Clinical trials: Rhythm
Healthy
Interaction of Chronic Sleep Restriction and Circadian Misalignment on Sleep and Neuro-cognitive Performance
The primary objectives of the proposed experimental and modeling efforts are to quantify the influences of acute sleep deprivation (short-term homeostatic), chronic sleep restriction (long-term homeostatic), circadian…
- Trial name
- NCT00438438
- Testing
- forced desynchrony protocol with sleep restriction
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Atrial Fibrillation
Atrial Fibrillation Cycle Length Measured on Transesophageal Echocardiography
Background: The atrial fibrillation cycle length (AFCL) measured by electrophysiologic study is well known parameter for the maintenance of sinus rhythm after DC cardioversion (DCCV) or ablation therapy.
- Trial name
- NCT03496272
- Where
- South Korea
- Volunteers
- 100 people
- Sponsor
- Pusan National University Yangsan Hospital
Obstructive Sleep Apnea
Circadian Intraocular Pressure Patterns in Patients With Sleep Apnea Syndrome and Treatment With Continuous Air Pressure
The purpose of this study is to evaluate the influence of sleep apnea-hypopnea syndrome (SAHS) syndrome and treatment with continuous air pressure (CPAP) on the circadian intraocular pressure (IOP) patterns and its structural…
- Trial name
- NCT06152692
- Testing
- Continuous positive airway pressure
- Where
- Spain
- Volunteers
- 111 people
- Sponsor
- Sociedad Española de Neumología y Cirugía Torácica
Atrial Fibrillation, Abnormal Heart Rhythms
COMparison of Physiological Algorithms for Real-time Evaluation of Atrial Fibrillation
This is a cohort study to evaluate algorithms for mapping atrial fibrillation by mapping atrial structure and mapping electrical activity to detect physiologically important areas.
- Trial name
- COMPARE_AF (NCT02997254)
- Where
- United States
- Volunteers
- 1,000 people
- Sponsor
- Stanford University
Circadian Rhythm Sleep Disorders, Non-24 Hour Sleep-Wake Disorder
Study of the Pharmacokinetics and Safety of Tasimelteon in Children and Adolescents
Open-label Study to Investigate the Pharmacokinetics and Safety of Tasimelteon in Children and Adolescents.
- Conditions
- Circadian Rhythm Sleep Disorders, Non-24 Hour Sleep-Wake Disorder, Autism Spectrum Disorder, Smith-Magenis Syndrome
- Trial name
- NCT02776215
- Testing
- tasimelteon
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Vanda Pharmaceuticals
Natriuretic Peptides, Obesity
The Diurnal Rhythm in Natriuretic Peptide Levels
The purpose of the study to assess the diurnal rhythm in natriuretic peptide levels and its temporal relationship with nocturnal blood pressure in obese and African-American individuals as compared with lean and white individuals.
- Conditions
- Natriuretic Peptides, Obesity, Nocturnal Blood Pressure
- Trial name
- NCT03834168
- Testing
- standardized Study Diet
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Delayed Sleep Phase Syndrome, Delayed Sleep Phase
Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder
The goal of this study is to understand factors that contribute to delayed sleep wake phase disorder (DSWPD). The investigators will examine whether patients with DSWPD exhibit alterations in circadian rhythms and sensitivity to…
- Trial name
- NCT06471374
- Testing
- Circadian rhythm assessment, Light sensitivity assessment
- Where
- 2 sites in United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Boulder
Sleep, Circadian Rhythm
Sleep and Circadian Contributions to Nighttime Blood Pressure
Broadly, this study (SCN-BP) seeks to examine sleep and circadian factors that contribute to blood pressure levels at night.
- Conditions
- Sleep, Circadian Rhythm, Blood Pressure, Hypertension
- Trial name
- SCN-BP (NCT05656768)
- Testing
- Constant Routine Protocol
- Where
- United States
- Volunteers
- 1,427 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Bipolar Disorder, Major Depression
NIMH Rhythms and Blues Study: A Prospective Natural History Study of Motor Activity, Mood States, and Bipolar Disorder
Background: Mood disorders, such as bipolar disorder, can have serious effects on a person s life. People with bipolar disorder are more likely to have heart disease and abuse substances.
