Clinical trials: Orthostatic Intolerance, active
Orthostatic Hypotension
Research, Development, and Application of Intelligent Diagnostic System for Orthostatic Hypotension
Orthostatic hypotension (OH) has a high incidence rate of 30%-50% in the elderly and populations with neurodegenerative diseases.
- Trial name
- NCT07309666
- Testing
- Intelligent diagnostic system for orthostatic hypotension
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- Xuanwu Hospital, Beijing
Long COVID, Postural Orthostatic Tachycardia Syndrome
The Long COVID-19 Wearable Device Study
To further characterize Long COVID-19 by collecting data from individuals who already own wearable devices or are provided with a wearable device along with basic and enhanced educational materials to determine if both can…
- Conditions
- Long COVID, Postural Orthostatic Tachycardia Syndrome, Dysautonomia, Myalgic Encephalomyelitis
- Trial name
- NCT05741112
- Testing
- Wearable device
- Where
- United States
- Volunteers
- 100,500 people
- Sponsor
- Scripps Translational Science Institute
Spinal Cord Injuries, Orthostatic Hypotension
Speed of Robotic Leg Movements and Orthostatic Hypotension in Subacute SCI
This study seeks to evaluate whether the speed (cadence) of lower extremity robotic movement has an impact on orthostatic hypotension and upright tolerance when training with the ErigoPro robotic tilt-stepper.
- Trial name
- NCT04029974
- Testing
- ErigoPro
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Methodist Rehabilitation Center
Postural Tachycardia Syndrome
Aldosterone & Sodium Regulation in Postural Tachycardia Syndrome - Screening
The purpose of the study is to determine whether patients meet criteria for Postural Tachycardia Syndrome (or not) and have reduced blood volume (or not).
- Trial name
- NCT01783288
- Testing
- Autonomic Function Testing, Posture Study, Measurement of Total Blood Volume
- Where
- United States
- Volunteers
- 110 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
Autonomic Dysfunction, Orthostatic Intolerance
Continuous and Non-invasive Measurements by Task Force® CORE/CARDIO in Autonomic Function Testing (AFT)
Background: The investigational device, "Task Force® CORE" (TFC, CNSystems Medizintechnik GmbH, Graz, Austria) together with the "Task Force® CARDIO" (TFCARDIO, CNSystems Medizintechnik GmbH, Graz, Austria) medical device…
- Trial name
- NCT05977335
- Testing
- Autonomic Function Testing
- Volunteers
- 75 people
- Sponsor
- CNSystems Medizintechnik GmbH
Postural Tachycardia Syndrome
A Study of Pyridostigmine in Postural Tachycardia Syndrome
This is a 3-day study comparing pyridostigmine versus placebo in the treatment of postural tachycardia syndrome (POTS). The researchers expect pyridostigmine to improve tachycardia and stabilize blood pressure.
- Trial name
- NCT00409435
- Testing
- pyridostigmine
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Mayo Clinic
Orthostatic Hypotension, Syncope
The Effect of Water Carbonation on Orthostatic Tolerance
The primary purpose of this investigation is to determine whether water carbonation can improve orthostatic tolerance in healthy control volunteers.
- Conditions
- Orthostatic Hypotension, Syncope, Vasovagal Syncope
- Trial name
- NCT05621460
- Testing
- 500mL carbonated water, 500mL still water, 50mL still water
- Where
- Canada
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Simon Fraser University
Healthy
Effect of Sex on Orthostatic Intolerance and Cardiovascular Response During Lunar Descent and Ascent
The purpose of Lunar OI (Orthostatic Intolerance) is to determine if there are differences between males and females in tolerance to and cardiovascular responses during different angles of head-up tilt simulating gravity levels…
- Trial name
- Lunar OI (NCT06467825)
- Testing
- Potassium Supplement, Furosemide 20 MG, Compression Garment
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- National Aeronautics and Space Administration (NASA)
Postural Orthostatic Tachycardia Syndrome
CAlgary SAlt for POTS
Many patients with postural orthostatic tachycardia syndrome (POTS) have decreased plasma volume. Current POTS guidelines recommend ~10 g of salt and 2-3 L of fluid per day.
