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ClinicalTrials.gov public records Last synced Oct 18, 2026, 3:38 AM EDT

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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Increased venous pressure Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

The Venous Distension Reflex and Orthostatic Hypertension

NCT03496792
View directory record Official record
Conditions
Blood Pressure
Interventions
Tilt + external pressure, Tilt + no external pressure., Limb occlusion + negative pressure, Limb occlusion + no negative pressure
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Not applicable Interventional

3D Sonographic Measurement of Volumetric Flow in Transjugular Intrahepatic Porto-Systemic Shunts

NCT02046473
View directory record Official record
Conditions
Portal Hypertension, Liver Disease
Interventions
Volumetric Flow in TIPS
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 10, 2016 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Phase 2 Interventional Results available

Hemodynamics and Extravascular Lung Water in Acute Lung Injury

NCT00624650
View directory record Official record
Conditions
Acute Lung Injury
Interventions
Diuresis (furosemide) part I, Fluid Bolus (crystalloid or albumin), Vasopressors (Norepinephrine, Vasopressin, Phenylephrine, Epinephrine), Dobutamine, Concentrate all drips and nutrition, Diuresis (furosemide) part II, Dialysis
Drug · Other · Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
3
States / cities
Clackamas, Oregon • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Not applicable Interventional

Effects of Head Elevation on Intracranial Pressure in Children

NCT00636376
View directory record Official record
Conditions
Head Injury
Interventions
Place HOB in alternate positions from 0-50 degrees.
Procedure
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Up to 18 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 21, 2008 · Synced Oct 18, 2026, 3:38 AM EDT
Terminated Phase 2 Interventional Results available

A Study to Test Whether Two Different Doses of Avenciguat Help People With Liver Cirrhosis and High Blood Pressure in the Portal Vein (Main Vessel Going to the Liver)

NCT05161481
View directory record Official record
Conditions
Hypertension, Portal
Interventions
Avenciguat (BI 685509), Placebo matching Avenciguat (BI 685509)
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
6
States / cities
Pasadena, California • Rialto, California • Miami Lakes, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Oct 18, 2026, 3:38 AM EDT
Active, not recruiting Phase 4 Interventional

Liraglutide Effect in Atrial Fibrillation

NCT03856632
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Liraglutide, RFM, Anti Arrhythmics, Afib Catheter Ablation
Drug · Other · Procedure
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 18, 2026, 3:38 AM EDT
Terminated Phase 2 Interventional Results available

Long-term Extension Study of the Safety and Pharmacokinetics of QCC374 in PAH Patients

NCT02939599
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
QCC374
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Oct 18, 2026, 3:38 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Project 4A: Inspiratory Muscle Training and Diaphragm Strength

NCT02367170
View directory record Official record
Conditions
Sepsis
Interventions
Bilateral phrenic nerve stimulation and measurement of transdiaphragmatic pressure, Midazolam, Volitional Measurement of Maximal Inspiratory Pressure (MIP), Inspiratory Muscle Strength Training (IMST), SHAM Inspiratory Muscle Strength Training (IMST), Diaphragm thickness measurement, Blood and Urine samples
Procedure · Drug · Device + 1 more
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Oct 18, 2026, 3:38 AM EDT
Withdrawn Not applicable Interventional

Diagnostic Utility of Amyl Nitrite in Patients With Suspected Achalasia Undergoing High Resolution Esophageal Manometry (HREM)

NCT02428959
View directory record Official record
Conditions
Dysphagia, Achalasia
Interventions
Amyl Nitrite
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Oct 18, 2026, 3:38 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Vascular Dysfunction in Hypertensive Postmenopausal Women

NCT03371823
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension
Interventions
Normotensive, Hypertensives
Other · Drug
Lead sponsor
University of Delaware
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Oct 18, 2026, 3:38 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Neural Mechanism of Aldosterone-induced Insulin Resistance

NCT02102243
View directory record Official record
Conditions
Hypertension
Interventions
DEFINITY® infusion, Human Recombinant Regular Insulin infusion, Dextrose infusion, Flow mediated vasodilation, Endothelial cell collection, Microvascular perfusion assessment using Definity, Microneurography
Drug · Procedure
Lead sponsor
Wanpen Vongpatanasin
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determining the Dose Response Profile of the Headward Fluid Shift During Varying Gravity Levels

NCT06500338
View directory record Official record
Conditions
Healthy
Interventions
free-fall
Procedure
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
25 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 18, 2026, 3:38 AM EDT
Completed No phase listed Observational

Catheter Resistance Monitoring to Predict Catheter-Associated Adverse Events in Children and Adolescents

NCT01737554
View directory record Official record
Conditions
Cancer, Hematologic Disorders
Interventions
Catheter Resistance Monitoring
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
5 Years to 24 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 21, 2016 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Not applicable Interventional

Rhythm Control and Potential Early Surgery for Tricuspid Regurgitation

NCT05045079
View directory record Official record
Conditions
Severe Tricuspid Valve Regurgitation (Disorder)
Interventions
Inferior Vena Caval (IVC) Occlusion maneuver
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Not applicable Interventional

Measuring and Treating Brain Oxygen Levels in Open Heart Surgery

NCT01539382
View directory record Official record
Conditions
Cardiac Surgery
Interventions
Cerebral oxygenation intervention
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2015 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Abdominal Compression Elastic Support (ACES)

NCT02159625
View directory record Official record
Conditions
Intradialytic Hypotension
Interventions
Abdominal Compression Elastic Support
Device
Lead sponsor
Global Monitors, Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 10, 2016 · Synced Oct 18, 2026, 3:38 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Passive Leg Raising in Term Pregnancy on Hemodynamic Monitoring - Validating With Transthoracic ECHO (LG-ECHO)

NCT07253818
View directory record Official record
Conditions
Maternity, Pregnancy, Labor and Delivery, Hemodynamic Changes
Interventions
ClearSight™ System, Transthoracic Echocardiography, Passive Leg Raising (PLR) Maneuver
Device · Procedure
Lead sponsor
Ayse Zeynep Turan Civraz
Government
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Phase 2 Interventional Results available

A Dose Response Trial Using 5 and 10 Mg of Midodrine Hydrochloride

NCT00426842
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 10, 2016 · Synced Oct 18, 2026, 3:38 AM EDT
Terminated Not applicable Interventional Results available

Cerebral Oximetry in Single Lung Ventilation Thoracic Surgery

NCT01866657
View directory record Official record
Conditions
Hypoxia
Interventions
Vasoconstrictor Agents, Head/neck repositioning, Increase ETCO2, IV fluid bolus, Additional anesthesia, RBC transfusion, Increase FiO2
Drug · Other · Biological
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
65 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 5, 2022 · Synced Oct 18, 2026, 3:38 AM EDT
Not listed Phase 2 Interventional

Comparison of Redo PVI With vs. Without Renal Denervation for Recurrent AF After Initial PVI

NCT01959997
View directory record Official record
Conditions
Atrial Fibrillation, Arterial Hypertension
Interventions
Redo PVI, PVI + RDN
Procedure
Lead sponsor
Meshalkin Research Institute of Pathology of Circulation
Network
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Early Phase 1 Interventional

Effect of Changing Physiological Conditions on Myogenic Oscillations: Pilot Study

NCT03719001
View directory record Official record
Conditions
Vascular Diseases
Interventions
Phenylephrine, Dexmedetomidine, Clevidipine, tetanic stimulus, Increased venous pressure, Calcium Chloride
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2022 · Synced Oct 18, 2026, 3:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Tapping in the Venous Dilatation for Peripheral IV Access

NCT05265481
View directory record Official record
Conditions
Catheterization, Peripheral, Venous Dilatation
Interventions
Tourniquet, Manual Tapping, Device tapping
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Oct 18, 2026, 3:38 AM EDT
Terminated Phase 2 Interventional Results available

Safety, Pharmacokinetics and Efficacy Study of QCC374 in PAH Patients

NCT02927366
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
QCC374, Placebo Matching
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Oct 18, 2026, 3:38 AM EDT
Terminated Phase 2 Interventional Results available

A Study to Test Whether Avenciguat Helps People With Liver Cirrhosis and High Blood Pressure in the Portal Vein (Main Vessel Going to the Liver) Who Had Bleeding in the Esophagus or Fluid Accumulation in the Belly

NCT06082843
View directory record Official record
Conditions
Hypertension, Portal, Liver Cirrhosis
Interventions
Placebo, Avenciguat
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
2
States / cities
Pasadena, California • Rialto, California
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Oct 18, 2026, 3:38 AM EDT