Demonstrate the Maintenance Effect in the Treatment of Non-24-Hour Sleep-Wake Disorder
The purpose of this study is to evaluate the maintenance effect and safety of 20 mg tasimelteon versus placebo in subjects suffering from Non-24-Hour Sleep-Wake Disorder.
- Trial name
- NCT01430754
- Testing
- tasimelteon
- Where
- 22 sites in United States
- Volunteers
- 20 people
- Sponsor
- Vanda Pharmaceuticals
Alzheimer's Disease (AD), Sleep Disorders, Circadian Rhythm
Improvement of Sleep Disorders in Patients With Alzheimer's Disease After Sunlight Exposure Therapy.
This observational study aimed to understand the effect of intervention A on sleep disorders in individuals with Alzheimer's disease receiving sunlight therapy.
- Trial name
- NCT07386808
- Testing
- sunlight therapy
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- National Taiwan University Hospital
Cystic Fibrosis
Circadian Rhythm Disorders in Children With Cystic Fibrosis Under CFTR (Cystic Fibrosis Transmembrane Conductance Regulator) Modulators
Cystic fibrosis (CF) is a rare disease affecting one out of 4,500 newborns in France (INSERM 2021). Despite major advances in patient care over the past two decades, with significant improvements in life expectancy, cystic…
- Trial name
- CHRONO-MUCO (NCT06370962)
- Where
- 3 sites in France
- Volunteers
- 180 people
- Sponsor
- Hospices Civils de Lyon
T1DM, Sleep Disorders, Circadian Rhythm
Influence of Circadian Clock on Hormonal, Metabolic, Neurocognitive Markers in Adolescents With and Without Diabetes
Type 1 diabetes mellitus (T1DM), makes its appearance during childhood and youth, but management implications last till late adulthood.
- Conditions
- T1DM, Sleep Disorders, Circadian Rhythm, ADHD, Memory Impairment
- Trial name
- NCT04054934
- Testing
- Reversed Circadian Rhythm, Normal Circadian Rhythm
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assaf-Harofeh Medical Center
Delayed Sleep-Wake Phase Disorder
Glasses for Adolescent Delayed Sleep-Wake Phase Disorder
The purpose of this study is to determine if evening amber glasses combined with stable wake times will show an increase in total sleep time (TST) and an advance in sleep onset times (shift earlier) compared to the control group.
- Trial name
- NCT04378933
- Testing
- Amber Glasses, Clear Lens Glasses
- Where
- 2 sites in United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Bipolar Disorder
Circadian Rhythm Dysregulation in Offspring of Parents With Bipolar Disorder
This study aims to 1) investigate the differences and variances in circadian rhythms at several levels, including physical activity, dim light melatonin onset, diurnal patterns of cortisol, and body temperature between the…
- Trial name
- NCT03656302
- Where
- Hong Kong
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Delayed Sleep Phase Syndrome
Experimental Manipulation of Sleep and Circadian Rhythms and the Role Played on Reward Function in Teens
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-P2 (NCT04792697)
- Testing
- Increase morning bright light, Decrease evening blue light, Sleep Scheduling
- Where
- United States
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Circadian Rhythm Sleep Disorders, Non-24 Hour Sleep-Wake Disorder
Study of the Pharmacokinetics and Safety of Tasimelteon in Children and Adolescents
Open-label Study to Investigate the Pharmacokinetics and Safety of Tasimelteon in Children and Adolescents.
- Conditions
- Circadian Rhythm Sleep Disorders, Non-24 Hour Sleep-Wake Disorder, Autism Spectrum Disorder, Smith-Magenis Syndrome
- Trial name
- NCT02776215
- Testing
- tasimelteon
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Vanda Pharmaceuticals
Delayed Sleep Phase Syndrome
Does Cognitive Behaviour Therapy (CBT) Improve the Effect of Light Therapy
Delayed sleep phase syndrome (DSPS) is the most common of the circadian rhythm sleep disorders (CRSD). A person with DSPS have sufficient sleep quality, but their circadian clock is delayed compared to the normal 24-h period.
- Trial name
- NCT01419938
- Testing
- Light therapy and Cognitive behaviour therapy, Light therapy
- Where
- Sweden
- Volunteers
- 57 people
- Sponsor
- Uppsala University
Sleep Disorder Circadian Rhythm, Delayed Sleep Phase Type
SleepHelsinki! CIRCADIAN SLEEP REGULATION IN ADOLESCENCE
Adolescence associates with alterations in sleep-wake organization, such as later circadian phase preference. Simultaneously external pressures, such as evening-driven social activities increase.
- Trial name
- SleepHel (NCT02964598)
- Testing
- Gamified intervention, Sleep coaching, Bright light
- Where
- Finland
- Volunteers
- 270 people, healthy volunteers welcome
- Sponsor
- University of Helsinki