Clinical trials: Circadian Rhythm Disorders
Hypertension, Cardiovascular Risk Factor
Sleep and Circadian Mechanisms of Non-dipping Blood Pressure
This study will be the first to distinguish the relative contributions of sleep, circadian and behavioral mechanisms to the non-dipping BP profile in Black adults and will lay the groundwork for optimizing therapies dependent on…
- Trial name
- NCT03558893
- Testing
- Forced Desynchrony
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
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
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 Disorder, Circadian Dysregulation
Implementing and Sustaining a Sleep Treatment to Improve Community Mental Part 1: Implementation Health Outcomes
The sleep disturbance commonly experienced by individuals with a severe mental illness (SMI) reduces these individuals' capacity to function and contributes to key symptoms.
- Trial name
- NCT04154631
- Testing
- Standard Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS-C), Adapted Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS-C), Usual Care Delayed Treatment
- Where
- 10 sites in United States
- Volunteers
- 489 people
- Sponsor
- University of California, Berkeley
Metabolic Syndrome, Pre-Diabetes
The Influence of Time-Restricted Eating in Patients With Metabolic Syndrome
In a randomized controlled trial, the investigators intend to measure the health impact of TRE in patients with metabolic syndrome (with three or more of the following criteria: increased waist circumference, abnormal cholesterol…
- Trial name
- TIMET (NCT04057339)
- Testing
- Time Restricted Eating + Standard of Care, Standard of Care
- Where
- United States
- Volunteers
- 122 people
- Sponsor
- University of California, San Diego
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
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
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
Sleep, Circadian Rhythm Disorders
Sleep Timing, Eating and Activity Measurement Study
There is strong reason to believe that sleep promotion during adolescence could yield long-term health rewards; the investigators' data show that, when they get more sleep, Morning Larks have impressively reduced intake of…
- Conditions
- Sleep, Circadian Rhythm Disorders, Dietary Habits
- Trial name
- STEAM (NCT04992611)
- Testing
- Sleep Extension (Early), Sleep Extension (Late)
- Where
- United States
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Non-24-Hour-Sleep-Wake Disorder
Open Label Study to Assess the Absolute Bioavailability of Tasimelteon (HETLIOZ™)
Hetlioz™ (tasimelteon) is used in the treatment of Non-24-Hour-Sleep-Wake Disorder (Non-24). Non-24 is very common in people who are totally blind because light can not reset their body clock.
- Trial name
- NCT02130999
- Testing
- tasimelteon 20 mg capsule, tasimelteon 2 mg I.V.
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Vanda Pharmaceuticals
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
Respiratory Failure, Critical Illness
Sleep and Circadian Rhythms in Mechanically Ventilated Patients
This study examines the feasibility of assessing sleep and circadian rhythmicity in critically ill patients undergoing mechanical ventilation.
- Trial name
- NCT01276652
- Testing
- Environmental modification
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- University of Iowa
Delayed Sleep Phase Syndrome
Randomized Controlled Trial on the Treatment Effects of Melatonin and Light Therapy on Delayed Sleep Phase Syndrome
In this study the investigators will examine the effects of melatonin and light therapy on delayed sleep phase syndrome in adolescents 16 up to 20 years old.
- Trial name
- NCT00834886
- Testing
- Melatonin, Bright light
- Where
- Norway
- Volunteers
- 40 people
- Sponsor
- University of Bergen
Traumatic Brain Injury, Fatigue
Treatment of Post-Traumatic Brain Injury (Post-TBI) Fatigue With Light Therapy
This study aims to evaluate the efficacy of 4 weeks of daily light exposure in reducing Post-Traumatic Brain Injury (TBI) Fatigue immediately post-treatment and at a one-month follow up.
- Trial name
- NCT01725750
- Testing
- Bright White Light (BWL), Dim Red Light (DRL)
- Where
- United States
- Volunteers
- 88 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
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
Shift-Work Sleep Disorder, Insomnia
Fire Fighter Fatigue Management Program: Operation Healthy Sleep
Firefighters work some of the most demanding schedules known under highly stressful and demanding conditions. The need to work frequent extended shifts and long work weeks leads to acute and chronic partial sleep deprivation as…
- Conditions
- Shift-Work Sleep Disorder, Insomnia, Restless Leg Syndrome, Obstructive Sleep Apnea
- Trial name
- NCT01988129
- Testing
- Sleep disorders education and screening
- Where
- United States
- Volunteers
- 1,189 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Non-24-Hour Sleep-Wake Disorder
Withdrawal Study to Demonstrate the Maintenance Effect in the Treatment of Non-24-Hour Sleep-Wake Disorder
The purpose of this study is to evaluate the maintenance effect and safety of 20 mg tasimelteon versus placebo in subjects suffering from Non-24-Hour Sleep-Wake Disorder.
- Trial name
- NCT01430754
- Testing
- tasimelteon
- Where
- 22 sites in United States
- Volunteers
- 20 people
- Sponsor
- Vanda Pharmaceuticals
Obesity, Hypertension
Timing of Sodium Intake and Nocturnal Sodium Excretion and Blood Pressure in Obese African Americans
Experimental data have shown that timing of sodium intake impacts diurnal patterns of sodium excretion. The purpose of this study is to test the hypothesis that the time of day for salt intake impacts (1) blood pressure rhythms…
- Conditions
- Obesity, Hypertension, Circadian Dysregulation, Salt; Excess
- Trial name
- NCT04021355
- Testing
- Oral sodium supplementation
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Obstructive Sleep Apnea of Adult, Insomnia
Sustainable Methods, Algorithms, and Research Tools for Delivering Optimal Care Study
Sustainable Methods, Algorithms, and Research Tools for Delivering Optimal Care Study (SMART DOCS) was designed to develop and evaluate a new approach (patient-centered outcomes and coordinated-care management [PCCM]) for the…
- Conditions
- Obstructive Sleep Apnea of Adult, Insomnia, Circadian Rhythm Sleep Disorder, Sleep Related Movement Disorders
- Trial name
- SMART DOCS (NCT02037438)
- Testing
- CONV care for the diagnosis and treatment of sleep disorders, PCCM for the diagnosis and treatment of sleep disorders
- Where
- United States
- Volunteers
- 1,836 people
- Sponsor
- Stanford University
Sleep Disorder, Shift-Work
Examination of the Effectiveness of Suvorexant in Improving Daytime Sleep in Shift Workers
The purpose of this study is to test the hypothesis that ingestion of the wake-inhibiting drug suvorexant 30 minutes prior to daytime sleep initiation in individuals working overnight shifts will significantly improve both…
- Trial name
- NCT02491788
- Testing
- Suvorexant
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System