Clinical trials: Respiration Variability Effect on Nervous System
Heart Failure, Obstructive Sleep Apnea
ASV Effects on Myocardial Energetics and Sympathetic Nerve Function in Heart Failure and Sleep Apnea.
Obstructive sleep apnea (OSA), central sleep apnea (CSA) and heart failure (HF) are states of metabolic demand and sympathetic nervous system (SNS) activation.
- Conditions
- Heart Failure, Obstructive Sleep Apnea, Central Sleep Apnea
- Trial name
- AMEND (NCT02116140)
- Testing
- [C11]Acetate and HED PET
- Where
- Canada
- Volunteers
- 60 people
- Sponsor
- Ottawa Heart Institute Research Corporation
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
Obstructive Sleep Apnea
Vitamin D and SGLT-2 Inhibitor in CPAP-naive Obstructive Sleep Apnea
The purpose of this study is to determine if vitamin D supplement and SGLT-2 inhibitor treatment combination can improve cardiovascular risks in patients with OSA and hypertension, on top of lifestyle modification, before…
- Trial name
- D3DOSA (NCT06690723)
- Testing
- Dapagliflozin (Forxiga), Vitamin D3 ( Colecalciferol), Vitamin D3 plus Dapagliflozin
- Where
- Malaysia
- Volunteers
- 160 people
- Sponsor
- University Malaysia Sarawak
Prediabetes
Effects of Autonomic Nervous System Modulation by Heart Rate Variability Biofeedback Training With Resonant Frequency Breathing on Glucose Metabolism in Individuals With Prediabetes
Approximately 20% of adults have prediabetes in Germany. Prediabetes is defined as a condition with glucose levels outside the normal range but not yet meeting the criteria for type 2 diabetes.
- Trial name
- RwHRVBFinPD (NCT06739993)
- Testing
- Resonance frequency breathing with heart rate variability biofeedback training, Anti-Stress program
- Where
- 2 sites in Germany
- Volunteers
- 60 people
- Sponsor
- Johannes Gutenberg University Mainz
Sleep Apnea, Obstructive
Effects of CPAP Therapy on Blood Pressure and Heart Rate Variability in Obstructive Sleep Apnea
The primary objective of this study is to determine whether the effect of continuous positive airway pressure (CPAP) therapy on 24-hour mean blood pressure (BP) in patients with obstructive sleep apnea (OSA) varies between…
- Trial name
- NCT04712656
- Testing
- CPAP therapy
- Where
- United States
- Volunteers
- 1,739 people
- Sponsor
- Ohio State University
Stroke
COMPARISON OF BREATHING AND SUBOCCIPITAL RELEASE IN STROKE
The aim of this study is to investigate the positive effects of deep, slow breathing exercises and suboccipital relaxation, when added to a routine physiotherapy and rehabilitation program, on autonomic, motor, cognitive, and…
- Trial name
- NCT07725471
- Testing
- Breathing Exercise, Suboccipital Release, Standard treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people
- Sponsor
- Ankara Yildirim Beyazıt University
Spinal Cord Injuries, Slow Breathing
Slow Yogic-Derived Breathing and Respiration and Cardiovascular Variability in Spinal Cord Injury Patients
This research will aid in understanding of slow-breathing and its effect on heart rate and blood pressure in people with a spinal cord injury (SCI).
- Trial name
- SCOGA (NCT05480618)
- Testing
- Slow Breathing
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Spaulding Rehabilitation Hospital
Obstructive Sleep Apnea
Abdominal Breathing for Depression, Anxiety, Heart Rate Variability in Obstructive Sleep Apnea Patients
The research topic is to explore the effectiveness of abdominal breathing on improving of depression, anxiety, and heart rate variability in obstructive sleep apnea patients with depressive symptoms.
