Clinical trials: Sympathetic Nervous System Diseases
Anesthesia, Local, Cerebral Vasospasm
Cervical Sympathetic Block in Patients With Cerebral Vasospasm
The purposes of this study are twofold: 1) to assess the effect of a cervical sympathetic block on cerebral blood flow in patients suffering from cerebral vasospasm, after aneurysmal subarachnoid hemorrhage; 2) to evaluate the…
- Conditions
- Anesthesia, Local, Cerebral Vasospasm, Subarachnoid Hemorrhage, Aneurysmal
- Trial name
- NCT05230134
- Testing
- Cervical sympathetic block
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Stanford University
Complex Regional Pain Syndromes, Postherpetic Neuralgia
The Comparison of Sympathetic Blockade of Stellate Ganglion Block and Thoracic Paravertebral Block
The purpose of this study is to investigate the effect of ultrasound-guided thoracic paravertebral block (TPVB) when performing sympathetic block for upper limb pain control.
- Conditions
- Complex Regional Pain Syndromes, Postherpetic Neuralgia, Phantom Limb Pain, Chronic Post Surgical Pain
- Trial name
- NCT04876989
- Testing
- US-SGB, US-TPVB
- Where
- South Korea
- Volunteers
- 69 people
- Sponsor
- Seoul National University
Syncope
Evaluation of Chronic Orthostatic Intolerance
This study will conduct tests with patients with primary chronic orthostatic intolerance (COI) to learn more about this disorder of the autonomic nervous system.
- Trial name
- NCT00069693
- Where
- 3 sites in United States, Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Autonomic Nervous System Disease, Healthy
Blood Sampling for Neurochemical and Genetic Testing
This study involves sampling blood from both normal volunteers and patients with diseases known or suspected to involve body chemicals called catecholamines.
- Conditions
- Autonomic Nervous System Disease, Healthy, Hypertension, Pheochromocytoma
- Trial name
- NCT00001147
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Parkinson Disease, Neuroendocrine Tumors
124I-MIBG Tracer Evaluation of Myocardial Sympathetic Denervation and Assessment of Neuroendocrine Tumors.
The Feasibility of Novel 124I-MIBG Tracer in Evaluation of Myocardial Sympathetic Denervation and Assessment of Neuroendocrine tumors. Comparison with 123I-MIBG.
- Trial name
- NCT01931488
- Testing
- MIBG label with I123 or I124, SPECT imaging
- Where
- Israel
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
Complex Regional Pain Syndrome Type I of the Upper Limb
Effects of Repetitive Electric Sensory Stimulation (RSS) as Intervention in Complex-regional-pain-syndrome Type I (CRPS)
The purpose of this study is to test a specific nerve stimulation protocol as therapeutic option in patients diagnosed with CRPS (complex regional pain syndrome) of the upper extremity.
- Trial name
- NCT01915329
- Testing
- RSS (repetitive sensory stimulation)
- Where
- Germany
- Volunteers
- 50 people
- Sponsor
- Ruhr University of Bochum
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
Paroxysmal Sympathetic Hyperactivity
Effects of Early Musical Intervention on Prevalence and Severity of Paroxysmal Sympathetic Hyperactivity After Severe Traumatic Brain Injury
Paroxysmal sympathetic hyperactivity (PSH) is a frequent symptom after traumatic brain injury and concerns up to 30% of severely brain-injured patients.
- Trial name
- MUSIC-TCNV (NCT02783105)
- Testing
- Musical intervention, Control
- Where
- France
- Volunteers
- 11 people
- Sponsor
- University Hospital, Strasbourg, France
POTS - Postural Orthostatic Tachycardia Syndrome
RESET-POTS: Multimodal Phenotyping and Stellate Ganglion Block in Postural Orthostatic Tachycardia Syndrome
RESET-POTS is a pilot study for adults with postural orthostatic tachycardia syndrome (POTS), a condition that can cause a rapid increase in heart rate, dizziness, weakness, fatigue and other symptoms when standing.
