Clinical trials: Sympathetic Nervous System
Willis-Ekbom Disease, Restless Legs Syndrome
Analysis of Sympathetic Activity in Willis-Ekbom Disease
Willis-Ekbom disease (WED), also known as restless legs syndrome (RLS) is a common neurological sensorimotor disorder that typically impairs sleep and quality of life, likely consequent to a central dopaminergic dysfunction…
- Trial name
- MIBG-RLS (NCT02929732)
- Testing
- Sympathetic nervous activity measurement
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Healthy
Brain Receptors in Sympathetic Nervous System Regulation
The purpose of this study is to investigate the role of brain receptors called alpha2-adrenoreceptors in regulating the sympathetic nervous system, which maintains the supply of blood and fuel to the body's organs in times of…
- Trial name
- NCT00029627
- Testing
- Yohimbine
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
CRPS Type I of the Upper Extremity, Neuropathy of the Median Nerve
Two Measures of Tactile Acuity in CRPS Type I Patients
This study aims to investigate whether two different measures of tactile acuity lead to comparable results in patients diagnosed with CRPS Type I of the upper extremity.
- Conditions
- CRPS Type I of the Upper Extremity, Neuropathy of the Median Nerve, Healthy Controls
- Trial name
- NCT01888783
- Testing
- Tactile acuity measured by 2PD and the GOT
- Where
- Germany
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Ruhr University of Bochum
Fibromyalgia
The Effect of Sympathetic Dysfunction on Muscle Spindle in Fibromyalgia
This study aims to reveal whether there is an impairment in the sympathetic regulation of muscle spindle sensitivity in patients with fibromyalgia syndrome (FMS).
- Trial name
- NCT05704374
- Testing
- sympathetic stimulation maneuver (mental arithmetic test, cold pressure test), Pregabalin 150mg
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Istanbul Physical Medicine Rehabilitation Training and Research Hospital
Prediabetes, Obese
Inflammation Inhibition in Prediabetic Humans
Prediabetes, characterized by elevated fasting blood sugar or exaggerated blood sugar response to sugar ingestion, effects over 79 million adult Americans and is a precursor to the development of Type 2 diabetes.
- Trial name
- INCITE (NCT01977417)
- Testing
- Salsalate
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Gary L. Pierce
Air Pollution
Particulate Matter, Blood Pressure, and the Sympathetic Nervous System
Healthy volunteers will be exposed to ambient air near a roadway under the conditions of with and without a facemask and their responses will be evaluated.
- Trial name
- PM-SNS (NCT03079843)
- Testing
- exposure to particulate matter with N 95 facemask, exposure to particulate matter with no face mask
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Gestational Diabetes
Autonomic Nervous Activity in Women With Gestational Diabetes
Through complex hormonal pathways, insulin resistance can lead to the activation of the sympathetic nervous system, and vice versa. Schobel et al.
- Trial name
- NCT00867022
- Where
- Finland
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Helsinki
Light
Cardiometabolic Outcomes With Light Exposure During Sleep
This study tested the hypothesis that acute exposure to light during nighttime sleep adversely affects cardiometabolic function.
- Trial name
- NCT05317559
- Testing
- room light
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Spinal Cord Injury
A Longitudinal Examination of Aging With a Spinal Cord Injury: Cardiovascular, Cerebrovascular and Cognitive Consequences
The general population is aging, today 12% of the United States population is older than 65 and it is estimated that by 2020 the number of people in the United States older than 65 will outnumber children younger than 5.
- Trial name
- NCT03023163
- Testing
- Longitudinal
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
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
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
Spinal Cord Injury
Cardiovascular, Cerebrovascular, and Cognitive Function in Spinal Cord Injury
Increased life expectancy in individuals with spinal cord injury (SCI) present clinicians with the challenge of managing the secondary complications of SCI with the chronic diseases common in an aging population.
- Trial name
- NCT02122991
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Rosacea
Role of the Sympathetic Nervous System in Rosacea
Rosacea is a common skin disorder which causes facial redness and inflammation in about 16 million Americans, from an unknown cause.
- Trial name
- NCT03989492
- Testing
- systemic and local stressors
- Where
- 2 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kristen Metzler-Wilson
Blood Pressure, Nervous System Diseases, Sympathetic
"Effects of Manual Lymphatic Drainage in the Neck in Healthy Subjects. Experimental Randomized Crossover Study"
Drainage manoeuvres described in different Manual Lymphatic Drainage methods, suggest modificactions in vital signs, by changes at nervous system, that would involve modifications to heart rate, breathing rate, blood pressure…
- Conditions
- Blood Pressure, Nervous System Diseases, Sympathetic, Heart Rate Low, Lymphatic Diseases
- Trial name
- NCT03709407
- Testing
- cervical stimuli, terminus, Control group
- Where
- Spain
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidad Europea de Madrid
Healthy, Obesity
Fat Tissue Microperfusion to Measure Leptin Secretion and Its Relations With Fat Breakdown in Humans
Leptin is a hormone that acts in the body as a chemical messenger. It is produced in fat cells and is believed to regulate body weight in humans. Leptin decreases appetite and influences the energy balance of the body.
- Trial name
- NCT00001722
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
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
Sympathetic Nervous System
Sympathetic Nerve Activity and Strength Gains in Resistance Versus Concurrent Training
This study examines how the body's stress (sympathetic) nervous system responds to 8 weeks of either strength training alone or strength training combined with endurance (treadmill running) training in previously untrained young…
- Trial name
- SKNA-CT (NCT07680387)
- Testing
- Strength-only training, Concurrent training
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Beijing Sport University
Hypertension
Role of Sympathetic Activity and Splanchnic Capacitance in Hypertension
The purpose of this study is to better understand the role of the abdominal veins (splanchnic capacitance) and the sympathetic nervous system in human hypertension.
- Trial name
- NCT02425566
- Testing
- Trimethaphan, Nitroglycerin
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Autonomic Nervous System, Heart Rate Variability
Non-invasive Modulation of Autonomic Cardiac Nervous System
To demonstrate the effect of non invasive vagus nerve (VNS) stimulation on heart rate variability and MSNA signal.
- Conditions
- Autonomic Nervous System, Heart Rate Variability, Muscle Sympathetic Nerve Activity
- Trial name
- MSNA (NCT04057508)
- Testing
- Modulation of muscle sympathetic nerve activity
- Where
- Belgium
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Université Catholique de Louvain
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