100 studies found for:    Open Studies | "Autonomic Nervous System Diseases"
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21 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
22 Recruiting Prevention of Orthostatic Hypotension With Electric Stimulation in Persons With Acute SCI
Conditions: Spinal Cord Injury;   Orthostatic Hypotension
Interventions: Procedure: ES of the abdominal muscles;   Procedure: ES of the limb muscles;   Procedure: ES of limbs & abdomen
23 Recruiting Genetic Basis of Mitral Valve Prolapse
Condition: Mitral Valve Prolapse
Intervention:
24 Recruiting Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Tachycardia Syndrome
Intervention: Drug: Cosyntropin administration
25 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.
26 Recruiting Droxidopa / Pyridostigmine in Orthostatic Hypotension
Condition: Orthostatic Hypotension
Interventions: Drug: Droxidopa;   Drug: Pyridostigmine Bromide
27 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
28 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
29 Unknown  Hypoglycemia Associated Autonomic Failure in Type 1 DM, Q4
Condition: Type 1 Diabetes
Intervention: Drug: epinephrine
30 Recruiting Mechanisms of Vasovagal Syncope
Conditions: Vasovagal Syncope;   Postural Tachycardia Syndrome
Interventions: Drug: Phenylephrine;   Drug: L-Ng-monomethyl Arginine (L-NMMA)
31 Recruiting Treatment of Supine Hypertension in Autonomic Failure
Condition: Hypertension
Interventions: Drug: Clonidine;   Drug: Nitroglycerin transdermal;   Drug: Dipyridamole/ Aspirin (Aggrenox);   Drug: Desmopressin (DDAVP);   Drug: Sildenafil;   Drug: Nifedipine;   Drug: Hydralazine;   Drug: Hydrochlorothiazide;   Drug: Placebo;   Drug: Bosentan;   Drug: Diltiazem;   Drug: Eplerenone;   Drug: guanfacine;   Dietary Supplement: L-arginine;   Drug: captopril;   Drug: carbidopa;   Drug: losartan;   Drug: metoprolol tartrate;   Drug: nebivolol hydrochloride;   Drug: prazosin hydrochloride;   Drug: tamsulosin hydrochloride;   Other: Head-up tilt.;   Drug: aliskiren
32 Unknown  Cardiovascular Effects of Selective I(f)-Channel Blockade
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Drug: beta-blocker (Metoprolol);   Drug: I(f)-blocker (ivabradine);   Drug: Placebo
33 Recruiting The Role of Endothelin in the Supine Hypertension of Autonomic Failure
Conditions: Hypertension;   Pure Autonomic Failure;   Multiple System Atrophy
Interventions: Drug: BQ123;   Drug: Bq123;   Drug: Saline
34 Recruiting Dietary Salt in Postural Tachycardia Syndrome
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: Blood Volume;   Radiation: Total Blood Volume;   Procedure: Exercise Capacity Test - Bicycle;   Procedure: Posture Study
35 Recruiting Peripheral Dopamine in Postural Tachycardia Syndrome
Conditions: Postural Tachycardia Syndrome;   Orthostatic Intolerance
Interventions: Drug: Carbidopa;   Drug: Placebo
36 Unknown  Assessment of Hand-grip in the Prevention of Postural Orthostatic Hypotension
Condition: Orthostatic Hypotension
Intervention: Other: Hand grip maneuver
37 Recruiting Progression Rate of MSA Under EGCG Supplementation as Anti-Aggregation-Approach
Condition: Multiple System Atrophy
Interventions: Drug: EGCG as putative neuroprotective agent;   Drug: Placebo
38 Recruiting The Autonomic Nervous System and Obesity
Conditions: OBESITY;   HYPERTENSION;   PURE AUTONOMIC FAILURE;   SHY-DRAGER SYNDROME
Interventions: Drug: Trimethaphan;   Drug: Pseudoephedrine
39 Recruiting Pathophysiology of Orthostatic Intolerance
Conditions: Tachycardia;   Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: DAXOR;   Procedure: QSweat;   Drug: Intrinsic Heart Rate
40 Recruiting Influence of Yoga in Patients With Neurocardiogenic Syncope
Condition: Syncope, Vasovagal
Intervention: Other: Yoga

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