- Trial name
- RESET-POTS (NCT07837804)
- Testing
- Bilateral Sequential Stellate Ganglion Block
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
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
Tachycardia, Postural Orthostatic Tachycardia Syndrome
Pathophysiology of Orthostatic Intolerance
The purpose of this study is to describe the mechanism of orthostatic intolerance, relying on cardiovascular physiological studies.
- Trial name
- NCT00608725
- Testing
- DAXOR, QSweat, Intrinsic Heart Rate
- Where
- United States
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Satish R. Raj
Spinal Cord Injury
Sympathetic-Somatomotor Coupling in Human Spinal Cord Injury
Significance: The long term objective of this study is to improve physical therapy and fitness programs in people with spinal cord injury.
- Trial name
- NCT02115685
- Testing
- Treadmill Training
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Shirley Ryan AbilityLab
Willis-Ekbom Disease, Restless Legs Syndrome
Analysis of Sympathetic Activity in Willis-Ekbom Disease
Willis-Ekbom disease (WED), also known as restless legs syndrome (RLS) is a common neurological sensorimotor disorder that typically impairs sleep and quality of life, likely consequent to a central dopaminergic dysfunction…
- Trial name
- MIBG-RLS (NCT02929732)
- Testing
- Sympathetic nervous activity measurement
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
CRPS Type I of the Upper Extremity, Neuropathy of the Median Nerve
Two Measures of Tactile Acuity in CRPS Type I Patients
This study aims to investigate whether two different measures of tactile acuity lead to comparable results in patients diagnosed with CRPS Type I of the upper extremity.
- Conditions
- CRPS Type I of the Upper Extremity, Neuropathy of the Median Nerve, Healthy Controls
- Trial name
- NCT01888783
- Testing
- Tactile acuity measured by 2PD and the GOT
- Where
- Germany
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Ruhr University of Bochum
Fibromyalgia
The Effect of Sympathetic Dysfunction on Muscle Spindle in Fibromyalgia
This study aims to reveal whether there is an impairment in the sympathetic regulation of muscle spindle sensitivity in patients with fibromyalgia syndrome (FMS).
- Trial name
- NCT05704374
- Testing
- sympathetic stimulation maneuver (mental arithmetic test, cold pressure test), Pregabalin 150mg
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Istanbul Physical Medicine Rehabilitation Training and Research Hospital
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
Effect of Exercise and Diet on Inflammation in Hypertensive Individuals
In addition to high blood pressure, hypertension is characterized by inflammation, which is the body's response to injury or infection. Inflammation has been found to cause plaque formation on artery walls.
- Trial name
- NCT00338572
- Testing
- Exercise Program, Combined Exercise and Diet Program
- Where
- United States
- Volunteers
- 185 people
- Sponsor
- University of California, San Diego
Gestational Diabetes
Autonomic Nervous Activity in Women With Gestational Diabetes
Through complex hormonal pathways, insulin resistance can lead to the activation of the sympathetic nervous system, and vice versa. Schobel et al.
- Trial name
- NCT00867022
- Where
- Finland
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Helsinki
Complex Regional Pain Syndrome I (CRPS I), Distal Radius Fracture
Prism Adaptation Therapy for CRPS Type 1
Complex Regional Pain Syndrome (CRPS) is a clinical condition characterized by pain that arises either without an identifiable triggering factor or with a severity disproportionate to the initiating event.
- Conditions
- Complex Regional Pain Syndrome I (CRPS I), Distal Radius Fracture, CRPS (Complex Regional Pain Syndromes), Neuropathic Pain
- Trial name
- NCT07370012
- Testing
- The Prism Adaptation Therapy Group, The Control Group
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people
- Sponsor
- Ankara Etlik City Hospital
Catecholamine; Overproduction, Catecholamine; Secretion
Sympathetic Activity and Cardiometabolic Complications
Recent studies on catecholamine physiology have shown a direct correlation with arterial hypertension, overcoming the exclusive role in the diagnosis and follow-up of chromaffin tumors.
- Conditions
- Catecholamine; Overproduction, Catecholamine; Secretion, Metabolic Syndrome, Hypertensive Heart Disease
- Trial name
- SYMPACT (NCT04495231)
- Where
- Italy
- Volunteers
- 1,380 people
- Sponsor
- University of Turin, Italy