Clinical trials: POTS - Postural Orthostatic Tachycardia Syndrome
Postural Orthostatic Tachycardia Syndrome
Cardiovascular Effects of Selective I(f)-Channel Blockade
The study compares three treatment modalities in a human model of Postural orthostatic tachycardia syndrome (POTS): beta-blockers, I(f)-blockers, and placebo.
- Trial name
- NCT00865917
- Testing
- beta-blocker (Metoprolol), I(f)-blocker (ivabradine)
- Where
- 2 sites in Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Hannover Medical School
Post-COVID-19 Syndrome, Long COVID
ImPROving Quality of LIFe in the Long COVID Patient
The purpose of this study is to investigate the efficacy of orally administered nirmatrelvir/ritonavir compared with placebo/ritonavir to improve quality of life in non-hospitalized adult participants suffering from post-acute…
- Conditions
- Post-COVID-19 Syndrome, Long COVID, Long Covid19, COVID-19
- Trial name
- PROLIFIC (NCT05823896)
- Testing
- Nirmatrelvir/ritonavir
- Where
- Sweden
- Volunteers
- 219 people
- Sponsor
- Karolinska Institutet
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 Orthostatic Tachycardia Syndrome
Effect of Medical Treatment and Prognosis of Postural Orthostatic Tachycardia Syndrome (POTS)
The purpose of the study is to investigate effect of medical treatment and prognosis of Postural Orthostatic Tachycardia Syndrome (POTS)
- Trial name
- POTS (NCT02171988)
- Testing
- Propranolol, Bisoprolol, Propranolol+pyridostigmine
- Where
- South Korea
- Volunteers
- 150 people
- Sponsor
- Seoul National University Hospital
Postural Tachycardia Syndrome
Cognitive Dysfunction in Postural Tachycardia Syndrome
A common complaint among people with Postural Tachycardia Syndrome (POTS) is "brain fog" or difficulty concentrating. This is very poorly understood.
- Trial name
- NCT01366963
- Testing
- Seated Measurements, Standing Measurements, Self-Administered Surveys
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Postural Tachycardia Syndrome
Assessment of Vascular Endothelial Function in Postural Tachycardia Syndrome
The purpose of this study is to see if people with Postural Tachycardia Syndrome (POTS) have different levels of certain chemicals in their blood than people who don't have POTS.
- Trial name
- NCT01308099
- Testing
- Blood Pressure and Blood Flow
- Where
- 2 sites in United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Long Haul COVID, Postural Orthostatic Tachycardia Syndrome
Ivabradine for Long-Term Effects of COVID-19 With POTS Cohort
The purpose of the study is three-fold. The primary aim is to identify the proportion of Long-Haul COVID (LHC) and non-LHC volunteers with relevant symptoms actually have postural orthostatic tachycardia syndrome (POTS).
- Trial name
- COVIVA (NCT05481177)
- Testing
- Ivabradine
- Where
- United States
- Volunteers
- 250 people
- Sponsor
- Uniformed Services University of the Health Sciences
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 Orthostatic Tachycardia Syndrome (POTS)
Study of Natriuretic Peptide Receptor 1 (NPR1) Antagonist in Adult Patients With Postural Orthostatic Tachycardia Syndrome (POTS)
This study is researching an experimental drug called REGN7544 (called "study drug"). The study is focused on participants with POTS. The aim of the study is to see how safe, tolerable, and effective the study drug is.
- Trial name
- PINNACLE (NCT06593600)
- Testing
- REGN7544
- Where
- 16 sites in United States, Canada
- Volunteers
- 82 people
- Sponsor
- Regeneron Pharmaceuticals
Postural Tachycardia Syndrome, Orthostatic Intolerance
Hypercapnia and Orthostatic Tolerance in Postural Orthostatic Tachycardia Syndrome
The mechanism behind postural orthostatic tachycardia syndrome (POTS) involves many causes including a sympathetic nervous system problem.
