Clinical trials: Orthostatic Intolerance, open to volunteers
Autonomic Dysfunction, Orthostatic Intolerance
Autonomic Dysfunction in Patients Following Bariatric Surgery: The ADiPOSE Study
Observational two phase, retrospective and prospective registry study to assess the prevalence of and characterize outcomes of autonomic dysfunction (AD) in patients who undergo bariatric surgery (BS) and to better define the…
- Trial name
- NCT06289413
- Testing
- Development of AD/OI after BS
- Where
- 8 sites in United States
- Volunteers
- 400 people
- Sponsor
- Kansas City Heart Rhythm Research Foundation
Vasovagal Syndrome VVS, Cardioinhibitory Carotid Sinus Syndrome CSS
POLish Registry of CArdioneuroablation and CArdioneuromodulation
The multicentre observational study POL-CA involves a wide spectrum of patients with a history of syncopy. The study recruits patients with diagnosed vasovagal syndrome, cardioinhibitory carotid sinus syndrome, symptomatic sinus…
- Conditions
- Vasovagal Syndrome VVS, Cardioinhibitory Carotid Sinus Syndrome CSS, Symptomatic Sinus Bradycardia SB or Atrioventricular Block AV, Postural Orthostatic Tachycardia Syndrome POTS
- Trial name
- POL-CA (NCT07196397)
- Testing
- cardioneuroablation, SN sparing hybrid ablation, Cardiac sympathetic denervation
- Where
- Poland
- Volunteers
- 1,000 people
- Sponsor
- SABAMED Medical Center Ltd.
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
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
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
Orthostatic Hypotension, Postprandial Hypotension
Orthostatic And Postprandial Hypotension In Hospitalized Older Adults (HOPE65)
The goal of this observational study is to determine how often orthostatic hypotension and postprandial hypotension occur in adults aged 65 years and older who are hospitalized in internal medicine departments.
- Trial name
- HOPE65 (NCT07485998)
- Where
- Slovenia
- Volunteers
- 500 people
- Sponsor
- University Medical Centre Ljubljana
Syncope, Vasovagal, Postural Orthostatic Tachycardia Syndrome
Postural Sway and Counterpressure Maneuvers for Pediatric Syncope
The investigators are interested in whether discrete counterpressure maneuvers, or muscle movements in the lower body, will boost blood pressure and cardiovascular control in children who faint.
- Conditions
- Syncope, Vasovagal, Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance
- Trial name
- NCT05633693
- Testing
- Counterpressure Maneuvers, Baseline Stand
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- Simon Fraser University
Sarcopenia, Fatigue
Association Between Sarcopenia, Fatigue and Orthostatic Intolerance in Geriatric Patients: A Case Control Study
This study aims to explore the relationship between sarcopenia, fatigue, and orthostatic intolerance in older adults. It will be conducted among geriatric patients attending Ain Shams University Hospitals.
- Conditions
- Sarcopenia, Fatigue, Orthostatic Intolerance
- Trial name
- NCT07564830
- Where
- Egypt
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Orthostatic Hypotension, Dysautonomic, Orthostatic Intolerance
The STAND-UP Study
Orthostatic hypotension (OH) and orthostatic intolerance (OI) are common conditions where blood pressure drops when standing up, causing dizziness, fainting, or fatigue.
- Trial name
- NCT07195903
- Testing
- Angioplasty or stenting
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- St. Francis Hospital, New York
Idiopathic Hypersomnia, POTS - Postural Orthostatic Tachycardia Syndrome
Effect of Low Sodium Oxybate (LXB) on Autonomic Symptom Burden in Idiopathic Hypersomnia Patients With Postural Tachycardia Syndrome
The investigators hope to learn if low sodium oxybate (LXB) is an effective treatment for symptoms of idiopathic hypersomnia (IH) and postural tachycardia syndrome (POTS).
- Trial name
- NCT07077278
- Testing
- Low sodium oxybate (LXB)
- Volunteers
- 25 people
- Sponsor
- Stanford University
Spinal Cord Injuries, Hypotension
Impact of Transcutaneous Spinal Stimulation on Blood Pressure and Orthostasis in Spinal Cord Injury
The purpose of this study is to learn whether stimulation applied to the spinal cord through the skin (called transcutaneous spinal stimulation) can help control blood pressure in people with a spinal cord injury.
