Clinical trials: Sympathetic Disorder
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
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
Hypertension, Renal
RENABLATE-II Feasibility Study of Catheter Based Renal Denervation to Treat Resistant Hypertension - 157
This is a prospective, multi-center, non-randomized, feasibility study to assess the safety and effectiveness of renal artery sympathetic denervation using the investigational devices in subjects with resistant hypertension.
- Trial name
- RENABLATE-II (NCT02095691)
- Testing
- Celsius® ThermoCool® Renal Denervation
- Volunteers
- 19 people
- Sponsor
- Biosense Webster, Inc.
Non-infectious Uveitis
Safety and Efficacy of AIN457 in Noninfectious Uveitis
This study was performed to evaluate the efficacy and safety of AIN457 for patients with active uveitis that requires systemic immunosuppression.
- Trial name
- NCT00685399
- Testing
- AIN457, AIN 457
- Where
- 23 sites in United States, Germany
- Volunteers
- 76 people
- Sponsor
- Novartis Pharmaceuticals
Heart Failure (HF)
Phase 4 Study to Demonstrate Prognostic Usefulness of AdreView™ Scintigraphy for Identifying Subjects With Heart Failure Who Will Experience Death During 60 Months Follow-up.
This aim of the study is to investigate the prognostic usefulness of AdreView™ imaging to identify those subjects with New York Heart Association (NYHA) Class II or III HF who will die during 60 months of follow-up from the date…
- Trial name
- NCT02127307
- Where
- United States
- Volunteers
- 964 people
- Sponsor
- GE Healthcare
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)
Neuropathic Pain, Reflex Sympathetic Dystrophy
Effects of Vaporized Marijuana on Neuropathic Pain
This study theorized that a low dose of vaporized cannabis could alleviate nerve injury pain.
- Conditions
- Neuropathic Pain, Reflex Sympathetic Dystrophy, Peripheral Neuropathy, Post-herpetic Neuralgia
- Trial name
- NCT01037088
- Testing
- Mild dose cannabis, Low dose cannabis, Cannabis
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- University of California, Davis
Chronic Kidney Diseases
Pioglitazone to Reduce Sympathetic Overactivity in CKD Patients
Chronic kidney disease (CKD) is associated with a higher risk of cardiovascular disease and death. An overactive sympathetic nervous system in CKD patients is one of the major mechanisms increasing the cardiovascular risks in…
- Trial name
- NCT03471117
- Testing
- Pioglitazone
- Where
- 2 sites in United States
- Volunteers
- 5 people
- Sponsor
- The University of Texas at Arlington
Refractory Hypertension
Mechanisms of Refractory Hypertension (Reserpine)
The study is deigned to determine if refractory hypertension is attributable to heightened sympathetic tone by quantifying the antihypertensive benefit of reserpine, a sympatholytic agent, in patients failing other classes of…
- Trial name
- NCT03223272
- Testing
- Reserpine
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- University of Alabama at Birmingham
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
Binge Drinking
Alcohol and Neural Cardiovascular Control in Binge Drinkers
This study evaluates the impact of evening alcohol consumption on sympathetic activity and baroreflex function in binge drinkers.
- Trial name
- NCT03567434
- Where
- United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Baylor University
Hypoglycemia
Hypoglycemia and Autonomic Nervous System Function
The goals of this proposal are to determine the effects of hypoglycemia on the autonomic nervous system.
- Trial name
- HypoANS (NCT01816893)
- Testing
- Hypoglycemic hyperinsulinemic clamp, Euglycemic hyperinsulinemic clamp
- Where
- 2 sites in United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Complex Regional Pain Syndrome (CRPS)
Efficacy and Safety of Intravenous Neridronic Acid in CRPS
The aim of this trial was to investigate the efficacy and safety of intravenous neridronic acid in subjects with Complex Regional Pain Syndrome (CRPS).
- Trial name
- NCT03530345
- Testing
- Neridronic acid 100 mg
- Where
- 71 sites in United States, Australia and 5 more
- Volunteers
- 182 people
- Sponsor
- Grünenthal GmbH
Uncontrolled Hypertension, Atrial Fibrillation
Adjunctive Renal Denervation in the Treatment of Atrial Fibrillation
The objective of the H-FIB trial is to determine the role of renal sympathetic denervation in the prevention of Atrial Fibrillation (AF) recurrence in patients with hypertension for whom a catheter-based AF ablation procedure is…
- Trial name
- H-FIB (NCT01635998)
- Testing
- Boston Scientific Vessix Renal Denervation System
- Where
- 8 sites in United States, Czechia and 1 more
- Volunteers
- 50 people
- Sponsor
- Vivek Reddy
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
Complex Regional Pain Syndrome
Safety of Intravenous Neridronic Acid in CRPS
The aim of this trial was to investigate the safety of intravenous neridronic acid in patients with complex regional pain syndrome (CRPS).
- Trial name
- NCT02972359
- Testing
- Neridronic acid
- Where
- 46 sites in United States, Germany
- Volunteers
- 580 people
- Sponsor
- Grünenthal GmbH
Obesity, Healthy
Sympathetic Activation in Obesity
The primary objective of this study is to determine whether sympathetic nervous system (SNS) activity in white adipose tissue (WAT) and brown adipose tissue (BAT), skeletal muscle and brain is altered in individuals with obesity…
- Trial name
- NCT04946552
- Testing
- PET Scan, Mixed Meal Test, Muscle sympathetic nerve activity (MSNA)
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Yale University
Reflex Sympathetic Dystrophy
Investigation of the Efficacy of tDCS in the Treatment of Complex Regional Pain Syndrome (CRPS) Type 1
The efficacy of the current standard non-pharmacological treatments for complex regional pain syndrome (CRPS), a painful syndrome mostly occurring after musculoskeletal trauma, is suboptimal.
- Trial name
- NCT01960400
- Testing
- Graded motor imagery (GMI)
- Where
- Canada
- Volunteers
- 22 people
- Sponsor
- Université de Sherbrooke
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
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