Clinical trials: Delayed Sleep Phase Syndrome
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
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 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
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
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
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
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 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
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
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
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 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