- Conditions
- Postural Tachycardia Syndrome
- Interventions
- Time restricted eating
- Behavioral
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- La Jolla, California
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Showing 25–48
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matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Diabetes Mellitus, With Complications
- Interventions
- Pulsatile Intravenous Insulin Therapy (Humulin R, Novolog)
- Procedure
- Lead sponsor
- Florida Atlantic University
- Other
- Eligibility
- 21 Years to 85 Years
- Enrollment
- 152 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 1
- States / cities
- Boca Raton, Florida
- Conditions
- Vasovagal Syncope
- Interventions
- midodrine hydrochloride, matching placebo
- Drug
- Lead sponsor
- Dr. Bob Sheldon
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 134 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2024
- U.S. locations
- 2
- States / cities
- Minneapolis, Minnesota • Nashville, Tennessee
- Conditions
- Postural Tachycardia Syndrome
- Interventions
- Vagal stimulation, Sham stimulation
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Postural Orthostatic Tachycardia Syndrome
- Interventions
- Shared medical appointment
- Behavioral
- Lead sponsor
- University of Arizona
- Other
- Eligibility
- 21 Years to 79 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
- Conditions
- Functional Gastrointestinal Disorders, Hypermobile Ehlers-Danlos Syndrome, Postural Orthostatic Tachycardia Syndrome, Autonomic Nervous System Disease, Autonomic Nervous System Imbalance
- Interventions
- Percutaneous vagal nerve stimulation (pVNS) device, Acoustic vagal nerve stimulation (aVNS) treatment
- Device · Other
- Lead sponsor
- Medical College of Wisconsin
- Other
- Eligibility
- 10 Years to 18 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- Conditions
- Spinal Cord Injury
- Interventions
- Midodrine, Placebo
- Drug
- Lead sponsor
- James J. Peters Veterans Affairs Medical Center
- Federal
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2019
- U.S. locations
- 2
- States / cities
- West Orange, New Jersey • The Bronx, New York
- Conditions
- Postural Tachycardia Syndrome
- Interventions
- dietary sodium
- Dietary Supplement
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2012
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Vitamin D Deficiency, Orthostatic Intolerance, Nausea
- Interventions
- vitamin D supplement
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 10 Years to 18 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2022
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Chronic Fatigue Syndrome, Orthostatic Intolerance, Postural Tachycardia Syndrome
- Interventions
- Autonomic Function Testing, Saline infusions, L-NMMA trimethaphan, methyldopa
- Other · Drug
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 170 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2017
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Post-Exercise Hypotension
- Interventions
- Moderate Intensity Aerobic Exercise
- Other
- Lead sponsor
- University of Delaware
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Newark, Delaware
- Conditions
- Orthostatic Hypotension, Falls
- Interventions
- Medication review, Nutrition/Salt intake, Education, Exercise, Drug Recommendations
- Other
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 356 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2016
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Posttraumatic Stress Disorder, Pseudopheochromocytoma, Healthy Volunteers, Neurocardiogenic Syncope, Postural Tachycardia Syndrome
- Interventions
- Not listed
- Lead sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
- NIH
- Eligibility
- 2 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2021
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Postural Tachycardia Syndrome
- Interventions
- Oral glucose tolerance test
- Diagnostic Test
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years to 60 Years · Female only
- Enrollment
- 26 participants
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Postural Orthostatic Tachycardia Syndrome
- Interventions
- Ivabradine, Placebo
- Drug
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- La Jolla, California
- Conditions
- Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
- Interventions
- Droxidopa Oral Product
- Drug
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2020
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Orthostatic Intolerance
- Interventions
- Ganirelix acetate, 17β-Oestradiol, Progesterone
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 34 Years · Female only
- Enrollment
- 109 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2013
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Postural Tachycardia Syndrome
- Interventions
- Autonomic Function Testing, Posture Study, Measurement of Total Blood Volume, Exercise Capacity Test
- Other · Procedure
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 110 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2026
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Young Adults, Hypertension, Post-Exercise Hypotension, Circadian Rhythm
- Interventions
- Exercise
- Behavioral
- Lead sponsor
- Freda Patterson
- Other
- Eligibility
- 18 Years to 39 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Newark, Delaware
- Conditions
- Long COVID, Postural Orthostatic Tachycardia Syndrome, Dysautonomia, Myalgic Encephalomyelitis, Chronic Fatigue Syndrome, Long Covid19
- Interventions
- Wearable device
- Device
- Lead sponsor
- Scripps Translational Science Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100,500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- La Jolla, California
- Conditions
- Postural Tachycardia Syndrome
- Interventions
- Embr Device
- Device
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Orthostatic Hypotension
- Interventions
- water 16 fl oz
- Other
- Lead sponsor
- Satish R. Raj
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2029
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Syncope, Vasovagal
- Interventions
- Buzzy® and Electronic Game
- Device
- Lead sponsor
- Duke University
- Other
- Eligibility
- 10 Years to 14 Years
- Enrollment
- 338 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 2
- States / cities
- Atlanta, Georgia • Durham, North Carolina
- Conditions
- Ehlers Danlos Syndrome, External Hydrocephalus, Dysautonomia, Postural Orthostatic Tachycardia Syndrome, Venous Insufficiency
- Interventions
- Not listed
- Lead sponsor
- Genetic Disease Investigators
- Other
- Eligibility
- 5 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Colleyville, Texas