49 studies found for:    Open Studies | "Mitral Valve Prolapse"
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Rank Status Study
21 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
22 Recruiting Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS)
Condition: Postural Tachycardia Syndrome
Intervention: Drug: Cosyntropin administration
23 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.
24 Recruiting Droxidopa / Pyridostigmine in Orthostatic Hypotension
Condition: Orthostatic Hypotension
Interventions: Drug: Droxidopa;   Drug: Pyridostigmine Bromide
25 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
26 Recruiting The Phenotype and Natural History of Primary Autonomic Disorders
Condition: Neurogenic Orthostatic Hypotension
Intervention:
27 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
28 Unknown  Assessment of Hand-grip in the Prevention of Postural Orthostatic Hypotension
Condition: Orthostatic Hypotension
Intervention: Other: Hand grip maneuver
29 Recruiting Influence of Yoga in Patients With Neurocardiogenic Syncope
Condition: Syncope, Vasovagal
Intervention: Other: Yoga
30 Recruiting Home-Based Walking Study
Conditions: Cardiovascular;   Diabetes;   Orthostatic Hypotension;   Type 2 Diabetes
Intervention: Behavioral: Home-based walking program (Aerobic Exercise)
31 Unknown  Is Orthostatic Hypotension Associated With Nondipping Hypertension
Conditions: Orthostatic Hypotension;   Nondipping Hypertension
Intervention:
32 Recruiting A Study of Pyridostigmine in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Interventions: Drug: pyridostigmine;   Drug: Placebo
33 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
34 Not yet recruiting Insulin Therapy and Falls Due to Orthostatic Hypotension
Conditions: Orthostatic Hypotension;   Diabetes;   Syncope
Intervention: Drug: Insulin ( Lantus)
35 Unknown  Fipamezole in Neurogenic Orthostatic Hypotension
Conditions: Symptomatic Neurogenic Orthostatic Hypotension (NOH);   Parkinson's Disease;   Multiple System Atrophy
Interventions: Drug: Placebo;   Drug: Fipamezole
36 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
37 Not yet 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
38 Recruiting Cognitive Dysfunction in Postural Tachycardia Syndrome
Condition: Postural Tachycardia Syndrome
Interventions: Behavioral: Seated Measurements;   Behavioral: Standing Measurements;   Behavioral: Self-Administered Surveys
39 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
40 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:

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Indicates status has not been verified in more than two years