Clinical trials: Orthostatic Intolerance
Chronic Fatigue Syndrome, Orthostatic Hypotension
Study To Assess The Clinical Benefit Of Droxidopa In Subjects With Chronic Fatigue Syndrome
A subset of patients suffering from chronic fatigue syndrome exhibit symptoms of neurally mediated hypotension. While the underlying pathophysiology of chronic fatigue syndrome is not precisely understood, a dysfunction of the…
- Conditions
- Chronic Fatigue Syndrome, Orthostatic Hypotension, Neurally Mediated Hypotension, Neurogenic Orthostatic Hypotension
- Trial name
- CFS201 (NCT00977171)
- Testing
- Droxidopa
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Chelsea Therapeutics
Postural Orthostatic Tachycardia Syndrome
Iron Sucrose in Adolescents With Iron Deficiency and Postural Orthostatic Tachycardia Syndrome (POTS)
This study is designed to investigate whether the treatment of non-anemic iron deficiency with intervenous iron sucrose will result in decreased symptom reporting and improved cardiovascular indices in adolescents (age 12-21)…
- Trial name
- NCT01978535
- Testing
- Iron infusion, Normal saline infusion
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Mayo Clinic
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, Chronic Fatigue Syndrome
The Exercise Response to Pharmacologic Cholinergic Stimulation in Myalgic Encephalomyelitis / Chronic Fatigue Syndrome
Myalgic encephalomyelitis/Chronic fatigue syndrome (ME/CFS), otherwise known as Chronic fatigue syndrome (CFS) or myalgic encephalomyelitis (ME), is an under-recognized disorder whose cause is not yet understood.
- Conditions
- Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, Chronic Fatigue Syndrome, Myalgic Encephalomyelitis, Exercise Intolerance
- Trial name
- NCT03674541
- Testing
- Pyridostigmine Bromide
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Brigham and Women's Hospital
Postural Tachycardia Syndrome
IVIG (Gamunex-C) Treatment Study for POTS Subjects
The purpose of this trial is to evaluate the symptomatic benefits of immunomodulatory treatment with IVIG for POTS (postural tachycardia syndrome) patients with evidence of autoimmunity.
- Trial name
- iSTAND (NCT03919773)
- Testing
- IVIG, Albumin
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University of Texas Southwestern Medical Center
Hypotension, Orthostatic
A Study for Patients With Neurogenic Orthostatic Hypotension
We are seeking male and female patients to voluntarily take part in a clinical research study. Patients must be aged 18 or older and diagnosed with symptomatic orthostatic hypotension (low blood pressure while in the upright…
- Trial name
- NCT00046475
- Testing
- Midodrine Hydrochloride
- Where
- 15 sites in United States
- Volunteers
- 140 people
- Sponsor
- Shire
Orthostatic Intolerance
Orthostatic Intolerance After Bariatric Surgery
More than 78 million adults in the U.S. are obese. Bariatric surgery is the only modality that results in sustained weight loss along with reversal of diabetes mellitus, and a decrease in cardiovascular events.
- Trial name
- RYGB (NCT03808740)
- Testing
- Atomoxetine
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Vanderbilt University Medical Center
Postural Tachycardia Syndrome, Autonomic Dysfunction
Non-invasive Vagal Neurostimulation (nVNS) in Adolescents With Postural Orthostatic Tachycardia Syndrome (POTS)
The purpose of this study is to determine if nVNS will decrease autonomic symptom intensity (COMPASS-31 and Child Functional Disability Inventory) in adolescent patients with postural orthostatic tachycardia syndrome (POTS) in…
- Conditions
- Postural Tachycardia Syndrome, Autonomic Dysfunction, Postural Orthostatic Tachycardia Syndrome, POTS - Postural Orthostatic Tachycardia Syndrome
- Trial name
- NCT06268288
- Testing
- GammaCore intervention, STEPS management protocol
- Where
- 2 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Symptomatic Neurogenic Orthostatic Hypotension (NOH), Non-diabetic Neuropathy
Clinical Study of Droxidopa in Patients With Neurogenic Orthostatic Hypotension (NOH)
The purpose of this study is to see whether droxidopa is effective in treating symptoms of neurogenic orthostatic hypotension in patients with Primary Autonomic Failure (Pure Autonomic Failure, Multiple System Atrophy…
- Conditions
- Symptomatic Neurogenic Orthostatic Hypotension (NOH), Non-diabetic Neuropathy, Primary Autonomic Failure, Dopamine Beta Hydroxylase Deficiency
- Trial name
- NOH302 (NCT00633880)
- Testing
- Droxidopa
- Where
- 54 sites in United States, Australia and 2 more
- Volunteers
- 181 people
- Sponsor
- Chelsea Therapeutics
Autonomic Nervous System Diseases, Orthostatic Hypotension
Treatment of Orthostatic Hypotension
The purpose of this study is to try different medications in patients with low blood pressure and other problems with their involuntary (autonomic) nervous system.
