Now Available for Public Comment: Notice of Proposed Rulemaking (NPRM) for FDAAA 801 and NIH Draft Reporting Policy for NIH-Funded Trials
56 studies found for:    Open Studies | "Mitral Valve Prolapse"
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Rank Status Study
21 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
22 Unknown  Fipamezole in Neurogenic Orthostatic Hypotension
Conditions: Symptomatic Neurogenic Orthostatic Hypotension (NOH);   Parkinson's Disease;   Multiple System Atrophy
Interventions: Drug: Placebo;   Drug: Fipamezole
23 Recruiting Clinical Autonomic Disorders: A Training Protocol
Conditions: Chronic Fatigue Syndrome;   Pseudopheochromocytoma;   Healthy Volunteers;   Neurocardiogenic Syncope;   Postural Tachycardia Syndrome
Intervention:
24 Not yet 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
25 Recruiting A Clinical Study of Patients With Symptomatic NOH to Assess Sustained Effects of Droxidopa Therapy
Conditions: Symptomatic Neurogenic Orthostatic Hypotension;   Parkinson's Disease;   Multiple Systems Atrophy;   Pure Autonomic Failure;   Dopamine Beta Hydroxylase Deficiency
Interventions: Drug: Droxidopa;   Drug: Placebo
26 Not yet recruiting Syncope Prediction Study
Condition: Vasovagal Syncope
Intervention:
27 Recruiting Assessment of Midodrine in the Prevention of Vasovagal Syncope: The Prevention of Syncope Trial IV
Condition: Vasovagal Syncope
Interventions: Drug: midodrine hydrochloride;   Drug: matching placebo
28 Recruiting An Open Label Trial to Decrease Signs and Symptoms of Orthostatic Hypotension Using Midodrine or Intravenous Fluid Bolus in Patients Following Total Hip Arthroplasty
Condition: Orthostatic Hypotension
Interventions: Drug: Midodrine;   Other: Intravenous fluid bolus
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 Unknown  Assessment of Hand-grip in the Prevention of Postural Orthostatic Hypotension
Condition: Orthostatic Hypotension
Intervention: Other: Hand grip maneuver
31 Unknown  Is Orthostatic Hypotension Associated With Nondipping Hypertension
Conditions: Orthostatic Hypotension;   Nondipping Hypertension
Intervention:
32 Recruiting Assessment of Vascular Endothelial Function in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Intervention: Device: Blood Pressure and Blood Flow
33 Recruiting Droxidopa / Pyridostigmine in Orthostatic Hypotension
Condition: Orthostatic Hypotension
Interventions: Drug: Droxidopa;   Drug: Pyridostigmine Bromide
34 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.
35 Unknown  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:
36 Recruiting Cognitive Dysfunction in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Interventions: Behavioral: Seated Measurements;   Behavioral: Standing Measurements;   Behavioral: Self-Administered Surveys
37 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
38 Recruiting Influence of Yoga in Patients With Neurocardiogenic Syncope
Condition: Syncope, Vasovagal
Intervention: Other: Yoga
39 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:
40 Recruiting Transdermal Vagal Stimulation for POTS
Condition: Postural Orthostatic Tachycardia Syndrome
Interventions: Other: Stimulation;   Other: Placebo

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