Clinical trials: SNS
Physical Activity, Sympathetic Nervous System
Neuropeptide Y and Sympathovagal Balance
Neuropeptide Y (NPY) activates the sympathetic and vagal nervous systems through the Y1 and Y2 receptors. This double-blind placebo-controlled crossover study investigated the sympathovagal balance during three exercises on a…
- Conditions
- Physical Activity, Sympathetic Nervous System, Secretion; Catecholamine
- Trial name
- NPY (NCT03933787)
- Testing
- Saxagliptin 5mg, ergometric test in healthy volunteers
- Where
- Switzerland
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Eric Grouzmann
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
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
Endothelial Function
Physiological Assessment of the Endothelium - Circadian Rhythm and Role of the Sympathetic Nervous System
The purpose of this study is to determine whether interventions aimed at increasing sympathetic tone modify endothelial function measures as assessed by the measurement of flow-mediated dilation (FMD) and constriction (FMC).
- Trial name
- PAN (NCT01713374)
- Testing
- Mental stress, no intervention, Myogenic activation
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Johannes Gutenberg University Mainz
Prehypertension, Hypertension
Hypertension and Osteopathic Treatment
The goal of this study is to demonstrate the use of osteopathic manipulative therapy (OMT) in the effective management of hypertension.
- Conditions
- Prehypertension, Hypertension, Osteopathic Manipulation, Sympathetic Nervous System
- Trial name
- HOT (NCT02605551)
- Testing
- Osteopathic Manipulative Therapy, Lifestyle Modification
- Volunteers
- healthy volunteers welcome
- Sponsor
- Larkin Community Hospital
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
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
OBESITY, HYPERTENSION
The Autonomic Nervous System and Obesity
In its simplest terms, obesity is the results of a positive balance between food intake and energy expenditure (EE). I.e., we take in more energy, in the form of food, than we expend, e.g., by exercise.
- Conditions
- OBESITY, HYPERTENSION, PURE AUTONOMIC FAILURE, SHY-DRAGER SYNDROME
- Trial name
- NCT00179023
- Testing
- Trimethaphan, Pseudoephedrine
- Where
- United States
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Women, Sympathetic Nervous System
Early Neurovascular Adaptations in Aging Women
Our goal is to enhance our understanding of early vascular adaptations in aging women with an emphasis on the sympathetic nervous system.
- Conditions
- Women, Sympathetic Nervous System, Aging, Blood Flow
- Trial name
- NCT06520982
- Testing
- Norepinephrine, Isoproterenol, Acetylcholine
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
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
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
Menopause
Pilot Study - Impact of Traditional Acupuncture on Menopause
This pilot project is a randomized research study to examine the effects of acupuncture on menopausal symptoms. The investigators will recruit up to 45 Cedars employees (excluding Dr Bairey Merz's employees) with menopausal…
- Trial name
- NCT00950482
- Testing
- TA, AA, WC
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Hepatitis B, Hepatitis
Vaccination Adjuved Against Hepatitis B in SNS Workers Typed as no Responders to Conventional Vaccines
Health workers with biological risk in their tasks, who have been vaccinated as non-responders to conventional vaccination against Hepatitis B.
- Conditions
- Hepatitis B, Hepatitis, Hepatitis, Viral, Human, Hepatitis B Immunization
- Trial name
- NCT03410953
- Testing
- Fendrix suspension for injection Hepatitis B (rDNA) vaccine (adjuvanted, adsorbed).
- Where
- 11 sites in Spain
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Fundación Instituto de Estudios de Ciencias de la Salud de Castilla y León
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
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,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
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