| Not Yet Recruiting | Continuous and Non-invasive Measurements by Task Force® CORE/CARDIO in Autonomic Function Testing (AFT) NCT05977335 | CNSystems Medizintechnik GmbH | — |
| Not Yet Recruiting | Cervicothoracic Sympathetic Block Evaluation for Post COVID Condition NCT07468604 | University Health Network, Toronto | Phase 4 |
| Recruiting | Repetitive Transcranial Magnetic Stimulation in Cardiac Autonomic Dysfunction NCT07482501 | Afyonkarahisar Health Sciences University | N/A |
| Not Yet Recruiting | Non-invasive Vagus Nerve Stimulation for Chronic Musculoskeletal Pain NCT07409363 | University of Leeds | N/A |
| Not Yet Recruiting | The Effects of Inspiratory Muscle Training Female Patients With Fibromyalgia NCT07261696 | Nigde Omer Halisdemir University | N/A |
| Not Yet Recruiting | Exploring Sympathetic Nervous System Function in Individuals With Down Syndrome NCT07238465 | University of Colorado, Denver | Phase 3 |
| Completed | Association Between Autonomic Dysfunction and Choroidal Vascularity Index in Fibromyalgia NCT07345546 | Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization | — |
| Recruiting | Autonomic Regulation of Blood Pressure and Heart Rate During Orthostasis and Exercise in Healthy and Hypertens NCT07482462 | University Medical Centre Ljubljana | — |
| Not Yet Recruiting | LANdiolol to Avoid TAchycardia in Patients at Risk for Cardiovascular Events Undergoing Major Non-cardiac Surg NCT07168421 | Insel Gruppe AG, University Hospital Bern | Phase 4 |
| Recruiting | NightWare and Cardiovascular Health in Veterans With PTSD NCT06419959 | VA Office of Research and Development | N/A |
| Not Yet Recruiting | NightWare and Cardiovascular Health in Women With PTSD NCT07021014 | University of Colorado, Denver | N/A |
| Enrolling By Invitation | Can You Breathe Your Way To Better Health? NCT06829836 | University of Northern Colorado | N/A |
| Suspended | Cardiac Autonomic Dysfunction in Childhood Cancer Survivors NCT05132673 | St. Jude Children's Research Hospital | — |
| Recruiting | POLish Registry of CArdioneuroablation and CArdioneuromodulation NCT07196397 | SABAMED Medical Center Ltd. | — |
| Recruiting | Noninvasive Spinal Cord Stimulation for Early SCI NCT06587841 | University of British Columbia | N/A |
| Enrolling By Invitation | SHADES Mechanistic Trial NCT06041581 | Indiana University | N/A |
| Recruiting | Long COVID Immune Profiling NCT06027255 | Vanderbilt University Medical Center | N/A |
| Active Not Recruiting | The Efficacy of Aerobic Exercise Training on Autonomic Nervous System and Endothelial Function in Patients wit NCT06288828 | King Chulalongkorn Memorial Hospital | N/A |
| Enrolling By Invitation | Low-intensity Focused Ultrasound and Autonomic Response NCT05834829 | Virginia Polytechnic Institute and State University | N/A |
| Recruiting | Interrogating the Pathophysiological Mechanisms of Constipation in Patients With Systemic Sclerosis NCT05989763 | The University of Texas Health Science Center, Houston | N/A |
| Completed | Non-invasive Vagal Neurostimulation (nVNS) in Adolescents With Postural Orthostatic Tachycardia Syndrome (POTS NCT06268288 | Mayo Clinic | N/A |
| Recruiting | Autonomic Dysfunction in Patients Following Bariatric Surgery: The ADiPOSE Study NCT06289413 | Kansas City Heart Rhythm Research Foundation | — |
| Active Not Recruiting | Pathophysiology of Dysautonomia and Postural Tachycardia Syndrome (POTS) in Post-viral Syndromes and COVID-19 NCT07405515 | Brigham and Women's Hospital | N/A |
| Withdrawn | Role of Endothelin-1 Modulating Insulin-stimulated Blood Flow and Sympathetic Nervous System Activity in Obesi NCT05518422 | University of Missouri-Columbia | EARLY_Phase 1 |
| Recruiting | Efficacy and Safety of Vespireit, Prolonged-release Tablets, in Patients With Autonomic Dysfunction Syndrome A NCT06321341 | Valenta Pharm JSC | Phase 4 |
| Recruiting | Metabolic Flexibility and Autonomic Control After Muscle Power vs Metabolic Power Training in Postmenopausal O NCT06336070 | University of Valencia | N/A |
| Recruiting | Mechanisms for Atrial Fibrillation in Obstructive Sleep Apnea NCT06465134 | Danderyd Hospital | — |
| Recruiting | Non-invasive Spinal Cord Stimulation for Recovery of Autonomic Function After Spinal Cord Injury NCT05369520 | University of British Columbia | N/A |
| Completed | Contributions to Hypertension With Androgen Deprivation Therapy NCT05700903 | University of Colorado, Denver | Phase 4 |
| Completed | Autonomic Neuromodulation by Transcutaneous Nerve Stimulation in Acute Ischaemic Stroke. NCT05417009 | Queen Mary University of London | N/A |
