Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 17, 2026, 1:14 PM EDT

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Showing 25–48 of 350 matching trials from the live ClinicalTrials.gov search.
Conditions
Heart Failure
Interventions
Observational
Device
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
12
States / cities
La Jolla, California • Bloomington, Indiana • Kansas City, Kansas + 9 more
Conditions
Exercise Tolerance, Dyspnea, Heart Failure, Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Cyanotic Congenital Heart Disease, Anemia, Cyanosis, Congenital Heart Disease
Interventions
Epoetin Alfa and Iron, Iron
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
Up to 8 Weeks
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Diego, California
Conditions
Pulmonary Arterial Hypertension
Interventions
Therapeutic Intra-Vascular UltraSound (TIVUS™) System
Device
Lead sponsor
SoniVie Inc.
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
4
States / cities
San Diego, California • Ann Arbor, Michigan • New York, New York + 1 more
Conditions
Radiation Monitoring, Radiation Protection
Interventions
Radiation monitoring device
Device
Lead sponsor
North Texas Veterans Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
505 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Dallas, Texas
Active, not recruiting Not applicable Interventional

Precise Procedural and PCI Plan (P4)

NCT05253677
Conditions
Coronary Artery Disease
Interventions
CT-guided PCI, IVUS-guided PCI
Device
Lead sponsor
CoreAalst BV
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,090 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Los Angeles, California • Minneapolis, Minnesota • Roslyn, New York
Active, not recruiting No phase listed Observational

Trans-pulmonary Biomarkers in Pulmonary Hypertension

NCT01961232
Conditions
Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Recruiting No phase listed Observational Accepts healthy volunteers

Cholate Clearance in Fontan and Heart Failure

NCT07009132
Conditions
Fontan, Right Heart Failure
Interventions
Dual cholate clearance assay, MRI
Device · Radiation
Lead sponsor
HepQuant, LLC
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Withdrawn No phase listed Observational

Cath Lab Performance Improvement

NCT00277966
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 21 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Heart Failure, Heart Failure NYHA Class III, Heart Failure With Reduced Ejection Fraction, Ambulatory Heart Failure, NYHA Class IV
Interventions
PAS-C System
Device
Lead sponsor
InterShunt Technologies, Inc.
Industry
Eligibility
40 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
6
States / cities
Jonesboro, Arkansas • Thousand Oaks, California • Indianapolis, Indiana + 3 more
Conditions
Cardiovascular Disease
Interventions
Model 7600 Regional Oximeter System
Device
Lead sponsor
Nonin Medical, Inc
Industry
Eligibility
Up to 12 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
Stanford, California • Chicago, Illinois • Cincinnati, Ohio
Conditions
Chronic Thromboembolic Disease (CTED), Exercise Intolerance Post PEA Surgery
Interventions
Adempas
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Not yet recruiting Not applicable Interventional

Cardiac Anodal Biphasic Pacing

NCT07173777
Conditions
Cardiac Pacing
Interventions
Cardiac Waveform Generator
Device
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Chest Pain, Acute Coronary Syndrome, Acute Myocardial Infarction, Coronary Artery Disease
Interventions
CT Coronary Angiography (CTCA), Traditional Strategy
Diagnostic Test · Procedure
Lead sponsor
American College of Radiology
Other
Eligibility
30 Years and older
Enrollment
1,392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
5
States / cities
Winston-Salem, North Carolina • Hershey, Pennsylvania • Philadelphia, Pennsylvania + 1 more
Conditions
Cardiac Catheterization, Radiation Exposure
Interventions
ControlRad System, Without ControlRad System
Radiation
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Royal Oak, Michigan
Conditions
Secondary Pulmonary Arterial Hypertension
Interventions
Heart Catheterization
Procedure
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Indication for PICC Placement
Interventions
Chest X-ray, Sherlock 3CG® TCS, Peripherally Inserted Central Catheter (PICC)
Device · Procedure
Lead sponsor
C. R. Bard
Industry
Eligibility
22 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
4
States / cities
Maitland, Florida • Baltimore, Maryland • Salisbury, Maryland + 1 more
Conditions
Heart Disease, Heart Failure With Preserved Ejection Fraction, Exercise Intolerance, Pulmonary Hypertension
Interventions
Nitrite, Saline Placebo for Nitrite
Drug
Lead sponsor
Barry Borlaug
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Sinus Bradycardia, Atrioventricular Block
Interventions
Adenosine, Cardiac catheterization
Drug · Procedure
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 25 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational

Cardiac MRI in Pulmonary Hypertension

NCT02485977
Conditions
Pulmonary Hypertension
Interventions
Magnetic resonance Imaging
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Francisco, California
Not listed No phase listed Observational

APPEND-CT Registry

NCT06213285
Conditions
Stroke, Ischemic, Device Related Thrombosis, Atrial Fibrillation
Interventions
Watchman FLX left atrial appendage occlusion
Device
Lead sponsor
Aarhus University Hospital
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Timeline
2024 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Tetralogy of Fallot
Interventions
PVR
Procedure
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
13 Years to 21 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Chicago, Illinois + 2 more
Conditions
Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Coronary Artery Disease, Endothelial Dysfunction
Interventions
Music therapy
Other
Lead sponsor
Emmanouil Brilakis
Federal
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Dallas, Texas