Clinical trials: Circadian Rhythm Disorders
Circadian Rhythm Sleep Disorder, Unspecified
Feasibility Pilot of Bright Light in the Intensive Care Unit
To evaluate the feasibility of providing daytime bright light in the ICU in a pilot randomized controlled trial.
- Trial name
- NCT03568045
- Testing
- standard light, 10,000 lux bright light, 4 hours, 10,000 lux bright light, 8 hours
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Yale University
Inflammation, Sleep Deprivation
Circadian Rhythm Disruption Effects on Smoke Inhalation
Particulate matter exposure during smoke inhalation provokes inflammatory immune responses in people exposed to burning biomass including fire fighters and civilians.
- Conditions
- Inflammation, Sleep Deprivation, Circadian Rhythm Sleep Disorder, Shift Work Type, Smoke Inhalation
- Trial name
- NCT04955431
- Testing
- Sleep Restriction, Normal Sleep
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Montana
Binge-Eating Disorder, Circadian Rhythm Disorders
The Role of the Circadian System in Binge Eating Disorder
Binge eating disorder (BED) shows prominent circadian features that suggest a delay in circadian phase, and preliminary evidence shows binge eating may be responsive to chronobiological interventions, implicating a circadian…
- Trial name
- CHRONO-BE (NCT04724668)
- Testing
- Melatonin (3hrs before DLMO), Morning light version 1, Morning light version 2
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University of Cincinnati
Critical Illness, Sleep Deprivation
Improving the Sleep and Circadian Rhythms of Mechanically Ventilated Patients
The goal of this project is to determine whether the sleep and circadian rhythms of critically ill patients undergoing mechanical ventilation can be improved through practical strategies that can be employed at the bedside.
- Conditions
- Critical Illness, Sleep Deprivation, Respiratory Failure, Sleep Disorders, Circadian Rhythm
- Trial name
- NCT01284140
- Testing
- Sleep and circadian rhythm promotion, Usual care
- Where
- 2 sites in United States
- Volunteers
- 24 people
- Sponsor
- Brian Gehlbach
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
Cancer-related Problem/Condition, Depression
Programmed Environmental Illumination (PEI) of Hospital Rooms to Prevent/Reduce Cancer-Related Fatigue
A sample of 60 patients scheduled for HSCT in the treatment of MM will be recruited in the weeks to months prior to their hospitalization.
- Conditions
- Cancer-related Problem/Condition, Depression, Circadian Rhythm Disorders
- Trial name
- PEI (NCT03198754)
- Testing
- PEI Experimental Light, Comparison Light
- Where
- United States
- Volunteers
- 73 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Shift-Work Sleep Disorder
Effects of Daytime Eszopiclone Administration in Shift Workers
The purpose of this study is to test the effects of eszopiclone on daytime sleep and overnight wakefulness in shift workers.
- Trial name
- NCT00900159
- Testing
- eszopiclone
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Sleep Disorders, Circadian Rhythm
Efficacy of Ramelteon on Speeding Up Sleep in Subjects With Delayed Sleep Phase Syndrome
The purpose of this study is to evaluate the ability of ramelteon, once daily (QD), to advance the timing of sleep in individuals with delayed sleep phase syndrome.
- Trial name
- NCT00593736
- Testing
- Ramelteon
- Where
- 42 sites in United States
- Volunteers
- 132 people
- Sponsor
- Takeda
Glaucoma
Circadian Rhythms of Aqueous Humor Dynamics in Humans
This study is designed to identify physiological, pharmacological and pathological circadian fluctuations in aqueous humor inflow and outflow, systemic blood pressure and ocular blood flow in humans.
- Trial name
- NCT00572936
- Testing
- Latanoprost, Dorzolamide, Timolol
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Fatigue, Sleep Disturbance
Feasibility of Bright Light Therapy on Fatigue, Sleep and Circadian Activity Rhythms in Lung Cancer Survivors
The purpose of this study is to determine the feasibility of a morning bright light therapy intervention for fatigue, sleep disturbances, and circadian activity rhythms in lung cancer survivors.
- Conditions
- Fatigue, Sleep Disturbance, Circadian Dysregulation
- Trial name
- NCT02954809
- Testing
- Morning bright light therapy, Dim light
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- State University of New York at Buffalo
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
Sleep Disturbances
Individually Tailored Lighting System to Improve Sleep in Older Adults
In conjunction with investigators at the Cecil G. Sheps Center for Health Services Research, University of North Carolina (UNC) at Chapel Hill, we propose to develop and evaluate a low-cost, minimally obtrusive device that…
- Trial name
- NCT01855126
- Testing
- Blue light, Red light
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Rensselaer Polytechnic Institute
Sleep Initiation and Maintenance Disorders
Effects of Melatonin on Insomnia Symptoms in Older Adults
This study will determine whether melatonin tablets will increase the sleep of older adults with insomnia.
- Trial name
- NCT00230737
- Testing
- Melatonin 0.4 mg, Melatonin 4.0 mg
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Nalaka Gooneratne
Sleep Disorders, Circadian Rhythm, Cognitive Dysfunction
Feasibility Study on the Use of Redormin®500 on Day-time Cognition
Randomized, double-blind, parallel groups, placebo-controlled, baseline/run-in period of 21 days followed by trial period of 21 days, digital phenotyping (sleep, cognitive/psychological parameters and HRV).
- Trial name
- NCT05684523
- Testing
- Valerian-Hop Extract
- Where
- Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Max Zeller Soehne AG
Depression, Postpartum
The Effects of Light Therapy on Circadian Rhythms, Sleep, and Mood in Postpartum Depression
The proposed study aims to establish the feasibility of light therapy for postpartum depression delivered via Re-Timer, demonstrate its preliminary efficacy, and illuminate relationships between circadian shifts and mood changes…
- Trial name
- NCT02769858
- Testing
- Light therapy
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Michigan
Sleep Disorders
Sleep Length and Circadian Regulation in Humans
This research will examine why sleep restriction reduces the body clock's response to bright light. The results will enable the optimization of the bright light treatment of people who suffer from circadian rhythm sleep…
- Trial name
- HAM (NCT00843843)
- Testing
- Bright light box
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Blindness
Blind Child Melatonin Treatment Study
The primary focus of this five-year study will be to optimize the melatonin dosing regimen for synchronizing the body clocks of blind children to the 24-hour day.
- Trial name
- NCT00691444
- Testing
- Melatonin
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Oregon Health and Science University
Delayed Sleep-Wake Phase Disorder
Glasses for Adolescent Delayed Sleep-Wake Phase Disorder
The purpose of this study is to determine if evening amber glasses combined with stable wake times will show an increase in total sleep time (TST) and an advance in sleep onset times (shift earlier) compared to the control group.
- Trial name
- NCT04378933
- Testing
- Amber Glasses, Clear Lens Glasses
- Where
- 2 sites in United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
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 Disturbances, Depression
Methodology Issues in a Tailored Light Treatment for Persons With Dementia
Tailored light treatment will increase sleep efficiency, reduce depression and reduce agitation scores in those with Alzheimer's disease and related dementia
- Trial name
- NCT01816152
- Testing
- High Active intervention, Inactive intervention, Mid Level Active Intervention
- Where
- 2 sites in United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai