Clinical trials: Orthostatic Intolerance
Autoimmune Autonomic Ganglionopathy (AAG)
Evaluating the Effectiveness of Intravenous Immunoglobulin Therapy in Autoimmune Autonomic Ganglionopathy
The purpose of the study is to see if administering intravenous immune globulin (IVIG) (putting immune globulin directly into your blood) helps to improve the symptoms of orthostatic hypotension (sudden fall in blood pressure…
- Trial name
- NCT01522235
- Testing
- Double blinded IVIg, Single Blinded IVIg
- Where
- 6 sites in United States
- Volunteers
- 6 people
- Sponsor
- Beth Israel Deaconess Medical Center
Postural Tachycardia Syndrome
Hemodynamic Effects of Compression in POTS
When an individual with Postural Tachycardia Syndrome (POTS) stands up, their heart rate increases significantly (>30BPM) and they may experience symptoms such as lightheadedness, dizziness, shortness of breath, nausea and mental…
- Trial name
- NCT03484273
- Testing
- LifeWrap Compression Garment
- Where
- Canada
- Volunteers
- 32 people
- Sponsor
- University of Calgary
Vasovagal Syncope
Syncope Prediction Study
The purpose of this study is to perform a prospective evaluation of the vasovagal syncope prediction algorithm, called Tilt Test Analyzer, during head up tilt testing tests in one center in the United Kingdom.
- Trial name
- SPS (NCT02140567)
- Where
- United Kingdom
- Volunteers
- 140 people
- Sponsor
- Medtronic BRC
Postural Orthostatic Tachycardia Syndrome
Dietary Salt in Postural Tachycardia Syndrome
Patients with POTS may not adequately expand their plasma volume in response to a high-sodium (Na+) diet. Mechanisms involved in the regulation of plasma volume, such as the renin-angiotensin-aldosterone system and renal…
- Trial name
- NCT01547117
- Testing
- Blood Volume, Total Blood Volume, Exercise Capacity Test - Bicycle
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Hypotension, Orthostatic
Orthostatic Hypotension in Rehabilitation Patients
The purpose of this study is to determine the prevalence and clinical course of orthostatic hypotension (OH) on a rehabilitation and nursing home unit during their inpatient stay and to initiate a standardized, interdisciplinary…
- Trial name
- NCT00117585
- Testing
- Treatment Phase 1, Treatment Phase 2, Treatment Phase 3
- Where
- United States
- Volunteers
- 341 people
- Sponsor
- VA Office of Research and Development
Neurogenic Orthostatic Hypotension, Non-Diabetic Autonomic Neuropathy
Open-Label Clinical Study of Droxidopa in Patients With Neurogenic Orthostatic Hypotension (NOH)
The purpose of this study is to assess the durability of effect of Droxidopa in treating symptoms of neurogenic orthostatic hypotension in patients with Primary Autonomic Failure (Pure Autonomic Failure, Multiple System Atrophy…
- Conditions
- Neurogenic Orthostatic Hypotension, Non-Diabetic Autonomic Neuropathy, Multiple System Atrophy, Dopamine Beta Hydroxylase Deficiency
- Trial name
- NOH303 (NCT00738062)
- Testing
- Droxidopa
- Where
- 54 sites in United States, Australia and 2 more
- Volunteers
- 103 people
- Sponsor
- Chelsea Therapeutics
Arhythmia, Atrioventricular Heart-block
Observation of ImageReady™ MR Conditional Pacing System in China
To observe the safety and efficacy of ImageReady™ MR Conditional Pacing System in Chinese subjects
- Conditions
- Arhythmia, Atrioventricular Heart-block, Chronic Bundle Branch or Branch Block, Carotid Sinus Hypersensitivity Reaction Syndrome
- Trial name
- NCT02636712
- Testing
- ImageReady™ MR Conditional Pacing System
- Where
- 2 sites in China
- Volunteers
- 10 people
- Sponsor
- Boston Scientific Corporation
Hypotension, Postural
Acetylcholinesterase Inhibition and Orthostatic Hypotension in SCI
Due to de-centralized cardiovascular control, persons with spinal cord injury (SCI) experience blood pressure (BP) dysregulation which manifests in chronic hypotension with exacerbation during orthostatic positioning.
- Trial name
- NCT02307526
- Testing
- Pyridostigmine Bromide, Tilt table test
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Orthostatic Hypotension, Parkinson's Disease
A Two Part Study (306A/306B) to Assess Droxidopa in Treatment of NOH in Patients With Parkinson's Disease
This is a study to evaluate the effects of an investigational drug, Droxidopa, in participants with neurogenic orthostatic hypotension (NOH), associated with Parkinson's disease.
