Clinical trials: Sympathetic Disorder
Dysautonomia, ACCUVEIN
Screening for Alterations in the Autonomic Nervous System
Dysautonomia is an alteration of the autonomic nervous system that manifests itself in different forms, some of which are very disabling. Dysautonomia accompanies many pathologies.
- Conditions
- Dysautonomia, ACCUVEIN, Superficial Veins, Sympathetic Nervous System
- Trial name
- SYMPA-VEIN (NCT07029191)
- Testing
- Progressive standing test
- Where
- France
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Diabetes Mellitus
Sympathetic Nerve Activity During Hypoglycemia and Exercise
The purpose of this study is to determine if either hypoglycemia or exercise cause differential responses in muscle and skin sympathetic nerve activity.
- Trial name
- NCT00608348
- Testing
- Hyperinsulinemic glucose clamp procedures, moderate exercise
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Cardiovascular Disease
Cardiometabolic Benefits of Omega-3 Polyunsaturated Fatty Acids
Omega 3 fatty acids have been shown to provide a number of cardiometabolic benefits in both healthy and at risk populations. Specifically, the daily consumption of fish oil supplements has been reported to reduce blood…
- Trial name
- TGIF (NCT03378232)
- Testing
- High EPA Supplement, High DHA Supplement
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Guelph
Elevated Blood Pressure
Mindfulness and Neural Cardiovascular Control in Humans
This study evaluates the impact of mindfulness-based stress reduction (MBSR) on sympathetic nerve activity and arterial stiffness.
- Trial name
- NCT03626363
- Testing
- Stress Management
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Michigan Technological University
Familial Mediterranean Fever, Autonomic Dysfunction
Investigation of Autonomic Dysfunction in Patients With Familial Mediterranean Fever
Familial Mediterranean Fever (FMF) is the most common inherited autoinflammatory disease affecting 150,000 patients worldwide. Periodic febrile exacerbations, peritonitis, and pleuritis are characteristic disease features.
- Trial name
- NCT05596643
- Testing
- Composite Autonomic Symptom Score-31, r-r interval variability with normal breathing, r-r interval variability with deep breathing
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Marmara University
Heart Failure, Congestive
Meta-Iodobenzylguanidine (123I-mIBG) Scintigraphy Imaging in Patients With Heart Failure and Control Subjects Without Cardiovascular Disease
The study is designed to study the utility of 123I-mIBG as a diagnostic imaging agent to predict cardiac outcome in subjects with heart failure and in comparison to subjects without cardiovascular disease.
- Trial name
- NCT00126438
- Testing
- 123I-mIBG (meta-iodobenzylguanidine)
- Where
- United States
- Volunteers
- 515 people, healthy volunteers welcome
- Sponsor
- GE Healthcare
Spinal Cord Injury
Impact of Age on Cardiovascular, Cerebrovascular and Cognitive Health in Spinal Cord Injury
As the spinal cord injured population ages, these individuals are being exposed to an increased prevalence of age-associated diseases, which coupled with the secondary complications of the injury may contribute to the reduced…
- Trial name
- NCT01984476
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Spinal Cord Injury, Autonomic Dysreflexia
Treatment of Post-SCI Hypotension
While treatment strategies for OH have been identified for use in persons with acute SCI, the field of SCI medicine lacks a gold standard for treatment thresholds and well-defined outcome parameters.
- Conditions
- Spinal Cord Injury, Autonomic Dysreflexia, Orthostatic Hypotension, Baroreceptor Integrity
- Trial name
- NCT02919917
- Testing
- Midodrine Hydrochloride
- Where
- 2 sites in United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Vasoconstriction, Healthy
Impact of Insulin on Sympathetic Nervous System-mediated Peripheral Vasoconstriction
The purpose of this project is to determine if hyperinsulinemia attenuates sympathetic nervous system-mediated vasoconstriction in the human leg.
- Conditions
- Vasoconstriction, Healthy, Insulin Resistance
- Trial name
- NCT05244694
- Testing
- Insulin
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Migraine Disorders
Defining the Sympathetic Skin Response of Migraineurs in the Facial Area
The aim of this study is to define the sympathetic skin response of migraineurs in the facial area. This will be achieved by exposing healthy volunteers and migraine patients to various stress stimuli (pain, visual stimulation…
- Trial name
- NCT03772860
- Testing
- Pain stimulation, Visual stimulation, Auditory stimulation
- Where
- Israel
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Hillel Yaffe Medical Center
Hypotension, Orthostatic, Hypertension
Effects of Melatonin to Reduce Nocturnal Hypertension in Patients With Neurogenic Orthostatic Hypotension
Neurogenic Orthostatic Hypotension (NOH) is clinically defined as a consistent drop in systolic blood pressure (SBP) ≥30mmHg upon standing from a seated or lying position.
