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ClinicalTrials.gov public records Last synced Sep 10, 2026, 12:44 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Orthostatic Intolerance Clear all
Completed Phase 3 Interventional Results available

A Two Part Study (306A/306B) to Assess Droxidopa in Treatment of NOH in Patients With Parkinson's Disease

NCT01176240
View directory record Official record
Conditions
Orthostatic Hypotension, Parkinson's Disease
Interventions
Droxidopa, Placebo
Drug · Other
Lead sponsor
Chelsea Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
60
States / cities
Alabaster, Alabama • Gilbert, Arizona • Phoenix, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Sep 10, 2026, 12:44 PM EDT
Active, not recruiting Not applicable Interventional

Water and the Gastropressor Response - Diurnal Variability

NCT00581373
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 10, 2026, 12:44 PM EDT
Completed Phase 2 Interventional Results available

The Exercise Response to Pharmacologic Cholinergic Stimulation in Myalgic Encephalomyelitis / Chronic Fatigue Syndrome

NCT03674541
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 7, 2022 · Synced Sep 10, 2026, 12:44 PM EDT
Terminated Phase 2 Interventional Results available

Study To Assess The Clinical Benefit Of Droxidopa In Subjects With Chronic Fatigue Syndrome

NCT00977171
View directory record Official record
Conditions
Chronic Fatigue Syndrome, Orthostatic Hypotension, Neurally Mediated Hypotension, Neurogenic Orthostatic Hypotension
Interventions
Droxidopa
Drug
Lead sponsor
Chelsea Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 8, 2014 · Synced Sep 10, 2026, 12:44 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Mechanisms of Vasovagal Syncope

NCT01791816
View directory record Official record
Conditions
Vasovagal Syncope, Postural Tachycardia Syndrome
Interventions
Phenylephrine, L-Ng-monomethyl Arginine (L-NMMA)
Drug
Lead sponsor
New York Medical College
Other
Eligibility
14 Years to 29 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2022
U.S. locations
1
States / cities
Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Sep 10, 2026, 12:44 PM EDT
Recruiting Not applicable Interventional

The STAND-UP Study

NCT07195903
View directory record Official record
Conditions
Orthostatic Hypotension, Dysautonomic, Orthostatic Intolerance
Interventions
Angioplasty or stenting
Device
Lead sponsor
St. Francis Hospital, New York
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Sep 10, 2026, 12:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Dietary Salt on Post-exercise Hypotension

NCT03565653
View directory record Official record
Conditions
Blood Pressure, Post-Exercise Hypotension
Interventions
High dietary salt, Placebo
Other
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Sep 10, 2026, 12:44 PM EDT
Active, not recruiting Early Phase 1 Interventional

Modafinil and Cognitive Function in POTS

NCT01988883
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Placebo, Modafinil, Propranolol
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 10, 2026, 12:44 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Efficacy of L-NAME and Midodrine to Increase MAP

NCT00835224
View directory record Official record
Conditions
Orthostatic Hypotension, Spinal Cord Injury
Interventions
L-NAME, Midodrine, Placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2014 · Synced Sep 10, 2026, 12:44 PM EDT
Active, not recruiting Phase 1 Interventional

Reduction in Splanchnic Capacitance Contributes to Sympathetically Dependent Hypertension in Autonomic

NCT02726711
View directory record Official record
Conditions
Multiple System Atrophy, Orthostatic Hypotension, Supine Hypertension
Interventions
Trimethaphan, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
40 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 10, 2026, 12:44 PM EDT
Recruiting Not applicable Interventional

Auricular Vagal Nerve Stimulation for Hypermobile Ehlers-Danlos Syndrome

NCT05212129
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 10, 2026, 12:44 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Continuous vs Aerobic Postexercise Hypotension

NCT03313375
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 Sep 10, 2026, 12:44 PM EDT
Completed Not applicable Interventional Results available

Effect of Exercise in OI

NCT00770484
View directory record Official record
Conditions
Orthostatic Intolerance, Postural Tachycardia Syndrome
Interventions
Propranolol then Placebo, Placebo then Propranolol
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 4, 2016 · Synced Sep 10, 2026, 12:44 PM EDT
Completed Phase 4 Interventional Results available

Study to Assess the Benefit of Midodrine in the Treatment of Patients With Neurogenic Orthostatic Hypotension

NCT00555880
View directory record Official record
Conditions
Hypotension, Orthostatic
Interventions
Midodrine hydrochloride, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
19 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
11
States / cities
Fort Wayne, Indiana • Boston, Massachusetts • Ann Arbor, Michigan + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2021 · Synced Sep 10, 2026, 12:44 PM EDT
Completed Not applicable Interventional

Remote Self-training Program for Patients With Postural Orthostatic Tachycardia Syndrome

NCT04603157
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
Hybrid Exercise Training
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Sep 10, 2026, 12:44 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Treatment of Orthostatic Intolerance in Patients With Parkinson's Disease Using Midodrine

NCT02365012
View directory record Official record
Conditions
Orthostatic Intolerance, Parkinson's Disease
Interventions
Midodrine
Drug
Lead sponsor
Corporal Michael J. Crescenz VA Medical Center
Federal
Eligibility
22 Years to 89 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Sep 10, 2026, 12:44 PM EDT
Not listed Phase 4 Interventional

Assessment of Midodrine in the Prevention of Vasovagal Syncope: The Prevention of Syncope Trial IV

NCT01456481
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Sep 10, 2026, 12:44 PM EDT
Terminated Not applicable Interventional

Impedance Threshold Device Tilt Study

NCT00137319
View directory record Official record
Conditions
Orthostatic Hypotension
Interventions
Impedance threshold device
Device
Lead sponsor
United States Army Institute of Surgical Research
Federal
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2015 · Synced Sep 10, 2026, 12:44 PM EDT
Recruiting No phase listed Observational

Fainting Detection And Early Warning In Syncope Evaluation Study (ARISE)

NCT07502599
View directory record Official record
Conditions
Orthostatic Hypotension, Reflex Syncope
Interventions
Wearable holter monitor
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 10, 2026, 12:44 PM EDT
Completed No phase listed Observational

Data Collection - Of Syncope Tilt Table Testing Study

NCT03721393
View directory record Official record
Conditions
Orthostatic Hypotension, Reflex Syncope
Interventions
Wearable heart monitor
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Sep 10, 2026, 12:44 PM EDT
Completed Not applicable Interventional Results available

Orthostatic Hypotension Treatment on Rehab Unit

NCT01030874
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Sep 10, 2026, 12:44 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Iron Sucrose in Adolescents With Iron Deficiency and Postural Orthostatic Tachycardia Syndrome (POTS)

NCT01978535
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Sep 10, 2026, 12:44 PM EDT
Recruiting Not applicable Interventional

Blood Pressure Effects on Cognition and Brain Blood Flow in PD

NCT05400174
View directory record Official record
Conditions
Parkinson Disease, Orthostatic Hypotension, Dysautonomia
Interventions
Tilt table (upright position)
Diagnostic Test
Lead sponsor
University of California, San Diego
Other
Eligibility
50 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 10, 2026, 12:44 PM EDT
Recruiting No phase listed Observational

Aveir DR Real-World Evidence Post-Approval Study

NCT05935007
View directory record Official record
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir DR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,805 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 10, 2026, 12:44 PM EDT