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Orthostatic Intolerance (OI)

Showing 1 - 25 of 1,635
STUDY
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LAST UPDATED

Orthostatic Intolerance in the Context of Pediatric ME/CFS

Completed
  • Chronic Fatigue Syndrome in Adolescence
  • +2 more
    • Munich, Bavaria, Germany
      MRI Chronic Fatigue Center for Young People (MCFC) Children's Ho
    Sep 22, 2023

    Vitamin D Deficiency, Orthostatic Intolerance, Nausea Trial in Winston-Salem (vitamin D supplement)

    Completed
    • Vitamin D Deficiency
    • +2 more
    • vitamin D supplement
    • Winston-Salem, North Carolina
      Wake Forest Baptist Health
    Jan 25, 2023

    Orthostatic Intolerance Trial in Nashville (Atomoxetine, Placebo)

    Completed
    • Orthostatic Intolerance
    • Nashville, Tennessee
      Cyndya Shibao
    Mar 1, 2022

    Microcirculation, Orthostatic Intolerance, Remote Ischemic Preconditioning Trial in Munich (Remote ischemic preconditioning)

    Active, not recruiting
    • Microcirculation
    • +3 more
    • Remote ischemic preconditioning
    • Munich, Bavaria, Germany
      ISAR Klinikum
    Aug 10, 2023

    Postural Tachycardia Syndrome, Orthostatic Tachycardia, Orthostatic Intolerance Trial in Nashville (normal saline (0.9%))

    Active, not recruiting
    • Postural Tachycardia Syndrome
    • +2 more
    • normal saline (0.9%)
    • Nashville, Tennessee
      Vanderbilt University
    Sep 4, 2021

    Tachycardia, Postural Orthostatic Tachycardia Syndrome Trial in Nashville (radiation, procedure, drug)

    Recruiting
    • Tachycardia
    • Postural Orthostatic Tachycardia Syndrome
    • DAXOR
    • +2 more
    • Nashville, Tennessee
      Vanderbilt University
    Sep 12, 2022

    Postural Orthostatic Tachycardia Syndrome, Chronic Orthostatic Intolerance, Syncope Trial in Los Angeles (Mirabegron 50 MG,

    Not yet recruiting
    • Postural Orthostatic Tachycardia Syndrome
    • +2 more
    • Mirabegron 50 MG
    • Mirabegron 25 MG
    • Los Angeles, California
      Cedars-Sinai Medical Center
    Nov 14, 2023

    Tachycardia, Chronic Orthostatic Intolerance Trial in Nashville (drug, other, dietary supplement, radiation, procedure, device)

    Active, not recruiting
    • Tachycardia
    • Chronic Orthostatic Intolerance
    • Nashville, Tennessee
      Vanderbilt University Autonomic Dysfunction Center
    Sep 12, 2022

    Orthostatic Intolerance and Hypotension After Administration of

    Recruiting
    • Orthostatic Hypotension
    • Orthostatic Intolerance
    • Hvidovre, Denmark
      Hvidovre University Hospital
    Jun 15, 2021

    Postural Orthostatic Tachycardia Syndrome Trial in Lahore (Aerobic Training, Conventional Treatment)

    Completed
    • Postural Orthostatic Tachycardia Syndrome
    • Aerobic Training
    • Conventional Treatment
    • Lahore, Punjab, Pakistan
      Liaqat Hospital
    Jan 23, 2023

    Chronic Fatigue Syndrome, Myalgic Encephalomyelitis, Systemic Exertion Intolerance Disease (SEID) Trial in Hawthorne (Normal

    Active, not recruiting
    • Chronic Fatigue Syndrome
    • +4 more
    • Normal Saline
    • Oral Rehydration Solution
    • Hawthorne, New York
      NewYork Medical College
    Jun 9, 2021

    Orthostatic Intolerance, Postural Tachycardia Syndrome, Syncope, Postural Trial in Rozzano (Transcutaneous vagal nerve

    Recruiting
    • Orthostatic Intolerance
    • +4 more
    • Transcutaneous vagal nerve stimulation (tVNS)
    • +2 more
    • Rozzano, Italy
      Humanitas Research Hospital
    Jun 29, 2022

