Clinical trials: Delayed Sleep Phase
Developmental Delay Disorders, Chromosome Deletion
Treatment Strategies for Children With Smith-Magenis Syndrome
This study will examine the effect of bright light or melatonin treatment on sleep in children with Smith-Magenis syndrome (SMS), a genetic disorder characterized by certain physical, behavioral and developmental features.
- Conditions
- Developmental Delay Disorders, Chromosome Deletion, Mental Retardation, Sleep Disorders, Circadian Rhythm
- Trial name
- NCT00506259
- Testing
- dTR Melatonin (NIH CC PDS), Phototherapy (Bright Light), Melatonin CR
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
Depression in Adolescence, Delayed Sleep Phase
Better Sleep Study
The overall aim of this proposal is a confirmatory efficacy trial sufficiently powered and designed to test the hypothesis that improving the relationship between biological circadian timing and waketime, a novel modifiable…
- Trial name
- NCT06139861
- Testing
- TranS-C, Psychoeducation
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Children's Hospital Los Angeles
Healthy Controls, Delayed Sleep Phase
Circadian Phase Assessments at Home
An estimated 23 million Americans, including adolescents and the elderly, suffer from circadian rhythm sleep disorders, such as delayed sleep phase disorder, advanced sleep phase disorder and winter depression.
- Trial name
- NCT01487252
- Testing
- At home saliva sampling
- Where
- United States
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Circadian Rhythms, Time Perception
The Effect of a Continuous 1-Hour Time Delay on Circadian Rhythms
The purpose of this study is to investigate whether the experience of a daily time delay can affect our internal circadian rhythm.
- Conditions
- Circadian Rhythms, Time Perception, Sleep
- Trial name
- NCT07317349
- Testing
- Fixed daily routine, Daily time delay
- Where
- Denmark
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Healthy Volunteers
A Study to Evaluate the Safety, Tolerability, Pharmacodynamics, and Pharmacokinetics (PK) of Oral TAK-994 in an Acute Sleep Phase Delay Paradigm in Healthy Male Participants
The purpose of this study is to assess the safety and tolerability of TAK-994 and to determine the effect of TAK-994 (compared to placebo) on sleepiness, as measured by mean sleep latency on the maintenance of wakefulness Test…
- Trial name
- NCT04551079
- Testing
- TAK-994
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Takeda
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
Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder
Breath Biomarkers for Sleep Loss and Circadian Timing
Insufficient sleep has both health and safety risks, but currently there are no quick, accurate and inexpensive ways to measure sleep deficiency.
- Conditions
- Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic
- Trial name
- NCT03980340
- Testing
- Short Nap Intervention, No Nap Intervention
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
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
Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm
Biomarkers for Circadian Timing in Healthy Adults
Study investigators want to learn more about the underlying biological clock and to see if the timing of that clock can be estimated from a single blood sample.
- Conditions
- Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS)
- Trial name
- NCT03956745
- Testing
- sleep-wake timing, constant routine
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Delayed Sleep Phase Syndrome
Randomized Controlled Trial on the Treatment Effects of Melatonin and Light Therapy on Delayed Sleep Phase Syndrome
In this study the investigators will examine the effects of melatonin and light therapy on delayed sleep phase syndrome in adolescents 16 up to 20 years old.
- Trial name
- NCT00834886
- Testing
- Melatonin, Bright light
- Where
- Norway
- Volunteers
- 40 people
- Sponsor
- University of Bergen
Insomnia, Delayed Sleep Phase
The Reducing Risk Study
The present study will test an innovative mobile health adaptation of a behavioral intervention that improves sleep and mental health concerns among adolescents.
- Trial name
- NCT03665337
- Testing
- mTranS-C, Control
- Where
- United States
- Volunteers
- 59 people
- Sponsor
- University of California, San Francisco
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
Delayed Sleep Phase
Delayed Sleep Timing in Teens Study
This study will (1) comprehensively characterize the substance use disorder (SUD) risk profile associated with adolescent Delayed Sleep Phase (DSP), and (2) probe whether SUD risk is diminished by altering sleep/circadian timing.
- Trial name
- NCT03806296
- Testing
- Increase morning bright light, Decrease evening blue light, Sleep scheduling
- Where
- United States
- Volunteers
- 142 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Narcolepsy
A Study of HBS-201 (Pitolisant Delayed-release)
The purpose of this study is to assess the tolerability of HBS-201 when starting at a therapeutic dose in adult participants with narcolepsy.
- Trial name
- NCT07051252
- Testing
- HBS-201
- Where
- 15 sites in United States
- Volunteers
- 46 people
- Sponsor
- Harmony Biosciences Management, Inc.
Chronobiology Disorders, Circadian Rhythm Disorders
Light Sensitization Study
Circadian rhythm disorders are a class of sleep disorders characterized by misalignment between the timing of sleep and the timing of rhythms driven by the biological clock.
- Conditions
- Chronobiology Disorders, Circadian Rhythm Disorders, Sleep Disorders, Circadian Rhythm
- Trial name
- NCT01327040
- Testing
- light exposure
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm
Evaluating the Effects of Tasimelteon Vs. Placebo in Delayed Sleep-Wake Phase Disorder (DSWPD) and the CRY1Δ11 Variant
This is a double-blind, randomized, two-period crossover study to evaluate the efficacy and safety of a single oral dose of tasimelteon and matching placebo in male and female subjects with DSWPD and the CRY1Δ11 variant.
- Conditions
- Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm, Chronobiology Disorders, Gene Mutations and Other Alterations Nec
- Trial name
- NCT06701396
- Testing
- Tasimelteon
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Vanda Pharmaceuticals
Delayed Sleep Phase Syndrome, Delayed Sleep Phase
Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder
The goal of this study is to understand factors that contribute to delayed sleep wake phase disorder (DSWPD). The investigators will examine whether patients with DSWPD exhibit alterations in circadian rhythms and sensitivity to…
- Trial name
- NCT06471374
- Testing
- Circadian rhythm assessment, Light sensitivity assessment
- Where
- 2 sites in United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Boulder
Delayed Sleep Phase Disorder, Jet-lag
Melatonin Treatment for Induced Transient Insomnia
Melatonin supplements have been reported to be an effective treatment for circadian rhythm sleep disorders, including shift work dyssomnia, jet-lag, delayed sleep phase syndrome, and sleep disruption suffered by many blind…
- Conditions
- Delayed Sleep Phase Disorder, Jet-lag, Shift-work Disorder
- Trial name
- NCT00950885
- Testing
- Low Dose Melatonin, High Dose Melatonin
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Insomnia, Delayed Sleep Phase
Effects of Cognitive Behavioural Therapy and Bright Light Therapy for Insomnia in Adolescents With Evening Chronotype
Insomnia is prevalent in adolescents. Together with an increase of evening preference (i.e. evening chronotype) in adolescent, sleep disturbance in adolescents are associated with a constellation of adverse outcomes.
- Trial name
- NCT04256915
- Testing
- Cognitive Behavioural Therapy for Insomnia (CBT-I) + Bright Light Therapy
- Where
- Hong Kong
- Volunteers
- 150 people
- Sponsor
- The 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