- Trial name
- NCT05594212
- Testing
- Abdominal breathing training
- Where
- Taiwan
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- National Taipei University of Nursing and Health Sciences
Hypotension, Cesarean Section
"Effect of Pre-Spinal Mindfulness-Based Breathing Exercise on Hemodynamic Response in Elective Cesarean Section"
Spinal anesthesia-induced hypotension is one of the most frequent and clinically significant complications of obstetric anesthesia, occurring in up to 50-80% of parturients undergoing elective cesarean section.
- Conditions
- Hypotension, Cesarean Section, Hemodynamic Instability, Anxiety, Anticipatory
- Trial name
- BREATHE-CS (NCT07494955)
- Testing
- Mindfulness-Based Breathing Exercise
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people
- Sponsor
- Aysenur Dostbil
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
Pranayama Effect on Autonomic Nervous System, Respiration Variability Effect on Nervous System
Pranayama Practice on the Autonomic Nervous System
The proposed study design will be a randomized, cross-over trial testing different pranayama breathing interventions. Participants (N=40) will perform each of the following five interventions in a randomly assigned order: (1)…
- Trial name
- PYAMA (NCT03280589)
- Testing
- Sheetali/Sheekari Pranayama, Sitting Quietly, Deep breathing
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- National University of Natural Medicine
Obstructive Sleep Apnea
Effect of Longitudinal Sleep Monitoring on Diagnosis and Treatment Decision in Patients With Suspected Obstructive Sleep Apnea
Obstructive sleep apnea (OSA) is a highly prevalent sleep-disordered breathing disease, caused by recurrent episodes of partial or complete collapse of the upper airway during sleep, resulting in intermittent hypoxia, fragmented…
- Trial name
- ELSA (NCT03819361)
- Testing
- pulse-oximetry
- Where
- Switzerland
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Malcolm Kohler
Breathing Exercises, Auricular Vagus Nerve Stimulation
Breathing Exercises and Auricular Vagus Nerve Stimulation
Introduction: Vagal modulation is achieved directly by transcutaneous auricular vagus nerve stimulation, whereas breathing exercises stimulate arterial baroreceptors.
- Conditions
- Breathing Exercises, Auricular Vagus Nerve Stimulation, Autonomic Nervous System
- Trial name
- NCT06531954
- Testing
- Vagus nerve stimulation, Breathing exercise
- Where
- Turkey (Türkiye)
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Vagus Nerve Stimulation, Autonomic Nervous System
Frequency-Dependent Effects of Auricular Vagus Nerve Stimulation on Autonomic and Cardiovascular Parameters
This randomized, sham-controlled, crossover study investigates the acute autonomic effects of transcutaneous cervical vagus nerve stimulation (tcVNS) applied at five different frequencies (0 Hz/sham, 10 Hz, 25 Hz, 50 Hz, 100 Hz)…
- Conditions
- Vagus Nerve Stimulation, Autonomic Nervous System, Heart Rate, Blood Pressure
- Trial name
- AVNS-DRC (NCT07274332)
- Testing
- Pulsetto FIT™ - tcVNS 10 Hz, Pulsetto FIT™ - tcVNS 25 Hz, Pulsetto FIT™ - tcVNS 50 Hz
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- SEFA HAKTAN HATIK
Autonomic Nervous System Imbalance, Hypovolemia
Autonomic Challenges From Mild Hypovolemia and Mechanical Ventilation
Heart Rate Variability (HRV) analysis has been studied in the critically ill patients although it is affected by several uncontrolled variables in the clinical conditions.
- Conditions
- Autonomic Nervous System Imbalance, Hypovolemia, Positive-Pressure Respiration
- Trial name
- NCT03244891
- Testing
- Increase of central volume, Ventilation mode
- Where
- Italy
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- ASST Fatebenefratelli Sacco
Obstructive Sleep Apnea
The Effect of Positive Airway Pressure on Heart Rate Variability
This study is designed to determine the effect of continuous positive airway pressure (CPAP) or bi-level positive airway pressure (BiPAP) on heart rate variability (HRV) in patients with obstructive sleep apnea (OSA).
- Trial name
- NCT00289666
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Christiana Care Health Services