Clinical trials: Postural Orthostatic Tachycardia Syndrome, active
Hypermobile Ehlers-Danlos Syndrome, Postural Orthostatic Tachycardia Syndrome (POTS)
Presentation of Young Adults With and Without Joint Hypermobility
People with multiple hypermobile joints are diagnosed with Generalized Joint Hypermobility (GJH) when asymptomatic, or Hypermobile Ehlers-Danlos Syndrome (hEDS) and Hypermobility Spectrum Disorder (HSD) when symptomatic…
- Trial name
- NCT07657507
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Clarkson University
Tachycardia, Chronic Orthostatic Intolerance
Treatment of Orthostatic Intolerance
This trial is designed to study the effects of various mechanistically unique medications in controlling excessive increases in heart rate with standing and in improving the symptoms of orthostatic intolerance in patients with…
- Trial name
- NCT00262470
- Testing
- Acetazolamide, Atomoxetine, NO Drug
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Satish R. Raj
Postural Tachycardia Syndrome, Orthostatic Tachycardia
Acute Salt Handling in Orthostatic Intolerance
The investigators will test the hypothesis that patients with chronic orthostatic intolerance or postural orthostatic tachycardia syndrome (OI or POTS) will be unable to conserve urinary sodium as compared to healthy control…
- Conditions
- Postural Tachycardia Syndrome, Orthostatic Tachycardia, Orthostatic Intolerance
- Trial name
- NCT00581633
- Testing
- normal saline (0.9%)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Postural Tachycardia Syndrome, Orthostatic Intolerance
Sleep Actigraphy in Postural Tachycardia Syndrome (POTS)
We propose to use actigraphy (measured by activity watches) as a tool to quantify sleep disturbances in patients with orthostatic intolerance compared with healthy control subjects.
- Conditions
- Postural Tachycardia Syndrome, Orthostatic Intolerance, Sleep Disorders
- Trial name
- NCT00692471
- Testing
- Actigraphy Watch (motion sensors) with light sensors - ActiWatch from Minimitter
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Satish R. Raj
Postural Tachycardia Syndrome
Intravenous (IV) Saline and Exercise in Postural Tachycardia Syndrome (POTS)
The investigators will test whether an intravenous infusion of saline (salt water) will improve the exercise capacity in patients with postural tachycardia syndrome (POTS).
- Trial name
- NCT01000350
- Testing
- Saline
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Vanderbilt University Medical Center
Postural Orthostatic Tachycardia Syndrome
Assessment of Antibodies and Inflammatory Markers in Postural Tachycardia Syndrome
In this pilot study, the investigators will test the hypothesis that patients with postural tachycardia syndrome will have an elevated percentage of functional antibodies to adrenergic receptors compared with control subjects…
- Trial name
- NCT02196376
- Testing
- History, Physical, blood draw
- Where
- United States
- Volunteers
- 212 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Postural Tachycardia Syndrome
POTS NET mRNA Functional Correlation With NET Activity
DNA Acetylation can be responsible for significant down-regulation of transcription of the Norepinephrine Transporter (NET). NET is an important clearance transporter that removes norepinephrine (NE) from sympathetic neuronal…
- Trial name
- NCT03218761
- Testing
- NET mRNA level, Plasma catechols, Urine Catechols
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Tachycardia, Postural Orthostatic Tachycardia Syndrome
Pathophysiology of Orthostatic Intolerance
The purpose of this study is to describe the mechanism of orthostatic intolerance, relying on cardiovascular physiological studies.
- Trial name
- NCT00608725
- Testing
- DAXOR, QSweat, Intrinsic Heart Rate
- Where
- United States
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Satish R. Raj
POTS - Postural Orthostatic Tachycardia Syndrome
Restoring Iron Deficiency in POTS
People with postural orthostatic tachycardia syndrome (POTS) often have low red blood cell volumes and low ferritin in their blood (a marker of iron storage in the body).
- Trial name
- NCT07197905
- Testing
- Intravenous iron
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Vanderbilt University Medical Center
Postural Orthostatic Tachycardia Syndrome (POTS), Dysautonomia
Guanfacine and Cromolyn Sodium for POTS: The DBPOTS Trial
The goal of this clinical trial is to learn whether guanfacine or cromolyn sodium can improve symptoms and physical functioning in adults with Postural Orthostatic Tachycardia Syndrome (POTS).
