Clinical trials: Sympathetic Disorder
Nicotine Dependence
E-Cigarettes and SNA
Randomized controlled trial of electronic cigarettes with nicotine, without nicotine, and sham control, on sympathetic nerve activity and markers of oxidative stress.
- Trial name
- NCT02724241
- Testing
- one time exposure to e-cig with nicotine, One time exposure to e-cigarette without nicotine, one time exposure to empty e-cigarette
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Complex Regional Pain Syndrome Type I of the Upper Limb, Unilateral Limb Pain of Other Origin
Correlation Between 3 Phase Bone Scintigraphy and Pressure Pain Thresholds in Patients With Complex Regional Pain Syndrome (CRPS)
The aim of the study is to investigate the correlation between increased bone metabolism in the 3 phase bone scintigraphy (TPBS) and decreased pressure pain thresholds in patients with complex regional pain syndrome (CRPS) of the…
- Conditions
- Complex Regional Pain Syndrome Type I of the Upper Limb, Unilateral Limb Pain of Other Origin, Healthy Subjects
- Trial name
- NCT01623141
- Testing
- Pressure Pain measurement
- Where
- Germany
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Ruhr University of Bochum
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
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
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
Autonomic Peripheral Nervous System Diseases
Clinical Translation of 18F-Labeled Hydroxyphenethylguanidines
The purpose of this study is to perform first-in-human PET imaging studies of two new cardiac sympathetic nerve imaging agents, 4-[18F]fluoro-meta-hydroxyphenethylguanidine ([18F]4F-MHPG) and…
- Trial name
- NCT02385877
- Testing
- [18F]4F-MHPG, [18F]3F-PHPG
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Michigan
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
COPD, Sympathetic Nervous System Diseases
Sympathetic Nerve Activity Predictors in Patients With Chronic Obstructive Pulmonary Disease
The project will be pursued in our respiratory, autonomic nervous system physiology laboratory (Respiratory, autonomic nervous system physiology laboratory, Department of Pneumology and Intensive Care Medicine, RWTH Aachen…
- Conditions
- COPD, Sympathetic Nervous System Diseases, Catecholamine; Overproduction
- Trial name
- SNAP-COPD (NCT04849806)
- Testing
- Assessments of the sympathetic nerve activity axis, OSA severity, Determination of PH and right HF severity
- Where
- Germany
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- RWTH Aachen University
Obesity, Metabolic Syndrome X
The Potential Role for Adenosine in the Haemodynamic Effects of Free Fatty Acids
The metabolic syndrome is associated with hyperdynamic circulation and sympathetic activation. Recently, Bakker et al. (Atherosclerosis 2002) described the hypothesis that free fatty acids are responsible for this association.
- Trial name
- NCT00184899
- Testing
- Intravenous infusion of Intralipid/heparin, Intravenous infusion of Glycerol/heparin
- Where
- Netherlands
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
High-risk Pregnancy
Leg Heating in Pregnant Women With Obesity
Obesity is a major risk factor for hypertensive disorders of pregnancy (HDP). The underlying mechanisms are largely unclear, but maternal vascular endothelial dysfunction is likely involved.
- Trial name
- NCT06932250
- Testing
- Leg heating
- Where
- United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Stress, Sympathetic Nervous System
Glucose Levels as a Biomarker for Stress in Firefighters
Stress is known to cause physical structures in the brain to dysregulate, resulting in health problems like cancer, cardiac disease, metabolic disorders (obesity), and depression.
- Conditions
- Stress, Sympathetic Nervous System, Hypothalamic Pituitary Adrenal
- Trial name
- NCT06899373
- Testing
- Continuous glucometer
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Utah
Obstructive Sleep Apnea
Effects of Exercise Training on Cognitive Performance and Sympathetic Activity in Obstructive Sleep Apnea
Abstract Obstructive sleep apnea syndrome (OSA) is characterized by complete or partial collapse of a narrowed pharynx and it's associated with reduction in cerebral blood flow, cardiovascular disease, and neuropsychological…
- Trial name
- NCT02289625
- Testing
- Exercise Training
- Where
- Brazil
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital
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
Cardiomyopathy
Characterization of Sympathetic Nerve Activity in Stress Cardiomyopathy
Stress (Takotsubo) cardiomyopathy (SC) is a peculiar form of acute, reversible myocardial dysfunction predominantly affecting the apical and mid left ventricular segments.
- Trial name
- NCT01048125
- Testing
- Sympathetic Nerve Activity, Mental Stress Test (Color Word Test), The Modified Oxford Technique for Baroreflex Sensitivity
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Syncope
Evaluation of Chronic Orthostatic Intolerance
This study will conduct tests with patients with primary chronic orthostatic intolerance (COI) to learn more about this disorder of the autonomic nervous system.
- Trial name
- NCT00069693
- Where
- 3 sites in United States, Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Overactive Bladder
Evaluation of the Link Between Bladder Sensation and Changes in Skin Electrical Conductance and Heart Rate.
Measuring sympathetic skin response or heart rate variability can provide an objective biomarker of bladder sensation and its modulation by drug with potential to treat overactive bladder.
- Trial name
- NCT00481728
- Testing
- Tolterodine, Filling cystometry, Intravesical neurostimulation
- Where
- Switzerland
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Vasodilation, Hypoxia
Sex-related Differences in Sympathetic Vascular Transduction in the Setting of Hypoxemia
The purpose of this project is to identify sex-related differences in the effect of hypoxia on sympathetic vascular transduction.
- Trial name
- NCT05256069
- Testing
- Propranolol Pill
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Hypercapnia
End Tidal CO2 and Masks: Is There a Correlation?
In light of the ongoing COVID-19 pandemic, wearing a mask has become a universal standard as an attempt to reduce the spread of COVID-19. As of 2020, more than half of all U.S.
- Trial name
- NCT06437301
- Testing
- Baseline measure of ETCO2 without mask, Baseline ETCO2 with mask, ETCO2 after 200 meter walk with mask
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- CHRISTUS Health
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
Spinal Cord Injuries (SCI), Spinal Cord Injury
Transcutaneous Spinal Electrical Stimulation to Improve Exercise Function After Spinal Cord Injury.
Our overall objective is to decrease the prevalence of multiple sedentary-related diseases that are secondary consequences of spinal cord injury (SCI).
- Conditions
- Spinal Cord Injuries (SCI), Spinal Cord Injury, Spinal Injury
- Trial name
- NCT07692191
- Testing
- Transcutaneous spinal electrical stimulation (TSES)
- Where
- Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Manitoba