Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jun 10, 2026, 11:26 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 70 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
POTS, POTS - Postural Orthostatic Tachycardia Syndrome, Dysautonomia, Autonomic Dysfunction
Interventions
Blood Sample Collection
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Aldosterone & Sodium Regulation in Postural Tachycardia Syndrome - Screening

NCT01783288
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
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
Completed Phase 1Phase 2 Interventional Results available

IVIG (Gamunex-C) Treatment Study for POTS Subjects

NCT03919773
Conditions
Postural Tachycardia Syndrome
Interventions
IVIG, Albumin
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Dallas, Texas
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
Terminated Not applicable Interventional Accepts healthy volunteers

Use of Cast Iron Pots to Improve Maternal Anemia

NCT02341300
Conditions
Iron-deficiency Anemia
Interventions
Cast Iron Pot, Alumnium Pot
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Completed Early Phase 1 Interventional Accepts healthy volunteers

Local Vasoconstriction in Postural Tachycardia Syndrome

NCT01210430
Conditions
Postural Tachycardia Syndrome
Interventions
Losartan, Ascorbic Acid (Vitamin C), Normal Saline
Drug
Lead sponsor
New York Medical College
Other
Eligibility
14 Years to 29 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Hawthorne, New York
Completed No phase listed Observational Accepts healthy volunteers

Hypnosis in Autonomic Function

NCT00061009
Conditions
Vasovagal Syncope, Postural Tachycardia Syndrome, Hypnosis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Postural Orthostatic Tachycardia Syndrome (POTS), Syncope
Interventions
Zoex compression garment
Device
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years to 19 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
IVIG + Coordinated Care, IVIG Placebo + Coordinated Care, Ivabradine + Coordinated Care, Ivabradine Placebo + Coordinated Care, IVIG + Usual Care, IVIG Placebo + Usual Care, Ivabradine + Usual Care, Ivabradine Placebo + Usual Care
Drug
Lead sponsor
Kanecia Obie Zimmerman
Other
Eligibility
18 Years and older
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
50
States / cities
Opelika, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 45 more
Conditions
Post-COVID Postural Orthostatic Tachycardia Syndrome Postural Orthostatic Tachycardia Syndrome
Interventions
Efgartigimod
Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
9
States / cities
La Jolla, California • Palo Alto, California • Glenview, Illinois + 6 more
Conditions
Long COVID-19, Acute COVID-19, Postural Orthostatic Tachycardia Syndrome (POTS), Diabetic Neuropathy
Interventions
Not listed
Lead sponsor
CND Life Sciences
Other
Eligibility
18 Years to 80 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Scottsdale, Arizona
Completed Not applicable Interventional

Programming Aquatic Therapy for POTS

NCT07182578
Conditions
Postural Orthostatic Tachycardia Syndrome (POTS)
Interventions
Aquatic Occupational Therapy
Other
Lead sponsor
California State University, Dominguez Hills
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Long Beach, California
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Renin-Aldosterone Axis in Postural Tachycardia Syndrome

NCT00962949
Conditions
Postural Orthostatic Tachycardia Syndrome (POTS)
Interventions
Angiotensin II
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 64 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance
Interventions
Droxidopa, Atenolol, Placebos
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

CRI in POTS in Adolescents

NCT03974737
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
CRI device (non-invasive vitals sign measurement)
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 21 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
Ivabradine, Ivabradine Placebo, Coordinated Care, Usual Care
Drug · Behavioral
Lead sponsor
Kanecia Obie Zimmerman
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Active, not recruiting Phase 1 Interventional

Vagal Stimulation in POTS

NCT03124355
Conditions
Postural Tachycardia Syndrome
Interventions
placebo sugar pill, Pyridostigmine Pill, Galantamine Pill, Vagal stimulation, Sham vagal stimulation
Drug · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Active, not recruiting Early Phase 1 Interventional

Autonomic Determinants of POTS - Pilot 2

NCT04140721
Conditions
Postural Tachycardia Syndrome
Interventions
Placebo oral tablet, Moxonidine Pill
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Dietary Sodium Intake on Vascular Endothelium

NCT01550315
Conditions
Postural Tachycardia Syndrome (POTS)
Interventions
Pulsitile Arterial Tonometry (PAT) Protocol, Calf Blood Flow in Reactive Hyperemia (CBF-RH), Evaluation of Forearm-Mediated Dilation
Procedure · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Postural Tachycardia Syndrome, Autonomic Dysfunction, Postural Orthostatic Tachycardia Syndrome, POTS - Postural Orthostatic Tachycardia Syndrome
Interventions
GammaCore intervention, STEPS management protocol
Device · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
12 Years to 19 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Rochester, Minnesota
Conditions
Postural Tachycardia Syndrome
Interventions
pyridostigmine, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
15 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Pathophysiology of Orthostatic Intolerance

NCT00608725
Conditions
Tachycardia, Postural Orthostatic Tachycardia Syndrome
Interventions
DAXOR, QSweat, Intrinsic Heart Rate
Radiation · Procedure · Drug
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 80 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
POTS - Postural Orthostatic Tachycardia Syndrome
Interventions
Intravenous iron
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee