| Phenotyping Mitochondrial and Immune Dysfunction in POTS With Targeted Clinical Intervention. (NCT05409651) | University of California, San Diego | 2022-07-01 |
| Inappropriate Sinus Tachycardia Registry (NCT05107635) | AtriCure, Inc. | 2022-03-01 |
| A Novel Noninvasive Thermoregulatory Device for Postural Tachycardia Syndrome (NCT04943276) | Stanford University | 2022-02-27 |
| fMRI in Postural Tachycardia Syndrome (NCT04137757) | Milton S. Hershey Medical Center | 2022-02-18 |
| Hypercapnia and Orthostatic Tolerance in Postural Orthostatic Tachycardia Syndrome (NCT04271878) | University of Calgary | 2022-02-02 |
| Autoimmune Basis for Postural Tachycardia Syndrome (NCT05043051) | University of Oklahoma | 2022-01-14 |
| Autonomic Determinants of POTS - Pilot 2 (NCT04140721) | Vanderbilt University Medical Center | 2021-08-31 |
| Crossover Study of Propranolol vs Ivabradine in POTS (NCT04186286) | University of Calgary | 2021-02-01 |
| Muscular and Cutaneous Dysfunction in POTS (NCT04170725) | Insel Gruppe AG, University Hospital Bern | 2020-01-10 |
| Long-term Effects of Transcutaneous Vagal Nerve Stimulation on Postural Orthostatic Tachycardia Syndrome (POTS) (NCT04632134) | Istituto Clinico Humanitas | 2019-11-10 |
| Autonomic Small Fiber Neuropathy and Ehlers Danlos Syndromes - Prospective Study and Registry (NCT04310644) | RWTH Aachen University | 2019-09-15 |
| Autonomic Determinants of POTS - Pilot1 (NCT04050410) | Vanderbilt University Medical Center | 2019-08-27 |
| IVIG (Gamunex-C) Treatment Study for POTS Subjects (NCT03919773) | University of Texas Southwestern Medical Center | 2018-10-29 |
| Hemodynamic Effects of Compression in POTS (NCT03484273) | University of Calgary | 2018-07-12 |
| Standing Cognition and Co-morbidities of POTS Evaluation (NCT03602482) | Milton S. Hershey Medical Center | 2018-06-23 |
| Vagal Stimulation in POTS (NCT03124355) | Vanderbilt University Medical Center | 2017-09-30 |
| Alterations of Attention in POTS Depending on Body Position and Hydration (NCT03253120) | Insel Gruppe AG, University Hospital Bern | 2017-09-11 |
| POTS NET mRNA Functional Correlation With NET Activity (NCT03218761) | Vanderbilt University Medical Center | 2017-07-14 |
| Gastrointestinal Symptoms in Postural Orthostatic Tachycardia Syndrome (NCT03263819) | Vanderbilt University Medical Center | 2017-06-20 |
| Concentration and Attentional Deficits in POTS and Other Autonomic Neuropathies (NCT03681080) | RWTH Aachen University | 2017-04-01 |
| Autoimmune Basis for Postural Tachycardia Syndrome (NCT02725060) | Vanderbilt University Medical Center | 2016-02-01 |
| POTS Adrenergic Ab (CIHR Aims #1&2) (NCT02673996) | University of Calgary | 2016-01-01 |
| Qualitative Sweat Distribution During Tilt Table Procedure (NCT02329548) | Nationwide Children's Hospital | 2014-12-01 |
| Modafinil and Cognitive Function in POTS (NCT01988883) | Vanderbilt University Medical Center | 2014-10-01 |
| Clinical Autonomic Disorders: A Training Protocol (NCT02154009) | National Institute of Neurological Disorders and Stroke (NINDS) | 2014-06-05 |
| EEG Characteristics in Youth POTS and/or Syncope (NCT02167412) | Nationwide Children's Hospital | 2014-06-01 |
| Mechanisms of Vasovagal Syncope (NCT01791816) | New York Medical College | 2013-02-01 |
| Aldosterone & Sodium Regulation in Postural Tachycardia Syndrome - Screening (NCT01783288) | Vanderbilt University | 2013-02-01 |
| Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS) (NCT01764711) | Vanderbilt University | 2013-01-01 |
| The Effect of Ivabradine on Patients With Postural Tachycardia Syndrome (NCT01761825) | Tel-Aviv Sourasky Medical Center | 2012-12-01 |
| Cognitive Dysfunction in Postural Tachycardia Syndrome (NCT01366963) | Vanderbilt University | 2011-03-01 |
| Assessment of Vascular Endothelial Function in Postural Tachycardia Syndrome (NCT01308099) | Vanderbilt University Medical Center | 2011-02-01 |
| Local Vasoconstriction in Postural Tachycardia Syndrome (NCT01210430) | New York Medical College | 2010-07-01 |
| Intravenous (IV) Saline and Exercise in Postural Tachycardia Syndrome (POTS) (NCT01000350) | Vanderbilt University Medical Center | 2009-10-01 |
| Breathing Device in Postural Orthostatic Tachycardia Syndrome (POTS) (NCT00962728) | Alfredo Gamboa | 2009-07-01 |
| Sleep Actigraphy in Postural Tachycardia Syndrome (POTS) (NCT00692471) | Satish R. Raj | 2008-06-01 |
| Autonomic Nervous System and Chronic Fatigue Syndrome (NCT00580619) | Vanderbilt University | 2007-04-01 |
| Acute Salt Handling in Orthostatic Intolerance (NCT00581633) | Vanderbilt University | 2007-02-01 |
| Objective Sleep Disturbances in Orthostatic Intolerance (NCT00581022) | Satish R. Raj | 2006-11-01 |
| Dopamine in Orthostatic Tolerance (NCT00748228) | Vanderbilt University | 2004-11-01 |
| Hypnosis in Autonomic Function (NCT00061009) | National Institute of Neurological Disorders and Stroke (NINDS) | 2003-05-01 |