Clinical trials: Chronobiology
Sleep Deprivation, Circadian Rhythm Disorders
PBM Effects on Health and Well-being in Humans
The goal of this clinical study is to assess the effects of different photobiomodulation (PBM) conditions in men and women between 25 and 65 years old with daytime sleepiness/drowsiness and /or mild mood complaints but be…
- Trial name
- NCT05619133
- Testing
- PBM
- Where
- Netherlands
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Seaborough Life Science B.V.
Breast Cancer, Fatigue
The Role of Circadian Rhythms in Cancer-Related Symptoms
Emerging evidence indicates that circadian rhythms may be disrupted following cancer and its treatment, and that circadian rhythm disruption may be an underlying pathophysiological mechanism of cancer- and cancer…
- Conditions
- Breast Cancer, Fatigue, Cognitive Impairment, Sleep
- Trial name
- CHRONO (NCT04401189)
- Where
- Denmark
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Aarhus University Hospital
Sleep Disorders, Circadian Rhythm
Circadian Phase Adjustment and Improvement of Metabolic Control in Night Shift Workers
EuRhythDia II is a multicenter, randomized, double-blind controlled study. The rationale of EuRhythdia is to explore the effects of 12 weeks of timed melatonin treatment on circadian rhythm, metabolic control and cardiovascular…
- Trial name
- NCT02108353
- Testing
- Melatonin 2mg
- Where
- 3 sites in Germany, Italy
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
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
Obesity, Shift-work Disorder
Night Shift Work and Biomarkers of Obesity Risk in Hospital and Industry Workers
Shift work is a well-known risk factor for the development of overweight and obesity, which may lead to downstream effects such as increased risk of cardiometabolic diseases and cancer.
- Conditions
- Obesity, Shift-work Disorder, Circadian Rhythm Disorders
- Trial name
- Shift2Health (NCT06288568)
- Testing
- No intervention
- Where
- Austria
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- University of Vienna
Depression, Sleep Disorders, Circadian Rhythm
Longitudinal Ecological Study on Sleep-Wake Patterns in MDD Using Actigraphy
The proposed study will include a longitudinal ecological study (Study 1) and a randomised controlled trial (Study 2). The aims will be to (1) identify the sleep-wake profiles in individuals with Major Depressive Disorder (MDD)…
- Trial name
- NCT06233422
- Testing
- No intervention involved
- Where
- Hong Kong
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Shift-Work Sleep Disorder
Assessments in Stress and Quality of Sleep/Life in Night-shift Nurses and Doctors
This study aims to evaluate the effects of aroma massage to sleep quality of the nurses and staff during night shift.
- Trial name
- NCT02541747
- Testing
- massage
- Where
- Taiwan
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- Taichung Veterans General Hospital
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
Anemia, Sickle Cell, Sickle Cell Disease
Preventing Sickle Cell Kidney Disease
Untreated hypertension and renal injury are risk factors for increased morbidity and mortality in sickle cell disease, yet early markers of progressive disease have not been identified and therapies to prevent the development of…
- Conditions
- Anemia, Sickle Cell, Sickle Cell Disease, Kidney Disease, Hypertension
- Trial name
- NCT02373241
- Testing
- Losartan
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Circadian Rhythm Sleep Disorders
Safety and Efficacy of VEC-162 on Circadian Rhythm in Healthy Adult Volunteers
The purpose of this study is to assess the safety and efficacy of VEC-162 compared to matching placebo on circadian phase shift and sleep parameters.
- Trial name
- NCT00490945
- Testing
- VEC-162
- Where
- 2 sites in United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Vanda Pharmaceuticals
Postoperative Delirium, General Anesthesia
The Disorder of Circadian Clock Gene and Early Cognitive Dysfunction After General Anesthesia
Postoperative cognitive dysfunction (POCD) is a common postoperative complication in patients aged 65 and over, which refers to cognitive function changes such as memory decline and attention deficit after anesthesia and surgery.
- Conditions
- Postoperative Delirium, General Anesthesia, Exosomes, Clock Gene
- Trial name
- NCT04421872
- Testing
- receiving general anesthesia
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Shengjing Hospital
Sleep Disorders, Sleep Apnea, Obstructive
Sleep Disorders Management, Health and Safety in Police
The purpose of the study is to test the effect of a sleep disorders detection and treatment program for police officers on their safety, quality of life, and job performance. The program is called Operation Healthy Sleep.
- Conditions
- Sleep Disorders, Sleep Apnea, Obstructive, Restless Legs Syndrome, Sleep Disorders, Circadian Rhythm
- Trial name
- NCT00207285
- Testing
- Sleep Hygiene Education, Screening and Treatment of Sleep Disorders
- Where
- United States
- Volunteers
- 731 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
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, Craniopharyngioma
Sleep Wake and Melatonin Pattern in Craniopharyngioma
The hypothalamus is a part of the brain containing a number of nuclei with a variety of functions. It is central in the regulation of hormone secretion, sleep, and circadian functions.
- Trial name
- NCT01881854
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Gingivitis, Circadian Rhythm Disruption
Circadian Clock Proteins in Gingival Crevicular Fluid of Individuals With and Without Circadian Rhythm Disruption
This prospective cross-sectional clinical study aims to investigate the relationship between circadian rhythm disruption and periodontal inflammation by evaluating circadian clock protein levels, inflammatory (IL-1beta) and…
- Conditions
- Gingivitis, Circadian Rhythm Disruption, Periodontal Inflammation, Circadian Rhythm Sleep Disorder, Shift Work Type
- Trial name
- Nursma-CIRC-HG (NCT07592052)
- Testing
- Standard Periodontal Treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- Inonu University
Osteoporosis, Circadian Rhythm Sleep Disorder, Shift Work Type
Skeletal Response to Simulated Night Shift
This small intervention study will determine if simulated short-term night shift work (NSW) negatively alters bone metabolism. The specific aim of the study is to determine if NSW acutely uncouples bone turnover markers (BTMs)…
- Trial name
- SPOTLIGHT (NCT05074277)
- Testing
- Simulated short term night shift work schedule
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
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 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
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
Chronobiology, Light
Light Timing Study
Chronic circadian misalignment and sleep restriction peak during late adolescence, and are associated with morning daytime sleepiness, poor academic performance, conduct problems, depressed mood, suicidal ideation, substance use…
- Conditions
- Chronobiology, Light, Sleep, Circadian Rhythm
- Trial name
- ALT (NCT04753190)
- Testing
- Baseline Sleep Satiation and Phase Stabilization, Gradually Shifted Sleep
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center