- Conditions
- Hypotension, Orthostatic, Hypertension, Autonomic Nervous System Diseases
- Trial name
- NCT02963181
- Testing
- Yohimbine, Melatonin
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Cardiovascular Diseases
Loneliness and Social Connection in Cardiovascular Disease
The study evaluates the impact of vulnerable self-disclosure and perceived responsiveness in individuals across levels of loneliness. Participants will be randomized to a high disclosure or a low disclosure condition.
- Trial name
- NCT04195620
- Testing
- High self-disclosure, Low self-disclosure
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Morehead State University
Benign Paroxysmal Positional Vertigo, Vertigo
The Cardiac Autonomic Control System Response to Vestibular Stimulation in Subjects With and Without BPPV
The vestibular system in the inner year is an important system in the body which is responsible for balance. In addition, there is evidence that the vestibular system plays a role in maintaining blood pressure while changing body…
- Conditions
- Benign Paroxysmal Positional Vertigo, Vertigo, Autonomic Nervous System
- Trial name
- NCT03867019
- Testing
- Heart rate variability parameters monitoring
- Where
- Israel
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Clalit Health Services
Obesity, Abdominal
The Impact Of An Intermittent Energy Restricted Diet On Insulin Sensitivity In Men and Women With Central Obesity
An intermittent energy restricted (IER) diet may modify cardio-metabolic disease risk factors compared to an energy-matched continuous energy restricted (CER) diet.
- Trial name
- Met-IER (NCT02679989)
- Testing
- Intermittent Energy Restriction, Continuous Energy Restriction
- Where
- United Kingdom
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- King's College London
Nerve; Disorder, Sympathetic, Healthy
Skin Sympathetic Nerve Activity and Sympathetic Tone
There are many sympathetic hyperactivity diseases in the investigators' clinical practice. However, the conventional method to measure the sympathetic nerve activity had many limitations such as clinical application, data…
- Trial name
- NCT03243448
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University Chung-Ho Memorial Hospital
Hypoglycemia
Hypoglycemia and Autonomic Nervous System Function
The goals of this proposal are to determine the effects of hypoglycemia on the autonomic nervous system.
- Trial name
- HypoANS (NCT01816893)
- Testing
- Hypoglycemic hyperinsulinemic clamp, Euglycemic hyperinsulinemic clamp
- Where
- 2 sites in United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Autonomic Nervous System Diseases
Sympathetic-parasympathetic Ratio of Our Gaze
ABSTRACT BACKGROUND The existence of the retinohypothalamic pathway suggests that light may influence autonomic outflow activity.
- Trial name
- NCT03322904
- Testing
- iris photography
- Where
- Turkey (Türkiye)
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Kecioren Education and Training Hospital
Cardiovascular Diseases
Open-Label Study of 18F-mFBG for Imaging Myocardial Sympathetic Innervation
This is a Phase 1/2 study evaluating the positron-emitting radiopharmaceutical 18F-mFBG as an imaging agent for quantification of myocardial sympathetic innervation.
- Trial name
- NCT04535193
- Testing
- 18F-mFBG for intravenous administration
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Innervate Radiopharmaceuticals LLC (Formerly: Illumina Radiopharmaceuticals LLC)
Insulin Resistance, Autonomic Dysfunction
Role of Endothelin-1 Modulating Insulin-stimulated Blood Flow and Sympathetic Nervous System Activity in Obesity
The aim of this project is to determine role for ET-1 in individuals with obesity.
- Conditions
- Insulin Resistance, Autonomic Dysfunction, Obesity
- Trial name
- NCT05518422
- Testing
- Hyperinsulinemic, euglycemic infusion
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Temporal Lobe Epilepsy
Autonomic Dysfunction in Temporal Lobe Epilepsy and SUDEP
The study aimed at detection of autonomic dysfunction among cases with temporal lobe epilepsy; using different electrophysiological techniques.
- Trial name
- NCT06269822
- Testing
- Sympathetic skin response, heart rate variability test, quantitative EEG
- Where
- Egypt
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Cairo University