54 studies found for:    Open Studies | "Orthostatic Intolerance"
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Rank Status Study
21 Recruiting Prevention of Syncope Trial 6 - Atomoxetine in Vasovagal Syncope
Condition: Vasovagal Syncope
Interventions: Drug: Atomoxetine;   Drug: Placebo
22 Recruiting Hemodynamic Mechanisms of Abdominal Compression in the Treatment of Orthostatic Hypotension in Autonomic Failure
Conditions: Orthostatic Hypotension;   Pure Autonomic Failure;   Multiple System Atrophy;   Autonomic Failure
Interventions: Other: Abdominal compression with inflatable cuff;   Other: Sham abdominal compression with inflatable cuff
23 Recruiting Post-Exercise Hypotension in Elderly Hypertensive Men
Condition: Hypertension
Interventions: Other: Aerobic exercise;   Other: Combined exercises;   Other: Control
24 Recruiting Heart Rate Variability and Orthostatic Hypotension in Stroke Patients Evaluated by Intelligent Biosensor System
Condition: Cerebrovascular Accident
Intervention:
25 Recruiting Qualitative Sweat Distribution During Tilt Table Procedure
Conditions: Postural Tachycardia Syndrome;   Syncope;   Anxiety
Intervention: Other: Alizarin Red
26 Recruiting Treatment and Prognosis of Neurogenic Orthostatic Hypotension : A Prospective Randomized Study
Condition: Orthostatic; Hypotension, Neurogenic
Interventions: Drug: Midodrine;   Drug: Pyridostigmine Bromide;   Drug: Midodrine + pyridostigmine bromide
27 Recruiting Transdermal Vagal Stimulation for POTS
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Other: Stimulation;   Other: Placebo
28 Recruiting Evaluation of the Effect of Hydration About Orthostatic Hypotension in the Elderly. Difference With Venous Compression
Condition: Orthostatic Hypotension
Interventions: Other: Hydration;   Other: Venous contention
29 Recruiting Effect of Medical Treatment and Prognosis of Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Drug: Propranolol;   Drug: Bisoprolol;   Drug: Propranolol+pyridostigmine;   Drug: Bisoprolol+pyridostgmine
30 Recruiting Clinical Autonomic Disorders: A Training Protocol
Conditions: Chronic Fatigue Syndrome;   Pseudopheochromocytoma;   Healthy Volunteers;   Neurocardiogenic Syncope;   Postural Tachycardia Syndrome
Intervention:
31 Recruiting Syncope Prediction Study
Condition: Vasovagal Syncope
Intervention:
32 Recruiting Assessment of Metoprolol in the Prevention of Vasovagal Syncope in Aging Subjects
Condition: Vasovagal Syncope
Intervention: Drug: Metoprolol
33 Recruiting Efficacy of L-threo DOPS on Orthostatic Hypotension Symptoms and Other Non-motor Symptoms in Patients With MSA
Condition: Multiple System Atrophy
Interventions: Drug: L-Threo DOPS;   Drug: placebo
34 Recruiting Essential Hypotension and Adaptability Registry
Conditions: Blood Pressure;   Depression;   Panic Attack;   Fibromyalgia;   POTS;   Inappropriate Sinus Tachycardia;   Coronary Heart Disease;   Acute Coronary Syndrome (ACS);   Acute Myocardial Infarction (AMI);   Cerebrovascular Disease (CVD);   Transient Ischemic Attack (TIA);   Atrial Fibrillation;   Diabetes Mellitus;   Cancer;   Systolic Heart Failure;   Diastolic Heart Failure;   Chronic Fatigue Syndrome;   Syncope;   Vasovagal Syncope
Intervention:
35 Recruiting Cardioneuroablation for Neurocardiogenic Syncope
Conditions: Neurocardiogenic Syncope;   Vasovagal Syncope
Interventions: Procedure: Cardioneuroablation;   Device: Biosense Webster Navistar ThermoCool Diagnostic/Ablation Deflectable Tip Catheter
36 Recruiting Iron Sucrose in Adolescents With Iron Deficiency and Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Drug: Iron infusion;   Drug: Normal saline infusion
37 Recruiting The Phenotype and Natural History of Primary Autonomic Disorders
Condition: Neurogenic Orthostatic Hypotension
Intervention:
38 Recruiting Abdominal and Lower Extremity Compression During Tilt Table Testing in Adolescent POTS Patients
Conditions: Postural Orthostatic Tachycardia Syndrome (POTS);   Syncope
Intervention: Device: Zoex compression garment
39 Recruiting Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Tachycardia Syndrome
Intervention: Drug: Cosyntropin administration
40 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