- Trial name
- 306A/306B (NCT01176240)
- Testing
- Droxidopa
- Where
- 60 sites in United States
- Volunteers
- 225 people
- Sponsor
- Chelsea Therapeutics
Hypotension, Spinal Cord Injury
Prevention of Low Blood Pressure in Persons With Tetraplegia
The aim of this investigation is to determine the blood pressure response to NOS inhibition, with L-NAME, in persons with tetraplegia compared to non-SCI control subjects and to establish if blood pressure can be increased while…
- Trial name
- NCT00237770
- Testing
- N-Nitro L-arginine-methylester (L-NAME), Head-up Tilt maneuver
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Vasovagal Syncope
Prevention of Syncope Trial 6 - Atomoxetine in Vasovagal Syncope
Objective: To determine if atomoxetine 40 mg bid (bis in die) in patients ≥18 years old with recurrent vasovagal syncope will better prevent syncope during tilt testing than placebo.
- Trial name
- POST6 (NCT02500732)
- Testing
- Atomoxetine
- Where
- Canada
- Volunteers
- 57 people
- Sponsor
- University of Calgary
Postural Tachycardia Syndrome
Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS)
This study is to determine different chemical levels in the blood during a low salt diet. This study will compare normal volunteers to those with Postural Tachycardia Syndrome (POTS)
- Trial name
- NCT01764711
- Testing
- Cosyntropin administration
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Postural Orthostatic Tachycardia Syndrome
Effect of Ivabradine on Patients With Postural Orthostatic Tachycardia Syndrome
Postural orthostatic tachycardia syndrome (POTS) occurs in approximately 500,000 Americans, but predominates in women with a 5:1 ratio.
- Trial name
- POTS (NCT03182725)
- Testing
- Ivabradine
- Where
- United States
- Volunteers
- 37 people
- Sponsor
- University of California, San Diego
Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance
Hemodynamic Response of Neuropathic And Non-Neuropathic POTS Patients To Adrenoreceptor Agonist And Antagonist
The purpose of this study is to test the hypothesis that patients with non-neuropathic POTS will have different responsiveness than patients with neuropathic POTS to direct alpha-1 adrenoreceptor agonist therapy (droxidopa) and…
- Trial name
- NCT03070730
- Testing
- Droxidopa, Atenolol
- Where
- 2 sites in United States
- Volunteers
- 8 people
- Sponsor
- Beth Israel Deaconess Medical Center
Symptomatic Neurogenic Orthostatic Hypotension
Phase 3 Open-Label Extension Study of TD-9855 for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure
A Phase 3, multi-center, open-label study to evaluate the safety and tolerability of ampreloxetine in subjects with primary autonomic failures (MSA, PD, and PAF) and symptomatic nOH over 182 weeks.
- Trial name
- OAK (NCT04095793)
- Testing
- ampreloxetine
- Where
- 55 sites in United States, Australia and 16 more
- Volunteers
- 110 people
- Sponsor
- Theravance Biopharma
Orthostatic Hypertension
Intravenous Norepinephrine for Orthostatic Hypotension
Background: Orthostatic hypotension is a fall in blood pressure when standing up. Normally, a reflex action of the automatic nervous system makes blood vessels tighten when people stand up.
- Trial name
- NCT01285908
- Testing
- Intravenous Norepinephrine Infusion
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Syncope, Vasovagal
The Effect of CPC on Aborting Tilt Induced Syncope in Patients With a History of Vasovagal Syncope or Near Syncope
Syncope is defined as transient loss of consciousness associated with inability to maintain postural tone with rapid and spontaneous recovery.
- Trial name
- NCT04972123
- Testing
- CPC - Capsaicin, Phenylephrine, Caffeine, Tilt Table Test
- Where
- United States
- Volunteers
- 143 people
- Sponsor
- University of Wisconsin, Madison
Orthostatic Hypotension, Idiopathic Parkinson Disease
Lundbeck TOMs Orthostatic Hypotension
Orthostatic hypotension (OH), which consists in a significant reduction in blood pressure levels upon standing from a seated position, may affect approximately one in three patients with Parkinson's disease (PD).
- Trial name
- NCT04510922
- Testing
- Droxidopa 100 MG [Northera]
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Alberto Espay, MD, MSc
Spinal Cord Injury
Transcutaneous Stimulation in Spinal Cord Injury
Cardiovascular disease has become the leading cause of death in the spinal cord injury population. Increased reliance on the renin-angiotensin-aldosterone system (RAAS) is believed to decrease falls in blood pressure when moving…
- Trial name
- SCI (NCT05180227)
- Testing
- DS8R
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- VA Office of Research and Development
Neurocardiogenic Syncope, Vasovagal Syncope
Cardioneuroablation for Neurocardiogenic Syncope
The purpose of this study is to evaluate the effectiveness of cardioneuroablation for the treatment of neurocardiogenic syncope (NCS), also known as "vaso-vagal" syncope.
- Trial name
- Ablate-NCS (NCT02009982)
- Testing
- Cardioneuroablation, Biosense Webster Navistar ThermoCool Diagnostic/Ablation Deflectable Tip Catheter
- Where
- 2 sites in United States
- Volunteers
- 3 people
- Sponsor
- David B. De Lurgio