- Conditions
- Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
- Trial name
- NCT00581477
- Testing
- Droxidopa Oral Product
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Vanderbilt University
Diabetic Retinopathy, Macular Degeneration
Advancing Understanding of Transportation Options
This Stage II randomized, controlled, longitudinal trial seeks to assess the acceptability, feasibility, and effects of a driving decision aid use among geriatric patients and providers.
- Conditions
- Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa
- Trial name
- AUTO (NCT04141891)
- Testing
- Driving Decision Aid, Older Drivers Website
- Where
- 3 sites in United States
- Volunteers
- 529 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Postural Tachycardia Syndrome, Ehlers-Danlos Syndrome
Standing Cognition and Co-morbidities of POTS Evaluation
The purpose of this study is to evaluate cognition in patients with postural tachycardia syndrome (POTS) while lying down and standing and to assess the prevalence of hypermobile Ehlers-Danlos Syndrome in POTS.
- Trial name
- SCOPE (NCT03602482)
- Testing
- Standing, Supine
- Where
- United States
- Volunteers
- 139 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
Orthostatic Hypotension, Spinal Cord Injury
A Dose Response Trial Using 5 and 10 Mg of Midodrine Hydrochloride
With upright postures, there is an immediate redistribution of blood to the dependent circulation; venous return and central venous filling pressure are reduced, resulting in diminution of cardiac output and blood pressure.
- Trial name
- NCT00426842
- Testing
- Midodrine Hydrochloride
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Cardiac Pacemaker, Artificial, Cardiac Rhythm Disorder
Aveir DR i2i Study
Prospective, non-randomized, multi-center, international study designed to evaluate the safety and effectiveness of the Aveir™ Dual-Chamber (DR) Leadless Pacemaker system.
- Conditions
- Cardiac Pacemaker, Artificial, Cardiac Rhythm Disorder, Bradycardia
- Trial name
- NCT05252702
- Testing
- Aveir DR Leadless Pacemaker System
- Where
- 78 sites in United States, Austria and 11 more
- Volunteers
- 464 people
- Sponsor
- Abbott Medical Devices
Postural Orthostatic Tachycardia Syndrome (POTS)
The Renin-Aldosterone Axis in Postural Tachycardia Syndrome
The purpose of this study is to determine the role of the renin-angiotensin-aldosterone in the pathophysiology of postural tachycardia syndrome, and to provide an insight about the disease process in this disorder.
- Trial name
- NCT00962949
- Testing
- Angiotensin II
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Postural Orthostatic Tachycardia Syndrome
Efficacy and Safety Study of Efgartigimod in Adults With Post-COVID-19 POTS
The study aims to investigate the safety, tolerability, efficacy, pharmacodynamics (PD), pharmacokinetics (PK), and immunogenicity of efgartigimod compared to placebo in participants with post-COVID-19 postural orthostatic…
- Trial name
- POTS (NCT05633407)
- Testing
- Efgartigimod
- Where
- 11 sites in United States
- Volunteers
- 53 people
- Sponsor
- argenx
Postural Tachycardia Syndrome
Gastrointestinal Symptoms in Postural Orthostatic Tachycardia Syndrome
Patients with POTS experience significant gastrointestinal symptoms. Current evidence suggesting that abnormal post-ganglionic sympathetic function could play a role in the pathophysiology of these GI abnormalities.
- Trial name
- POTS-GUT (NCT03263819)
- Testing
- Oral glucose tolerance test
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- Vanderbilt University Medical Center
Orthostatic Hypotension, Spinal Cord Injury
Safety and Efficacy of L-NAME and Midodrine to Increase MAP
After a spinal cord injury the brain is no longer completely in control of the body below the level of injury. This affects many organs and systems in the body, we are interested in understanding how a spinal cord injury affects…
- Trial name
- NCT00835224
- Testing
- L-NAME, Midodrine
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
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
Orthostatic Hypotension, Falls
Orthostatic Hypotension Treatment on Rehab Unit
For patients recovering from acute illness, the ability to stand, walk, climb stairs, and participate in therapy are critical to their recovery and eventual discharge to the least restrictive environment.
- Trial name
- NCT01030874
- Testing
- Medication review, Nutrition/Salt intake, Education
- Where
- United States
- Volunteers
- 356 people
- Sponsor
- VA Office of Research and Development
Symptomatic Neurogenic Orthostatic Hypotension (NOH), Non-diabetic Neuropathy
A Clinical Study for Patients With Neurogenic Orthostatic Hypotension (NOH) Using Droxidopa
The purpose of this study is to see whether droxidopa is effective in treating symptoms of neurogenic orthostatic hypotension in patients with Primary Autonomic Failure (Pure Autonomic Failure, Multiple System Atrophy…
- Conditions
- Symptomatic Neurogenic Orthostatic Hypotension (NOH), Non-diabetic Neuropathy, Primary Autonomic Failure, Dopamine Beta Hydroxylase Deficiency
- Trial name
- NOH301 (NCT00782340)
- Testing
- Droxidopa
- Where
- 21 sites in United States, Canada
- Volunteers
- 263 people
- Sponsor
- Chelsea Therapeutics