- Conditions
- Postural Orthostatic Tachycardia Syndrome (POTS), Dysautonomia, Orthostatic Intolerance, Autonomic Nervous System Diseases
- Trial name
- DBPOTS (NCT07757555)
- Testing
- Guanfacine (GFC), Cromolyn Sodium
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Johns Hopkins University
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.
Clonal Mast Cell Disease, KIT D816V Mutation
Screening Study for KIT D816V Mutated Mast Cell Disease in Select Populations
This is a multicenter screening study to characterize the prevalence of the KIT D816V mutation in participants with suspected clonal mast cell disease.
- Conditions
- Clonal Mast Cell Disease, KIT D816V Mutation, Suspected KITD816V Mutated Clonal Mast Cell Disease
- Trial name
- POLARIS (NCT07143669)
- Testing
- Screening
- Where
- 26 sites in United States, Belgium
- Volunteers
- 750 people
- Sponsor
- Blueprint Medicines Corporation
Mitochondrial Diseases, Myalgic Encephalomyelitis Chronic Fatigue Syndrome
The Precision Mito- Mito Map COMPASS Study
Mito Map is a research tool that produces an Energy Score from information provided by a participant. This remote observational study has an initial enrollment target of 400 adults across seven prespecified cohorts: healthy…
- Conditions
- Mitochondrial Diseases, Myalgic Encephalomyelitis Chronic Fatigue Syndrome, Post-COVID-19 Condition, Postural Orthostatic Tachycardia Syndrome
- Trial name
- COMPASS (NCT07856121)
- Testing
- Mito Map Energy Score and Home Functional Assessments
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- AI Agent Vault, Inc. d/b/a Precision Mito
POTS - Postural Orthostatic Tachycardia Syndrome
Does a Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Nat hx With Its Numerous Co-morbidities?
Postural tachycardia syndrome (POTS) is a common and disabling disorder among adolescents. No epidemiologic data exist to support the often cited 0.5 to 2% prevalence.
- Trial name
- NCT06616363
- Testing
- Questionnaires to be competed, Provide list of medication and lifetime events, Use phone App to record new life events
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Postural Orthostatic Tachycardia Syndrome, Acute Hepatic Porphyria
Evaluating the Prevalence of Acute Hepatic Porphyria in Postural Tachycardia Syndrome
Postural Tachycardia Syndrome (POTS) is the most common autonomic disorder and is estimated to affect 3,000,000 individuals in the United States, with 80-85% of patients being women.
- Trial name
- NCT05344599
- Testing
- Autonomic Function Testing, Genetic Testing, Urine Testing
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Vanderbilt University Medical Center
Long COVID, POTS - Postural Orthostatic Tachycardia Syndrome
Long COVID Immune Profiling
Parasympathetic nervous system (PNS) is part of the body's autonomic nervous system(PNS) protects body against inflammation. Study shows that reduced PNS function activity is associated with persistent inflammation.
- Conditions
- Long COVID, POTS - Postural Orthostatic Tachycardia Syndrome, Autonomic Dysfunction
- Trial name
- NCT06027255
- Testing
- IL-6, cytokines (IL-17, and IFN-ɣ), Compass 31
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Postural Tachycardia Syndrome
fMRI in Postural Tachycardia Syndrome
Postural tachycardia syndrome (POTS) is one of the most common forms of chronic orthostatic intolerance in the United States. This is a disabling disorder characterized by an excessive increase in heart rate upon standing that is…
- Trial name
- POTS (NCT04137757)
- Testing
- Lower Body Negative Pressure
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
POTS - Postural Orthostatic Tachycardia Syndrome
RESET-POTS: Multimodal Phenotyping and Stellate Ganglion Block in Postural Orthostatic Tachycardia Syndrome
RESET-POTS is a pilot study for adults with postural orthostatic tachycardia syndrome (POTS), a condition that can cause a rapid increase in heart rate, dizziness, weakness, fatigue and other symptoms when standing.
- Trial name
- RESET-POTS (NCT07837804)
- Testing
- Bilateral Sequential Stellate Ganglion Block
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
Postural Tachycardia Syndrome
The Impact of Improved Vagal Function on Periaqueductal Gray Connectivity
This study is being to see if participating in breathing exercise training and practicing this training will help with Postural tachycardia syndrome (POTS).
- Trial name
- NCT05618067
- Testing
- breathing exercise training
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Virginia Commonwealth University
Arrhythmias, Cardiac
Biospecimen Repository for Cardiac Arrhythmias at the Cleveland Clinic
Biorepository of blood and or tissue samples from patients presenting with cardiac arrhythmia syndromes.
- Trial name
- NCT00921986
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic