Clinical trials: Variability
Duchenne Muscular Dystrophy
Heart Rate Variability in Individuals With Duchenne Muscular Dystrophy
A cross-sectional study was carried out, in which 40 boys, aged 11 to 18 years, were evaluated. The recruitment of groups was carried out at the neuromuscular disease outpatient clinic of the Federal University of São Paulo…
- Trial name
- NCT04740554
- Testing
- Duchenne Muscular Dystrophy group with Deflazacort, Duchenne Muscular Dystrophy group with Prednisone/Predisolone, Duchenne Muscular Dystrophy group without Corticosteroids therapy
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Heart Rate Control, Recovery Following Exercise
Recovery of Heart Rate Variability in Handball Players
This study aimed to compare the acute effects of manual massage (MM) and foam rolling (FR) on heart rate variability (HRV) following a 20 m shuttle run test (20m-SRT) in elite male handball players.
- Trial name
- HRV-HANDBAll (NCT07648966)
- Testing
- Manul Massage (MM), Foam Rolling (FR)
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Uludag University
Psychiatric Disorder, Depression
Investigating Neural Response Variability as a Single-patient Predictor of Successful CBT in Clinical Psychiatry
Many psychiatric patients are not sufficiently improved by current interventions. Functional magnetic imaging brain imaging (fMRI) has proven to be a promising method for predicting treatment outcomes in psychiatric treatment.
- Conditions
- Psychiatric Disorder, Depression, Anxiety Disorders, Insomnia
- Trial name
- TreVar (NCT04191811)
- Testing
- Internet-delivered cognitive behavioral therapy for major depressive disorder, Internet-delivered cognitive behavioral therapy for insomnia, Internet-delivered cognitive behavioral therapy for social anxiety disorder
- Where
- Sweden
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Caffeine, Spinal Cord Injury
Influence of Caffeine on HRV and Exercise Performance in Spinal Cord Injury
The aim is to investigate the influence of caffeine on heart rate variability and on performance in a 3 min exercise test in different population groups (able-bodied, paraplegic and tetraplegic subjects).
- Trial name
- NCT02083328
- Testing
- Caffeine
- Where
- Switzerland
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Swiss Paraplegic Research, Nottwil
Cardiovascular Diseases in Old Age
Efficacy Long-term Dietary Nitrate Consumption to Plasma Nitrite Conversion
The objective of this study was to determine the chronic effects of beetroot juice supplementation on the acute (90-minute post nitrate consumption) efficacy of converting dietary nitrate to plasma nitrate and plasma nitrite in…
- Trial name
- NCT05380167
- Testing
- BRJ Nitrate
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Wake Forest University
Fetal Growth Retardation
Fetal Heart Rate Variability
Need statement a new way to distinguish between a healthy small fetus and a small fetus suffering from deprivation of nutrition and oxygen to prevent unnecessary induction of preterm birth and improve neonatal outcome.
- Trial name
- NCT04323865
- Testing
- fetal heart rate variability
- Where
- Denmark
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Purpura, Thrombocytopenic, Idiopathic, Acute Idiopathic Thrombocytopenic Purpura
Subject Variability in Two Lots of E5501 Administered to Fed and Fasted Healthy Subjects
This will be a randomized, open-label, four-group, two-period, replicate design study to evaluate the effect of food on within and between subject variability in second generation formulation 20-mg tablet strengths, Lots…
- Conditions
- Purpura, Thrombocytopenic, Idiopathic, Acute Idiopathic Thrombocytopenic Purpura, Chronic Thrombocytopenia
- Trial name
- NCT01327872
- Testing
- E5501 40 mg 2 x 20-mg tablets, orally, fasted, E5501 40 mg 2 x 20-mg tablets, orally, with food, E5501 40mg 2 x 20-mg tablets, orally, fasted
- Where
- Netherlands
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Eisai Inc.
Hemodynamic Assessment, Bedside Ultrasonography
Assessment of LVOT VTI in Healthy Volunteers
Healthy subjects will have transthoracic echocardiography evaluation of Left Ventricular Outflow Tract Velocity-Time Integral (LVOT VTI) performed by operators after brief training.
- Conditions
- Hemodynamic Assessment, Bedside Ultrasonography, Point of Care Ultrasound (POCUS)
- Trial name
- NCT07600931
- Testing
- transthoracic echocardiography
- Where
- Poland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical University of Warsaw
Green Exercise, Indoor Exercise
The Effects of High Intensity Circuit Training in Nature Vs. Indoor on Exercise Performance, and Wellbeing
Exercising in a nature setting has been credited with benefits for health and well-being, more so than exercising indoors. Additionally, motoric performance in the same exercise (e.g., running speed, more strenuous physical…
- Trial name
- NCT05090501
- Testing
- High Intensity Circuit Training
- Where
- Portugal
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Faculdade de Motricidade Humana
Adult
LasaiON is an Evidence-informed, Multimodal Self-regulation Program Designed to Reduce Emotional Distress and Strengthen Stress-regulation Skills by Combining Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) With Breathing Supported by Heart-rate Variability Biofeedback (HRV-B; emWave).
