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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Heart Catheterization Clear all
Withdrawn Phase 4 Interventional

Combined Use of Angiography, Optical Coherence Tomography and Intravascular Ultrasound in Evaluation of Pulmonary Vascular Structure and Function in Patients With Pulmonary Arterial Hypertension Treated With Oral Bosentan

NCT01508780
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
St Jude Medical C7 Dragonfly Optical Coherence Tomography (OCT), Boston Scientific Intravascular Ultrasound
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 12, 2014 · Synced Sep 16, 2026, 8:59 AM EDT
Recruiting No phase listed Observational

Deep Learning Detection of Pulmonary Hypertension and Low Ejection Fraction Via Digital Stethoscope and 3-Lead ECG

NCT07087613
View directory record Official record
Conditions
Hypertension, Pulmonary, Heart Failure With Reduced Ejection Fraction
Interventions
Eko CORE 500 Digital Stethoscope
Device
Lead sponsor
Eko Devices, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,850 participants
Timeline
2025 – 2027
U.S. locations
4
States / cities
O'Fallon, Illinois • Springfield, Illinois • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 16, 2026, 8:59 AM EDT
Active, not recruiting Not applicable Interventional

Predicting Pediatric Pulmonary Vein Stenosis Outcomes Using Data Acquired During a Cardiac Catheterization

NCT04696289
View directory record Official record
Conditions
Pulmonary Vein Stenosis
Interventions
Standardized catheterization assessment
Diagnostic Test
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 12 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 16, 2026, 8:59 AM EDT
Completed Phase 3 Interventional

Trial for Prevention of Contrast Nephropathy With Sodium Bicarbonate

NCT00312117
View directory record Official record
Conditions
Contrast Induced Nephropathy, Kidney Diseases
Interventions
Sodium bicarbonate
Drug
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
300 participants
Timeline
2006
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Sep 16, 2026, 8:59 AM EDT
Active, not recruiting No phase listed Observational

Trans-pulmonary Biomarkers in Pulmonary Hypertension

NCT01961232
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Sep 16, 2026, 8:59 AM EDT
Completed No phase listed Observational

Validation of MRI Measurement of Cardiac Blood Flow

NCT00417625
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 16, 2026, 8:59 AM EDT
Completed No phase listed Observational

Role of Podocan and Wnt Pathway Regulatory Molecules in Coronary Artery Disease

NCT02807714
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Not listed
Lead sponsor
Jennifer Victory, RN, CCRC
Other
Eligibility
18 Years and older
Enrollment
571 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Cooperstown, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Sep 16, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

The PRECISE Protocol: Prospective Randomized Trial of the Optimal Evaluation of Cardiac Symptoms and Revascularization

NCT03702244
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
cCTA with selective FFRct
Diagnostic Test
Lead sponsor
HeartFlow, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Lake Charles, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 28, 2023 · Synced Sep 16, 2026, 8:59 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Topical Radial Artery Vasodilation

NCT01155167
View directory record Official record
Conditions
Cardiac Catheterization, Spasm
Interventions
Nitroglycerin and lidocaine, Placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Sep 16, 2026, 8:59 AM EDT
Completed No phase listed Observational

Physiological Response of Cortisol to Cardiac Catheterization

NCT01822847
View directory record Official record
Conditions
Adrenal Insufficiency
Interventions
Not listed
Lead sponsor
Creighton University
Other
Eligibility
20 Years to 90 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 25, 2015 · Synced Sep 16, 2026, 8:59 AM EDT
Completed Not applicable Interventional

Catheter-Based Treatment of Cardiovascular Disease

NCT00380016
View directory record Official record
Conditions
Obstructive Coronary Artery Disease, Obstructive Peripheral Artery Disease, Structural Heart Disease
Interventions
Percutaneous Transluminal Angioplasty
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 16, 2026, 8:59 AM EDT
Completed Phase 4 Interventional

Comparison of Vasodilator Response of Inhaled Epoprostenol and Inhaled Nitric Oxide

NCT04231084
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Vasodilator testing (Inhaled Nitric Oxide), Vasodilator testing (Inhaled Epoprostenol)
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Sep 16, 2026, 8:59 AM EDT
Enrolling by invitation Not applicable Interventional

VINTAGE (Ventricular Intramyocardial Navigation for Tachycardia Ablation Guided by Electrograms) Using Commercial Off-The-Shelf (COTS) Catheters

