- Conditions
- Postural Orthostatic Tachycardia Syndrome
- Interventions
- History, Physical, blood draw, Questionnaires
- Other · Behavioral
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 13 Years to 80 Years
- Enrollment
- 212 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2029
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 49–72
of 94
matching trials from the live ClinicalTrials.gov search.
- 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
- 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
- Neuromuscular Diseases (NMD), Amyotrophic Lateral Sclerosis, Myasthenia Gravis, Lambert-eaton Myasthenic Syndrome, Primary Lateral Sclerosis, Spinal Muscular Atrophy, Charcot Marie Tooth Disease (CMT), Fascioscapulohumeral Muscular Dystrophy, Inclusion Body Myositis, Mitochondrial Myopathy, Nemaline Myopathy, Centronuclear Myopathy, Postpolio Syndrome, Pompe Disease (Late-onset), Chronic Inflammatory Demyelinating Polyneuropathy, Hereditary Spastic Paraplegia, Postural Orthostatic Tachycardia Syndrome (POTS), Progressive Muscular Atrophy
- Interventions
- Whole-body Electrical Muscle Stimulation Exercise
- Device
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2031
- U.S. locations
- 1
- States / cities
- Columbia, Missouri
- Conditions
- Post-Acute COVID-19 Syndrome, Postural Tachycardia Syndrome (POTS), SARS CoV 2 Infection, Long COVID19
- Interventions
- To Measure levels of circulating monocyte/ T cell doublets at Baseline, To measure levels of circulating monocyte/ T cell doublets after 28 days of 2 HOBA treatment, To measure levels of circulating monocyte/ T cell doublets after 28 days of Placebo treatment, To Measure Splanchnic venous capacitance after 28 days of Treatment with 2HOBA, To Measure Splanchnic venous capacitance after 28 days of Treatment with Placebo, To Measure Orthostatic Tachycardia after 28 days of Treatment with 2HOBA, To Measure Orthostatic Tachycardia after 28 days of Treatment with Placebo
- Drug · Diagnostic Test
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, Chronic Fatigue Syndrome, Myalgic Encephalomyelitis, Exercise Intolerance, Dysautonomia, Low Ventricular Filling Pressures (Preload Failure), Postural Orthostatic Tachycardia Syndrome, Orthostatic Hypotension, Fibromyalgia
- Interventions
- Pyridostigmine Bromide, Placebo
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Chronic Fatigue Syndrome, Myalgic Encephalomyelitis, Systemic Exertion Intolerance Disease (SEID), Postural Tachycardia Syndrome (POTS), Neurally Mediated Syncope (NMS)
- Interventions
- Normal Saline, Oral Rehydration Solution
- Drug · Dietary Supplement
- Lead sponsor
- New York Medical College
- Other
- Eligibility
- 15 Years to 29 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Hawthorne, New York
- Conditions
- Autonomic Nervous System Diseases
- Interventions
- Not listed
- Lead sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
- NIH
- Eligibility
- Not listed
- Enrollment
- 335 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 1994 – 2004
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- 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
- Postural Orthostatic Tachycardia Syndrome, Hypocapnia, Hyperventilation
- Interventions
- Chemoreflex Testing, Baroreflex testing, Orthostatic stress testing
- Diagnostic Test
- Lead sponsor
- New York Medical College
- Other
- Eligibility
- 15 Years to 39 Years · Female only
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Hawthorne, New York
- Conditions
- Postural Tachycardia Syndrome
- Interventions
- Stellate ganglion block, Sham injection of saline, Ropivacaine, Normal saline
- Procedure · Drug
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 2
- States / cities
- Stanford, California
- Conditions
- Postural Orthostatic Tachycardia Syndrome, Acute Hepatic Porphyria
- Interventions
- Autonomic Function Testing, Genetic Testing, Urine Testing, Blood laboratory Testing
- Diagnostic Test
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 70 participants
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Inappropriate Sinus Tachycardia, Postural Tachycardia Syndrome
- Interventions
- AtriCure Commercially Available Devices
- Device
- Lead sponsor
- AtriCure, Inc.
