Clinical trials: Circadian Dysregulation
Sleep Deprivation, Circadian Dysregulation
Cardiometabolic Risk of Shiftwork
The overall goal of the present application is to test the hypothesis that shift workers, who are chronically exposed to circadian misalignment and sleep loss, have a higher cardio-metabolic risk than day workers, and that the…
- Conditions
- Sleep Deprivation, Circadian Dysregulation, Shift-Work Sleep Disorder
- Trial name
- SW (NCT01264913)
- Testing
- sleep extension & circadian alignment
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Dementia, Alzheimer Disease
Multidisciplinary Expert System for the Assessment & Management of Complex Brain Disorders
The Multidisciplinary Expert System for the Assessment \& Management of Complex Brain Disorders (MES-CoBraD) is an interdisciplinary project combining Real-World Data (RWD) from multiple clinical and consumer sources through…
- Conditions
- Dementia, Alzheimer Disease, Epilepsy, Sleep Disorder
- Trial name
- MES-CoBraD (NCT05171725)
- Testing
- EEG,PSG, biosample collection (blood and CSF), neuropsychological testing
- Where
- 4 sites in Greece, Israel and 2 more
- Volunteers
- 635 people, healthy volunteers welcome
- Sponsor
- Neurological Institute of Athens
Circadian Rhythm Disorders
Human Circadian Sensitivity to Very Short Light Pulses
The mammalian eye serves both visual and non-image-forming functions. New information about the non-image-forming anatomy and physiology of the eye has revealed effects of ocular light stimuli on human circadian rhythms…
- Trial name
- NCT01330992
- Testing
- Ocular light or darkness exposure
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Circadian Dysregulation
Development of Countermeasures Against Adverse Metabolic Effects of Shift Work
The goal of this application is to determine whether changing the timing of food intake prevents the adverse metabolic effects of circadian misalignment.
- Trial name
- NCT02291952
- Testing
- Meal schedule
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Circadian Dysregulation
Body Clocks - Coordination of Peripheral and Central Oscillators
The investigators are conducting an observational trial examining young women over the course of 28 days in which we are monitoring movement, sleep, heart rate, oxygen saturation, gut physiology, light, and menstrual cycle.
- Trial name
- NCT07459764
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Stanford University
Cardiovascular Risk Factor, Circadian Dysregulation
Body Weight, Sleep, and Heart Health
A multidisciplinary investigation examining the circadian mechanisms regulating cardiovascular (CV) risk, with an additional focus on obesity.
- Conditions
- Cardiovascular Risk Factor, Circadian Dysregulation, Obesity
- Trial name
- NCT03388788
- Testing
- Positron Emission Tomography (PET) scanning of cardiac function at 3 time points across the 24 hour circadian cycle
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Sleep, Circadian Dysregulation
The Impact of Artificial Sunlight on Human Sleep and Circadian Rhythms
The purpose of this study is to examine, in healthy controls, whether LED lighting that has a color spectrum similar to that of sunlight is able to differentially impact mood, circadian rhythms, sleep, and behavior, as compared…
- Conditions
- Sleep, Circadian Dysregulation, Mood
- Trial name
- NCT03636360
- Testing
- Light
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System
Aging, Mental Disorder
Self-Care for Dementia Caregivers
The Self-care for Dementia Caregivers Study is a behavioral health intervention that uses digital monitoring tools and motivational health coaching to help caregivers of persons with dementia engage in a regular routine of sleep…
- Conditions
- Aging, Mental Disorder, Eating, Healthy, Physical Inactivity
- Trial name
- Care2 (NCT05309577)
- Testing
- Behavioral Self-Monitoring + Motivational Interviewing
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
PreDiabetes, Circadian Dysregulation
Morning Light Treatment to Improve Glucose Metabolism
The primary purpose of this pilot study is to test a novel head worn light device (Re-Timer®) as an intervention to improve glucose metabolism in people with prediabetes.
- Trial name
- ML (NCT03188263)
- Testing
- Bright Light, Dim Light
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Sleep Deprivation, Diabetes
Home Sleep and Circadian Phase: Mediators of Diabetes Risk
The purpose of this study is to determine if deficient sleep and/or disruption with the body's internal clock ("circadian rhythms") are associated with diabetes risk.
