Clinical trials: Chronotype
Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2
Chronotype of Patients With Diabetes and Effect on Glycaemic Control
The aim of this study is to explore the associations between chronotype and glycaemic control, cardiometabolic health and other lifestyle factors.
- Trial name
- CODEC (NCT02973412)
- Where
- United Kingdom
- Volunteers
- 3,447 people
- Sponsor
- University of Leicester
Physical Therapy, Resistance Exercise
Resistance Exercise and Sleep Quality by Chronotype
This study examines whether doing moderate resistance exercises in the morning can improve sleep quality and well-being in young adults.
- Conditions
- Physical Therapy, Resistance Exercise, Sleep Disturbances, Sleep Quality
- Trial name
- TRE-SLEEP (NCT07234812)
- Testing
- Moderate-Intensity Resistance Exercise Program
- Where
- Turkey (Türkiye)
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Medipol University
Migraine Disorders
Temporal, Environmental, and Genetic Factors Regulating Exercise and Migraine
Chronic pain, of which migraine is among the most common, affects 100 million US adults and costs between $560 to $635 billion dollars annually.
- Trial name
- NCT04553445
- Testing
- Chronotype, Green exercise
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Nevada, Las Vegas
Biological Aging
Translational Initiative to Map Epigenetics in Sleep
The primary aim of TIME-ZZZ is to explore the relationship between chronotype, incidence of depression and biological age, and whether individuals working "out-of-phase" with their chronotype are more likely to exhibit signs of…
- Trial name
- TIME-ZZZ (NCT06333301)
- Testing
- Surveys
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Elysium Health
Colour Perception, Color Perception
Visual Perception, Binocular Rivalry, and Fatigue-Related Individual Differences in Colour and Illumination Judgement
This observational study aims to characterise individual differences in colour perception and binocular rivalry. Participants will complete computer-based visual perception tasks, including a colour perception task and a…
- Conditions
- Colour Perception, Color Perception, Binocular Rivalry
- Trial name
- NCT07671144
- Testing
- Computer-Based Visual Perception Tasks
- Where
- 2 sites in Hong Kong
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Overweight and Obesity
Time-restricted Eating in Morning Chronotype
Overweight and obesity are highly prevalent conditions worldwide, despite active research of new interventions over decades. Current interventions include medications or bariatric surgery, but these approaches cannot be used in…
- Trial name
- NCT04618133
- Testing
- Early time-restricted eating, Late time-restricted eating, Active control
- Where
- Switzerland
- Volunteers
- 92 people
- Sponsor
- Tinh-Hai Collet, MD
Alcohol Abuse/Dependence
Examining the Relationship Between Physical Activity Levels and Chronotype Tendencies in Individuals With Alcohol Dependence
Alcohol use disorders are characterized by excessive alcohol consumption and loss of control and are associated with high mortality and disease burden.
- Trial name
- NCT06850428
- Where
- Turkey (Türkiye)
- Volunteers
- 207 people
- Sponsor
- Gulhane School of Medicine
PreDiabetes, Diabetes Mellitus, Type 2
Chronotype, Chrononutrition and Glucose Tolerance Among Prediabetic Individuals
Chronotype and chrononutrition, both are emerging research fields in nutritional epidemiology. However, its association with glycemic control in the global population is less clear.
- Trial name
- NCT05163964
- Testing
- Lifestyle Intervention
- Where
- 11 sites in Malaysia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Universiti Tunku Abdul Rahman
Chronotype
Investigation of the Effects of Chronotype Differences on Balance and Muscle Strength in Young Adults
The aim of this study is to investigate the effects of chronotype differences on balance and muscle strength in young adults. Chronotypes of all participants will be determined using the Morningness-Eveningness Questionnaire.
- Trial name
- Chronotype (NCT06949371)
- Testing
- Morning chronotype, Evening chronotype
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Obesity (Disorder), Morbid Obesity
Chrono-ALIGN: A Chronotype-Based Chrono-Nutrition Intervention in Post-Bariatric Patients
This randomized controlled trial will evaluate the impact of chrono-nutrition, a dietary approach that aligns meal timing with the body's circadian rhythms, on weight change, metabolic outcomes, appetite, and gut microbiota in…
- Conditions
- Obesity (Disorder), Morbid Obesity, Bariatric Sleeve Gastrectomy, Meal Time
- Trial name
- Chrono-ALIGN (NCT07324044)
- Testing
- Standard Post-Bariatric Care (Control), Early Time-Restricted Eating (eTRE), Chronotype-Based Chrono-Nutrition (CB-CN)
- Where
- Saudi Arabia
- Volunteers
- 246 people, healthy volunteers welcome
- Sponsor
- King Saud University
Type2 Diabetes Mellitus, Cardiovascular Diseases
Behavioral Chronotype: Impact on Sleep and Metabolism
The purpose of this study is to examine how the timing of eating changes how the body makes and uses energy (metabolism). This study will also examine if metabolism changes with age.
