Clinical trials: Heart Rate Variability
Antidepressive Agents, Second-Generation
Antidepressants, Emotions and Personality
Neuroticism is a personality trait described as an enduring tendency to experience negative emotional states and to respond poorly to environmental stress.
- Trial name
- NCT01946607
- Testing
- Citalopram
- Where
- United Kingdom
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Primary Dysmenorrhea
Heart Rate Variability as an Indicator Associated With the Improvement of Dysmenorrhea After the Warm-water Footbath
The effect of warm-water footbath in improving primary dysmenorrhea (PD) was rarely investigated previously. We aimed to exam the hypothesis that warm-water footbath is effective to reduce the pain of PD, and the effect is…
- Trial name
- NCT04071028
- Testing
- warm-water footbath
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Camillians Saint Mary's Hospital Luodong
Maternal Stress, Maternal Anxiety
Feasibility of Heart Rate Variability Biofeedback With In-patient Pregnant Women
Purpose: The investigators plan a feasibility study on an easily disseminated biofeedback tool to reduce stress among hospitalized and expecting mothers.
- Conditions
- Maternal Stress, Maternal Anxiety, Maternal Health Services
- Trial name
- NCT02119936
- Testing
- Heart Rate Variability Biofeedback Tool
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Athletic Performance, Mental Toughness
Effects of Imagery and Breathing Exercises on Swimmers' Performance, Mental Toughness, and Heart-Mind Coherence
This randomized controlled trial aimed to investigate the effects of a 10-week imagery and breathing exercise intervention on 200-meter freestyle swimming performance, mental toughness, and heart-mind coherence in swimmers.
- Conditions
- Athletic Performance, Mental Toughness, Coherence (Heart-Mind Synchronization)
- Trial name
- NCT06920875
- Testing
- Imagery and Breathing Exercises
- Where
- Turkey (Türkiye)
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Ankara Yildirim Beyazıt University
Heart Rate Variability
Comparison of Heart Rate Variability Analysis Durations and Their Relationship With Blood Pressure
This observational study aims to compare heart rate variability (HRV) parameters obtained from different analysis durations in healthy adults and to examine how these parameters relate to resting blood pressure values.
- Trial name
- HRV-BP (NCT07531992)
- Testing
- Heart Rate Variability and Blood Pressure Assessment
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Sinop University
Atrial Fibrillation
Effects of Exercise Training in Patients With Permanent Atrial Fibrillation
Atrial fibrillation (AF) is a common arrhythmia. The proposed patholophysiological mechanisms of AF include abnormal electrical conduction in atrium and sympathovagal imbalance with increased vagal tone.
- Trial name
- NCT01721863
- Testing
- Exercise training
- Where
- Taiwan
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Peanut Consumption, High Intensity Aerobic Exercise
The Anti-Inflammatory Effects of Exercise and Peanut Consumption
This study will enroll and randomly assign 30 sedentary, healthy overweight men and women to two groups. Participants will either start by consuming peanuts for 4 weeks, and then go on to exercise at high intensity intervals…
- Trial name
- NCT03212144
- Testing
- High Intensity Interval Training, Peanut Consumption
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Osteopathic Manual Manipulation of Neurovascular Regulation
Study of Osteopathic Manipulative Medicine on the Autonomic Nervous System
The purpose this study is to determine which manual medicine technique or combination of techniques has the greatest effect on the natural changes in heart rate.
- Trial name
- NCT02193373
- Testing
- Osteopathic Manual Medicine
- Where
- United States
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- New York Institute of Technology
Hypertension
Unilateral and Bilateral Resistance Training in Hypertension
Hypertension is associated with autonomic nervous system dysfunction, reduced muscle strength, and impaired functional capacity, all of which contribute to increased cardiovascular risk and decreased quality of life.