| Completed | Autonomic Nervous System Affection Due to Post Covid Syndrome NCT05502094 | Bahçeşehir University | — |
| Completed | Optimizing Patient Experience During Myocardial Perfusion Imaging NCT05896982 | Tilburg University | N/A |
| Completed | Vagus Nerve Stimulation for Systemic Lupus Erythematous NCT05315739 | Rigshospitalet, Denmark | N/A |
| Unknown | The SongDanceT1 Study: Stress, Ongoing Self- Monitoring and Diabetes, Nerve Stimulation and Cognitive Empowerm NCT06087679 | Steno Diabetes Center Copenhagen | N/A |
| Completed | NightWare and Cardiovascular Health in Adults With PTSD NCT05365607 | University of Colorado, Denver | N/A |
| Unknown | Investigation of Autonomic Dysfunction in Patients With Familial Mediterranean Fever NCT05596643 | Marmara University | — |
| Completed | Investigating Central Neurophysiologic Correlates of Non-Motor Symptoms of Parkinson's Disease NCT05205772 | University of North Carolina, Chapel Hill | N/A |
| Completed | Efficacy and Safety of Buspirone, Sustained-release Tablets, 15 mg in Patients With Autonomic Dysfunction Synd NCT05430217 | Valenta Pharm JSC | Phase 3 |
| Suspended | Impact of Intranasal Insulin on Sympathetic Activity and Cerebral Vasodilation NCT05153395 | University of Missouri-Columbia | EARLY_Phase 1 |
| Unknown | The Usefulness of Assessing Heart Rate Variability in Patients With Acute Myocardial Infarction NCT05098977 | Grigore T. Popa University of Medicine and Pharmacy | — |
| Recruiting | Pediatric Hypertension and the Renin-Angiotensin SystEm (PHRASE) NCT04752293 | Wake Forest University Health Sciences | — |
| Recruiting | VNS Prospective Neuromodulation of Immune and Gastrointestinal Systems NCT03953768 | University of Louisville | N/A |
| Unknown | The Effects of HRV Biofeedback on Chronic Kidney Disease Patient. NCT04611334 | National Defense Medical Center, Taiwan | N/A |
| Completed | Autonomic Cardiovascular Control in Response to Blood Volume Reduction in Blood Donors NCT04499664 | Hvidovre University Hospital | — |
| Unknown | Long-term Effects of Transcutaneous Vagal Nerve Stimulation on Postural Orthostatic Tachycardia Syndrome (POTS NCT04632134 | Istituto Clinico Humanitas | N/A |
| Enrolling By Invitation | Non-Invasive Bioelectronic Analytics NCT04100486 | Northwell Health | — |
| Unknown | Autonomic Regulation in Prader-Willi Syndrome NCT04118816 | Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation | — |
| Unknown | Cardiovascular Autonomic Function and Endogenous Pain Modulation NCT03911609 | Marquette University | N/A |
| Completed | Effects of Heart Rate Variability Biofeedback in Patients With Acute Ischemic Stroke NCT03865225 | Technische Universität Dresden | N/A |
| Unknown | Could HRV be a Valuable Predictor for CPAP Adherence? NCT03721445 | Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation | — |
| Completed | The Swedish Spinal Cord Injury Study on Cardiopulmonary and Autonomic Impairment NCT03515122 | Lund University | — |
| Unknown | Autonomic Dysfunction in Patients With Pectus Excavatum. NCT03346876 | Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation | — |
| Unknown | Upper- and Lower-body Resistance Exercise With and Without Blood Flow Restriction on Hemodynamics and Vascular NCT03225898 | Kent State University | N/A |
| Completed | Parkinson's Autonomic Responses to Treadmill Walking NCT03156400 | University of Miami | N/A |
| Completed | Meditative Movement for COPD Symptoms in Non-Smoking Flight Attendants NCT02612389 | Dartmouth-Hitchcock Medical Center | N/A |
| Completed | Cardiac Autonomic Modulation in Older Hypertensive Individuals Submitted to Different Types of Physical Traini NCT05135247 | University of Sao Paulo | N/A |
| Completed | The Effect of Diet on Chronic Inflammation and Related Disorders Following Spinal Cord Injury NCT02099890 | Brock University | Phase 3 |
| Completed | The Effect of Autonomic Function on Coronary Vasomotion NCT01877993 | Korea University | — |
| Completed | PD2i Analysis of Heart Rate Variability in Competitive Sports NCT01249248 | University of Mississippi Medical Center | — |
| Withdrawn | fMRI in Blood Phobia Syncope NCT00715065 | Vanderbilt University | — |
| Completed | Autonomic Dysreflexia in Spinal Cord Injury NCT01059370 | University of Aarhus | N/A |
| Completed | The Relative Prevalence and Severity of Autonomic Nervous System Dysfunction NCT00919347 | University of Alabama at Birmingham | — |
| Completed | Autonomic Dysfunction and Inflammation in Chronic Hemodialysis Patients NCT00878033 | Martin-Luther-Universität Halle-Wittenberg | — |