Clinical trials: Sympathetic Disorder
Cardiovascular Diseases
Open-Label Study of 18F-mFBG for Imaging Myocardial Sympathetic Innervation
This is a Phase 1/2 study evaluating the positron-emitting radiopharmaceutical 18F-mFBG as an imaging agent for quantification of myocardial sympathetic innervation.
- Trial name
- NCT04535193
- Testing
- 18F-mFBG for intravenous administration
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Innervate Radiopharmaceuticals LLC (Formerly: Illumina Radiopharmaceuticals LLC)
Type 2 Diabetes Mellitus
Effect of DPP4 Inhibition on Vasoconstriction
The purpose of this study is to understand how dipeptidyl peptidase IV (DPP4) inhibition in diabetics affects hemodynamic parameters and sympathetic activation in the setting of increasing concentrations of neuropeptide Y, an…
- Trial name
- NCT02639637
- Testing
- Sitagliptin, Neuropeptide Y, Enalaprilat
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- Vanderbilt University
Insulin Resistance, Autonomic Dysfunction
Role of Endothelin-1 Modulating Insulin-stimulated Blood Flow and Sympathetic Nervous System Activity in Obesity
The aim of this project is to determine role for ET-1 in individuals with obesity.
- Conditions
- Insulin Resistance, Autonomic Dysfunction, Obesity
- Trial name
- NCT05518422
- Testing
- Hyperinsulinemic, euglycemic infusion
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Hypertension, Cardiovascular Diseases
Sympathetic Activity in Post-injury Outcomes: Impact on Sleep and caRdiovascular Health InvesTigation
The goal of this observational study is to learn about the long-term health of United States military service members who were injured during combat.
- Conditions
- Hypertension, Cardiovascular Diseases, Sleep Disorder, Arrythmia
- Trial name
- SPIRIT (NCT05971433)
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Uniformed Services University of the Health Sciences
Uncontrolled Hypertension
Evaluation of Safety Mechanisms of Renal Radioablation(RSRA)for Uncontrolled Hypertension
Renal sympathetic radioablation disrupts the nerves by high radiofrequency signal which creates localized heat, eliminates the signal and decrease blood pressure.
- Trial name
- RSRA (NCT01966952)
- Where
- Canada
- Volunteers
- 4 people
- Sponsor
- Ottawa Hospital Research Institute
Type 2 Diabetes
INSUlin Regimens and VASCular Functions
Vago-sympathetic activity, arterial stiffness and endothelial function are integrators of cardiovascular risk. The aim of this pilot study is, in type 2 diabetic patients now requiring insulin, to compare the effects of improving…
- Trial name
- INSUVASC (NCT01022658)
- Testing
- Insulin
- Where
- France
- Volunteers
- 42 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Ventricular Tachycardia
Percutaneous Inferior Cervical Sympathetic Block for Treatment of Refractory Ventricular Tachycardia
The purpose of this research study is to examine the effect of percutaneous inferior cervical sympathetic block on life threatening abnormal heart rhythms called ventricular tachycardia or ventricular fibrillation that can lead…
- Trial name
- NCT04770051
- Testing
- Percutaneous inferior cervical sympathetic block
- Sponsor
- University of Missouri-Columbia
Temporal Lobe Epilepsy
Autonomic Dysfunction in Temporal Lobe Epilepsy and SUDEP
The study aimed at detection of autonomic dysfunction among cases with temporal lobe epilepsy; using different electrophysiological techniques.
- Trial name
- NCT06269822
- Testing
- Sympathetic skin response, heart rate variability test, quantitative EEG
- Where
- Egypt
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Cairo University
Down Syndrome, Autonomic Dysfunction
Exploring Sympathetic Nervous System Function in Individuals With Down Syndrome
Down syndrome (DS), the most common genetic cause of intellectual disability, is associated with widespread organ dysfunction, including abnormalities in the autonomic nervous system (ANS).
- Trial name
- DIVE (NCT07238465)
- Testing
- Cold Stress, Maximal Dynamic Exercise, Isometric Handgrip Exercise with Post-Exercise Muscle Ischemia
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Cardiomyopathy, Dilated, Tachycardia, Ventricular
The Leiden Nonischemic Cardiomyopathy Study
Rationale: Sudden cardiac death, mainly caused by ventricular arrhythmias (VA), is a major cause of morbidity and mortality in non-ischemic cardiomyopathy (NICM). Therapies that effectively prevent VA are lacking.