    Postural Orthostatic Tachycardia Syndrome (POTS), POTS, Orthostatic Intolerance Trial in Hawthorne (Pyridostigmine, Digoxin,

    Completed
    • Postural Orthostatic Tachycardia Syndrome (POTS)
    • +2 more
    • Hawthorne, New York
      New York Medical College/Bradhurst building
    Sep 27, 2022

    Task Force® CORE/CARDIO in Autonomic Function Testing (AFT)

    Not yet recruiting
    • Autonomic Dysfunction
    • Orthostatic Intolerance
    • Autonomic Function Testing
    • (no location specified)
    Aug 4, 2023

    Long COVID, POTS - Postural Orthostatic Tachycardia Syndrome, Autonomic Dysfunction Trial (IL-6, cytokines (IL-17, and IFN-?),

    Not yet recruiting
    • Long COVID
    • +2 more
    • IL-6
    • +2 more
    • (no location specified)
    Sep 6, 2023

    Pathophysiologic Hemodynamics After Primary Unilateral Total Hip

    Recruiting
    • Orthostatic Intolerance
    • Orthostatic Hypotension
    • Mobilisation procedure
    • Copenhagen, Denmark
      Hvidovre University Hospital
    Apr 8, 2021

    Postural Tachycardia Syndrome, Orthostatic Intolerance Trial in Calgary (RespirAct™ system (Thornhill Research Inc., Toronto,

    Recruiting
    • Postural Tachycardia Syndrome
    • Orthostatic Intolerance
    • RespirAct™ system (Thornhill Research Inc., Toronto, Canada)
    • Calgary, Alberta, Canada
      University of Calgary
    Feb 3, 2022

    Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency Trial in Nashville (Droxidopa

    Terminated
    Has Results
    • Autonomic Nervous System Diseases
    • +3 more
    • Droxidopa Oral Product
    • Nashville, Tennessee
      Vanderbilt University
    Feb 28, 2022

    Syncope, Vasovagal, Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance Trial (Counterpressure Maneuvers,

    Not yet recruiting
    • Syncope, Vasovagal
    • +2 more
    • Counterpressure Maneuvers
    • Baseline Stand
    • (no location specified)
    Nov 21, 2022

    Sleep Actigraphy in Postural Tachycardia Syndrome (POTS)

    Active, not recruiting
    • Postural Tachycardia Syndrome
    • +2 more
    • Actigraphy Watch (motion sensors) with light sensors - ActiWatch from Minimitter
    • Nashville, Tennessee
      Vanderbilt University
    Sep 4, 2021

    Postural Tachycardia Syndrome Trial in Nashville (Saline, Placebo)

    Active, not recruiting
    • Postural Tachycardia Syndrome
    • Nashville, Tennessee
      Vanderbilt University
    Aug 22, 2022

    Syncope, Vasovagal, Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance Trial in Vancouver (Counterpressure

    Recruiting
    • Syncope, Vasovagal
    • +2 more
    • Counterpressure Maneuvers
    • Usual Care
    • Vancouver, British Columbia, Canada
      BC Children's Hospital
    Nov 10, 2022

    Postural Tachycardia Syndrome (POTS), Vasovagal Syncope (VVS), Fainting Trial in Hawthorne (Northera (Droxidopa), Placebo)

    Active, not recruiting
    • Postural Tachycardia Syndrome (POTS)
    • +2 more
    • Northera (Droxidopa)
    • Placebo
    • Hawthorne, New York
      New York Medical College/Bradhurst building
    Apr 5, 2022

    Postural Tachycardia Syndrome, Orthostatic Intolerance Trial in Nashville (Carbidopa, Placebo)

    Completed
    Has Results
    • Postural Tachycardia Syndrome
    • Orthostatic Intolerance
    • Nashville, Tennessee
      Vanderbilt University Medical Center
    Jan 14, 2022

    Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency Trial in Nashville (procedure,

    Completed
    • Autonomic Nervous System Diseases
    • +3 more
    • Standing or upright tilt
    • +12 more
    • Nashville, Tennessee
      Vanderbilt University
    May 7, 2021