- Trial name
- NCT04271878
- Testing
- RespirAct™ system (Thornhill Research Inc., Toronto, Canada)
- Where
- Canada
- Volunteers
- 26 people
- Sponsor
- University of Calgary
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
Compression Garments in the Community With POTS
Compression Garments are a commonly prescribed treatment in Postural Orthostatic Tachycardia Syndrome (POTS). The effectiveness of a proof-of-concept compression garment has been demonstrated in an acute laboratory setting.
- Trial name
- COM-COM-POTS (NCT04881318)
- Testing
- Waist-High Compression Tights, Abdominal Compression Garments, Medications that modulate heart rate and blood pressure
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- University of Calgary
Postural Orthostatic Tachycardia Syndrome (POTS), Fibromyalgia (FM)
Auto-immune Contribution in Symptom-based Sensory and Autonomic Disorders
Postural Orthostatic Tachycardia Syndrome (PoTS) is a condition where the heart rate increases when standing up, causing symptoms like dizziness and fainting.
- Trial name
- ACSSAD (NCT06992531)
- Testing
- Questionnaire and Physical Exam, Nerve conduction studies, Microneurography
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- King's College London
Postural Tachycardia Syndrome
A Novel Noninvasive Thermoregulatory Device for Postural Tachycardia Syndrome
The investigators hope to learn the feasibility and preliminary efficacy of the Embr device for improving thermal comfort in individuals with POTS and impaired thermoregulation.
- Trial name
- NCT04943276
- Testing
- Embr Device
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Stanford University
Ehlers Danlos Syndrome, External Hydrocephalus
Head Circumference Growth in Children With Ehlers-Danlos Syndrome Who Develop Dysautonomia Later in Life
It is known that 33-50% of Classic and Hypermobile Ehlers-Danlos Syndrome patients eventually develop dysautonomia, otherwise known as "POTS" (Postural Orthostatic Tachycardia Syndrome).
- Conditions
- Ehlers Danlos Syndrome, External Hydrocephalus, Dysautonomia, Postural Orthostatic Tachycardia Syndrome
- Trial name
- NCT01367977
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Genetic Disease Investigators
Postural Orthostatic Tachycardia Syndrome
CRI in POTS in Adolescents
The investigators aim to study whether the Compensatory Reserve Index (CRI) (an FDA approved device that assesses intravascular volume) can be used to evaluate severity of Postural Orthostatic Tachycardia Syndrome (POTS) and…
- Trial name
- POTS (NCT03974737)
- Testing
- CRI device (non-invasive vitals sign measurement)
- Where
- United States
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Vasovagal Syncope, Postural Tachycardia Syndrome
Hypnosis in Autonomic Function
This study will investigate the relationship between susceptibility to hypnosis and regulation of the autonomic nervous system (nerves that control involuntary body functions, such as heart rate and sweating).
- Conditions
- Vasovagal Syncope, Postural Tachycardia Syndrome, Hypnosis
- Trial name
- NCT00061009
- Where
- United States
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
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
POTS - Postural Orthostatic Tachycardia Syndrome
Postural Tachycardia Syndrome and Vasovagal Syncope in Relation to Serum Electrolytes and Adrenal Insufficiency
The present study aims to: 1. Estimate the prevalence of Postural Tachycardia Syndrome and vasovagal syncope among adults patients attend the Internal Medicine Clinic and ICU in period from 11/2022 to 10/2023 2.
- Trial name
- NCT05695755
- Testing
- ECHO, Serum electrolytes
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Assiut University
Postural Tachycardia Syndrome (POTS)
Effect of Dietary Sodium Intake on Vascular Endothelium
The investigators will test the hypothesis that markers of vascular endothelial dysfunction will be exaggerated acutely with an extreme high sodium diet compared to an extreme low-sodium diet.
- Trial name
- NCT01550315
- Testing
- Pulsitile Arterial Tonometry (PAT) Protocol, Calf Blood Flow in Reactive Hyperemia (CBF-RH), Evaluation of Forearm-Mediated Dilation
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center