Clinical trials: Biological Rhythm
Major Depressive Disorder
The Study of Serum Melatonin Rhythm Levels in Patients With Major Depressive Disorder
One of the main points in the biological trends is, the circadian rhythm and disturbance in this cycle, which cause mood disorders and irregularity in this bio clock, to get depression.
- Trial name
- NCT01357083
- Where
- Iran
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Science & Research Islamic Azad University Branch Khozestan
Healthy Aging
Vestibular Stimulation, Exercise and Light Optimization for Circadian Clock Enhancement (Velocce)
This study investigates the effects of remote interventions based on the exposure to one or more zeitgebers (i.e. adapted physical activity alone or combined with bright light exposure, or galvanic vestibular stimulation)…
- Trial name
- velocce (NCT05030389)
- Testing
- Adapted Physical Activity (APA), Bright Light Exposure (BLE), Galvanic Vestibular Stimulation (GVS)
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Université de Caen Normandie
Diabetes Mellitus, Type 2, Insulin Resistance
Exercise to Restore 24h Rhythms in Metabolism
This study will investigate the effect of exercise training on 24h rhythms in substrate metabolism in overweight subjects with impaired glucose tolerance. Subjects will perform exercise training for 12 weeks.
- Trial name
- RESTORE (NCT04565418)
- Testing
- High-intensity interval training
- Where
- Netherlands
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Maastricht University
Body Temperature Changes
Follow Fever to Decide
Body temperature is one of the markers of biological rhythms. The precise determination of the functioning of the biological clock for an individual is essential to understanding his physiological state at a given time.
- Trial name
- NCT04311268
- Testing
- F2D armband
- Where
- France
- Volunteers
- 306 people, healthy volunteers welcome
- Sponsor
- Slb Pharma
Healthy, Obese
Circadian Rhythmicity in Cold-induced Thermogenesis
This study aims to investigate whether maximum cold-induced non-shivering thermogenesis (e.g. thermogenesis as a consequence of BAT activity) differs between morning and evening.
- Conditions
- Healthy, Obese, Glucose Intolerance
- Trial name
- COLDR (NCT04406922)
- Testing
- Personalized cooling protocol
- Where
- Netherlands
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Leiden University Medical Center
Sleep Disorder
Evning Exposure to Computer Screen Disrupts Sleep, Attention and Biological Rhythms
Light exposure is on the rise in recent years. In large part because of unintentional illumination from screens that emit light directly into the eyes.
- Trial name
- NCT02957383
- Testing
- Wavelength, Intensity
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Assuta Medical Center
Chronic Insomnia, Melatonin
Effect of Suanzaoren Decoction and Huanglian Wendan Decoction on Biorhythm of Insomnia Patients
The purpose of this study was to examine the impact of Chinese medicine on melatonin levels in patients with insomnia
- Conditions
- Chronic Insomnia, Melatonin, Circadian Rhythm, Suanzaoren Decoction and Huanglian Wendan
- Trial name
- NCT06467851
- Testing
- Suanzaoren Decoction and Huanglian Wenda Decoction
- Where
- 2 sites in China
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
Circadian Misalignment, Sex Differences
Does Circadian Misalignment Have Sex-Specific Effects on Metabolism?
This study will test whether biological sex influences how the body responds to circadian misalignment-a mismatch between the internal body clock and the timing of sleep and eating (as can occur with shift work or jet lag).
- Trial name
- NCT07441265
- Testing
- Day shift, Night shift
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Menstrual Irregularity
Increased Calorie Intake to Reverse Energy Deficiency in Exercising Women: Impact on Bone and Menstrual Cyclicity
The purpose of this study is to examine the effects of increased food intake on the menstrual cycle and bone health in physically active women who have irregular or absent menstrual cycles.
- Trial name
- NCT00392873
- Testing
- EAMD+Calories
- Where
- United States
- Volunteers
- 233 people, healthy volunteers welcome
- Sponsor
- Penn State University
Circadian Rhythms, Feeding Patterns
Effect of Nutrient Delivery Pattern on Biological Rhythms in Human Skeletal Muscle
Recent work has established biological rhythms in human skeletal muscle. It remains unknown how the timing and pattern of meals influences these rhythms.