- Trial name
- NCT03647306
- Testing
- Early Total Caloric Intake, Late Total Caloric Intake, Extended Overnight Fast
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Healthy
Association Between the Individual Chronotype and Body Composition in German Students - The ChroNu Study
Chronotype is defined as the midpoint of sleep and describes a biological construct of an organism's temporal organisation. Misalignment between the individual chronotype and socially determined schedules may result in a…
- Trial name
- ChroNuCohort (NCT04302922)
- Where
- Germany
- Volunteers
- 327 people, healthy volunteers welcome
- Sponsor
- Paderborn University
Obesity
CHRONOtype-adjusted DIET on Weight Loss
BACKGROUND: Several reports have observed that the alteration of normal biological rhythms is associated with obesity development.
- Trial name
- CHRONO-DIET (NCT03755674)
- Testing
- CHRONOTYPE-ADJUSTED DIET
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Universidad Católica San Antonio de Murcia
Depression, Unipolar, Eveningness
Effects of CBT and BLT in Youth With Unipolar Depression and Evening Chronotype
The goal of this prospective randomised controlled trial is to examine the effects of cognitive behavioural therapy and bright light therapy in youths with unipolar depression and evening chronotype.
- Trial name
- DELAY (NCT06092411)
- Testing
- Cognitive Behavioural Therapy for Depression, Bright Light Therapy
- Where
- Hong Kong
- Volunteers
- 162 people
- Sponsor
- The University of Hong Kong
Circadian Rhythms
Real-World Use of an iPad-Based Light Therapy App, With Optional Biomarker Collection
This study looks at how adults use an iPad-based light app in everyday life. Light is the main signal that sets the body's internal clock, which controls daily rhythms in sleep, alertness, and many other body systems.
- Trial name
- NCT07744711
- Testing
- Circadian OS iPad-based light app
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Circadian OS, Inc
Circadian Rhythm, Time Perception
Circadian Timing and Time Perception in Healthy Adults
This study examines how a person's natural daily rhythm ("chronotype") affects the way time is experienced and judged. Healthy Danish-speaking adults (23-45 years) who are clearly morning-type or evening-type will complete two…
- Trial name
- ChronoTime (NCT07292597)
- Testing
- Session timing relative to chronotype
- Where
- Denmark
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Prediabetes, Overweight , Obesity
Exercise, Chronotype, and Prediabetes
The goal of this clinical trial is to find out whether exercising at the right time of day, based on a person's natural body clock, leads to greater health benefits in people living with prediabetes.
- Trial name
- NCT07389005
- Testing
- Timing of exercise, Control
- Where
- Germany
- Volunteers
- 28 people
- Sponsor
- German Diabetes Center
Depression, Anxiety, Chronotype
Effects of Exercıse on Chronotype, Sleep Qualıty and Depressıon Symptom Level in Unıversıty Students
The aimed this study is to determine the effect of regular exercise program on mood, chronotype and sleep quality in university students.
- Conditions
- Depression, Anxiety, Chronotype, Physical Activity
- Trial name
- NCT06981702
- Testing
- Exercise
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Aydin Adnan Menderes University
PreDiabetes, Overweight
Night Owl Metabolism
The proposed study uses a novel and rigorous randomized cross-over study design in youth (18-23y) with late and non-late chronotype (n=35 per group) to assess the glycemic effect of "aligning" an oral glucose tolerance test…
- Conditions
- PreDiabetes, Overweight, Impaired Glucose Tolerance
- Trial name
- NCT06507722
- Testing
- Timing of OGTT, Timing of Standardized Meal
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Endurance Performance, Reaction Time
The Influence of Light Exposure on Exercise Performance Dependent on Chronotype.
The purpose of this study is to determine if an exposure to light in the evening has a positive influence on physical performance regarding endurance, strength and reaction time.
- Conditions
- Endurance Performance, Reaction Time, Muscle Strength
- Trial name
- EX-Light (NCT02203539)
- Testing
- exposure to normal light, exposure to bright light, exposure to blue-enriched light
- Where
- Switzerland
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- University of Basel