49 studies found for:    Open Studies | "Orthostatic Intolerance"
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Rank Status Study
21 Not yet recruiting Dawn Simulation and Postural Hypotension
Condition: Orthostatic Hypotension
Intervention: Device: Light
22 Recruiting Blood Pressure Lowering Effects of Angiotensin-(1-7) in Primary Autonomic Failure
Conditions: Autonomic Nervous System Disorders;   Pure Autonomic Failure;   Shy-Drager Syndrome;   Orthostatic Hypotension, Dysautonomic
Interventions: Drug: Angiotensin-(1-7);   Drug: Saline
23 Recruiting Sustained Effect of Droxidopa in Symptomatic Neurogenic Orthostatic Hypotension
Condition: Symptomatic Neurogenic Orthostatic Hypotension
Interventions: Drug: Droxidopa capsules;   Drug: Placebo capsules
24 Recruiting Prevention of Syncope Trial 6 - Atomoxetine in Vasovagal Syncope
Condition: Vasovagal Syncope
Interventions: Drug: Atomoxetine;   Drug: Placebo
25 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;   Other: Sham abdominal compression;   Drug: Placebo pill;   Drug: midodrine
26 Recruiting Post-Exercise Hypotension in Elderly Hypertensive Men
Condition: Hypertension
Interventions: Other: Aerobic exercise;   Other: Combined exercises;   Other: Control
27 Recruiting Heart Rate Variability and Orthostatic Hypotension in Stroke Patients Evaluated by Intelligent Biosensor System
Condition: Cerebrovascular Accident
Intervention:
28 Recruiting Qualitative Sweat Distribution During Tilt Table Procedure
Conditions: Postural Tachycardia Syndrome;   Syncope;   Anxiety
Intervention: Other: Alizarin Red
29 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
30 Recruiting Transdermal Vagal Stimulation for POTS
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Other: Stimulation;   Other: Placebo
31 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
32 Recruiting Clinical Autonomic Disorders: A Training Protocol
Conditions: Chronic Fatigue Syndrome;   Pseudopheochromocytoma;   Healthy Volunteers;   Neurocardiogenic Syncope;   Postural Tachycardia Syndrome
Intervention:
33 Recruiting Syncope Prediction Study
Condition: Vasovagal Syncope
Intervention:
34 Recruiting Assessment of Metoprolol in the Prevention of Vasovagal Syncope in Aging Subjects
Condition: Vasovagal Syncope
Intervention: Drug: Metoprolol
35 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
36 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:
37 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
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