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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Orthostatic stress testing Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Chemoreflex and Baroreflex Alterations Causing Postural Tachycardia Syndrome With Orthostatic Hyperpnea and Hypocapnia

NCT05923840
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Sep 8, 2026, 6:53 AM EDT
Completed Phase 1 Interventional

The Pathophysiology of Orthostatic Hypotension

NCT00748059
View directory record Official record
Conditions
Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
Interventions
Standing or upright tilt, Microneurography, QSweat, neck cuff stimulation, phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine, clonidine,yohimbine,metoclopramide,alpha-methyldopa, BodPod, Eye exam, Sleep study, Pain response testing, Metabolic chamber, Brain function studies, Bicycle Exercise Test
Procedure · Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
12 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced Sep 8, 2026, 6:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

High Resolution Phenotyping in Healthy Humans

NCT00943774
View directory record Official record
Conditions
Pressor Response, Baroreflex Sensitivity, Blood Pressure Variability, Heart Rate Variability, Arterial Catecholamines
Interventions
Physiological maneuvers
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 50 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 5, 2016 · Synced Sep 8, 2026, 6:53 AM EDT
Completed Not applicable Interventional Results available

Nutrition and Aerobic Exercise in Chronic Stroke

NCT02043574
View directory record Official record
Conditions
Stroke
Interventions
Treadmill Exercise, Stretching (control)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Sep 8, 2026, 6:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

START & STOPP in GWI

NCT03560830
View directory record Official record
Conditions
Gulf War Syndrome
Interventions
2 submaximal exercise stress tests
Other
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Sep 8, 2026, 6:53 AM EDT
Completed Not applicable Interventional Results available

Community-Based Detection and Treatment of Peripheral Arterial Disease in Hispanics.

NCT01440634
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Supervised exercise Program
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
70 Years and older
Enrollment
347 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 28, 2015 · Synced Sep 8, 2026, 6:53 AM EDT
Active, not recruiting Not applicable Interventional

Intravenous (IV) Saline and Exercise in Postural Tachycardia Syndrome (POTS)

NCT01000350
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Saline, Placebo
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Sep 8, 2026, 6:53 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Heat Therapy and Muscle Function Study

NCT04733287
View directory record Official record
Conditions
Exercise Intolerance, Aging, Heat Therapy, High Intensity Interval Training
Interventions
High Intensity Interval Training of the Knee Extensors, Muscle Heat Therapy, Muscle Disuse, Sham Heat Therapy
Other
Lead sponsor
Brigham Young University
Other
Eligibility
18 Years to 95 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Sep 8, 2026, 6:53 AM EDT
Completed Not applicable Interventional

Identifying Stress Urinary Incontinence in Women With Pelvic Organ Prolapse

NCT03005977
View directory record Official record
Conditions
Stress Urinary Incontinence, Pelvic Organ Prolapse
Interventions
Urodynamics
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Sep 8, 2026, 6:53 AM EDT
Active, not recruiting Not applicable Interventional

Activating Spinal Circuits to Improve Walking, Balance, Strength, and Reduce Spasticity

NCT05429736
View directory record Official record
Conditions
Incomplete Spinal Cord Injury, Spasticity, Muscle
Interventions
Motor Skill Training (MST), Transcutaneous Spinal Stimulation (TSS)
Behavioral · Device
Lead sponsor
Shepherd Center, Atlanta GA
Other
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 8, 2026, 6:53 AM EDT
Not listed Not applicable Interventional

Importance of Patient Positioning at Cough Test When Considering Success Following Sling Procedures

NCT03120117
View directory record Official record
Conditions
Stress Urinary Incontinence
Interventions
Cough Test following Sling Surgery
Procedure
Lead sponsor
Michigan Institution of Women's Health PC
Other
Eligibility
21 Years to 89 Years · Female only
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Dearborn, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Sep 8, 2026, 6:53 AM EDT
Recruiting Not applicable Interventional

The Effect of Transcutaneous Stimulation on Blood Pressure in Spinal Cord Injury (SCI)

NCT05725499
View directory record Official record
Conditions
Spinal Cord Injuries, Hypotension, Orthostatic Hypotension, Spinal Cord Diseases, Cardiovascular Diseases, Trauma, Nervous System, Central Nervous System Diseases, Nervous System Diseases, Blood Pressure
Interventions
Biostim-5 transcutaneous spinal stimulator, Tilt-table orthostatic stress testing
Device · Diagnostic Test
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Sep 8, 2026, 6:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Autonomic Nervous System and Chronic Fatigue Syndrome

NCT00580619
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 17, 2017 · Synced Sep 8, 2026, 6:53 AM EDT
Recruiting No phase listed Observational

Understanding the Effects of Pulmonary Arterial Hypertension on Lean Muscle Mass

NCT07132788
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
blood draw, Short Performance Physical Battery, Grip strength test, Six minute walk test, Chest CT scan, Dual-Energy X-ray Absorptiometry Scan, Activity monitoring, 24 hour diet recall, Echocardiogram, Quality of Life Questionnaire (emPHasis 10), International Physical Activity Questionnaire Short Form (IPAQ-SF)
Diagnostic Test · Radiation · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 8, 2026, 6:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhancing Corticospinal Activation for Improved Walking Function

NCT03237234
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Motor Skill Training, Transcranial direct current stimulation (tDCS)
Other · Device
Lead sponsor
Shepherd Center, Atlanta GA
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced Sep 8, 2026, 6:53 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Autoimmune Basis for Postural Tachycardia Syndrome

NCT02725060
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Sep 8, 2026, 6:53 AM EDT