Clinical trials: Circadian Rhythms
Ulcerative Colitis
The Impact of Circadian Misalignment on Colonic Barrier Homeostasis in Ulcerative Colitis
The purpose of this study is to investigate if circadian malalignment (unusual sleeping patterns), such as night shifts (sleeping during the day and being awake during the night time), worsens the inflammation of the gut.
- Trial name
- NCT05180279
- Testing
- 7-day sleep lab
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Obesity
Randomized Study of Daytime vs. Delayed Eating: Effect on Weight and Metabolism
The purpose of this study is to determine if, controlling for eating and sleep timing, caloric intake, and exercise, daytime vs. delayed eating affects body mass, adiposity, and energy metabolism in healthy adults.
- Trial name
- NCT04414644
- Testing
- Eating Condition
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Delayed Sleep Phase Syndrome
The Clinical Utility of Measuring the Circadian Clock in Treatment of Delayed Sleep-Wake Phase Disorder
This study will test whether measuring the circadian clock during treatment of delayed sleep-wake phase disorder results in greater improvements in sleep compared to estimating the circadian clock.
- Trial name
- NCT03715465
- Testing
- Melatonin 0.5 MG, Dim Light Melatonin Onset (salivary)
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- University of Michigan
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
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
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
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.
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
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
Blindness
Young Blind Child Melatonin Treatment Study
The primary goal of this study is to identify the presence of desynchronized circadian rhythms in 25 children by measuring melatonin secretion in serial blood or saliva samples, and to rule out any primary sleep disorders.
- Trial name
- NCT00688935
- Testing
- Melatonin
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Oregon Health and Science University
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
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
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
Narcolepsy, Sleep Apnea, Obstructive
Armodafinil (CEP-10953) for Treatment of Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome, or Chronic Shift Work Sleep Disorder
The primary objective of this study is to evaluate the safety and tolerability of Armodafinil (CEP-10953) administered on a flexible-dosage regimen of 100 to 250 mg/day for up to 12 months to patients with excessive sleepiness…
- Conditions
- Narcolepsy, Sleep Apnea, Obstructive, Sleep Apnea Syndromes, Shift-Work Sleep Disorder
- Trial name
- NCT00078312
- Testing
- CEP-10953 (Armodafinil)
- Where
- 50 sites in United States, Russia
- Volunteers
- 328 people
- Sponsor
- Cephalon
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
Glucose, Circadian Rhythm
Interaction of Melatonin and MTNR1B Genotype on Glucose Control - Study 1
This project aims to test the impact of melatonin and MTNR1B variation on regulation glucose regulation in a highly controlled in-laboratory setting and ex vivo in pancreatic islets.
- Conditions
- Glucose, Circadian Rhythm, Melatonin, Genes
- Trial name
- NCT02642640
- Testing
- melatonin
- Where
- United States
- Volunteers
- 23 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
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
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
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