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90 studies found for:    Open Studies | "Autonomic Nervous System Diseases"

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Rank Status Study
1 Recruiting MRI to Assess the Effects of Dysautonomia and Chronic Nausea on Brain Transmitters
Condition: Dysautonomia
Intervention:
2 Recruiting Head Circumference Growth in Children With Ehlers-Danlos Syndrome Who Develop Dysautonomia Later in Life
Conditions: Ehlers Danlos Syndrome;   External Hydrocephalus;   Dysautonomia;   Postural Orthostatic Tachycardia Syndrome;   Venous Insufficiency
Intervention:
3 Recruiting Treatment of Orthostatic Hypotension
Conditions: Autonomic Nervous System Diseases;   Orthostatic Hypotension;   Dopamine Beta-Hydroxylase Deficiency;   Orthostatic Intolerance
Interventions: Drug: droxidopa;   Drug: placebo;   Drug: alpha-methyldopa;   Drug: carbidopa;   Drug: metyrosine;   Drug: levodopa;   Drug: atomoxetine;   Drug: metoclopramide
4 Recruiting Evaluation of Primary Chronic Autonomic Failure
Condition: Autonomic Nervous System Diseases
Intervention:
5 Recruiting Biomarkers of Risk of Parkinson Disease
Conditions: Parkinson Disease;   Autonomic Nervous System Diseases;   Pure Autonomic Failure
Intervention:
6 Unknown † Prognostic Significance of the Baroreflex Sensitivity Changes After Acute Ischemic Stroke
Conditions: Cerebrovascular Accident;   Baroreflexes;   Autonomic Nervous System Diseases
Intervention:
7 Not yet recruiting Controlling Hyperadrenergic Activity in Neurologic Injury
Conditions: Traumatic Brain Injury;   Dysautonomia
Interventions: Drug: Esmolol;   Drug: Propranolol prn
8 Recruiting Is Acupoints Sensation Necessary for Acu-TENS to Elicit Physiological Changes in Healthy Subjects?
Condition: Autonomic Nervous System Disorder
Intervention: Other: Acu-TENS
9 Recruiting The Phenotype and Natural History of Primary Autonomic Disorders
Condition: Neurogenic Orthostatic Hypotension
Intervention:
10 Recruiting Orthostatic Dysregulation and Associated Gastrointestinal Dysfunction in Parkinson's Disease - Evolution
Condition: Parkinson`s Disease - Autonomic Dysregulation
Intervention:
11 Unknown † Hypoglycemia Associated Autonomic Failure in Type 1 Diabetes Mellitus
Condition: Type 1 Diabetes
Interventions: Drug: Fludrocortisone;   Drug: Dexamethasone
12 Recruiting Dietary Sodium's Effect on Urinary Sodium and Dopamine Excretion in Patients With Postural Tachycardia Syndrome
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: Total Blood Volume;   Procedure: Exercise Capacity Test - Bicycle;   Procedure: Posture Study
13 Not yet recruiting Blood Pressure and Brain Blood Flow Regulation After Midodrine Administration in Those With Spinal Cord Injury
Condition: Orthostatic Intolerance
Intervention: Drug: Midodrine
14 Recruiting Physiopathological Study of Autonomic Failure in Parkinson's Disease
Condition: Parkinson's Disease
Interventions: Other: Biopsies of peripheral autonomic nervous system;   Other: Autonomic dysfunction questionnaires;   Other: Electrophysiological tests
15 Recruiting Genetic Basis of Mitral Valve Prolapse
Condition: Mitral Valve Prolapse
Intervention:
16 Recruiting Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Tachycardia Syndrome
Intervention: Drug: Cosyntropin administration
17 Unknown † Orthostatic Hypotension in Children With Acute Febrile Illness
Conditions: Fever;   Orthostatic Hypotension
Intervention: Procedure: All subjects will have their blood pressure measured in supine position (after 5 minute of rest) and after 3 minute of standing.
18 Recruiting Droxidopa / Pyridostigmine in Orthostatic Hypotension
Conditions: Orthostatic Hypotension;   Multiple System Atrophy
Interventions: Drug: Droxidopa;   Drug: Pyridostigmine Bromide
19 Recruiting Investigation of the Serotoninergic System in Multiple System Atrophy: a Positron Emission Tomography (PET) Study
Condition: Multiple System Atrophy
Interventions: Radiation: PET (Positron Emission Tomography) Study;   Other: Brain MRI (magnetic resonance imaging);   Drug: Fluoxétine / Placebo
20 Recruiting Effect of Dietary Sodium Intake on Vascular Endothelium
Condition: Postural Tachycardia Syndrome (POTS)
Interventions: Procedure: Pulsitile Arterial Tonometry (PAT) Protocol;   Device: Calf Blood Flow in Reactive Hyperemia (CBF-RH);   Device: Evaluation of Forearm-Mediated Dilation
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† Indicates status has not been verified in more than two years