Clinical trials: Cardiovascular Autonomic Dysfunction
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
Spinal Cord Injury
Blood Pressure, Cerebral Blood Flow and Cognition in Spinal Cord Injury
Following spinal cord injury autonomic regulation of the cardiovascular system is impaired, which results in a variety of measurable abnormalities in blood pressure.
- Trial name
- NCT02307565
- Testing
- Midodrine
- Where
- 2 sites in United States
- Volunteers
- 19 people
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Diabetes, Hypertension
FFA Hypertension and Inflammation in Lean and Obese Subjects
Although a large number of obese patients develop high blood pressure, the cause is unknown. The purpose of this study is to look at the effect of high fatty acids (a type of fat) in the development of high blood pressure in…
- Conditions
- Diabetes, Hypertension, Obesity
- Trial name
- FFAADA (NCT00721617)
- Testing
- Intralipid 20%, Normal Saline, Oral fat load
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Emory University
Hypotension, Orthostatic
Study to Assess the Benefit of Midodrine in the Treatment of Patients With Neurogenic Orthostatic Hypotension
The purpose of this clinical study is to evaluate the clinical effect of midodrine hydrochloride (ProAmatine®) compared to placebo in patients with orthostatic hypotension by measuring the time to onset of near syncopal symptoms…
- Trial name
- NCT00555880
- Testing
- Midodrine hydrochloride
- Where
- 11 sites in United States
- Volunteers
- 24 people
- Sponsor
- Shire
Ischemic Stroke, Thrombotic Stroke
Autonomic Neuromodulation by Transcutaneous Nerve Stimulation in Acute Ischaemic Stroke.
Autonomic modulation by transcutaneous vagal nerve stimulation in acute ischaemic stroke requiring mechanical thrombectomy: a phase IIa, sham controlled randomised trial.
- Conditions
- Ischemic Stroke, Thrombotic Stroke, Autonomic Dysfunction, Autonomic Imbalance
- Trial name
- VANS (NCT05417009)
- Testing
- trans-cutaneous auricular sensory stimulation
- Where
- United Kingdom
- Volunteers
- 36 people
- Sponsor
- Queen Mary University of London
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
Hypertension, Pure Autonomic Failure
Nitric Oxide and the Autonomic Nervous System
The amount of blood flowing to the different parts of the body is regulated by the autonomic (automatic) nerves and by local factors produced by the blood vessels.
- Trial name
- NCT00178919
- Testing
- L-NMMA, Trimethaphan
- Where
- United States
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Hypertension, Pure Autonomic Failure
Nebivolol in the Supine Hypertension of Autonomic Failure
The purpose of this study is to evaluate the effect of the antihypertensive drug, nebivolol (Bystolic), compared to metoprolol (Lopressor) and sildenafil (Viagra) on blood pressure in patients with autonomic failure and supine…
- Conditions
- Hypertension, Pure Autonomic Failure, Multiple System Atrophy
- Trial name
- NCT01044693
- Testing
- Nebivolol 5 mg, metoprolol tartrate 50 mg, Sildenafil25 mg
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Vanderbilt University
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
Hypertension, Diabetes
Free Fatty Acids-Induced Hypertension in Obese Subjects (Aim #2)
The purpose of this study is to see if salsalate, an Nuclear factor-kappaB (NF-κB) mediated inflammation inhibitor, or carvedilol, an α- and β-blocker, will protect against free fatty acid induced hypertension, insulin…
- Trial name
- FFAADA (NCT02406586)
- Testing
- Salsalate, Carvedilol, Intralipid 20%
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Emory University
Orthostatic Hypotension, Spinal Cord Injuries
A Study of Blood Pressure and Blood Supply to the Brain in Persons With a Spinal Cord Injury.
The purpose of this study is to determine how blood pressure and blood flow are controlled during head-up tilt in a semi-upright position.
- Trial name
- NCT00248807
- Testing
- 1.25 mg enalaprilat IV, Head up tilt (HUT)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Acute Ischemic Stroke, Biofeedback
Effects of Biofeedback in Patients With Acute Cerebral Infarction
The major aim of this study is to investigate the effects of biofeedback assisted abdominal breathing training on improving the psychological and physiological distress in patients with ACI.
- Conditions
- Acute Ischemic Stroke, Biofeedback, Autonomic Dysfunction, Cognitive Function, Psychological Distress
- Trial name
- NCT03516227
- Testing
- heart rate variability biofeedback
- Volunteers
- 40 people
- Sponsor
- National Defense Medical Center, Taiwan
Spinal Cord Injury
Bowel Care and Cardiovascular Function After Spinal Cord Injury
The main goal of this project is to determine the effects of lidocaine lubricant on cardiovascular function during routine bowel care in individuals with spinal cord injury.
- Trial name
- NCT01567605
- Testing
- Lidocaine lubricant
- Where
- 2 sites in Canada
- Volunteers
- 13 people
- Sponsor
- Simon Fraser University
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
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
Neurogenic Orthostatic Hypotension, Autonomic Failure
Effect of Midodrine vs Abdominal Compression on Cardiovascular Risk Markers in Autonomic Failure Patients
The purpose of this study is to learn more about the effects of abdominal compression and the medication midodrine, two interventions used for the treatment of orthostatic hypotension (low blood pressure on standing), on…
- Conditions
- Neurogenic Orthostatic Hypotension, Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy
- Trial name
- NCT04620382
- Testing
- Midodrine, Abdominal compression
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Vanderbilt University 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
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
Postural Orthostatic Tachycardia Syndrome
Dietary Sodium's Effect on Urinary Sodium and Dopamine Excretion in Patients With Postural Tachycardia Syndrome
Patients with Postural Tachycardia Syndrome (POTS) may not adequately expand their plasma volume in response to a high sodium diet.
- Trial name
- NCT01563107
- Testing
- Plasma Volume, Exercise Capacity Test - Bicycle, Posture Study
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Dysautonomia, Familial, Baroreflex Failure Syndrome
Carbidopa for the Treatment of Excessive Blood Pressure Variability
The overall study objectives are to determine whether carbidopa (Lodosyn®) is safe and well tolerated and to assess whether it can inhibit catecholamine-induced paroxysmal hypertension and normalize or reduce the exaggerated…
- Trial name
- CarbiFD (NCT02553265)
- Testing
- Carbidopa Low-Dose, Carbidopa High-Dose
- Where
- 2 sites in United States
- Volunteers
- 22 people
- Sponsor
- NYU Langone Health