- Conditions
- Sleep Deprivation, Diabetes, Circadian Dysregulation
- Trial name
- NCT01786564
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Sleep Apnea Syndromes, Insomnia
Evaluation of the Reliability and Validity of a Diagnostic Sleep Disorders Questionnaire
The study aims to develop and test a user-friendly, accessible approach to sleep assessment which can function as an initial "triage" of targeted sleep conditions, such as insomnia, insufficient sleep syndrome, sleep apnea…
- Conditions
- Sleep Apnea Syndromes, Insomnia, Insufficient Sleep Syndrome, Circadian Rhythm Disorders
- Trial name
- NCT03468400
- Where
- 2 sites in United States, Israel
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Dayzz Live Well Ltd.
Obesity, Circadian Dysregulation
OCEAN Registry: Obesity and Clock for Elegant Aging Registry
This study aims to study the relationships between obesity, circadian rhythm, and aging. The investigators set up a prospective cohort registry for morbid obesity, obesity, and normal subjects with annual follow-up.
- Conditions
- Obesity, Circadian Dysregulation, Aging, Cardiovascular Disease
- Trial name
- OCEAN (NCT02674230)
- Where
- Taiwan
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
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
Obesity & Overweight, Circadian Rhythm Disorders
Effects of Akkermansia Muciniphila and Berberine Supplementation on Insulin Sensitivity in Night-shift Workers
Night shift work is associated with an increased risk of obesity, insulin resistance, and cardiometabolic disorders, largely due to circadian misalignment, disrupted sleep, and altered eating patterns.
- Conditions
- Obesity & Overweight, Circadian Rhythm Disorders, Gut Microbiota Modulation, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance)
- Trial name
- Shift2Health (NCT07440147)
- Testing
- Verum (A)
- Where
- Austria
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- FH Joanneum Gesellschaft mbH
Sleep Disorder, Circadian Dysregulation
NIA_Improving Function and Well-being by Improving Patient Memory: Transdiagnostic Sleep and Circadian Treatment
Mental illness is often chronic, severe, and difficult to treat. Though there has been significant progress towards establishing effective and efficient interventions for psychological health problems, many individuals do not…
- Conditions
- Sleep Disorder, Circadian Dysregulation, Memory Impairment
- Trial name
- NCT05986604
- Testing
- Memory Support Intervention, Transdiagnostic Intervention for Sleep and Circadian Dysfunction
- Where
- United States
- Volunteers
- 178 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Circadian Rhythm Disorders, Intestinal Flora
An Observational Clinical Study on the Intestinal Flora in Circadian Rhythm Disorder and Healthy Controls
An observational clinical study on the changes of intestinal flora between people with circadian rhythm disorders and healthy controls was conducted to explore the relationship between circadian rhythm disorders and human…
- Trial name
- NCT05694481
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Third Military Medical University
Circadian Dysregulation
Maintaining Behavior Change: An Evaluation of a Habit-based Sleep Health Intervention
The study will test a sleep-health intervention that leverages the science on habit formation. It will evaluate if adding a text messaging intervention improves habit formation. The participants will be 18-30 years old.
- Trial name
- NCT05167695
- Testing
- Habit-based Sleep Health Intervention, Text messaging intervention
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm
Biomarkers for Circadian Timing in Healthy Adults
Study investigators want to learn more about the underlying biological clock and to see if the timing of that clock can be estimated from a single blood sample.
- Conditions
- Sleep Wake Disorders, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic, Advanced Sleep Phase Syndrome (ASPS)
- Trial name
- NCT03956745
- Testing
- sleep-wake timing, constant routine
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Breast Cancer
Sleep, Circadian Hormonal Dysregulation, and Breast Cancer Survival
Recent research provides evidence that disrupted circadian rhythms, including hormonal patterns and sleep, are associated with increased risk of breast cancer incidence and faster progression to mortality.
- Trial name
- NCT00519168
- Testing
- Urine sample, Electrode sleep recorder, phlebotomy
- Where
- United States
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- Stanford University
Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder
Breath Biomarkers for Sleep Loss and Circadian Timing
Insufficient sleep has both health and safety risks, but currently there are no quick, accurate and inexpensive ways to measure sleep deficiency.
- Conditions
- Shift-Work Sleep Disorder, Shift Work Type Circadian Rhythm Sleep Disorder, Sleep Disorders, Circadian Rhythm, Sleep Disorders, Intrinsic
- Trial name
- NCT03980340
- Testing
- Short Nap Intervention, No Nap Intervention
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital