Clinical trials: Sympathetic Nervous System
Kinesiophobia (Fear of Movement), Musculoskeletal Injuries
Binaural Beats Stimulation on the Autonomic Nervous System (ANS), Kinesiophobia and Fitness Levels in Professional Athletes With Musculoskeletal (MSK) Injuries
The purpose of the current study is to investigate the effectiveness of binaural beat stimulation on the autonomic nervous system (ANS), taking into account kinesiophobia related to reinjury and fitness levels in professional…
- Trial name
- ANS MSK HRV (NCT07370636)
- Testing
- Auditory stimulation with binaural beats and guidance, Auditory stimulation without binaural beats, Auditory stimulation with background music
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University of West Attica
Cardiovascular Morbidity
Experimental Exposure to Air Pollutants and Sympathetic Nerve Activity in Human Subjects
The primary hypothesis of the study is that in healthy elderly subjects experimental exposure to air pollutants increases sympathetic nervous system activity compared with sham (clean air) exposure.
- Trial name
- Particles (NCT01914783)
- Testing
- ultrafine particles, ultrafine particles and ozone, clean air
- Where
- Germany
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Hannover Medical School
Spinal Cord Injury, Insulin Resistance
IR and Microvascular Blood Flow in SCI
Persons with spinal cord injury (SCI) are at an increased risk for metabolic disorders, including that of insulin resistance. As a result of neurological injury, they often have impaired mechanisms that regulate blood vessel…
- Trial name
- NCT02034331
- Testing
- Insulin iontophoresis, Acetylcholine Iontophoresis, Heat application
- Where
- United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Hypertension
Melatonin and Nighttime Blood Pressure in African Americans--24 mg Study
The purpose of this study is to test the effect of oral melatonin supplementation (24 mg per night for 4 weeks) on nighttime blood pressure in African Americans with a history of elevated nighttime blood pressure.
- Trial name
- NCT01114373
- Testing
- Melatonin
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Emory University
Restless Legs Syndrome, Neuropathic Pain
Spinal Cord Stimulation for Restless Legs Syndrome
The overall goal of this proposed study is to evaluate the underlying mechanisms of neural control of blood flow in the lower extremities in humans with restless leg syndrome (RLS).
- Trial name
- NCT03539081
- Testing
- Dual-energy X-ray absorptiometry Scan, Laboratory Measurements, Blood Flow Measurement
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Marshall Holland
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)
Restless Legs Syndrome (RLS)
Effect of Rotigotine Patch Treatment on Cardiovascular Markers in Idiopathic Restless Legs Syndrome
Several studies report association between restless legs syndrome (RLS), HTA and cardiovascular diseases . The mechanisms involved in this relationship remained unknown, but several evidences favor the role of periodic limb…
- Trial name
- NCT01823770
- Testing
- Rotigotine
- Where
- France
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Hypertension,Essential
Brain BOLD fMRI in Hypertensive and Normotensive Participants
This study will explore the brainstem activity in response to stress in hypertensive patients and normotensive subjects. In addition, it will evaluate if the response in hypertensive patients can be modulated by blocking the…
- Trial name
- BRAIrdN (NCT03473275)
- Testing
- Cold Pressor test, PinPrick test
- Where
- Switzerland
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Vaudois
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
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
Polycystic Ovary Syndrome
Polycystic Ovary Syndrome - Improving Outcomes
Polycystic ovary syndrome affects a striking 9-18% of Australian reproductive aged women and has been associated with a number of metabolic abnormalities.
- Trial name
- NCT01504321
- Testing
- Moxonidine
- Where
- Australia
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Baker Heart and Diabetes Institute
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
Tachycardia, Postural Orthostatic Tachycardia Syndrome
Pathophysiology of Orthostatic Intolerance
The purpose of this study is to describe the mechanism of orthostatic intolerance, relying on cardiovascular physiological studies.
- Trial name
- NCT00608725
- Testing
- DAXOR, QSweat, Intrinsic Heart Rate
- Where
- United States
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Satish R. Raj
Hypoxia, Sleep Apnea
Intermittent Hypoxia 2: Cardiovascular and Metabolism
The purpose of this study is to compare cardiovascular physiological adaptation to intermittent hypoxia (IH) of nonobese healthy subjects. The exposure will be two periods of two weeks (IH versus exposure "placebo hypoxia").
- Conditions
- Hypoxia, Sleep Apnea, Obstructive Sleep Apnea
- Trial name
- IH2 (NCT02058823)
- Testing
- Valsartan, Amlodipine
- Where
- France
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Spinal Cord Injury
Measurement of Autonomic Cardiovascular Integrity in Persons With SCI
People with a spinal cord injury (SCI) have limited ability to move and feel sensation below the level of the SCI. Doctors and researchers have tests which determine the level of function and sensation, this test was developed by…
- Trial name
- NCT01758692
- Where
- United States
- Volunteers
- 177 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Spontaneous Coronary Artery Dissection, Healthy
A Study to Analyze the Role of Sympathetic Nervous System in Spontaneous Coronary Artery Dissection
The purpose of this research is to compare sympathetic function (flight or fight system) and arterial health including structure and mechanics of participants with history of spontaneous coronary artery dissection (SCAD) to age…
- Trial name
- NCT05699200
- Testing
- Arterial Tonometry, Echocardiogram, Carotid Ultrasounds
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Autonomic Nervous System Disease, Healthy
Blood Sampling for Neurochemical and Genetic Testing
This study involves sampling blood from both normal volunteers and patients with diseases known or suspected to involve body chemicals called catecholamines.
- Conditions
- Autonomic Nervous System Disease, Healthy, Hypertension, Pheochromocytoma
- Trial name
- NCT00001147
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Fibromyalgia
Electrophysiological Findings in Fibromyalgia Patients
Fibromyalgia Syndrome (FMS); It is a chronic condition characterized by widespread body pain, sleep disturbance, fatigue, impaired cognitive functions, and anxiety (1).
- Trial name
- NCT04845737
- Testing
- sympathetic skin response measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Abant Izzet Baysal University
Healthy, Vasodilation
Impact of Intranasal Insulin on Sympathetic Activity and Cerebral Vasodilation
The purpose of this project is to examine the impact of increases in brain insulin on sympathetic nervous system activity, as well as peripheral and cerebral blood flow in humans.
- Conditions
- Healthy, Vasodilation, Insulin Resistance, Autonomic Dysfunction
- Trial name
- NCT05153395
- Testing
- Carbon dioxide breathing, Neurovascular Coupling, Human insulin
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Reflex Sympathetic Dystrophy
Near-infrared Spectroscopic Measurement in Complex Regional Pain Syndrome
Recent clinical investigations have suggested that the cause of abnormal pain in complex regional pain syndrome could be ischemia and inflammation, due to poor blood flow to deep tissues from microvascular pathology.
- Trial name
- NCT01586377
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's