Clinical trials: Postural Orthostatic Tachycardia Syndrome
Postural Tachycardia Syndrome, Postural Orthostatic Tachycardia Syndrome
Breathing Device in Postural Orthostatic Tachycardia Syndrome (POTS)
The investigators will test whether breathing through an inspiratory resistance device will improve the ability to be upright and decrease heart rate increases on standing in patients with postural tachycardia syndrome.
- Trial name
- NCT00962728
- Testing
- Inspiratory Threshold Device (Res-Q-Gard ITD)
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Alfredo Gamboa
Postural Tachycardia Syndrome
Alterations of Attention in POTS Depending on Body Position and Hydration
The Postural Tachycardia-Syndrome (POTS) is a form of autonomic dysregulation, typically accompanied by symptoms of orthostatic intolerance (OI).
- Trial name
- NCT03253120
- Testing
- Water
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Postural Tachycardia Syndrome, Autonomic Dysfunction
Non-invasive Vagal Neurostimulation (nVNS) in Adolescents With Postural Orthostatic Tachycardia Syndrome (POTS)
The purpose of this study is to determine if nVNS will decrease autonomic symptom intensity (COMPASS-31 and Child Functional Disability Inventory) in adolescent patients with postural orthostatic tachycardia syndrome (POTS) in…
- Conditions
- Postural Tachycardia Syndrome, Autonomic Dysfunction, Postural Orthostatic Tachycardia Syndrome, POTS - Postural Orthostatic Tachycardia Syndrome
- Trial name
- NCT06268288
- Testing
- GammaCore intervention, STEPS management protocol
- Where
- 2 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Postural Orthostatic Tachycardia Syndrome (POTS), Healthy
POTS-FLOW: Interplay Between Gut Hormones and Autonomic Postprandial Blood Flow Regulation in Patients With POTS
This study will describe the interplay between the gut hormones GIP and CCK and their regulation of blood flow to the large vessels in patients with Postural Orthostatic Tachycardia Syndrome (POTS) and GIP, CCK and GLP-1 in…
- Trial name
- GA22 (NCT07019519)
- Testing
- GIPR antagonist, GLP-1R antagonist, CCK agonist
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
POTS
Physical Activity as a Complementary Treatment in POTS
Postural orthostatic tachycardia syndrome (POTS) is a disorder of unknown origin characterized by orthostatic intolerance and increased heart rate (HR) of ≥ 30 beats/minute during orthostasis in the absence of orthostatic…
- Trial name
- POTS (NCT04702217)
- Testing
- Training program
- Where
- Sweden
- Sponsor
- Lund University
Iron-deficiency, Postural Orthostatic Tachycardia Syndrome
Iron Sucrose in Patients With Iron Deficiency and POTS
This study aims to investigate whether the treatment of non-anemic iron deficiency with intravenous iron sucrose will result in decreased symptom reporting and improved cardiovascular indices in patients with Postural Orthostatic…
- Trial name
- NCT04855266
- Testing
- Sucrose, Tilt Table Test
- Volunteers
- healthy volunteers welcome
- Sponsor
- Mayo Clinic
Postural Tachycardia Syndrome
Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Natural History With Its Numerous Co-morbidities?
This study is being conducted to see how people with Postural tachycardia syndrome (POTS) make sense of the things they see. The information may help doctors to learn more about how the different parts of people's brains…
- Trial name
- NCT05618054
- Testing
- Looming task
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Autonomic Failure, Dysautonomia
Concentration and Attentional Deficits in POTS and Other Autonomic Neuropathies
People with POTS, autoimmune autonomic neuropathy (AAN), pure autonomic failure (PAF), SFN and Ehlers Danlos Syndrome (EDS) do not only suffer from orthostatic symptoms such as dizziness, headache, neck pain, blurred vision or…
- Conditions
- Autonomic Failure, Dysautonomia, Cognitive Impairment, Ehlers-Danlos Syndrome
- Trial name
- POTSKog (NCT03681080)
- Testing
- leg crossing
- Where
- Germany
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- RWTH Aachen University
Postural Orthostatic Tachycardia Syndrome
Effect of Ivabradine on Patients With Postural Orthostatic Tachycardia Syndrome
Postural orthostatic tachycardia syndrome (POTS) occurs in approximately 500,000 Americans, but predominates in women with a 5:1 ratio.