The goal of this clinical trial is to evaluate whether the LasaiON program, which combines transcutaneous auricular vagus nerve stimulation (taVNS) with breathing supported by heart rate variability biofeedback (HRV-B; emWave)…
- Trial name
- LasaiON (NCT07498881)
- Testing
- LasaiON
- Where
- Spain
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of the Basque Country (UPV/EHU)
Healthy Individuals
Effect of Kinesthetic Motor Imagery on Heart Rate, Heart Rate Variability, and Skin Resistance
Motor Imagery (MI) is defined as imagining an action in the mind without any explicit physical movement. MI is considered an "offline" process of the motor areas of the brain.
- Trial name
- NCT06482528
- Testing
- Motor Imagery
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Kutahya Health Sciences University
Healthy Adult Participants
The Effects of Multiple Object Tracking And Mental Imagery On Tennis Performance
The goal of this clinical trial was to evaluate whether multiple object tracking and mental imagery training affect tennis performance, executive functions, anxiety, and psychophysiological variables in university students…
- Trial name
- MOT-MI (NCT07794228)
- Testing
- Multiple Object Tracking Training, Mental Imagery Training
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Halic University
Cognitive Fatigue, Mental Fatigue
Effects of Natural Sounds on Attention Restoration in Noisy Environment
This study aims to examine whether listening to natural sounds in a noisy (traffic) environment compared to traffic noise only impacts behavioural, cognitive, affective, and physiological markers associated with attention…
- Conditions
- Cognitive Fatigue, Mental Fatigue, Heart Rate Variability, Skin Conductance
- Trial name
- EARS (NCT05009784)
- Testing
- Baseline, Fatigue Manipulation, Traffic Sound
- Where
- Singapore
- Volunteers
- 162 people, healthy volunteers welcome
- Sponsor
- Nanyang Technological University
Heart Rate, Heart Rate Variability
Contactless Measurement of Heart Rate, Heart Rate Variability and Breathing Rate Using Remote Photoplethysmography
The purpose of this study it to evaluate the accuracy of heart rate, heart rate variability and breathing rate measurement with the use of Shen.AI Vitals software developed by MX Labs.
- Conditions
- Heart Rate, Heart Rate Variability, Respiratory Rate
- Trial name
- NCT05889832
- Testing
- measurement of physiological parameters wih Shen.AI Vitals software on various camera-equipped devices (smartphones, tablets, laptops)
- Where
- Poland
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- SHEN.AI spółka z ograniczoną odpowiedzialnością oddział w Polsce
Perfusion Index and Pleth Variability Index an Early Indicator of the Success of Brachial Plexus Block; Randomized Clinical Trial
Perfusion Index and Pleth Variability Index an Early Indicator of the Success of Brachial Plexus Block; Randomized Clinical Triall
Abstract: Background: In investigators study, we aimed to compare PI and PVI between the interscalen block and infraclavicular block and evaluate its use as an early marker in block success.
- Trial name
- NCT05208632
- Testing
- INTERSCALEN BLOCK APPLICATION WITH USG
- Where
- Turkey (Türkiye)
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Malatya Egitim Ve Arastirma Hastanesi
Aging, Cognitive Function Abnormal
Executive Functioning Training Study
Cognitive aging in people with HIV (PWH) is of increasing concern for several reasons: 1) between 52%-59% of PWH experience cognitive impairment known as HIV-Associated Neurocognitive Disorder (HAND) which impacts everyday…
- Conditions
- Aging, Cognitive Function Abnormal, Cognitive Performance, Cognitive Training
- Trial name
- EFT (NCT05598047)
- Testing
- Executive Functioning Training
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Airway Obstruction
One Minute Heart Rate Variability Quantification in Airway Obstruction Model
40 healthy volunteers underwent a trial of obstructed breathing through an eighteen cm long, four mm internal diameter tube. Heart rate was recorded during three consecutive sets comprised of one minute control followed by one…
- Trial name
- RRV Airway (NCT03733704)
- Testing
- Heart rate variability analysis
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Rambam Health Care Campus
Smoking, Cigarette, Smoking Cessation
A Cognitive Behavioral Stress Intervention for Women Who Smoke
1. PURPOSE OF THE STUDY 1.1 Justification The purpose of the project is to examine the effect of breathing biofeedback and thoughts about stress on performance under stress and cigarette cravings.
- Conditions
- Smoking, Cigarette, Smoking Cessation, Stress, Stress, Emotional
- Trial name
- NCT03077945
- Testing
- heart rate variability biofeedback and cognitive reappraisal, control tasks
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Burst Suppression, General Anesthesia
Interrater Variability for the Identification of Anesthetic-induced Burst Suppression EEG
Burst suppression describes a specific EEG pattern that can generally indicate a too deep general anesthesia. The pathophysiology of anesthetic-induced Burst Suppression may be distinctly different from the pathophysiology of…
- Conditions
- Burst Suppression, General Anesthesia, Electroencephalogram
- Trial name
- NCT05508386
- Testing
- MATLAB-based interface, showing 50 EEG traces, classification of the EEG-pattern as Burst Suppression possible, yes, no.
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Healthy Volunteers
Vestibular Perception Gates Autonomic Responses to Sinusoidal Galvanic Vestibular Stimulation
Brief Summary This randomized, double-blind, sham-controlled clinical trial is designed to investigate whether repeated sinusoidal galvanic vestibular stimulation (GVS) influences cardiac autonomic regulation in healthy adults…
- Trial name
- GVS-HRV (NCT07715227)
- Testing
- Galvanic Vestibular Stimulation (GVS) using BrainPatch device
- Where
- 2 sites in Kazakhstan
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Al-Farabi Kazakh National University