Clinical trials: Chronobiology
Chronobiology, Light
Teen Sleep and Light Study
Circadian clocks shift later (delay) with the progression of puberty; this shift contributes to late sleep onsets in older adolescents.
- Conditions
- Chronobiology, Light, Sleep, Circadian Rhythm
- Trial name
- NCT04921215
- Testing
- Morning bright light
- Where
- United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Circadian Rhythm Disorders, Sleep
The Effects of Bright Light Exposure on ICU Nurses
In the majority of intensive care units, nurses work 12 hour shifts that consist of days and nights. Shift work outside of 6am-6pm has been reported to cause fatigue, induce sleep disorders, and cause metabolic disturbances.
- Trial name
- NCT03331822
- Testing
- Bright Light
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- University of Pittsburgh
Infant Sleep Problems, Circadian Rhythm
Chrononutrition in Preterm Infants: a Randomised Controlled Trial of Time-matched Breast Milk Feeding and Its Effects on Sleep and Circadian Development
This study investigates whether the timing of feeding expressed breast milk influences infant sleep and circadian (day-night) development in preterm infants.
- Conditions
- Infant Sleep Problems, Circadian Rhythm, Neurodevelopment
- Trial name
- NCT07533578
- Testing
- Chronobiologically Timed Feeding of Expressed Breast Milk, Usual Feeding Practice (Untimed Expressed Breast Milk)
- Where
- Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Luzerner Kantonsspital
Attention Deficit Disorder With Hyperactivity, Sleep Disorders, Circadian Rhythm
Sleep Disorders, Chronotype, and Functional Impairment in the Restrictive ADHD Phenotype
This study aims to explore chronotype and sleep disturbances in ADHD subtypes and their relation to functional impairment.
- Conditions
- Attention Deficit Disorder With Hyperactivity, Sleep Disorders, Circadian Rhythm, Quality of Life, Morningness Eveningness Preference
- Trial name
- NCT06970418
- Where
- Turkey (Türkiye)
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Dr. Behcet Uz Children's Hospital
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
Fragile X Syndrome, Angelman Syndrome
Parent and Infant Inter(X)Action Intervention (PIXI)
The objective is to develop and test, through an iterative process, an intervention to address and support the development of infants with a confirmed diagnosis of a neurogenetic disorder with associated developmental delays or…
- Conditions
- Fragile X Syndrome, Angelman Syndrome, Prader-Willi Syndrome, Dup15Q Syndrome
- Trial name
- NCT03836300
- Testing
- Parent-Infant Inter(X)action Intervention (PIXI)
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- RTI International
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
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
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.
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
Circadian Dysregulation
Maintaining Behavior Change: A 6-year Follow-up of Adolescent 'Night-owls'
A follow-up of a cohort of participants recruited for a prior study will be conducted. In the prior study, 10-18 years olds were provided one of two treatments to improve the sleep of adolescent night-owls.
- Trial name
- NCT05098782
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Circadian Rhythm Disorders
Managing Sleep-wake Disruption Due to Hospitalisation: the Circadian Care Project
Sleep is regulated by the interaction of homeostatic and circadian processes. The homeostatic process determines sleep propensity in relation to sleep-wake history, the circadian one is responsible for the alternation of high/low…
- Trial name
- CircadianCare (NCT05228444)
- Testing
- CircadianCare
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- University Hospital Padova
Breast Feeding, Exclusive, Hospitalization
The Effect of Chronobiologic Feeding Model on Circadian Rhythm in Newborns
This study was planned to evaluate the effect of "feeding model with chronobiologic approach" on circadian rhythm, growth and physiologic parameters of newborns.
- Conditions
- Breast Feeding, Exclusive, Hospitalization, Feeding Patterns
- Trial name
- NCT05923437
- Testing
- Feeding model group with a chronobiological approach
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Selcuk University
Sleep Problems
Assessment of the Pharmacokinetics of Circadin® in Children With Neurodevelopmental Disorders and Sleep Disturbances
There is increasing evidence that chronic sleep disorders in children with autism spectrum disorder (ASD), Angelman Syndrome (AS) and Smith-Magenis syndrome (SMS) are associated with disturbed melatonin secretion and melatonin…
- Trial name
- NCT01903681
- Testing
- Circadin 2 mg, Circadin 10 mg
- Where
- Netherlands
- Volunteers
- 16 people
- Sponsor
- Neurim Pharmaceuticals Ltd.
Genetic Obesity, Obesity
Setmelanotide Phase 2 Treatment Trial in Participants With Rare Genetic Disorders of Obesity
The purpose of the study was to determine the effect of setmelanotide (RM-493) on weight, hunger assessments, and other factors in participants with rare genetic disorders of obesity.
- Conditions
- Genetic Obesity, Obesity, Obesity Due to Melanocortin 4 Receptor Deficiency
- Trial name
- NCT03013543
- Testing
- Setmelanotide
- Where
- 58 sites in United States, Canada and 7 more
- Volunteers
- 213 people
- Sponsor
- Rhythm Pharmaceuticals, Inc.
Circadian Rhythm Sleep Disorder, Circadian Rhythm Disorder Caused by Drug
Changes in Circadian Rhythm After Anaesthesia in Children
In this study the investigators will examine the effect of general anesthesia and surgery on sleep duration and sleep quality in children, using questionnaires and a sleep diary.
- Conditions
- Circadian Rhythm Sleep Disorder, Circadian Rhythm Disorder Caused by Drug, Circadian Rhythm Sleep Disorder, Jet Lag Type, Jet Lag
- Trial name
- CLOCKSkids (NCT05618405)
- Where
- Netherlands
- Volunteers
- 100 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Sleep, Circadian Rhythm Disorders
Sleep Timing, Eating and Activity Measurement Study
There is strong reason to believe that sleep promotion during adolescence could yield long-term health rewards; the investigators' data show that, when they get more sleep, Morning Larks have impressively reduced intake of…
- Conditions
- Sleep, Circadian Rhythm Disorders, Dietary Habits
- Trial name
- STEAM (NCT04992611)
- Testing
- Sleep Extension (Early), Sleep Extension (Late)
- Where
- United States
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati