Clinical trials: Circadian Rhythms
Dementia, Alzheimer Disease
Zolpidem CR and Hospitalized Patients With Dementia
The purpose of this research study is to compare the effectiveness of Zolpidem CR to that of placebo in improving sleep efficiency in people with dementia admitted to the hospital because of their symptoms.
- Conditions
- Dementia, Alzheimer Disease, Dementia, Vascular, Sleep Disorders
- Trial name
- NCT00814502
- Testing
- Zolpidem CR
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Massachusetts General Hospital
Dementia, Alzheimer Disease
The Healthy Patterns Sleep Study
The Healthy Patterns Study intervention is a home-based activity intervention designed to improve symptoms of circadian rhythm disorders (CRD) and quality of life (QOL) in home-dwelling persons with dementia.
- Conditions
- Dementia, Alzheimer Disease, Circadian Rhythm Disorders, Circadian Rhythm Sleep Disorder
- Trial name
- NCT03682185
- Testing
- Attention-Control Condition, Timed Activity Intervention
- Where
- United States
- Volunteers
- 421 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
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
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
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
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
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
Bipolar Disorder, Psychosocial Intervention
Modeling Mood Course to Detect Markers for Effective Adaptive Interventions- Aim 3
This study is a 6-week micro-randomized trial investigating the feasibility of a mobile health platform. Its long-term objective is to develop a mobile health platform for the translation of a psychosocial intervention for…
- Trial name
- NCT04098497
- Testing
- Mobile intervention
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University of Wisconsin, Madison
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
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
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
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
Shift-Work Sleep Disorder
Transcranial Direct Current Stimulation Therapy for Sleepiness Related to Shift Work Disorder (tDCS-SWORD)
1. To determine the effects of tDCS on subjective measures of sleepiness in night-shift workers with shift work disorder. 2. To determine the effects of transcranial direct current stimulation (tDCS) on vigilance in night-shift…
- Trial name
- tDCS-SWORD (NCT03879044)
- Testing
- Transcranial Direct Current Stimulation
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Ohio State University
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
Hypertension, Insomnia
To Compare the Effectiveness of Suvorexant vs Placebo on Sleep Pressure in Hypertensives With Insomnia
The purpose of this study is to compare the effectiveness and safety of suvorexant versus placebo on sleep pressure and circadian rhythm in hypertensives with insomnia.
- Trial name
- Super1 (NCT02849184)
- Testing
- suvorexant
- Where
- 3 sites in Japan
- Volunteers
- 82 people
- Sponsor
- Jichi Medical University
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
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 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
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
Mild Cognitive Impairment
Rhythmic Light Therapy for Alzheimer's Disease Patients
The investigator will investigate how light delivering 40 hertz (Hz) affects subjective sleep and cognition in a controlled laboratory study.
- Trial name
- NCT05015478
- Testing
- Tailored Rhythmic Lighting Intervention
- Where
- 2 sites in United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai