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
Orthostatic Hypotension, Diabetes
Insulin Therapy and Falls Due to Orthostatic Hypotension
In the proposed study, the investigators examine in older adults with Type 2 diabetes the impact of beginning insulin therapy on the orthostatic drop in blood pressure as well as the response of arterial blood pressure and…
- Conditions
- Orthostatic Hypotension, Diabetes, Syncope
- Trial name
- NCT01914146
- Testing
- Insulin, No Insulin
- Where
- Canada
- Sponsor
- University of British Columbia
Vasovagal Syncope, AV Block-2Nd Degree-Type 1
Cardioneuroablation for Recurrent Vasovagal Syncope and Bradyarrhythmias: The CNA-FWRD Registry
The CNA-FWRD Registry is an international prospective observational multicenter registry of patients with symptomatic vasovagal syncope and bradyarrhythmias managed under routine care by medical therapy and radiofrequency…
- Conditions
- Vasovagal Syncope, AV Block-2Nd Degree-Type 1, Sinus Pause
- Trial name
- CNA-FWRD (NCT06166277)
- Testing
- Ablation procedure
- Where
- United States
- Volunteers
- 300 people
- Sponsor
- Rush University 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
Spinal Cord Injury, Orthostatic Hypotension
ARC Therapy to Restore Hemodynamic Stability and Trunk Control in People With Spinal Cord Injury
The goal of this interventional study is to evaluate the safety and preliminary effectiveness of the ARC-IM Therapy to improve hemodynamic management in people with sub-acute or chronic spinal cord injury.
- Trial name
- HemON-NL (NCT05941819)
- Testing
- ARC-IM Thoracic System implantation
- Where
- Netherlands
- Volunteers
- 16 people
- Sponsor
- ONWARD Medical, Inc.
Hypertension, Elevated Blood Pressure
Blood Pressure Following Isometric Exercise in Inactive Adults
This study investigates how isometric exercise training (IET) affects blood pressure in physically inactive adults. Isometric exercise involves sustained muscle contractions without movement-for example, pushing against a fixed…
- Conditions
- Hypertension, Elevated Blood Pressure, Sedentary Lifestlye
- Trial name
- BELIEF-BP (NCT06937164)
- Testing
- Isometric Exercise Training (IET), Expectation-Enhancing Informational Framing
- Where
- United Kingdom
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Canterbury Christ Church University
Hypertension, Vascular Stiffness
Transcutaneous Electrical Nerve Stimulation (TENS) on Arterial Stiffness and Blood Pressure
Uncontrolled blood pressure represents the main factor in the development of target organ lesions and, consequently, cardiovascular events, which are the leading cause of morbidity and mortality worldwide.
- Conditions
- Hypertension, Vascular Stiffness, Autonomic Nervous System Diseases
- Trial name
- TENS (NCT02365974)
- Testing
- Transcutaneous Electrical Stimulation, No Transcutaneous Electrical Stimulation
- Volunteers
- 64 people
- Sponsor
- Hospital de Base
Precapillary Pulmonary Hypertension, Pulmonary Arterial Hypertension
Evolution of Hypoxic Burden and Sympathetic/Parasympathetic Balance in Patients With Pulmonary Hypertension
Background and Rationale: Sleep-disordered breathing and nocturnal hypoxemia are highly prevalent in patients with precapillary pulmonary hypertension (PH), and current guidelines recommend systematic sleep assessment in this…
- Conditions
- Precapillary Pulmonary Hypertension, Pulmonary Arterial Hypertension, Sleep-disordered Breathing, Nocturnal Hypoxemia
- Trial name
- HRV&PH (NCT07464184)
- Testing
- Standard Clinical and Functional Assessment, Overnight Polysomnography
- Where
- France
- Volunteers
- 60 people
- Sponsor
- University Hospital, Rouen
Sinus Bradycardia
Cardiac Denervation Ablation Strategy for Severe Sinus Bradycardia
This is a prospective clinical observation and registration study. The investigator aimed to evaluate the efficacy and safety of cardiac denervation ablation as a treatment strategy for severe sinus bradycardia.
- Trial name
- NCT06276816
- Where
- China
- Volunteers
- 88 people
- Sponsor
- China National Center for Cardiovascular Diseases
Epilepsy, Pediatric Epilepsy
Time-Domain Heart Rate Variability and QT Interval in Children With Epilepsy
Epilepsy is a chronic neurological disorder characterized by recurrent unprovoked seizures, but it can also affect the autonomic nervous system and cardiovascular function.
- Conditions
- Epilepsy, Pediatric Epilepsy, Autonomic Dysfunction, Cardiac Arrhythmias
- Trial name
- NCT07834983
- Volunteers
- 60 people
- Sponsor
- Assiut 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
Orthostatic Hypotension
Assessment of Hand-grip in the Prevention of Postural Orthostatic Hypotension
The study is aimed to assess the efficacy of hand-grip in preventing orthostatic hypotension in 20 patients diagnosed with autonomic failure. Five healthy subjects will be studied for comparison.
- Trial name
- NCT01521221
- Testing
- Hand grip maneuver
- Where
- Israel
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
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
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
Neurologic Disorders, Nervous System Diseases
Neurologic Stem Cell Treatment Study
This is a human clinical study involving the isolation of autologous bone marrow derived stem cells (BMSC) and transfer to the vascular system and inferior 1/3 of the nasal passages in order to determine if such a treatment will…
- Conditions
- Neurologic Disorders, Nervous System Diseases, Neurodegenerative Diseases, Neurological Disorders
- Trial name
- NEST (NCT02795052)
- Testing
- Intravenous and Intranasal BMSC
- Where
- 3 sites in United States, United Arab Emirates
- Volunteers
- 500 people
- Sponsor
- MD Stem Cells
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
Glucose Response, Blood Pressure
Effects of Meal and Exercise Sequence on Glucose and Blood Pressure Responses
The purpose of this study is to investigate whether the sequence meal and exercise (exercise before meal or exercise after meal) affects the postprandial metabolism.
- Trial name
- NCT06949683
- Testing
- Meal-Exercise, Exercise-Meal
- Where
- Taiwan
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- National Taiwan Normal University
Insufficiency;Cardiac, Cancer
Effect of Physical Training in Patients With Heart Failure Caused by Chemotherapy for Cancer Treatment
New therapies for cancer increased patient survival, but led to the recognition of adverse effects associated with cancer treatment, such as the use of chemotherapy.
- Conditions
- Insufficiency;Cardiac, Cancer, Cardiotoxicity, Heart Failure
- Trial name
- NCT04047901
- Testing
- exercise training
- Where
- Brazil
- Volunteers
- 20 people
- Sponsor
- University of Sao Paulo General Hospital
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