Clinical trials: Sympathetic Nervous System Diseases
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
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)
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)
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
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
Uveitis, Intermediate Uveitis
Safety Study of Suprachoroidal Triamcinolone Acetonide Via Microneedle to Treat Uveitis
This study is designed to determine the safety and tolerability of a single microinjection of triamcinolone acetonide (TRIESENCE®) into the suprachoroidal space (SCS) of patients who have non-infectious uveitis.
- Conditions
- Uveitis, Intermediate Uveitis, Posterior Uveitis, Panuveitis
- Trial name
- NCT01789320
- Testing
- triamcinolone acetonide (Triesence®)
- Where
- 3 sites in United States
- Volunteers
- 11 people
- Sponsor
- Clearside Biomedical, Inc.
Orthostatic Hypotension, Spinal Cord Injury
A Dose Response Trial Using 5 and 10 Mg of Midodrine Hydrochloride
With upright postures, there is an immediate redistribution of blood to the dependent circulation; venous return and central venous filling pressure are reduced, resulting in diminution of cardiac output and blood pressure.
- Trial name
- NCT00426842
- Testing
- Midodrine Hydrochloride
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Complex Regional Pain Syndrome, Type I
Study to Evaluate the Efficacy and Safety of Lenalidomide in the Treatment of Complex Regional Pain Syndrome Type 1
The purpose of this multicenter, double-blind, placebo-controlled study is to evaluate the efficacy and safety of Lenalidomide in adult subjects with Complex Regional Pain Syndrome (CRPS) Type 1.
- Trial name
- CRPS-002 (NCT00109772)
- Testing
- lenalidomide
- Where
- 27 sites in United States
- Volunteers
- 184 people
- Sponsor
- Celgene Corporation
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
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
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
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
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
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
Complex Regional Pain Syndrome (CRPS)
Efficacy and Safety of Intravenous Neridronic Acid in Complex Regional Pain Syndrome (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
- NCT03560986
- Testing
- Neridronic acid 100 mg
- Where
- 71 sites in United States, Canada and 5 more
- Volunteers
- 267 people
- Sponsor
- Grünenthal GmbH
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
Bone Blood Flow Regulation
Exploration of Blood Flow Regulation to Bone in Humans
Without blood flow, bone cannot maintain its integrity. Bone blood flow responds to various local and systemic factors, however, bone perfusion in humans remains relatively unstudied.
- Trial name
- NCT04083794
- Testing
- Laboratory based assessments
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Spaulding Rehabilitation Hospital
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
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
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