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Found 15 studies with search of: Chronic Orthostatic Intolerance
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Rank Status Study
1 Completed Evaluation of Chronic Orthostatic Intolerance
Condition: Syncope
Intervention:
2 Recruiting Objective Sleep Disturbances in Orthostatic Intolerance
Conditions: Postural Tachycardia Syndrome;   Chronic Orthostatic Intolerance
Intervention: Procedure: Polysomnography
3 Completed Hypnosis in Autonomic Function
Conditions: Vasovagal Syncope;   Postural Tachycardia Syndrome;   Hypnosis
Intervention:
4 Recruiting Treatment of Orthostatic Intolerance
Conditions: Tachycardia;   Chronic Orthostatic Intolerance
Interventions: Drug: Acetazolamide;   Drug: Atomoxetine;   Other: Baseline (No Drug);   Drug: Clonidine;   Drug: Entacapone;   Drug: Entacapone & Propranolol;   Drug: Atomoxetine & Propranolol;   Drug: Indomethacin;   Drug: Mecamylamine;   Drug: Isosorbide Dinitrate;   Dietary Supplement: Melatonin;   Drug: Midodrine;   Drug: Modafinil;   Drug: Octreotide;   Radiation: Placebo;   Drug: Propranolol;   Drug: Modafinil & Propranolol;   Drug: Sertraline;   Procedure: IV Saline;   Other: Drinking Water;   Device: Breathing Device;   Drug: memantine;   Device: Abdominal binder
5 Completed Propranolol to Treat Fainting Due to Sympathoadrenal Imbalance
Condition: Neurocardiogenic Syncope
Intervention: Drug: Propranolol
6 Completed Propranolol to Treat Fainting in Children With Sympathoadrenal Imbalance
Condition: Syncope
Intervention: Drug: Propranolol
7 Active, not recruiting Acute Salt Handling in Orthostatic Intolerance
Conditions: Postural Tachycardia Syndrome;   Orthostatic Tachycardia;   Orthostatic Intolerance
Intervention: Other: normal saline (0.9%)
8 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
9 Not yet recruiting Assessment of Central Pain in the Peripartum Period
Conditions: Pre - Delivery Pregnant Women;   Chronic Pain;   Pain During Delivery
Intervention:
10 Terminated Study To Assess The Clinical Benefit Of Droxidopa In Subjects With Chronic Fatigue Syndrome
Conditions: Chronic Fatigue Syndrome;   Orthostatic Hypotension;   Neurally Mediated Hypotension;   Neurogenic Orthostatic Hypotension
Intervention: Drug: Droxidopa
11 Unknown † Autonomic Profiles in Pediatric Patients With Cyclic Vomiting Syndrome (CVS), Irritable Bowel Syndrome (IBS),Postural Orthostatic Tachycardia Syndrome (POTS), Functional Abdominal Pain (FAP) or Chronic Nausea
Conditions: Vomiting Syndrome;   Irritable Bowel Syndrome;   Postural Orthostatic Tachycardia Syndrome;   Abdominal Pain;   Chronic Nausea
Intervention:
12 Terminated Effect of Chronic Oral Hydration in Patients With Recurrent Unexplained Syncope
Conditions: Hydration;   Loss of Consciousness;   Neurocardiogenic Syncope
Intervention: Procedure: Hydration
13 Completed A Dose Response Trial Using 5 and 10 Mg of Midodrine Hydrochloride
Conditions: Orthostatic Hypotension;   Spinal Cord Injury
Intervention: Drug: Midodrine Hydrochloride
14 Recruiting 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:
15 Recruiting Treatment of Orthostatic Hypotension
Conditions: Autonomic Nervous System Diseases;   Orthostatic Hypotension
Interventions: Drug: droxidopa;   Drug: placebo;   Drug: alpha-methyldopa;   Drug: carbidopa;   Drug: metyrosine;   Drug: levodopa;   Drug: atomoxetine;   Drug: metoclopramide

† Indicates status has not been verified in more than two years
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