- Conditions
- Cardiomyopathy, Dilated, Tachycardia, Ventricular, Ventricular Fibrillation
- Trial name
- NCT01940081
- Testing
- Transthoracic echocardiography, Exercise test, 24-hour Holter electrocardiogram
- Where
- Netherlands
- Volunteers
- 148 people
- Sponsor
- Leiden University Medical Center
Complex Regional Pain Syndrome Type I of the Upper Limb
Single-port Thoracoscopic Sympathicotomy in Complex Regional Pain Syndrome Type I (CRPS)
Background of the study: CRPS type-1 is a pain syndrome that usually develops after an initiating noxious event (e.g. fracture) in an extremity.
- Trial name
- NCT01886625
- Testing
- unilateral single-port VATS sympathicotomy
- Where
- Netherlands
- Sponsor
- University of Groningen
Obesity, Type 2 Diabetes Mellitus
Brown Adipose Tissue and Body Mass Index
In this study the investigators aim to investigate whether the sympathetic stimulation of BAT, as assessed with a 123I-metaiodobenzylguanidine single-photon emission computed tomography computed tomography scan, differs between…
- Trial name
- NCT02173834
- Testing
- 18F- fluorodeoxyglucose-positron emission tomography Computed Tomography scan and 123I-metaiodobenzylguanidine-single-photon emission computed tomography scan
- Where
- Netherlands
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Heart Failure
Effects of Low-frequency Electrical Stimulation in Patients With Advanced HF
The purpose of this study is to verify the effects of low frequency functional electrical stimulation in heart failure patients hospitalized for treatment of the syndrome.
- Trial name
- NCT01886430
- Testing
- Functional electrical stimulation
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- University of Sao Paulo General Hospital
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
Systolic Heart Failure, Beta-blockers Intolerance
Surgical Sympathetic Blockade in Heart Failure
The investigators sought to evaluate the feasibility and safety of surgical sympathetic blockade in systolic heart failure patients and secondary to assess its cardiovascular consequences.
- Conditions
- Systolic Heart Failure, Beta-blockers Intolerance, Beta-blockers Resistance
- Trial name
- SymBlock (NCT01224899)
- Testing
- Left cervico-thoracic sympathetic blockade
- Where
- Brazil
- Volunteers
- 15 people
- Sponsor
- University of Sao Paulo
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.
Complex Regional Pain Syndrome (CRPS), Shoulder Hand Syndrome
Effects of Motor Imagery Technique With and Without Virtual Reality on Pain Intensity ,Functional Disability and Quality of Life in Patient With Post Stroke Shoulder Hand Syndrome
the current study is a randomized controlled trial comparing the effectiveness of motor imagery techanique with and without virtual reality on pain intensity , functional disability and quality of life for individual with post…
- Trial name
- VR-SHS (NCT07610889)
- Testing
- motor imagery with virtual reality, motor imagery alone
- Where
- Pakistan
- Volunteers
- 40 people
- Sponsor
- Green International University
Resistant Hypertension
The RESPLASH Study
To assess the safety and effectiveness of renal artery denervation with subsequent splanchnic nerves denervation via catheter-based radiofrequency ablation in improving blood pressure and glycemic control in patients with…
- Trial name
- NCT06880562
- Testing
- Splanchnic Nerve Denervation, Renal Denervation Only
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Tulane University
Preeclampsia
Cardiovascular and Autonomic Reactivity in Women With a History of Pre-eclampsia
A history of preeclampsia is associated with a low plasma volume and higher sympathetic activity. Methyldopa will suppress sympathetic activity to normal values.
- Trial name
- NCT00117546
- Testing
- alpha methyldopa
- Where
- Netherlands
- Volunteers
- 35 people
- Sponsor
- Radboud University Medical Center
Hypertension
Sympathetic Activity and Renal Denervation
Primary hypothesis: Catheter-based renal denervation reduces central sympathetic activation in patients with refractory hypertension. Secondary hypotheses: 1.
- Trial name
- ReD (NCT01355055)
- Where
- Germany
- Volunteers
- 26 people
- Sponsor
- Hannover Medical School