- Trial name
- POTS (NCT03182725)
- Testing
- Ivabradine
- Where
- United States
- Volunteers
- 37 people
- Sponsor
- University of California, San Diego
Chronic Fatigue Syndrome, Orthostatic Intolerance
Autonomic Nervous System and Chronic Fatigue Syndrome
The investigators propose to test the hypothesis that the sympathetic nervous system contributes to the cardiovascular and inflammatory abnormalities present in the chronic fatigue syndrome (CFS) and, in particular in the subset…
- Conditions
- Chronic Fatigue Syndrome, Orthostatic Intolerance, Postural Tachycardia Syndrome
- Trial name
- CFS&ANS (NCT00580619)
- Testing
- Autonomic Function Testing, Saline infusions, L-NMMA trimethaphan
- Where
- United States
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Postural Tachycardia Syndrome
Crossover Study of Propranolol vs Ivabradine in POTS
1.0 BACKGROUND Postural tachycardia syndrome (POTS) is a disorder of chronic orthostatic intolerance characterized by symptoms of palpitations, lightheadedness, chest discomfort, shortness of breath, blurred vision, and mental…
- Trial name
- NCT04186286
- Testing
- Ivabradine 4-week course, Propranolol 4-week course
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- University of Calgary
POTS - Postural Orthostatic Tachycardia Syndrome
A MHealth System for Patients with POTS
Postural Orthostatic Tachycardia Syndrome (POTS) affects approximately 500,000 - 3 million Americans. This number will only increase due to the large number of patients experiencing POTS due to "long COVID." POTS patients…
- Trial name
- NCT06296914
- Testing
- POTSapp, Waitlist Control
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Jami Warren
Vasovagal Syncope, Postural Tachycardia Syndrome
Mechanisms of Vasovagal Syncope
Vasovagal Syncope (simple postural faint) is the most common cause of acute loss of consciousness. Postural tachycardia syndrome(POTS) is the most common chronic form of postural lightheadedness.
- Trial name
- NCT01791816
- Testing
- Phenylephrine, L-Ng-monomethyl Arginine (L-NMMA)
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Posttraumatic Stress Disorder, Pseudopheochromocytoma
Clinical Autonomic Disorders: A Training Protocol
Background: The autonomic nervous system helps control things that happen automatically in the body, like blood pressure, heart rate, and digestion. When it doesn t work properly, it s called dysautonomia.
- Conditions
- Posttraumatic Stress Disorder, Pseudopheochromocytoma, Healthy Volunteers, Neurocardiogenic Syncope
- Trial name
- NCT02154009
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Postural Orthostatic Tachycardia Syndrome, Post Acute Sequelae of SARS CoV 2 Infection
NC Testing in LC & POTS
Patients with Postural Orthostatic Tachycardia Syndrome (POTS) and Post-Acute Sequelae of COVID (PASC, or "Long COVID") experience cognitive dysfunction.
- Trial name
- NCT05914649
- Testing
- IV normal saline (999 mL infusion), IV normal saline (50 mL infusion)
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome
Autoimmune Basis for Postural Tachycardia Syndrome
The purpose of this study is to see if some people with postural tachycardia syndrome (POTS) have higher levels of immune proteins (autoantibodies) directed against receptors of the autonomic nervous system, and if these…
- Conditions
- Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome, Tachycardia, Arrhythmias, Cardiac
- Trial name
- NCT02725060
- Testing
- phenylephrine, isoproterenol, 25 micro-Ci of radiation
- Where
- 2 sites in United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Postural Tachycardia Syndrome
Local Vasoconstriction in Postural Tachycardia Syndrome
The investigators study will determine how often blood flow regulation abnormalities and abnormalities of sympathetic regulation produced by nitric oxide, angiotensin-II, and oxidative stress occur in POTS and the mechanism(s) of…
- Trial name
- NCT01210430
- Testing
- Losartan, Ascorbic Acid (Vitamin C), Normal Saline
- Where
- United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Inappropriate Sinus Tachycardia, Postural Tachycardia Syndrome
Inappropriate Sinus Tachycardia Registry
The primary objective of this registry is to capture real-world safety and performance data on AtriCure devices used to ablate cardiac tissue when treating Inappropriate Sinus Tachycardia (IST) or Postural Tachycardia Syndrome…
- Trial name
- NCT05107635
- Testing
- AtriCure Commercially Available Devices
- Where
- 15 sites in United States, Belgium and 2 more
- Volunteers
- 500 people
- Sponsor
- AtriCure, Inc.
Orthostatic Hypotension, Heart Rate
Effects of Breathing Retraining Exercises in Pregnant Females With Postural Orthostatic Tachycardia Syndrome.
Postural orthostatic tachycardia POTS is characterized by excessive increase in heart rate when moving from lying to standing position, often accompanied by symptoms such as dizziness, fatigue, brain fog, lightheadedness, rapid…
- Conditions
- Orthostatic Hypotension, Heart Rate, Blood Pressure
- Trial name
- NCT07579026
- Testing
- diaphragmatic breathing exercise, educational retraining
- Where
- Pakistan
- Volunteers
- 44 people
- Sponsor
- Riphah International University
Postural Orthostatic Tachycardia Syndrome
Vagus Nerve Stimulation in Treatment of Postural Orthostatic Tachycardia Syndrome
Postural orthostatic tachycardia (POTS) is characterized by abnormalities in the autonomic nervous system in the body. The autonomic nervous system controls and regulates body functions such as heart rate, breathing, digestion…
- Trial name
- POTS (NCT03930914)
- Testing
- Parasym (TM) Transcutaneous Electrical Nerve Stimulation (TENS) Device
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- University of Oklahoma