Clinical trials: SNS
Major Depressive Disorder
Stress and the Sympathetic Nervous System in Adults With Depression
To test our hypotheses, we will enroll healthy adults having no history of mood disorders and adults with major depressive disorder (MDD) having a broad range of depressive symptom severity.
- Trial name
- NCT04838262
- Testing
- Acute Stressors
- Where
- United States
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- University of Delaware
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
Hypertension
Sympathetic Nervous System Modulation in Hypertension
This is a study of patients with high blood pressure who are already treated with an angiotensin converting enzyme inhibitor or receptor blocker and have achieved good or fair blood pressure control.
- Trial name
- NCT00491387
- Testing
- Metoprolol Succinate
- Volunteers
- 24 people
- Sponsor
- University of Cincinnati
Orthostatic Hypertension
Intravenous Norepinephrine for Orthostatic Hypotension
Background: Orthostatic hypotension is a fall in blood pressure when standing up. Normally, a reflex action of the automatic nervous system makes blood vessels tighten when people stand up.
- Trial name
- NCT01285908
- Testing
- Intravenous Norepinephrine Infusion
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
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
Dysautonomia, Familial, Baroreflex Failure Syndrome
Carbidopa for the Treatment of Excessive Blood Pressure Variability
The overall study objectives are to determine whether carbidopa (Lodosyn®) is safe and well tolerated and to assess whether it can inhibit catecholamine-induced paroxysmal hypertension and normalize or reduce the exaggerated…
- Trial name
- CarbiFD (NCT02553265)
- Testing
- Carbidopa Low-Dose, Carbidopa High-Dose
- Where
- 2 sites in United States
- Volunteers
- 22 people
- Sponsor
- NYU Langone Health
Arterial Hypertension, Hemodialysis
Mechanisms and Phenotypes of Hypertension in Patients in Chronic Hemodialysis
The goal of this study is to evaluate interdialytic blood pressure changes of the patients in chronic hemodialysis. The main question to be answered is: What is the relative importance of weight gain, the renin angiotensin…
- Trial name
- NCT06764277
- Testing
- There will be no intervention
- Where
- Mexico
- Volunteers
- 32 people
- Sponsor
- Bernardo Rodríguez Iturbe
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
Stress, Psychological, Inflammation
Does Propranolol Attenuate Inflammatory Responses to a Psychological Stressor?
This randomized, double-blind, placebo-controlled study of propranolol will shed important light on how sympathetic nervous system (SNS) activation influences psychological and inflammatory responses to acute stress.
- Conditions
- Stress, Psychological, Inflammation, Cortisol, Sympathetic Nervous System
- Trial name
- NCT02972554
- Testing
- Propanolol hydrochloride
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Uncontrolled Hypertension
Renal Denervation in Patients With Uncontrolled Hypertension (Symplicity HTN-2)
An international, multi-center, prospective, randomized, controlled study of the safety and effectiveness of renal denervation in patients with uncontrolled hypertension.
- Trial name
- HTN-2 (NCT00888433)
- Testing
- Renal Denervation (Symplicity® Renal Denervation System)
- Where
- 20 sites in Australia, Austria and 8 more
- Volunteers
- 106 people
- Sponsor
- Medtronic Vascular
Hypertension
Effects of Thiazide Diuretics on Sympathetic Nervous System in Hypertension
Thiazide medications are often prescribed for individuals with high blood pressure, but research has shown that they may increase an individual's risk of developing diabetes.
- Trial name
- NCT00353652
- Testing
- Study#1: chlorthalidone (CTD), titrated dose, Study #1: spironolactone (SP), titrated dose, Study# 2 chlorthalidone (CTD), fixed dose
- Where
- 2 sites in United States
- Volunteers
- 166 people
- Sponsor
- University of Texas Southwestern Medical Center
Upper Limb Nerve Block
The Study of Regional Hemodynamic Changes After Specific Brachial Plexus Block by Ultrasound Guidance
Phase 1 Sympathetic block leads to vasodilatation and increases in blood flow. However, regional hemodynamic changes of radial and ulnar artery after specific nerve block of brachial plexus remains unclear.
- Trial name
- NCT02139982
- Testing
- specific nerve block, ropivacaine
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Wenzhou Medical University
Complex Regional Pain Syndrome Type I, Complex Regional Pain Syndrome Type II
Neurotropin to Treat Chronic Neuropathic Pain
This study will examine the effectiveness of the drug neurotropin in treating chronic pain after injury to a limb or a large nerve.
- Trial name
- NCT00006289
- Testing
- Neurotropin
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- National Institute of Nursing Research (NINR)
Urinary Urgency Incontinence
Neuspera's Implantable Sacral Nerve Stimulation System in Patients With Symptoms of Urinary Urgency Incontinence (UUI)
Prospective, multi-center, single-arm, seamless phase-pivotal study conducted in participants diagnosed with UUI who have failed or could not tolerate more conservative treatment. The trial will be conducted in two phases.
- Trial name
- NCT04232696
- Testing
- Neuspera Implantable Sacral Nerve Stimulation System
- Where
- 34 sites in United States, Belgium and 1 more
- Volunteers
- 331 people
- Sponsor
- Neuspera Medical, Inc.
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
Heart Failure, Congestive
Statin Therapy in Heart Failure: Potential Mechanisms of Benefit
The goal of the investigators' study is to further understand the potentially beneficial effects of statin therapy in patients with heart failure.
- Trial name
- NCT00233480
- Testing
- atorvastatin
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- University of California, Los Angeles
Obesity, Prehypertension
Vascular Dysfunction in Human Obesity Hypertension
The purpose of the study is to test the effects of blocking sympathetic nerve activity with a drug called clonidine on blood vessel function and muscle nerve activity in adults who are obese and have high blood pressure.
- Conditions
- Obesity, Prehypertension, Hypertension
- Trial name
- VANISH (NCT01983462)
- Testing
- Clonidine, Hydrochlorothiazide
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Gary L. Pierce
Obstructed Defecation Syndrome, Rectocele
Stapled TransAnal Rectal Resection (STARR) With Contour® TranstarTM
The stapled transanal rectal resection (STARR procedure) is an effective treatment for obstructed defecation syndrome (ODS) caused by intussusception and rectocele.
- Conditions
- Obstructed Defecation Syndrome, Rectocele, Intussusception, SNS
- Trial name
- STARR (NCT00673400)
- Testing
- Stapled transanal rectum resection
- Where
- Switzerland
- Volunteers
- 52 people
- Sponsor
- Cantonal Hospital of St. Gallen
Hypertension
Renal Denervation for Management of Drug-Resistant Hypertension
INSPiRED is a multicenter parallel-group trial comparing usual medical treatment (control group) or usual medical treatment plus renal denervation (intervention).
- Trial name
- INSPiRED (NCT01505010)
- Testing
- Renal denervation
- Where
- 2 sites in Belgium
- Volunteers
- 17 people
- Sponsor
- KU Leuven