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ClinicalTrials.gov public records Last synced Jun 26, 2026, 6:49 PM EDT

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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
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Conditions
PAH, Pulmonary Hypertension, Pulmonary Arterial Hypertension, Hypertension, Connective Tissue Diseases, Familial Primary Pulmonary Hypertension, Vascular Diseases, Cardiovascular Diseases, Hypertension, Pulmonary, Lung Diseases, Respiratory Tract Disease
Interventions
Ralinepag
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
48
States / cities
Phoenix, Arizona • Tucson, Arizona • La Jolla, California + 38 more
Conditions
Pulmonary Arterial Hypertension, Insulin Resistance
Interventions
Nutrition and Exercise
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Pulmonary Hypertension, Valvular Heart Disease, Congenital Heart Disease, Congestive Heart Failure, Pulmonary Embolism, Acute Coronary Syndrome
Interventions
Measuring Right Ventricular Size and Function
Diagnostic Test
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Lebanon, New Hampshire
Not yet recruiting Not applicable Interventional

Effect of PEEP on Cardiac Function

NCT07531602
Conditions
Cardiac Surgery Subjects
Interventions
EIT Guided PEEP Trial
Procedure
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Sleep Apnea, Obstructive, Hypoxia, Hypercapnia, Sleep Disorders, Obesity, Hypertension, Coronary Artery Vasospasm, Right Ventricular Overload, Left Ventricular Function Systolic Dysfunction, Ventricular Hypertrophy
Interventions
Clinically prescribed CPAP therapy
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 50 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
PAH
Interventions
CXA-10
Drug
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Anaheim, California + 27 more
Conditions
Pulmonary Embolism
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
935 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
6
States / cities
San Diego, California • Newark, Delaware • Orlando, Florida + 3 more
Conditions
Left Branch Bundle Block, RV - Right Ventricular Abnormality
Interventions
Pacemaker Interrogation and Electrocardiogram (ECG):, Cardiopulmonary Exercise Test (CPET) and Exercise Stress Cardiac Magnetic Resonance (ExeCMR, Continuous pacemaker telemetry (CPT)
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
ARDS, Human, Lung Injury, Acute, Respiratory Distress Syndrome, Mechanical Ventilation Complication, Alveolar Edema, Right Heart Failure, Right Ventricular Dysfunction
Interventions
PEEP ARDSnet, PEEP LRM
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
PAH, Pulmonary Hypertension, Pulmonary Arterial Hypertension, Hypertension, Connective Tissue Diseases, Familial Primary Pulmonary Hypertension, Vascular Diseases, Cardiovascular Diseases, Hypertension, Pulmonary, Lung Diseases, Respiratory Tract Disease
Interventions
Ralinepag, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
687 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
68
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 50 more
Conditions
Pulmonary Arterial Hypertension
Interventions
Ambrisentan plus Spironolactone, Ambrisentan plus Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Results available

TEE 3D RV Assessment for SAVR, Mini AVR, and TAVR

NCT05804240
Conditions
Right Ventricular Dysfunction
Interventions
3D TEE RVEF
Diagnostic Test
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Ventricular Function, Right
Interventions
Concurrent TTE and TEE
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 90 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Pulmonary Arterial Hypertension
Interventions
Blood Sampling, Cardiac MRI
Procedure · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Heart Failure, Pulmonary Hypertension
Interventions
Exercise Training
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Acute on Chronic Systolic Congestive Heart Failure, Cardiorenal Syndrome
Interventions
Selective Cytopheretic Device
Device
Lead sponsor
SeaStar Medical
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Heart Failure
Interventions
Cardiac Resynchronization Therapy
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Louisville, Kentucky
Conditions
Heart Failure, Athletes Heart
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
80 participants
Timeline
2020 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Active, not recruiting Not applicable Interventional

The Boston Pace Study

NCT05869500
Conditions
Left Bundle Branch Area Pacing
Interventions
Left Bundle Branch Area Pacemaker, Right Ventricular Pacemaker
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts
Recruiting No phase listed Observational Accepts healthy volunteers

Natural History Study of Biomarkers in Pulmonary Arterial Hypertension

NCT01730092
Conditions
Pulmonary Disease, Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Pulmonary Hypertension
Interventions
11C-acetate, [18F]Fluoro-2-deoxy-2-D-glucose, Cardiac MRI
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Right Ventricular Dysfunction, Hypoxia
Interventions
Ferrous sulfate 325mg
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2028 – 2030
U.S. locations
1
States / cities
Aurora, Colorado
Completed No phase listed Observational Accepts healthy volunteers

Pediatric Ventricle Function Assessment Study

NCT06739057
Conditions
RV - Right Ventricular Abnormality, LV Dysfunction, Pulmonary Hypertension, TOF
Interventions
Not listed
Lead sponsor
HBI Solutions Inc.
Industry
Eligibility
Up to 18 Years
Enrollment
3,993 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Infant,Premature
Interventions
Pulmonary Function Testing, Electrocardiogram, Cardiac Magnetic Resonance Imaging, Metoprolol, Sildenafil
Procedure · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin