Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 3, 2026, 5:34 PM EDT

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

Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: LBNP Clear all
Completed No phase listed Observational

Validation of Lower Body Negative Pressure (LBNP) Model of Human Hemorrhage in Trauma Patients

NCT01871909
View directory record Official record
Conditions
Physical Trauma
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
31 Days to 89 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
3
States / cities
Aurora, Colorado • Denver, Colorado • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Hypoglycemia and Autonomic Nervous System Function

NCT01816893
View directory record Official record
Conditions
Hypoglycemia
Interventions
Hypoglycemic hyperinsulinemic clamp, Euglycemic hyperinsulinemic clamp
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 1, 2018 · Synced Sep 3, 2026, 5:34 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Mechanisms of Muscle Blood Flow Dysregulation and Exercise Intolerance in Chronic Kidney Disease

NCT02664519
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Forearm exercise training
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Physiological Validation of Current Machine Learning Models for Hemodynamic Instability in Humans

NCT03927066
View directory record Official record
Conditions
Hypotension and Shock
Interventions
Assigned Interventions
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 30, 2023 · Synced Sep 3, 2026, 5:34 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

LBNP Tolerance With Skin Warming After Exercise Cold Stress

NCT06279897
View directory record Official record
Conditions
Blood Pressure, Blood Loss
Interventions
Skin Surface Rewarming, Skin Surface Warming, Skin Surface Heating, Skin Surface Cooling
Other
Lead sponsor
University of Colorado, Colorado Springs
Other
Eligibility
18 Years to 40 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 3, 2026, 5:34 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Sex Differences in Myocardial Steatosis Induced Left Ventricular Dysfunction

NCT04671966
View directory record Official record
Conditions
Heart Diseases, Left Ventricular Dysfunction
Interventions
Estradiol patch, Cetrotide, Fasting, Lower Body Negative Pressure
Drug · Other
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 30 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pulsatile Perfusion Therapy Phase II

NCT05983744
View directory record Official record
Conditions
Hemorrhage
Interventions
0 Hz Control, 0.1 Hz PPT, 0.05 Hz PPT
Other
Lead sponsor
Caroline Rickards
Other
Eligibility
18 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Aug 8, 2023 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Countermeasures for Visual Impairment in Astronauts

NCT05016414
View directory record Official record
Conditions
Space Flight Associated Neuro-ocular Syndrome
Interventions
Lower body negative pressure
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 7, 2021 · Synced Sep 3, 2026, 5:34 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

fMRI in Postural Tachycardia Syndrome

NCT04137757
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Lower Body Negative Pressure, Sham Pressure
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Phase 3 Interventional

Percutaneous Catheter Decompression in the Treatment of Elevated Intra-abdominal Pressure

NCT01230255
View directory record Official record
Conditions
Compartment Syndromes
Interventions
Percutaneous catheter drainage
Procedure
Lead sponsor
Orlando Regional Medical Center
Other
Eligibility
15 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 28, 2010 · Synced Sep 3, 2026, 5:34 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Noninvasive Monitor of Vascular Volume Fluid Shifts

NCT05080881
View directory record Official record
Conditions
Blood Loss
Interventions
phonocardiographic measurement: InnoVital Systems, phonocardiographic measurement: ThinkLabs StethOne, physiological measurements: BIOPAC, physiological measurements: Masimo Radical-7, physiological measurements: CoVa Monitoring System 2, Thoracic impedance
Diagnostic Test
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 49 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Sep 3, 2026, 5:34 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Brain Blood Vessel Responses to Changes in Blood Flow: Younger Cohort

NCT06629090
View directory record Official record
Conditions
Magnetic Resonance Imaging, Cerebrovascular Circulation
Interventions
MRI, Prazosin, Placebo
Device · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
20 Years to 40 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 3, 2026, 5:34 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Hemodynamics Monitoring During Lower Body Negative Pressure (LBNP) Induced Controlled Hypovolemia

NCT03592290
View directory record Official record
Conditions
Hypovolemia, Hemodynamic Instability
Interventions
Lower body negative pressure
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
20 Years to 45 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 3, 2026, 5:34 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Reducing Orthostatic Intolerance With Oral Rehydration in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Patients

NCT02854683
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 3, 2026, 5:34 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Blood Flow in Individuals With Down Syndrome

NCT03590665
View directory record Official record
Conditions
Down Syndrome
Interventions
Hand grip exercise and lower body negative pressure
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 45 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 14, 2019 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Carotid Doppler Ultrasound for the Measurement of Intravascular Volume Status

NCT02907931
View directory record Official record
Conditions
Hypotension, Sepsis
Interventions
Point of Care Ultrasound
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Sep 3, 2026, 5:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of an Algorithm for Prediction of Onset of Hemodynamic Instability in Humans

NCT00581204
View directory record Official record
Conditions
Hemorrhagic Shock
Interventions
Near-Infrared Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Measurement of Hemodynamic Responses to Lower Body Negative Pressure

NCT03582501
View directory record Official record
Conditions
Hypotension and Shock
Interventions
Lower body negative pressure
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Sep 3, 2026, 5:34 PM EDT
Terminated Not applicable Interventional

Comparing Intra-Abdominal Pressure During Gynecologic Laparoscopy

NCT07221487
View directory record Official record
Conditions
Gynecologic Surgical Procedures
Interventions
abdominal pressure
Procedure
Lead sponsor
Nassau University Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
East Meadow, New York
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Phase 4 Interventional Results available

Comparison of Nebivolol and Metoprolol With Exercise and Angiotensin II in Hypertensive Patients

NCT01502787
View directory record Official record
Conditions
Hypertension
Interventions
Metoprolol succinate, Nebivolol, Forearm blood flow, Microneurography, Rhythmic handgrip exercise, Lower body negative pressure, Angiotensin II
Drug · Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 6, 2020 · Synced Sep 3, 2026, 5:34 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

The Study of Skeletal Muscle Blood Flow in Becker Muscular Dystrophy

NCT02653833
View directory record Official record
Conditions
Muscular Dystrophy
Interventions
Tadalafil 20 MG, beetroot juice extract
Drug · Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Sep 3, 2026, 5:34 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Age, Sex and Isometric Exercise on Ventricular-Vascular Interactions During Cardiac Unloading

NCT06939153
View directory record Official record
Conditions
Orthostatic Intolerance
Interventions
LBNP, LBNP + Isometric handgrip exercise
Other
Lead sponsor
Tracy Baynard
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 3, 2026, 5:34 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Brain Blood Vessel Responses to Changes in Blood Flow

NCT06629077
View directory record Official record
Conditions
Magnetic Resonance Imaging, Cerebrovascular Circulation
Interventions
MRI, Prazosin, Placebo
Device · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
55 Years to 69 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 3, 2026, 5:34 PM EDT