Clinical trials: Variability
Autonomic Nervous System Function, Psychophysiological Regulation
Effects of Brief Heart Rate Variability Biofeedback on Physiological and Emotional Responses
This completed randomized laboratory study investigated the immediate effects of a single 10-minute session of heart rate variability biofeedback (HRV-B) on cardiac activity, forehead physiological signals, and emotional…
- Trial name
- NCT07911215
- Testing
- Psychoeducational Video Viewing, Heart Rate Variability Biofeedback
- Where
- Israel
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Haifa
Chronic Obstructive Pulmonary Disease, Exercise
Mind-Body Walking Exercise for Chronic Obstructive Pulmonary Disease
Mind-body exercise improves symptom of negative moods, dyspnea and quality of life in chronic diseases, but these improvements for chronic obstructive pulmonary disease (COPD) are unproven.
- Conditions
- Chronic Obstructive Pulmonary Disease, Exercise, Anxiety, Depression
- Trial name
- NCT03388489
- Testing
- Mind-Body Walking
- Volunteers
- 84 people
- Sponsor
- National Taiwan University Hospital
Effect of Sedation on Heart Rate Variability
EFFECT OF DEXMEDETOMİDİNE AND MİDAZOLAM SEDATİON ON HEART RATE VARİABİLİTY AFTER CORONARY ARTERY BYPASS GRAFT SURGERY
The parasympathetic tone reduction and sympathetic tone enhancement, which are components of the autonomic nervous system (ANS) activity, increase the likelihood of malignant arrhythmias leading to ventricular fibrillation.
- Trial name
- NCT03601091
- Testing
- Precedex 200 MCG in 2 ML Injection, DORMICUM 5MG/5 ML
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Kartal Kosuyolu Yuksek Ihtisas Education and Research Hospital
Cataract Senile
Axial Length Variability
The accuracy of IOL calculation relies on the one hand on axial length measurements and on the other hand on corneal and lens thickness measurements.
- Trial name
- NCT04580550
- Testing
- Axial length variability
- Where
- Austria
- Volunteers
- 50 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Failed Back Surgery Syndrome
HRV in Patients Treated With Spinal Cord Stimulation
This study is an observatory single center study investigating heart rate variability during on and off states of the spinal cord stimulator, in patients with failed back surgery syndrome.
- Trial name
- NCT03768791
- Testing
- SCS is switched off, SCS is switched on
- Where
- Belgium
- Volunteers
- 23 people
- Sponsor
- Moens Maarten
Stress, Relaxation
Effects of Nature-Based Virtual Reality and Binaural Beats on Heart Rate Variability and Relaxation
The VRELAX study is a non-clinical sub-study within the "Decreasing Preoperative Stress to Prevent Postoperative Delirium and Postoperative Cognitive Decline in Cardiac Surgical Patients"- research program (DESTRESS…
- Conditions
- Stress, Relaxation, Virtual Reality, Binaural Beats
- Trial name
- VRELAX (NCT07431918)
- Testing
- Nature-Based Virtual Reality With Binaural Beats
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Heart and Brain Research Group, Germany
Female Sexual Arousal Disorder
Heart Rate Variability Biofeedback for Female Sexual Arousal Disorder
Low resting heart rate variability (HRV) has been associated with sexual arousal problems and overall sexual dysfunction in women.
- Trial name
- NCT02958176
- Testing
- HRV Biofeedback, Autogenic Training
- Where
- United States
- Volunteers
- 65 people
- Sponsor
- University of Texas at Austin
Reaction of Autonomic Nervous System, Reaction of Acupuncture
Study on the Effect of Electroacupuncture at Both Zusanli and at Both Yanglingquan Acupoints on Cardiovascular Activity
The purpose of this present study was to investigate the effect of electroacupuncture at both Zusanli and at both Yanglingquan acupoints on autonomic nerve modulating cardiovascular activity, and skin blood flow and skin…
- Conditions
- Reaction of Autonomic Nervous System, Reaction of Acupuncture, Reaction of Blood Circulation
- Trial name
- NCT01665105
- Testing
- acupuncture
- Where
- Taiwan
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Sensation Disorders
The Effects of Chiropractic Care in Children With Parent-reported Sensory Processing Disorder
This trial's main aims are to investigate the feasibility of implementing our novel assessment battery in tandem with normal and customary chiropractic care in a practice-based setting using a pediatric population with…
- Trial name
- NCT06413719
- Sponsor
- Life University
Sleep Apnea Syndromes
Effectiveness of VistaO2 FLUX Device in Screening of Sleep Apnea/Hypopnea Syndrome
The high prevalence (9% in men and 4% in women) of sleep apnea / hypopnea syndrome (SAHS) in adults is now well documented as well as its cardiovascular repercussions.