- Industry
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 12
- States / cities
- Loma Linda, California • Palo Alto, California • Redwood City, California + 9 more
- Conditions
- Dysautonomia, Anxiety, Depression
- Interventions
- Transdiagnostic Group-Based Treatment
- Behavioral
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 13 Years to 18 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Postural Orthostatic Tachycardia Syndrome
- Interventions
- Iron infusion, Normal saline infusion
- Drug
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 12 Years to 21 Years
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome, Tachycardia, Arrhythmias, Cardiac, Autonomic Nervous System Diseases, Orthostatic Intolerance, Cardiovascular Diseases, Primary Dysautonomias
- Interventions
- phenylephrine, isoproterenol, 25 micro-Ci of radiation, Posture study with blood samples, 24-hour heart rhythm and blood pressure monitoring, Quantitative Axonal Sudomotor Reflex Testing, Autonomic function tests, Rebreathing test, Assessment of splanchnic capacitance, microneurography
- Drug · Radiation · Procedure + 1 more
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 58 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2026
- U.S. locations
- 2
- States / cities
- Oklahoma City, Oklahoma • Nashville, Tennessee
- Conditions
- Clonal Mast Cell Disease, KIT D816V Mutation, Suspected KITD816V Mutated Clonal Mast Cell Disease
- Interventions
- Screening
- Other
- Lead sponsor
- Blueprint Medicines Corporation
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 750 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 22
- States / cities
- Birmingham, Alabama • San Diego, California • Walnut Creek, California + 18 more
- Conditions
- Postural Orthostatic Tachycardia Syndrome
- Interventions
- Parasym (TM) Transcutaneous Electrical Nerve Stimulation (TENS) Device
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Post-COVID Postural Orthostatic Tachycardia Syndrome
- Interventions
- IgPro20, Placebo
- Biological
- Lead sponsor
- CSL Behring
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 34
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 29 more
- 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
- Conditions
- Postural Tachycardia Syndrome, Ehlers-Danlos Syndrome
- Interventions
- Standing, Supine
- Behavioral
- Lead sponsor
- Milton S. Hershey Medical Center
- Other
- Eligibility
- 13 Years to 60 Years
- Enrollment
- 139 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Hershey, Pennsylvania
- Conditions
- Postural Orthostatic Tachycardia Syndrome, Chronic Orthostatic Intolerance, Syncope
- Interventions
- Mirabegron 50 MG, Mirabegron 25 MG
- Drug
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Post-Acute COVID-19 Syndrome, ME/CFS, Rheumatic Arthritis, Juvenile Rheumatoid Arthritis (JRA), Psoriatic Arthritis (PsA), Ankylosing Spondylitis (AS), Autoimmune Encephalitis, Celiac Disease, Celiac Disease in Children, Chronic Lyme Disease, Post-treatment Lyme Disease Syndrome, Crohn's Disease, Dysautonomia, Anorexia Nervosa, Bulimia Nervosa, ARFID, Avoidant / Restrictive Food Intake Disorder, Ehlers Danlos Syndrome, Endometriosis, Fibromyalgia (FM), Long COVID, Lupus, Migraines, Mast Cell Activation Syndrome, Multiple Sclerosis, Myalgic Encephalomyelitis (ME), Myasthenia Gravis, Generalized, Myasthenia Gravis in Children, Narcolepsy, Obsessive Compulsive Disorder (OCD), PANDAS, Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), POTS - Postural Orthostatic Tachycardia Syndrome, General Anxiety Disorder, Social Anxiety Disorder, PTSD - Post Traumatic Stress Disorder, Psoriasis, Traumatic Brain Injury, Tourette's Syndrome, Inflammatory Bowel Disease (IBD), Autoimmune Diseases, Neurological Diseases or Conditions, Psychiatric Disorder, Sjogren's Syndrome, Ulcerative Colitis and Crohn's Disease
- Interventions
- Not listed
- Lead sponsor
- Brain Inflammation Collaborative
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 10,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2030
- U.S. locations
- 1
- States / cities
- Delafield, Wisconsin
- 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