Clinical trials: Sympathetic Nervous System Diseases
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
Healthy, Obesity
Effect of Ghrelin on Sympathetic Nervous System
Ghrelin is a newly discovered peptide that is secreted by the stomach. Its main role is to stimulate food intake but recent studies indicate that it also acts on the cardiovascular system to confer beneficial effects.
- Trial name
- NCT00912587
- Testing
- ghrelin
- Where
- Australia
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Baker Heart and Diabetes Institute
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
Autonomic Nervous System Disease
Resonance Breathing and Postural Resonance: Acute Modulation of Autonomic and Hemodynamic Responses Via Arterial Baroreflex Mechanisms
This randomized crossover study compared the acute autonomic and hemodynamic responses to three experimental conditions: control, resonance breathing (RB), and postural resonance (PR), in healthy young adults.
- Trial name
- Autonomic (NCT07536997)
- Testing
- Resonance Breathing, Postural Resonance
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Beijing Sport University
Healthy, Autonomic Nervous System Diseases
Prevalence of Chapman Reflex Points in Medical Students and Their Association With Visceral Symptoms
Chapman Reflex Points (CRPs) are small palpable nodules found within connective tissue that have traditionally been associated with dysfunction of internal organs and the autonomic nervous system.
- Conditions
- Healthy, Autonomic Nervous System Diseases, Lymphatic Diseases, Somatic Dysfunction
- Trial name
- NCT07691112
- Testing
- Chapman Reflex Point Examination
- Where
- United States
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- The Touro College and University System
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
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
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
Insulin Resistance, Healthy
Role of Sympathetic Vasoconstriction on Insulin-Mediated Microvascular Recruitment and Glucose Uptake in Obesity
The purpose of this study is to better understand the contribution of sympathetic vasoconstriction to impaired insulin-mediated vasodilation and subsequently insulin-mediated glucose uptake.
- Conditions
- Insulin Resistance, Healthy, Obesity
- Trial name
- NCT03318094
- Testing
- Phentolamine, Saline, Sodium Nitroprusside
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
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
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
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
Hypertension
Melatonin and Nighttime Blood Pressure in African Americans-8 mg Study
This purpose of this study is to test the effect of oral melatonin supplementation (8 mg per night for 4 weeks) on nighttime blood pressure in African Americans with a history of elevated nighttime blood pressure.
- Trial name
- NCT01114360
- Testing
- Melatonin
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Emory 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
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
Cerebrovascular Accident, Spinal Cord Injury
Measurement of Pulse Wave Velocity in Spinal Cord Injury and Stroke Patients
According to the theory of wave transmission, the speed of wave transmission is dependent on the nature of the transmission medium, which is the vessel wall for pulse wave transmission.
- Trial name
- NCT00172289
- Where
- Taiwan
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Erythema
Effect of Thoracic Spine Mobilization on Sympathetic Nervous Systems
This pilot study aims to i) represents the feasibility of the study design and ii) to point out acute effects of thoracic spine mobilization on skin-blood flow, erythema and the sympathetic nervous system.
- Trial name
- NCT02832141
- Testing
- Mobilization anterior, Mobilization posterior
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Bern University of Applied Sciences
Autistic Disorder, Autism Spectrum Disorder
Autonomic Modulation and Facial Expression in Autism Spectrum Disorder
Background: the autism spectrum disorders (ASD) can be related with abnormalities in cortical structures and cause behavior imbalances. In addition, as soon as the diagnosis is done, the better will be the prognosis.
- Trial name
- NCT02997566
- Testing
- Autonomic evaluation
- Where
- Brazil
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Universidade Estadual Paulista Júlio de Mesquita Filho
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
POTS - Postural Orthostatic Tachycardia Syndrome
RESET-POTS: Multimodal Phenotyping and Stellate Ganglion Block in Postural Orthostatic Tachycardia Syndrome
RESET-POTS is a pilot study for adults with postural orthostatic tachycardia syndrome (POTS), a condition that can cause a rapid increase in heart rate, dizziness, weakness, fatigue and other symptoms when standing.
- Trial name
- RESET-POTS (NCT07837804)
- Testing
- Bilateral Sequential Stellate Ganglion Block
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana