Clinical trials: Sympathetic Disorder
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
Hypertension
A Randomized Controlled Study to Assess the Effects of Bisoprolol and Atenolol on Resting Heart Rate and Sympathetic Nervous System's Activity in Subjects With Essential Hypertension
This is a Phase 4, prospective, multi-centric and randomized controlled study to compare the effects of bisoprolol and atenolol on resting heart rate (RHR) and sympathetic nervous system's (SNS) activity in subjects with…
- Trial name
- NCT01251146
- Testing
- Bisoprolol, Atenolol
- Where
- 2 sites in China
- Volunteers
- 177 people
- Sponsor
- Merck KGaA, Darmstadt, Germany
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
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
Shoulder Hand Syndrome, Complex Regional Pain Syndromes
Tolerability of Suprascapular and Median Nerve Blocks for the Treatment of Shoulder-hand Syndrome
Shoulder-hand syndrome (SHS) in stroke patients is painful and lowers quality of life. Unfortunately, the cause of SHS is not known, diagnosing SHS can be difficult, and treating it can be hard.
- Trial name
- NCT03291197
- Testing
- Suprascapular and median nerve blocks
- Where
- Canada
- Volunteers
- 5 people
- Sponsor
- Ottawa Hospital Research Institute
Neuralgia, Postherpetic Neuralgia
Effects of Pennsaid on Clinical Neuropathic Pain
The purpose of this study is to see if the drug Pennsaid (Diclofenac) can help reduce pain felt by people with chronic nerve pain. The drug will be used 2-4 times each day for 2 weeks. The U.S.
- Conditions
- Neuralgia, Postherpetic Neuralgia, Reflex Sympathetic Dystrophy, Complex Regional Pain Syndrome (CRPS)
- Trial name
- NCT01508676
- Testing
- Pennsaid
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Massachusetts General Hospital
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)
Heart Failure
Targeting Sympathetic Overactivity in Heart Failure Patients With Statins
Heart failure (HF) is a leading cause of morbidity and mortality in the United States with the incidence and prevalence of the disease on a continual rise.
- Trial name
- NCT01097785
- Testing
- Simvastatin
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Hypertension
Comparison of Nebivolol and Metoprolol With Exercise and Angiotensin II in Hypertensive Patients
The purpose of this study is to determine if Nebivolol a) attenuates the angiotensin II (Ang II)-induced increase in oxidative stress, thereby attenuating Ang II-induced vasoconstriction; and b) attenuates sympathetic mediated…
- Trial name
- NCT01502787
- Testing
- Metoprolol succinate, Nebivolol, Forearm blood flow
- Where
- United States
- Volunteers
- 46 people
- Sponsor
- University of Texas Southwestern Medical Center
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
Nerve; Disorder, Sympathetic
Changes in Skin Conductance Measurement as an Endpoint Monitor for Sympathetic Blocks
This study is intended to evaluate a monitor that will facilitate ascertainment of an effective sympathetic blockade following Lumbar Sympathetic blocks.
- Trial name
- NCT02390323
- Testing
- Lumbar Sympathetic Block, Skin conductance algesimeter
- Volunteers
- 13 people
- Sponsor
- Hospital for Special Surgery, New York
Heart Failure, Congestive
Meta-Iodobenzylguanidine Scintigraphy Imaging in Patients With Heart Failure and Control Subjects Without Cardiovascular Disease
The study is designed to study the utility of 123I-mIBG as a diagnostic imaging agent to predict cardiac outcomes in subjects with heart failure and in comparison to subjects without cardiovascular disease.
- Trial name
- NCT00126425
- Testing
- 123I-mIBG (meta-iodobenzylguanidine)
- Where
- United States
- Volunteers
- 587 people, healthy volunteers welcome
- Sponsor
- GE Healthcare
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
Ventricular Tachycardia
REnal Sympathetic dEnervaTion as an a Adjunct to Catheter-based VT Ablation
Despite significant advances in the management of ventricular arrhythmias through the use of ICD therapy, AADs, and catheter-based ablation strategies, considerable challenges remain.
- Trial name
- RESET-VT (NCT01858194)
- Testing
- Renal sympathetic denervation, VT ablation alone
- Where
- 2 sites in United States, Czechia
- Volunteers
- 21 people
- Sponsor
- Vivek Reddy
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
Spinal Cord Injury
Blood Pressure, Cerebral Blood Flow and Cognition in Spinal Cord Injury
Following spinal cord injury autonomic regulation of the cardiovascular system is impaired, which results in a variety of measurable abnormalities in blood pressure.
- Trial name
- NCT02307565
- Testing
- Midodrine
- Where
- 2 sites in United States
- Volunteers
- 19 people
- Sponsor
- James J. Peters Veterans Affairs Medical Center
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
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, Resistant to Conventional Therapy
Rapid Renal Sympathetic Denervation for Resistant Hypertension
The Covidien OneShot™ ablation system use is to deliver low-level radio frequency (RF) energy through the wall of the renal artery to denervate the human kidney.
- Trial name
- RAPID (NCT01520506)
- Testing
- Covidien OneShot™ System
- Where
- 14 sites in Belgium, Germany and 4 more
- Volunteers
- 50 people
- Sponsor
- Medtronic Endovascular
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