- Conditions
- Spinal Cord Injuries, Hypotension, Orthostatic Hypotension, Spinal Cord Diseases
- Trial name
- (SCI) (NCT07674511)
- Testing
- Tilt test with stimulation (real-time effects): Intervention 1, 20 sessions of stimulation (Intervention 2)
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Kessler Foundation
Spinal Cord Injuries, Cardiovascular Diseases
Cardiopulmonary Changes Following Spinal Cord Stimulation in Individuals With Spinal Cord Injury
The aim of this study is to examine the mechanisms of transcutaneous spinal cord stimulation (tSCS) for improving cardiovascular and pulmonary function in individuals with chronic motor-complete spinal cord injury (SCI) by…
- Conditions
- Spinal Cord Injuries, Cardiovascular Diseases, Cardiopulmonary Diseases
- Trial name
- NCT06379711
- Testing
- Transcutaneous Spinal Cord Stimulation (tSCS)
- Where
- Canada
- Volunteers
- 22 people
- Sponsor
- University of British Columbia
Cardiac Pacing in Adherence With ESC Cardiac Pacing Guidelines
AVEIR™ Leadless Pacemaker Registry in Europe and MIddle East Region (PREMIER LEADLESS)
The AVEIR™ Leadless Pacemaker Registry (herein referred to as "PREMIER LEADLESS Registry") is a prospective, multicenter, International, open label observational study designed to evaluate safety and electrical performances of…
- Trial name
- NCT06782152
- Volunteers
- 1,698 people
- Sponsor
- King Fahad Armed Forces Hospital
Colorectal Neoplasia, Screening Colonoscopy
Total Underwater Colonoscopy (TUC) for Improved Colorectal Cancer Screening: A Randomized Controlled Trial
Colorectal cancer (CRC), the third most diagnosed cancer and second most common cause of cancer death. CRCs develop from precursors like adenomas (about 70% of CRCs) or serrated lesions (SSLs) (about 25-30% of CRCs).
- Conditions
- Colorectal Neoplasia, Screening Colonoscopy, Colorectal Cancer, Colorectal Cancer Screening
- Trial name
- NCT06333392
- Testing
- Total underwater colonoscopy, Conventional colonoscopy
- Where
- 5 sites in Norway, Sweden
- Volunteers
- 1,070 people
- Sponsor
- Vestre Viken Hospital Trust
Hypotension Symptomatic, Parkinson's Disease
Epidural Electrical Stimulation to Support Hemodynamic Management in Individuals With Parkinson's Disease
The PD-HemON study aims to evaluate the safety and preliminary efficacy of ARC-IM Therapy (Epidural Electrical Stimulation) to support hemodynamic management in people with typical and atypical Parkinson's Disease, who suffer…
- Conditions
- Hypotension Symptomatic, Parkinson's Disease, Orthostatic Hypotension, Dysautonomic, Multiple System Atrophy (MSA) With Orthostatic Hypotension
- Trial name
- PD-HemON (NCT06920134)
- Testing
- ARC-IM Investigational System
- Where
- Switzerland
- Volunteers
- 5 people
- Sponsor
- Ecole Polytechnique Fédérale de Lausanne
Vasovagal Syncope
Study of Atomoxetine in the Prevention of Vasovagal Syncope
Project rationale: Vasovagal syncope (VVS) affects up to 50% of people, and recurrent syncope markedly reduces quality of life. We recently reported that it is frequently associated with injury and not surprisingly with clinical…
- Trial name
- POST7 (NCT05159687)
- Testing
- Atomoxetine Hydrochloride
- Where
- Canada
- Volunteers
- 180 people
- Sponsor
- University of Calgary
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
Postural Tachycardia Syndrome (POTS)
Splanchnic Venous Capacitance in Postural Tachycardia Syndrome
Postural tachycardia syndrome (POTS) affects ≈3 million young people, characterized by chronic presyncopal symptoms characterized by dizziness, lightheadedness, and orthostatic tachycardia that occur while standing.
- Trial name
- NCT05375968
- Testing
- Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls POTS patients, Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls, Compare change is SVC and SMA flow due to GIP antagonist GIP(3-30)NH2
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
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)
Hypertension, Pure Autonomic Failure
Overnight Trials With Heat Stress in Autonomic Failure Patients With Supine Hypertension
Patients with autonomic failure are characterized by disabling orthostatic hypotension (low blood pressure on standing), and at least half of them also have high blood pressure while lying down (supine hypertension).
- Conditions
- Hypertension, Pure Autonomic Failure, Multiple System Atrophy, Autonomic Failure
- Trial name
- NCT03042988
- Testing
- Heating pad
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Vanderbilt University Medical Center