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ClinicalTrials.gov public records Last synced May 21, 2026, 10:59 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 198 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Orthostasis Clear all
Terminated Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Postural Tachycardia Syndrome (POTS), Vasovagal Syncope (VVS), Fainting
Interventions
Northera (Droxidopa), Placebo
Drug
Lead sponsor
New York Medical College
Other
Eligibility
18 Years to 35 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced May 21, 2026, 10:59 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Hypotension, Spinal Cord Injury
Interventions
N-Nitro L-arginine-methylester (L-NAME), Head-up Tilt maneuver
Drug · Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 18, 2014 · Synced May 21, 2026, 10:59 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Postexercise Hypotension
Interventions
Continuous Exercise, Aerobic Interval Exercise
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
2
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 9, 2020 · Synced May 21, 2026, 10:59 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome, Syncope, Vasovagal, Neurocardiogenic Syncope
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
10 Years to 21 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced May 21, 2026, 10:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Spinal Cord Injuries, Autonomic Imbalance, Autonomic Dysreflexia, Orthostatic Hypotension
Interventions
Tests of sympathetic inhibition, Tests of sympathetic activation, Testing of autonomic dysreflexia
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 50 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 21, 2026, 10:59 PM EDT
Terminated Phase 4 Interventional
View directory record Official record
Conditions
Hypotension, Orthostatic
Interventions
midodrine hydrochloride (ProAmatine®)
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
3
States / cities
St. Petersburg, Florida • Upland, Pennsylvania • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced May 21, 2026, 10:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
POTS - Postural Orthostatic Tachycardia Syndrome
Interventions
Questionnaires to be competed, Provide list of medication and lifetime events, Use phone App to record new life events, Will wear an activity monitor, Periodic 24-hour urine sodium check, A fMRI scan, A bedside tilt test will be performed, IV placed to collect blood samples, Stool Sample
Behavioral · Device · Other + 1 more
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced May 21, 2026, 10:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Hypotension, Orthostatic Hypotension
Interventions
Not listed
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2019 · Synced May 21, 2026, 10:59 PM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Symptomatic Neurogenic Orthostatic Hypotension
Interventions
ampreloxetine
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
30 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
13
States / cities
Colorado Springs, Colorado • Boca Raton, Florida • Port Charlotte, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2022 · Synced May 21, 2026, 10:59 PM EDT
Completed Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced May 21, 2026, 10:59 PM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Autoimmune Autonomic Ganglionopathy (AAG)
Interventions
Double blinded IVIg, Double blinded Placebo, Single Blinded IVIg
Drug · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
6
States / cities
Bethesda, Maryland • Boston, Massachusetts • Rochester, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 10:59 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Orthostatic Hypotension, Spinal Cord Injury
Interventions
Midodrine Hydrochloride
Drug
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 9, 2016 · Synced May 21, 2026, 10:59 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 7, 2024 · Synced May 21, 2026, 10:59 PM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced May 21, 2026, 10:59 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Autonomic Dysfunction, Orthostatic Intolerance
Interventions
Development of AD/OI after BS
Other
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years to 85 Years
Enrollment
400 participants
Timeline
2024 – 2025
U.S. locations
8
States / cities
Overland Park, Kansas • Independence, Missouri • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced May 21, 2026, 10:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced May 21, 2026, 10:59 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
ME/CFS, Long COVID, PASC
Interventions
Pyridostigmine, Low-Dose Naltrexone, Placebo
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced May 21, 2026, 10:59 PM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced May 21, 2026, 10:59 PM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 21, 2026, 10:59 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Hypotension, Orthostatic
Interventions
Midodrine Hydrochloride
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1999
U.S. locations
15
States / cities
Huntsville, Alabama • Miramar, Florida • St. Petersburg, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced May 21, 2026, 10:59 PM EDT
Enrolling by invitation Phase 2 Interventional
View directory record Official record
Conditions
Orthostatic Hypotension
Interventions
Droxidopa, Pyridostigmine, Placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced May 21, 2026, 10:59 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Hypotension, Orthostatic, Hypotension, Spinal Cord Injuries
Interventions
Northera, Placebo
Drug · Other
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced May 21, 2026, 10:59 PM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Symptomatic Neurogenic Orthostatic Hypotension, MSA, Parkinson's Disease (PD), Pure Autonomic Failure (PAF)
Interventions
ampreloxetine, Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
30 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
20
States / cities
Sun City, Arizona • La Jolla, California • Palo Alto, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced May 21, 2026, 10:59 PM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
breathing exercise training
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced May 21, 2026, 10:59 PM EDT