- Trial name
- CASA-POTS (NCT05924646)
- Testing
- Sodium Chloride Capsules, Microcystalline Cellulose Capsules
- Where
- Canada
- Volunteers
- 50 people
- Sponsor
- University of Calgary
Parkinson Disease, Orthostatic Hypotension
Blood Pressure Effects on Cognition and Brain Blood Flow in PD
Parkinson's disease (PD) is the second most common neurodegenerative disorder worldwide. Besides causing symptoms that impair movement, PD also causes non-motor symptoms, such as problems thinking and orthostatic hypotension…
- Conditions
- Parkinson Disease, Orthostatic Hypotension, Dysautonomia
- Trial name
- NCT05400174
- Testing
- Tilt table (upright position)
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of California, San Diego
Benign Prostatic Hyperplasia
Ceasing Alpha-blockers Early After Resection of the Prostate (The CLEAR Trial)
After surgery for benign prostatic hyperplasia (BPH) that physically removes the prostatic transition zone (such as TURP or laser enucleation), many men are routinely sent home with a 2- to 4-week prescription of an alpha-blocker…
- Trial name
- CLEAR (NCT07846579)
- Testing
- Tamsulosin hydrochloride 0.2 mg
- Volunteers
- 400 people
- Sponsor
- Shanghai East Hospital
Bradycardia, Syncope, Vasovagal
Comparison of Focal Cryoablation vs. Radiofrequency Cardioneuroablation for Bradyarrhythmias
Bradyarrhythmias are conditions where the heart beats too slowly, causing symptoms like dizziness, fainting, and fatigue. In some patients, these slow heart rhythms are caused by overactivity of the vagus nerve (the part of the…
- Conditions
- Bradycardia, Syncope, Vasovagal, Sick Sinus Syndrome, Atrioventricular Block
- Trial name
- CRYO-CNA vs RF (NCT07671898)
- Testing
- Focal Cryoablation, Radiofrequency Catheter Ablation
- Where
- Russia
- Volunteers
- 60 people
- Sponsor
- Tomsk National Research Medical Center of the Russian Academy of Sciences
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
Orthostatic Hypotension
Autonomic Effects of Spinal Cord Stimulation in Spinal Cord Injury
The goal of this interventional crossover study is to determine the effects of transcutaneous spinal cord stimulation (TSCS) on the ability to perform moderate exercise and regulate core body temperature in the chronic spinal…
- Trial name
- NCT05960448
- Testing
- Transcutaneous Spinal Cord Stimulation (TSCS)
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- James J. Peters Veterans Affairs Medical Center
POTS, POTS - Postural Orthostatic Tachycardia Syndrome
Pathophysiology of Dysautonomia and Postural Tachycardia Syndrome (POTS) in Post-viral Syndromes and COVID-19
This study aims to better understand the biological mechanisms underlying dysautonomia and postural orthostatic tachycardia syndrome (POTS), including how these conditions may be related to COVID-19.
- Conditions
- POTS, POTS - Postural Orthostatic Tachycardia Syndrome, Dysautonomia, Autonomic Dysfunction
- Trial name
- fBRI (NCT07405515)
- Testing
- Blood Sample Collection
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Orthostatic Hypotension
State of Knowledge Among Nurses Regarding the Screening for Orthostatic Hypotension in Elderly Individuals in Acute Geriatric Medicine and Medical and Rehabilitation Services
Orthostatic hypotension is a common geriatric syndrome associated with an increased risk of falls, syncope, functional decline and mortality in older adults.
- Trial name
- HTO-IDE (NCT07738666)
- Testing
- Administration of questionnaires on nurses' knowledge of orthostatic hypotension, its measurement, diagnosis and management
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Hôpital NOVO
Hypertension, Autonomic Dysfunction
Autonomic Regulation of Blood Pressure and Heart Rate During Orthostasis and Exercise in Healthy and Hypertensive Individuals
The goal of this observational study is to assess arterial stiffness and autonomic regulation of blood pressure and heart rate in healthy adults and people with arterial hypertension during orthostatic stress and graded physical…
- Conditions
- Hypertension, Autonomic Dysfunction, Orthostatic Hypotension
- Trial name
- NCT07482462
- Where
- Slovenia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
Postural Orthostatic Tachycardia Syndrome (POTS)
Beta-3 Enhanced Autonomic Therapy for POTS
The study will test the hypothesis that mirabegron is more effective than a placebo in alleviating postural orthostatic tachycardia (POTS) symptoms.
- Trial name
- BEAT-POTS (NCT07585513)
- Testing
- Mirabegron
- Volunteers
- 36 people
- Sponsor
- Cedars-Sinai Medical Center
Functional Gastrointestinal Disorders, Hypermobile Ehlers-Danlos Syndrome
Auricular Vagal Nerve Stimulation for Hypermobile Ehlers-Danlos Syndrome
Hypermobile Ehlers-Danlos Syndrome (hEDS) is a connective tissue disorder characterized by hyperextensible skin, joint hypermobility and additional connective tissue manifestations.
- Conditions
- Functional Gastrointestinal Disorders, Hypermobile Ehlers-Danlos Syndrome, Postural Orthostatic Tachycardia Syndrome, Autonomic Nervous System Disease
- Trial name
- NCT05212129
- Testing
- Percutaneous vagal nerve stimulation (pVNS) device, Acoustic vagal nerve stimulation (aVNS) treatment
- Where
- United States
- Volunteers
- 90 people
- Sponsor
- Medical College of Wisconsin