- Trial name
- NCT07751445
- Testing
- Unilateral Resistance Training, Bilateral Resistance Training
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Stress, Pupillometry
Stress Evaluation and Management Using High Fidelity Simulation in Medical Education
The goal of this interventional study is to collect clinical and neurophysiological information to determine whether high-fidelity simulation can serve as a stress-inducing stimulus in a population of healthy residents (Emergency…
- Conditions
- Stress, Pupillometry, High Fidelity Simulation Training, Resident Education
- Trial name
- STRATAGEM (NCT06916949)
- Testing
- Electrocardiogram, Pupillometry, Electroencephalogram
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Gastrointestinal System--Abnormalities, Anxiety
Four-week Breathing Interventions on Gut Symptoms, Heart Rate Variability, and Psychological Measures in Runners
Recent research has suggested that stress and anxiety levels are associated with gastrointestinal (GI) symptoms in endurance athletes (runners, cyclists, triathletes).
- Conditions
- Gastrointestinal System--Abnormalities, Anxiety, Visceral Pain
- Trial name
- NCT04592718
- Testing
- Slow deep breathing plus breath counting, Normal-paced breathing plus breath counting
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Old Dominion University
CT, Coronary Angiography
Effects of Heart Rates and Variability of Heart Rates on Image Quality of Dual-Source CT Coronary Angiography
The purpose of this study is to investigate the effects of heart rates (including maximum heart rate, average heart rate and minimum heart rate) and variability of heart rate on image quality of DSCT coronary angiography without…
- Trial name
- DSCT (NCT00632918)
- Where
- Taiwan
- Volunteers
- 149 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Substance-Related Disorders
Resonance Breathing Intervention Opioid Use Disorder
This study aims to assess the feasibility of an intervention for the management of craving, stress, anxiety, and depression among people who use opioids via a resonance breathing smartphone app.
- Trial name
- NCT05830773
- Testing
- Resonance Breathing Exercises
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Neurodevelopmental Outcomes, ADHD - Attention Deficit Disorder With Hyperactivity
Where Wild Things Grow: Nature- and Activity-based Group Interventions for Neurodivergent Children and Youth
The goal of this action research project is to develop and implement nature- and activity-based group interventions across health care, school and leisure settings in Southern Norway.
- Conditions
- Neurodevelopmental Outcomes, ADHD - Attention Deficit Disorder With Hyperactivity, Autism, Tourette Syndrome
- Trial name
- NCT07203469
- Testing
- Universal approach, Selective approach, Outdoor therapy
- Where
- 2 sites in Norway
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Sorlandet Hospital HF
Hypertension
L-citrulline Supplementation, Cold Exposure, & Post-Exercise Muscle Ischemia
Cardiovascular disease (CVD) continues to be the major cause of morbidity and mortality in western countries. It has been shown that CVD events are known to be higher in the winter than in the summer.
- Trial name
- NCT02104375
- Testing
- L-citrulline
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Florida State University
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
Stress, Relaxation
Decreasing Stress Via Virtual Reality and Binaural Beats in Non-Clinical Adults
This study is a non-clinical substudy conducted within the DESTRESS research program (NCT05036538), which investigates the effects of relaxation interventions on physiological and psychological parameters.
- Conditions
- Stress, Relaxation, Virtual Reality, Binaural Beats
- Trial name
- DESTUD (NCT07387107)
- Testing
- Virtual Reality-Based Natural Environment, Binaural Auditory Stimulation, Control Condition (No Relaxation Intervention)
- Where
- Germany
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Heart and Brain Research Group, Germany
Elderly Subjects, Respiration Exercises
Effects of Respiratory Yoga Training on Heart Rate Variability and Baroreflex of Healthy Elderly Subjects
The decreases of physiological capacities which take place with senescence include diminishing respiratory capacity as well as a reduction of heart rate variability and baroreflex sensibility.
- Trial name
- NCT00969345
- Testing
- Stretching Exercises, Respiratory Exercises conducted twice a day for 10 minutes
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
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
Cancer, Chronic Stress
Can You Breathe Your Way To Better Health?
The purpose of this clinical trial is to explore the effects of either a 2-week high-intensity interval training (HIIT) or breath training intervention on measures of overall health, circulating biomarkers of stress, and immune…
- Conditions
- Cancer, Chronic Stress, Autonomic Dysfunction
- Trial name
- NCT06829836
- Testing
- Hight intensity interval training, Cyclic Hyperventilation with Retention
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Northern Colorado