NCT06940752
View directory record Official record
Conditions
Ventricular Arrhythmia
Interventions
VINTAGE (Ventricular Intramyocardial Navigation for Tachycardia Ablation Guided by Electrograms)
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Sep 16, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

Electrophysiological Effects of Late PCI After MI

NCT00119847
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Myocardial Infarction, Coronary Disease, Arrhythmia, Ventricular Fibrillation
Interventions
PCI, Optimal Medical Therapy
Procedure · Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Sep 16, 2026, 8:59 AM EDT
Enrolling by invitation No phase listed Observational

Investigation of Dysynchrony in Patients With Pulmonary Hypertension

NCT01571700
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Catheterization Pacing
Procedure
Lead sponsor
Stanford University
Other
Eligibility
5 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2029
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Sep 16, 2026, 8:59 AM EDT
Not listed No phase listed Observational

Impact of Atelectasis on RVEDP Following Orthotropic Heart Transplantation

NCT06140810
View directory record Official record
Conditions
Heart Transplant Failure, Anesthesia
Interventions
Lung Recruitment
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Sep 16, 2026, 8:59 AM EDT
Completed Phase 3 Interventional Results available

The Pharmacology and Hemodynamics of Dexmedetomidine in Children With Congenital Heart Disease

NCT00480740
View directory record Official record
Conditions
Cardiac Transplant, Patent Ductus Arterious, Atrial Septal Defect, Bidirectional Cavopulmonary Anastomosis
Interventions
Dexmedetomidine
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
Up to 18 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 25, 2015 · Synced Sep 16, 2026, 8:59 AM EDT
Active, not recruiting No phase listed Observational

GSI Cardiac on Revolution Apex - US

NCT06702917
View directory record Official record
Conditions
Coronary Computed Tomographic Angiography, Myocardial Infarction (MI), Cardiac Catheterization
Interventions
GSI Cardiac Scan, Standard of Care CCTA, Research CCTA
Device · Other
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 16, 2026, 8:59 AM EDT
Completed Phase 3 Interventional

Effect of a Real Time Radiation Monitoring Device on Radiation Exposure During Cardiac Catheterization

NCT01510353
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 3, 2014 · Synced Sep 16, 2026, 8:59 AM EDT
Completed Phase 3 Interventional Results available

GLobal Assessment of Plaque reGression With a PCSK9 antibOdy as Measured by intraVascular Ultrasound

NCT01813422
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
Evolocumab, Placebo
Biological · Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 99 Years
Enrollment
970 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
59
States / cities
Huntsville, Alabama • Mobile, Alabama • Little Rock, Arkansas + 54 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2019 · Synced Sep 16, 2026, 8:59 AM EDT
Completed No phase listed Observational

Quantification of Myocardial Blood Flow Using Dynamic PET/CTA Fused Imagery

NCT04221594
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Invasive Cardiac Catheterization (ICA), Coronary Computed Tomographic Angiogram (CCTA), Dynamic Cardiac Positron Emission Tomography (dPET)
Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
3
States / cities
Atlanta, Georgia • Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Oct 1, 2023 · Synced Sep 16, 2026, 8:59 AM EDT
Recruiting Not applicable Interventional

Breaking Fasts Ahead of Cardiac Caths

NCT06996639
View directory record Official record
Conditions
Stable Angina (SA), Unstable Angina (UA), NSTEMI - Non-ST Segment Elevation MI
Interventions
Non-Fasting, Fasting
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 16, 2026, 8:59 AM EDT
Completed No phase listed Observational

Pulmonary Hypertension Screening in Patients With Interstitial Lung Disease for Earlier Detection

NCT05776225
View directory record Official record
Conditions
Interstitial Lung Disease, Pulmonary Hypertension
Interventions
Right heart catheterization (RHC)
Procedure
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
42
States / cities
Phoenix, Arizona • Hartford, Connecticut • Lakeland, Florida + 38 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 16, 2026, 8:59 AM EDT
Not yet recruiting Not applicable Interventional

NHLBI SESAME (SEptal Scoring Along Midline Endocardium) Multi-Center Prospective Study Using Improvised Off-Label Devices

NCT07806149
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy, Left Ventricular Outflow Obstruction, Systolic Anterior Motion
Interventions
SESAME Procedure
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 100 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
8
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Sep 16, 2026, 8:59 AM EDT