Clinical trials: Delayed Sleep Phase Syndrome
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
Sleep Disorders, Circadian Rhythm, Circadian Rhythm Disorders
Validation of Circadian Biomarkers in Patients With Sleep Disorders
Current methods for assessing circadian timing require sampling over hours (or even up to a day) while the patient is in controlled conditions.
- Conditions
- Sleep Disorders, Circadian Rhythm, Circadian Rhythm Disorders, Circadian Rhythm Sleep Disorder, Advanced Sleep Phase Syndrome (ASPS)
- Trial name
- NCT04690504
- Testing
- dim light melatonin onset (DLMO)
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Brigham and Women's Hospital
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
Bipolar Disorder, Delayed Sleep-Wake Phase Disorder
Correcting Circadian Rhythms to Breakthrough in Bipolar Disorder
The purpose of this study is to test whether a dietary supplement (low-dose melatonin) commonly used to treat night owls, administered in conjunction with a behavioral sleep intervention, will help to shift the brain clock…
- Trial name
- NCT06226025
- Testing
- Melatonin, Behavioral sleep intervention, Behavioral sleep control
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Leslie Swanson
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
Mental Disorder in Adolescence, Insomnia
Promoting Sleep and Physical Activity Among Adolescent Psychiatric Patients
Mental health disorders pose a significant burden on adolescent populations globally, often accompanied by sleep disturbances. Emerging evidence suggests that addressing sleep issues can improve mental health outcomes, while…
- Conditions
- Mental Disorder in Adolescence, Insomnia, Delayed Sleep-Wake Phase Disorder
- Trial name
- SLEEPAC (NCT06407258)
- Testing
- SLEEPAC
- Where
- 2 sites in Switzerland
- Volunteers
- 140 people
- Sponsor
- Christin Lang
Delayed Sleep Phase Syndrome
Are Patients Suffering From DSPS Show Compromising in Everyday Functions and Abilities Before Handling the Disorder?
The purpose of this study is to determine whether the known treatment for DSPS also improve the cognitive ability and mood of the patients.
- Trial name
- NCT02962037
- Testing
- Melatonin and light therapy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Lilach Kemer
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)
Delayed Sleep Phase Syndrome
Synchronization and Desynchronization Between Circadian Rhythms in Patients With Delayed Sleep Phase Syndrome (DSPS)
This study's first aim is to widen the knowledge of the characteristics of delayed sleep phase disorder (DSPS) by focusing on the circadian rhythms of appetite regulation factors and their phase relations to the cycles of…
- Trial name
- NCT00282061
- Testing
- Melatonin
- Where
- Israel
- Sponsor
- Sheba Medical Center
Delayed Sleep Phase Syndrome
The Clinical Utility of Measuring the Circadian Clock in Treatment of Delayed Sleep-Wake Phase Disorder
This study will test whether measuring the circadian clock during treatment of delayed sleep-wake phase disorder results in greater improvements in sleep compared to estimating the circadian clock.
- Trial name
- NCT03715465
- Testing
- Melatonin 0.5 MG, Dim Light Melatonin Onset (salivary)
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- University of Michigan
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
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
Sleep Disorders, Circadian Rhythm
Efficacy of Ramelteon on Speeding Up Sleep in Subjects With Delayed Sleep Phase Syndrome
The purpose of this study is to evaluate the ability of ramelteon, once daily (QD), to advance the timing of sleep in individuals with delayed sleep phase syndrome.
- Trial name
- NCT00593736
- Testing
- Ramelteon
- Where
- 42 sites in United States
- Volunteers
- 132 people
- Sponsor
- Takeda
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
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
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
Lemborexant in Delayed Sleep Phase Syndrome
The purpose of the study is to evaluate whether Lemborexant is more effective than placebo in shortening sleep onset latency in patients with delayed sleep phase syndrome (both type 1 and type 2).
- Trial name
- NCT05463861
- Testing
- Lemborexant
- Where
- 2 sites in United States
- Volunteers
- 86 people
- Sponsor
- Stanford University
Depression
Effects of Light Treatment During Sleep on Young Men
This study will determine if green light exposure during sleep is effective in reducing mild depression symptoms in young men.
- Trial name
- NCT00796939
- Testing
- Green light mask, Red Light Mask
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
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