- Trial name
- VISTAO2_FLUX (NCT02357719)
- Testing
- VistaO2 FLUX device
- Where
- 2 sites in France
- Volunteers
- 96 people
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Sleep Apnea, Mixed, Heart Failure
Effect of Servo-Ventilation on CO2 Regulation and Heart Rate Variability
Obstructive Sleep Apnea-Hypopnea Syndrome (OSAHS) is a condition where the upper airway partially collapses and closes. This can lead to sleep problems including low oxygen levels, poor sleep, elevated carbon dioxide levels in…
- Trial name
- NCT03890939
- Testing
- BiPAP AutoSV Advanced System One, Dreamstation BiPaP AutoSV, ResMed S7 VPAP Adapt Device
- Volunteers
- 50 people
- Sponsor
- University of Arizona
Cardiovascular Reactivity to Stress
Effects of Yoga on Heart Rate and Heart Rate Variability Responses to Stress
Introduction: Yoga has been shown to reduce stress and have benefits for a number of stress-related disorders. However, the effects of an acute bout of yoga practice on cardiac autonomic response to and recovery from stress…
- Trial name
- NCT04897230
- Testing
- Hatha Yoga, Video Watching
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University Chung-Ho Memorial Hospital
Obesity
Protocol for the Assessment of Variability in Histology and Gene Expression in Bariatric Surgery Patients.
It is known that a vast majority of patients seeking a bariatric surgery weight reduction procedure have non-alcoholic fatty liver disease (NAFLD), while a smaller subset of patients within this group have a more serious liver…
- Trial name
- NCT00280527
- Where
- United States
- Volunteers
- 43 people
- Sponsor
- Northwestern University
Obesity
The Effect of a Short-term Very Low Calorie Diet on Heart Rate Variability in Obese Individuals
The purpose of this study is to determine whether short-term adherence to a very low calorie diet is effective in improving heart rate variability in obese individuals.
- Trial name
- NCT02070770
- Testing
- Very low calorie diet, Standard weight loss diet
- Where
- United Kingdom
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- King's College London
Stroke, Osteopathic Medicine
Examining Relationships Between Musculoskeletal Function Measurements of Movement Efficiency and Nervous System Function After Chronic Stroke
Stroke remains the leading cause of severe disability, and survivors frequently have incomplete recovery. More than half of older survivors have impaired mobility which contributes to poorer quality-of-life (QoL) and suffering.
- Conditions
- Stroke, Osteopathic Medicine, Physical Examination, Heart Rate Variability (HRV)
- Trial name
- SOMADC-CC (NCT07737873)
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of California, Davis
Autonomic Nervous System Disease, Osteopathy
Effect of CV4 and Rib Raising Techniques on Autonomic Balance
Background. Heart rate variability (HRV) and skin conductance (SC) highlight autonomic activity and the balance of autonomic nervous system (ANS) which regulates involuntary physiological functions.
- Trial name
- NCT03142373
- Testing
- CV4 technique, RR technique
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Fondazione Don Carlo Gnocchi ETS
Type 2 Diabetes
The Swiss Glucose Variability Study
The purpose of this study is to explore long term glucose variability of a combination therapy of metformin and vildagliptin compared to a metformin - gliclazide combination.
- Trial name
- NCT01426737
- Testing
- Vildagliptin
- Where
- Switzerland
- Volunteers
- 50 people
- Sponsor
- University of Zurich
Angina Pectoris, Coronary Heart Disease
Reducing the Pro-ischaemic Effects of Air Pollution Exposure Using a Simple Face Mask
Air pollution is a major cause of cardiorespiratory morbidity and mortality. The exact components of air pollution that underlie the cardiovascular effects are not yet known, but combustion-derived particulate matter is suspected…
- Conditions
- Angina Pectoris, Coronary Heart Disease, Blood Pressure, Heart Rate Variability
- Trial name
- NCT00809653
- Testing
- No Face Mask, Face Mask
- Where
- China
- Volunteers
- 100 people
- Sponsor
- University of Edinburgh
Type 1 Diabetes Mellitus
Comparison of Glucose Values and Variability Between TOUJEO and TRESIBA During Continuous Glucose Monitoring in Type 1 Diabetes Patients
Primary Objective: To demonstrate the non-inferiority of insulin glargine 300 units per milliliter (U/ml) in comparison to insulin degludec 100 U/ml on glycemic control and variability in participants with diabetes mellitus.
- Trial name
- inRange (NCT04075513)
- Testing
- Insulin glargine, 300 U/ml, Insulin degludec, 100U/ml, Background therapy: Rapid acting insulin analogs
- Where
- 7 sites in United States, Brazil and 5 more
- Volunteers
- 343 people
- Sponsor
- Sanofi
Major Depressive Disorder, Cardiovascular Diseases
Emotion Regulation Training to Reduce Cardiovascular Disease Risk Among Depressed Young Adults in Southern Mississippi
The proposed study will investigate the utility of a single-session emotion regulation training to reduce CVD risk among young adults diagnosed with MDD living in Southern MS.
- Conditions
- Major Depressive Disorder, Cardiovascular Diseases, Inflammation, Blood Pressure
- Trial name
- NCT05425290
- Testing
- Single-session emotion regulation training
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of Southern Mississippi
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