- Trial name
- NCT03906409
- Testing
- Constant, Bolus
- Where
- United Kingdom
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Bath
Circadian Rhythm Phase Shift
A Study on the Changes of the Biological Rhythm by Display Image Modulation
Effects of Smartphone Use at Night with Light Emitting Diode Display With and Without Blue Light in Healthy Adults: A Randomized, Double-blind, Cross-over, Placebo-controlled Comparison
- Trial name
- NCT02690311
- Testing
- smartphone display
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Samsung Medical Center
T1DM, Sleep Disorders, Circadian Rhythm
Influence of Circadian Clock on Hormonal, Metabolic, Neurocognitive Markers in Adolescents With and Without Diabetes
Type 1 diabetes mellitus (T1DM), makes its appearance during childhood and youth, but management implications last till late adulthood.
- Conditions
- T1DM, Sleep Disorders, Circadian Rhythm, ADHD, Memory Impairment
- Trial name
- NCT04054934
- Testing
- Reversed Circadian Rhythm, Normal Circadian Rhythm
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assaf-Harofeh Medical Center
Bipolar Disorder, Schizophrenia
Sleep, Obesity and Mental Disease - Biological Markers for the Evaluation of Circadian Rhythmicity
Introduction 16.8% of the Danish adult population are obese (Body Mass Index> 30 kg / m2). Obesity increases the risk of lifestyle diseases such as type-2 diabetes and non-alcoholic fatty liver.
- Conditions
- Bipolar Disorder, Schizophrenia, Obesity, Circadian Rhythm Disorders
- Trial name
- SOMBER (NCT05413486)
- Testing
- Observational
- Where
- Denmark
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Esbjerg Hospital - University Hospital of Southern Denmark
Sleep Disorders, Circadian Rhythm
Effects of Vitamin B12 on the Body's Internal Clock
Circadian rhythms are 24-hour cycles that influence natural functions in the body such as heart rate, blood pressure, and body temperature. Circadian rhythms provide the body with an internal clock and affect sleep patterns.
- Trial name
- NCT00120484
- Testing
- Vitamin B12
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Sleep Deprivation, Metabolic Disturbance
Biorhythms in Metabolic Tissues
Metabolism is increasingly recognized as being highly regulated by anticipatory biological rhythms (circadian rhythms or "biorhythms"), which are driven by molecular feedback loops, and which are approximately 24 hours long…
- Conditions
- Sleep Deprivation, Metabolic Disturbance, Biological Clocks, Healthy
- Trial name
- NCT03276442
- Testing
- Low-fat dietary intervention, High-fat dietary intervention
- Where
- Sweden
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Circadian Dysregulation
Efficacy of Ramelteon on Insomnia Symptoms Associated With Jet Lag in Healthy Adult Volunteers
The purpose of this study to determine the degree to which ramelteon, once daily (QD), can reduce the insomnia symptoms associated with rapid, eastward travel across 5 time zones.
- Trial name
- NCT00492011
- Testing
- Ramelteon
- Where
- 4 sites in United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Takeda
Biological Rhythm, Drug Metabolism and Pharmacokinetics
A Temporal Variability Study of Remimazolam for General Anesthesia Induction and Maintenance
The purpose of this study was to observe and compare the differences in plasma concentration, dosage and carboxylesterase 1 activity of remimazolam when remimazolam is used for general anesthesia induction and maintenance at…
- Trial name
- NCT07079800
- Where
- China
- Volunteers
- 188 people, healthy volunteers welcome
- Sponsor
- Jie Chen
Metabolic Regulation
Bath Myorhythms Project
Human Physiology is coordinated by a circadian timing system that synchronises daily cycles of light-dark, wake- sleep, activity-rest and feeding-fasting.
- Trial name
- NCT06997315
- Testing
- Time of exercise, No exercise
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Bath
Circadian Rhythm Disorders, Sepsis
Functionality of Endogenous Biological Clock in Sepsis
The aim of the current study is to demonstrate dysregulation of immune system΄s circadian rhythms as a consequence of sepsis, as well as marked malfunction of the central circadian clock in comparison with patients without sepsis…
- Trial name
- NCT04063332
- Where
- 2 sites in Greece
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Athens
Attention Deficit Hyperactivity Disorder (ADHD), Sleep
Examination of the Dynamic Relationships of Sleep, Physical Activity, and Circadian Rhythmicity With Neurobehavioral Heterogeneity in ADHD
Attention deficit/hyperactivity disorder (ADHD) can present differently in individuals, with some individuals having difficulty with attentional control, hyperactivity, impulsivity, emotion dysregulation, and/or neurobehavioral…
- Conditions
- Attention Deficit Hyperactivity Disorder (ADHD), Sleep, Physical Activity
- Trial name
- NCT06810180
- Testing
- Go/No-Go Task, Delay discounting task, Mirror Tracing Persistence Task
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hugo W. Moser Research Institute at Kennedy Krieger, Inc.