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

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Rank Status Study
21 Unknown † Hypoglycemia Associated Autonomic Failure in Type 1 DM, Q4
Condition: Type 1 Diabetes
Intervention: Drug: epinephrine
22 Recruiting Mechanisms of Vasovagal Syncope
Conditions: Vasovagal Syncope;   Postural Tachycardia Syndrome
Interventions: Drug: Phenylephrine;   Drug: L-Ng-monomethyl Arginine (L-NMMA)
23 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.
24 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
25 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
26 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
27 Recruiting Autonomic Nervous System and Chronic Fatigue Syndrome
Conditions: Chronic Fatigue Syndrome;   Orthostatic Intolerance;   Postural Tachycardia Syndrome
Interventions: Other: Autonomic Function Testing;   Other: Saline infusions;   Drug: L-NMMA trimethaphan;   Drug: methyldopa
28 Recruiting Peripheral Dopamine in Postural Tachycardia Syndrome
Conditions: Postural Tachycardia Syndrome;   Orthostatic Intolerance
Interventions: Drug: Carbidopa;   Drug: Placebo
29 Not yet recruiting Assessment of Hand-grip in the Prevention of Postural Orthostatic Hypotension
Condition: Orthostatic Hypotension
Intervention: Other: Hand grip maneuver
30 Recruiting The Autonomic Nervous System and Obesity
Conditions: OBESITY;   HYPERTENSION;   PURE AUTONOMIC FAILURE;   SHY-DRAGER SYNDROME
Interventions: Drug: Trimethaphan;   Drug: Pseudoephedrine
31 Recruiting Safety and Efficacy of L-NAME and Midodrine to Increase MAP
Conditions: Orthostatic Hypotension;   Spinal Cord Injury
Interventions: Drug: L-NAME;   Drug: Midodrine Hydrochloride
32 Recruiting Pathophysiology of Orthostatic Intolerance
Conditions: Tachycardia;   Postural Orthostatic Tachycardia Syndrome
Interventions: Radiation: DAXOR;   Procedure: QSweat;   Drug: Intrinsic Heart Rate
33 Recruiting Influence of Yoga in Patients With Neurocardiogenic Syncope
Condition: Syncope, Vasovagal
Intervention: Other: Yoga
34 Recruiting Breathing Device in Postural Orthostatic Tachycardia Syndrome (POTS)
Conditions: Postural Tachycardia Syndrome;   Postural Orthostatic Tachycardia Syndrome
Interventions: Device: Inspiratory Threshold Device (Res-Q-Gard ITD);   Device: Sham Inspiratory Threshold Device
35 Recruiting Home-Based Walking Study
Conditions: Cardiovascular;   Diabetes;   Orthostatic Hypotension;   Type 2 Diabetes
Intervention: Behavioral: Home-based walking program (Aerobic Exercise)
36 Recruiting Local Vasoconstriction in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Interventions: Drug: Losartan;   Drug: Ascorbic Acid (Vitamin C);   Drug: Normal Saline
37 Unknown † Is Orthostatic Hypotension Associated With Nondipping Hypertension
Conditions: Orthostatic Hypotension;   Nondipping Hypertension
Intervention:
38 Recruiting Study on Safety and Performance of Medtentia Annuloplasty Ring in Surgical Repair of Mitral Regurgitation
Conditions: Mitral Regurgitation;   Mitral Insufficiency;   Mitral Valve Prolapse
Intervention: Device: Mitral valve repair using Medentia Annuloplasty Ring
39 Recruiting Mechanisms Responsible for Hypoglycemia Associated Autonomic Failure
Conditions: Diabetes Mellitus;   Hypoglycemia;   Autonomic Failure
Interventions: Drug: naloxone;   Dietary Supplement: fructose;   Behavioral: exercise
40 Recruiting Hypoglycemia Associated Autonomic Failure in Type 1 Diabetes Mellitus
Condition: Type 1 Diabetes
Interventions: Drug: Dehydroepiandrosterone;   Drug: Placebo
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† Indicates status has not been verified in more than two years