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
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
Chronotype, Pregnancy Complications
Examining The Effect of Chronotype Differences on Sleep Quality and Pregnancy Symptoms in Pregnant Women
Purpose: The aim of this study was to examine the effect of chronotype differences on sleep quality and pregnancy symptoms in pregnant women. Methods: Eighty-five pregnant women in the second trimester were included in the study.
- Trial name
- NCT06413784
- Testing
- Morning chronotype, Intermediate chronotype, Evening chronotype
- Where
- Turkey (Türkiye)
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Overweight and Obesity
Chronotype-adapted Diet and Weight Loss
In humans, prolonged alterations in the circadian rhythm have been linked to cognitive impairments, premature ageing, and oncological and metabolic disorders such as diabetes and obesity.
- Trial name
- CHRONODIET (NCT05941871)
- Testing
- Dietary intervention - intervention group, Dietary intervention - control group
- Where
- Italy
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliero-Universitaria Careggi
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
Sleep, Depression
Behavioral and Sleep Hygiene Education With Mindfulness Intervention to Improve Sleep Regularity in Adolescents
Sleep plays a fundamental role in both mental- and physical-health, with good sleep health including adequate duration and quality, appropriate timing, regularity, and absence of sleep disorders.
- Conditions
- Sleep, Depression, Anxiety, Chronotype
- Trial name
- NCT06028997
- Testing
- Behavioral and Sleep Hygiene Education with Mindfulness Intervention
- Where
- 2 sites in Iceland
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Solveig Magnusdottir
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
Chemotherapy-Induced Amenorrhea
Metabolism, Circadian Rhythms and Ovarian Function
Chemotherapy for cancer, due to its gonadotoxicity, can lead to impaired female fertility, resulting in the occurrence of transient or prolonged chemo-induced amenorrhea (CIA).
- Trial name
- METAB-OV (NCT05007834)
- Where
- France
- Volunteers
- 50 people
- Sponsor
- University Hospital, Lille
Healthy
Effects of Breakfast Glycaemic Index on Cognition in Earlier or Later Chronotypes.
High glycaemic index (GI) breakfasts resulting in sharp rises in blood glucose may adversely affect memory and attention, particularly in the late postprandial phase (i.e., 120-180 minutes after breakfast).
- Trial name
- GlyCoBrainIn1 (NCT06916039)
- Testing
- immediate verbal memory after high GI breakfast, immediate verbal memory after low glycemic index breakfast
- Where
- Germany
- Volunteers
- 177 people, healthy volunteers welcome
- Sponsor
- Anette Buyken
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
Healthy, Adult
GlyCoBrain Observational Study
Breakfasts with a high glycaemic index (GI) resulting in sharp rises in blood glucose may adversely affect memory and attention, particularly in the late postprandial phase (i.e., 120-180 minutes after breakfast).
- Trial name
- GlyCoBrainOb (NCT06679088)
- Where
- Germany
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Paderborn University
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
Athletic Performance, Sports Performance
Effects of Afternoon Napping, Caffeine, and Standardised Active Recovery on Evening Athletic Performance
This study evaluated whether afternoon napping, caffeine ingestion, and a standardised active recovery and nutritional protocol could influence evening physical and cognitive performance in healthy university athletes.
- Conditions
- Athletic Performance, Sports Performance, Exercise Performance, Circadian Rhythm
- Trial name
- NAP-CAF-REC (NCT07652424)
- Testing
- Afternoon Nap, Caffeine, Standardised Active Recovery and Nutritional Protocol
- Where
- Tunisia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- The Higher Institute of Sport and Physical Education of Sfax
Exercise Induced Hypoalgesia, Circadian Rhythm
Pain Perception and Exercise-Induced Hypoalgesia Across Circadian Rhythms
The goal of this randomized crossover clinical trial is to investigate whether exercise-induced hypoalgesia (EIH) is influenced by circadian rhythm in healthy adults aged 18-40 years.
- Conditions
- Exercise Induced Hypoalgesia, Circadian Rhythm, Pain Perception, Healthy Participants
- Trial name
- NCT07290465
- Testing
- High-Intensity Functional Training (HIFT), Supervised Deep Breathing
- Where
- Turkey (Türkiye)
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Medipol University
Sleep Quality, Chronotype
Sleep, Chronotype, and Prosocial Allocation Decisions
This observational behavioural study examines whether individual differences in sleep quality, sleep timing, and chronotype are associated with prosocial allocation decisions in adults.
- Conditions
- Sleep Quality, Chronotype, Prosocial Decision-Making, Circadian Timing
- Trial name
- SCPAD (NCT07697092)
- Testing
- Sleep, Circadian, and Prosocial Allocation Assessment
- Where
- 2 sites in Hong Kong
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Obesity
EAT-Lancet Diet, Chronotype, and Well-Being in Obesity
The aim of this study is to examine the relationship between the Planetary Health Diet (EAT-Lancet) dietary pattern, chronotype, and psychological well-being in obese individuals.
- Trial name
- NCT07168967
- Where
- Turkey (Türkiye)
- Volunteers
- 97 people
- Sponsor
- Abant Izzet Baysal University
Chronotype, Fibromyalgia Syndrome
Evaluation of Chronotype and Central Sensitization in Patients With Fibromyalgia Syndrome
The aim of study is to examine the chronotype preferences of patients with fibromyalgia syndrome and the relationship between central sensitization and chronotype, and to examine its relationship with pain intensity, disability…
- Trial name
- NCT06197087
- Testing
- cross-sectional observational survey study
- Where
- Turkey (Türkiye)
- Volunteers
- 500 people
- Sponsor
- Oğuzhan Kandemir
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
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
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