Clinical trials: Circadian Rhythms
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
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
Attention Deficit Hyperactivity Disorder, Delayed Sleep Phase Type Circadian Rhythm Sleep Disorder
Blue Wavelength Light-blocking Glasses in ADHD-Insomnia
Patients with ADHD often report staying up late on the computer, watching TV, or using other electronic devices, all strong emitters of blue light which may be contributing to the delayed sleep onset times seen in some of these…
- Trial name
- ADHD (NCT01557595)
- Testing
- Polarized glasses designed to filter out blue light
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- University of Alabama at Birmingham
Lightning Strategies on Health, Circadian Rhythms Photoentrainment
Population Based Lighting Study on Older Adults
The ENLIGHTENme project aims at collecting evidence about the impact of outdoor and indoor lighting on human health and wellbeing through the development and testing of innovative solutions and policies that will also counteract…
- Conditions
- Lightning Strategies on Health, Circadian Rhythms Photoentrainment, Photoentrainment and Sleep, DLMO
- Trial name
- ENLIGHTENme (NCT05676086)
- Testing
- indoor light intervention, no indoor light
- Where
- Italy
- Volunteers
- 191 people
- Sponsor
- Azienda Usl di Bologna
Phenylketonuria (PKU)
A Pilot Study on Diurnal Variation
This self-controlled, prospective, pilot study is designed to gather information regarding the diurnal variation (changes that occur each day) in the levels of plasma phenylalanine (Phe) and tyrosine in patients with…
- Trial name
- NCT01806051
- Testing
- Kuvan
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Dr. Linda Randolph
Shift-Work Sleep Disorder, Shift-Work Related Sleep Disturbance
Sleep and Circadian Treatments for Shift Workers
There are three components to this study: a Field Trial, a Shift Worker Survey, and Focus Groups. The Investigators will study the effectiveness, feasibility, and acceptability of an 8-h sleep intervention in older night workers…
- Trial name
- NCT03813654
- Testing
- 8-h Afternoon-Evening Sleep, 8-h Free Sleep
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
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
Circadian Rhythm Disorders
A Study to Assess the Wakefulness Promoting Effect, Safety, Tolerability, and Pharmacokinetics (PK) of LML134 in Shift Work Disorder
The main purpose of this study was to demonstrate that LML134 can increase wakefulness compared to placebo in patients with shift work disorder (SWD) measured by objective and subjective endpoints of wakefulness, i.e.
- Trial name
- NCT03141086
- Testing
- LML134
- Where
- 8 sites in United States
- Volunteers
- 24 people
- Sponsor
- Novartis Pharmaceuticals
Obesity
Effect of Time-restricted Eating on Catecholamine-sensitivity of Adipose Tissue in Obese Adults
In a randomized controlled trial, the investigators intend to measure the health impact of time-restricted eating (TRE) in obese patients (body mass index (BMI) ≥ 30 kg/m2), who habitually eat for more than 14 hours every day.
- Trial name
- NCT04916730
- Testing
- Standard of Care, Time Restricted Eating
- Where
- United States
- Volunteers
- 61 people
- Sponsor
- University of California, San Diego
Parkinson Disease
Efficacy Study of Light Therapy as an Adjunctive Treatment for Parkinson's Disease
Light treatment was originally employed in Parkinson's disease (PD) to determine if it might be effective in treating co-existing symptoms of depression and insomnia.
- Trial name
- NCT02175472
- Testing
- Spectramax light therapy device, Control light device
- Where
- 3 sites in United States, Netherlands
- Volunteers
- 92 people
- Sponsor
- PhotoPharmics, Inc.
Intraocular Pressure
Aqueous Humor Dynamics and Brimonidine
This single-center, investigator-masked, crossover study is designed to investigate the circadian rhythms of aqueous humor dynamics in human subjects with ocular hypertension (OHT) before and after intervention with a commonly…
- Trial name
- Brimonidine (NCT01144494)
- Testing
- Brimonidine, Artificial tears
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- University of Nebraska
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
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
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
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
Non-24-Hour Sleep-Wake Disorder
Efficacy and Safety of Tasimelteon Compared With Placebo in Totally Blind Subjects With Non-24-Hour Sleep-Wake Disorder
The purpose of this study is to evaluate the efficacy and safety of a six month double-mask treatment of tasimelteon or placebo in male and female subjects with Non-24-Hour Sleep-Wake Disorder
- Trial name
- NCT01163032
- Testing
- tasimelteon
- Where
- 28 sites in United States, Germany
- Volunteers
- 136 people
- Sponsor
- Vanda Pharmaceuticals
Irregular Sleep-Wake Rhythm Disorder
Study of Lemborexant for Irregular Sleep-Wake Rhythm Disorder and Mild to Moderate Alzheimer's Disease Dementia
This study will be conducted to determine the dose response of lemborexant (LEM) on the change from baseline in actigraphy-derived sleep-related parameters, wake-related parameters, and circadian-rhythm related parameters.
- Trial name
- NCT03001557
- Testing
- Lemborexant 2.5 mg, Lemborexant 5 mg, Lemborexant 10 mg
- Where
- 48 sites in United States, Japan and 1 more
- Volunteers
- 63 people
- Sponsor
- Eisai Inc.
Metabolic Syndrome X
Diurnal Variation of Plasminogen Activator Inhibitor-1
To determine if nighttime administration of an aldosterone antagonist would effectively lower peak plasma Plasminogen Activator Inhibitor-1 (PAI-1) levels more effectively than morning administration.
- Trial name
- NCT00515021
- Testing
- Eplerenone (Morning), Eplerenone (Night-time)
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Vanderbilt University Medical Center
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