Clinical trials: Tachycardia
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
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
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
Atrial Fibrillation (AF), Arrhythmias Cardiac
Detection and Classification of Cardiac Rhythm and Atrial Fibrillation Using a Finger-worn Ring
Everbeat is a finger-worn ring that has a built-in electrocardiogram (ECG). In this study the investigators ensure that the ECG as read by the everbeat correctly classifies heart rhythms and detects atrial fibrillation.
- Conditions
- Atrial Fibrillation (AF), Arrhythmias Cardiac, Tachycardia, Palpitations
- Trial name
- FINDER-AF (NCT06892938)
- Testing
- Atrial Fibrillation Identification
- Where
- 3 sites in United States
- Volunteers
- 232 people, healthy volunteers welcome
- Sponsor
- Everbeat
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
Healthy Chinese Subjects
A Study of Etripamil in Healthy Subjects
The objectives of the study are as below: Primary: ·To evaluate the pharmacokinetics (PK) of Etripamil in healthy adult Chinese subjects Secondary: To evaluate the pharmacodynamics (PD) of Etripamil in healthy adult Chinese…
- Trial name
- NCT05511870
- Testing
- Etripamil Nasal Spray 70mg
- Where
- China
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Corxel Pharmaceuticals
Ventricular Tachycardia
Anesthetic Management in Patients Undergoing Epicardial Ablation
The study is a retrospective study and is descriptive in nature. In this study, the investigators aimed to emphasize the importance of anesthesia management by cardiac risk assessment of patients undergoing epicardial ablation…
- Trial name
- NCT06538987
- Testing
- percutaneous epicardial ablation
- Where
- Turkey (Türkiye)
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Eskisehir Osmangazi University
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
Arrhythmia, Atrial Fibrillation
Esophageal 3D Mapping System for Cardiac Arrhythmias
The aim of the study is to develop and validate a novel esophageal mapping system to improve the diagnostics of cardiac arrhythmias.
- Conditions
- Arrhythmia, Atrial Fibrillation, Atrial Flutter, Atrial Tachycardia
- Trial name
- esoECG-3D (NCT03365440)
- Testing
- esoECG-3D catheter
- Where
- Switzerland
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Ventricular Fibrillation, Ventricular Tachycardia
Implantable Cardioverter Defibrillator (ICD) Support Groups and Veterans
In this study, we will compare the quality of life in veterans having ICD who attend the ICD support groups to those who do not.
- Conditions
- Ventricular Fibrillation, Ventricular Tachycardia, Sudden Cardiac Death
- Trial name
- NCT00846417
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Emory University
Sinus Rhythm, Atrial Fibrillation
Prevention of Stroke and Sudden Cardiac Death by Recording of 1-Channel Electrocardiograms
Single-channel electrocardiograms (lead I of 12-lead surface ECG; 30 seconds) will be collected from subjects/patients at 11 clinical centers in Germany to train an Artificial Intelligence in the automatic diagnosis of regular…
- Conditions
- Sinus Rhythm, Atrial Fibrillation, Atrial Premature Complexes, Ventricular Premature Complexes
- Trial name
- PRICE (NCT04637230)
- Testing
- Electrocardiogram analysis by Artificial Intelligence
- Where
- Germany
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- A-Rhythmik GmbH
Gulf War Syndrome
START & STOPP in GWI
Gulf War Illness (GWI) veterans were divided into 2 pathophysiological groups based on their orthostatic tachycardia responses after submaximal exercise.
- Trial name
- START (NCT03560830)
- Testing
- 2 submaximal exercise stress tests
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Georgetown University
Torsades de Pointes
A Study to Evaluate How VI-0521 Affect Cardiac Repolarization in Healthy Male and Female Volunteers
Determine whether VI-0521 has an effect on the electrical activity of the heart in healthy subjects. Find out how much VI-0521 is in the blood and any potential side effects on ECG's of healthy subjects after taking the study…
- Trial name
- TQT (NCT00839891)
- Testing
- VI-0521
- Where
- United States
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- VIVUS LLC
Ventricular Tachycardia
Personalized Therapy Study - Intrinsic Antitachycardia Pacing Post-Approval Study (iATP PAS)
Medtronic is sponsoring the Intrinsic Antitachycardia Pacing Post-Approval Study (iATP PAS) to further confirm safety and effectiveness of ventricular iATP therapy in routine clinical practice, following commercial release of…
- Trial name
- NCT04496518
- Testing
- Intrinsic Antitachycardia Pacing (iATP) Therapy
- Where
- 92 sites in United States, France and 7 more
- Volunteers
- 2,200 people, healthy volunteers welcome
- Sponsor
- Medtronic
Syncope
Evaluation of Chronic Orthostatic Intolerance
This study will conduct tests with patients with primary chronic orthostatic intolerance (COI) to learn more about this disorder of the autonomic nervous system.
- Trial name
- NCT00069693
- Where
- 3 sites in United States, Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Postural Orthostatic Tachycardia Syndrome (POTS)
The Renin-Aldosterone Axis in Postural Tachycardia Syndrome
The purpose of this study is to determine the role of the renin-angiotensin-aldosterone in the pathophysiology of postural tachycardia syndrome, and to provide an insight about the disease process in this disorder.
- Trial name
- NCT00962949
- Testing
- Angiotensin II
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Prolonged QT Interval in EKG and Sudden Death
Influence of Progesterone Administration on Drug-Induced QT Interval Lengthening
Female sex is an independent risk factor for the potentially fatal drug-induced arrhythmia (irregular heartbeat) known as torsades de pointes (TdP), which is associated with prolongation of the corrected QT (QTc) interval on the…
- Trial name
- NCT01929083
- Testing
- Progesterone, Ibutilide
- Where
- 2 sites in United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Indiana University
Postural Tachycardia Syndrome
Dopamine in Orthostatic Tolerance
One goal of this study is to determine whether people with different amounts of dopamine-beta-hydroxylase (DBH) have different responses to events that affect blood pressure and heart rate.
- Trial name
- NCT00748228
- Testing
- dietary sodium
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University