- Conditions
- Bipolar Disorder, Major Depression, Migraine
- Trial name
- NCT05669703
- Where
- United States
- Volunteers
- 1,260 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Cataract, Age-related Cataract
Association Between Light Spectrum and Survival After Cataract Surgery
This study was a retrospective observational cohort analysis of subjects aged 65 years and older, who underwent bilateral cataract surgery within a single (15 hospital) healthcare system, to determine the association between type…
- Conditions
- Cataract, Age-related Cataract, Circadian Rhythm Disorders, Glaucoma
- Trial name
- NCT04187157
- Testing
- Blue-light filtering intraocular lens, Conventional intraocular lens
- Where
- United States
- Volunteers
- 10,192 people
- Sponsor
- University of Pittsburgh
Feeding Patterns, Sleep
The Impact of Overnight Nutrition Support on Sleep and Circadian Rhythm Disruption in the ICU
The purpose of this study is to determine whether modifying the timing of nutrition support from overnight to daytime enhances sleep quality, preserves circadian rhythms, and improves overall inflammation and cardiometabolic…
- Conditions
- Feeding Patterns, Sleep, Glucose Intolerance
- Trial name
- NCT04737200
- Testing
- Time-of-day of enteral nutrition provision (daytime first), Time-of-day of enteral nutrition provision (nighttime first)
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Massachusetts General Hospital
Chronotype, Exercise
The Effect of Circadian Rhythm on Physical Performance in Healthy Male Individuals
Little is known about optimizing the timing of exercise periods to maximize the health benefits of exercise. Furthermore, exercise is a potent modulator of skeletal muscle metabolism and it is clear that skeletal muscle has a…
- Trial name
- NCT06311539
- Testing
- Theraband Strengthening Exercise Program
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Istanbul Bilgi University
Atrial Fibrillation, Atrial Flutter
EURopean Trial In Atrial Fibrillation(AF) or Flutter (AFL) Patients Receiving Dronedarone for the maIntenance of Sinus Rhythm (EURIDIS)
To assess the efficacy of dronedarone versus placebo for the maintenance of normal sinus rhythm after electrical, pharmacological or spontaneous conversion of atrial fibrillation/atrial flutter (AF/AFL).
- Trial name
- EURIDIS (NCT00259428)
- Testing
- Dronedarone (SR33589)
- Where
- 12 sites in Belgium, Czechia and 10 more
- Volunteers
- 615 people
- Sponsor
- Sanofi
Atrial Fibrillation
The Use of DIOVAN to Reduce Post-Cardioversion Recurrence of Atrial Fibrillation Trial (the DRAFT Trial)
24 week, single center, prospective, randomized, double-blind treatment study of valsartan (80 mg/bid, increased to 160 mg/bid) or placebo in addition to other general medical therapy in patients with persistent atrial…
- Trial name
- NCT00343499
- Testing
- valsartan
- Where
- 3 sites in United States
- Volunteers
- 200 people
- Sponsor
- Intermountain Health Care, Inc.
Bipolar II Disorder
Psychotherapy for Bipolar II Depression, Pilot Study, Phase II
Purpose of this study is to examine the effectiveness of an experimental psychotherapy (talk therapy) for the treatment of bipolar II depression.
- Trial name
- NCT00411463
- Testing
- Interpersonal and Social Rhythm Therapy (IPSRT-BPII), Seroquel
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- University of Pittsburgh
Circadian Rhythm Sleep-Wake Disorder
Evaluating the Effectiveness of Intervention Based on the Model of Occupational Harmony in Patients With Sleep Disorders
The goal of this clinical trial is to learn the effectiveness of an intervention based on the Model of Occupational Harmony (MOHar) in treating patients with sleep disorders.
- Trial name
- NCT06558929
- Testing
- Occupational Therapy, Conventional Treatment
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Peking University First Hospital
Paroxysmal Atrial Fibrillation, Stroke
Testing the Accuracy of a Personal Heart Rhythm Monitor to Detect Prolonged Paroxysmal Atrial Fibrillation
This study aims to determine the sensitivity and specificity of a Personal Heart Rhythm Monitor in the detection of prolonged paroxysmal atrial fibrillation (defined as lasting more than 12 hours) against pre-existing implantable…
- Trial name
- NCT01917981
- Testing
- Personal Heart Rhythm Monitor
- Where
- 2 sites in United Kingdom
- Sponsor
- University of Surrey
Arrhythmias, Cardiac, Cardiac Arrest
Development of a Novel Convolution Neural Network for Arrhythmia Classification
Identifying the correct arrhythmia at the time of a clinic event including cardiac arrest is of high priority to patients, healthcare organizations, and to public health.
- Conditions
- Arrhythmias, Cardiac, Cardiac Arrest, Cardiac Arrythmias
- Trial name
- AI-ECG (NCT03662802)
- Testing
- Neural Network Classifier
- Where
- United States
- Volunteers
- 25,458 people, healthy volunteers welcome
- Sponsor
- Scripps Clinic
Caffeine, Caffeine Withdrawal
Influence of Caffeine Consumption on the Human Circadian System
Surveys indicate that 85% of the adult population consume caffeine on a daily basis. Caffeine acts on sleep homeostatic mechanisms by antagonizing the sleep factor adenosine.
- Conditions
- Caffeine, Caffeine Withdrawal, Sleep, Circadian Rhythm
- Trial name
- CICAFF (NCT05409339)
- Testing
- Caffeine
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Psychiatric Hospital of the University of Basel
Atrial Fibrillation, Heart Failure
Cardiac Resynchronization in Atrial Fibrillation Trial - a Pilot Study
The purpose of this prospective randomized study is to determine whether patients on cardiac resynchronization therapy with concomitant long-standing persistent or permanent atrial fibrillation would benefit from a strategy to…
- Trial name
- Pilot-CRAfT (NCT01850277)
- Testing
- Amiodarone, External electrical cardioversion (EEC), Pharmacotherapy to slow and control ventricular rate
- Where
- Poland
- Volunteers
- 60 people
- Sponsor
- National Institute of Cardiology, Warsaw, Poland
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