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ClinicalTrials.gov public records Last synced Oct 22, 2026, 12:06 PM EDT

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Showing 49–72 of 77 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Septal Defect, Heart Clear all
Terminated Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of IV L-Citrulline for the Prevention of Clinical Sequelae of Acute Lung Injury Induced by Cardiopulmonary Bypass in Pediatric Patients Undergoing Surgery for Congenital Heart Defects

NCT05253209
View directory record Official record
Conditions
Ventricular Septal Defect, Atrioventricular Septal Defect, Primum Atrial Septal Defect
Interventions
L-citrulline, Plasmalyte A
Drug
Lead sponsor
Asklepion Pharmaceuticals, LLC
Industry
Eligibility
Up to 18 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
10
States / cities
Birmingham, Alabama • Aurora, Colorado • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 22, 2026, 12:06 PM EDT
Active, not recruiting Not applicable Interventional

Safety and Efficacy Study of reSept ASD Occluder for Treating Secundum ASD

NCT04591392
View directory record Official record
Conditions
Heart Septal Defect, Heart Septal Defects, Atrial, Heart Defects, Congenital, Cardiovascular Abnormalities, Cardiovascular Diseases, Heart Diseases, Congenital Abnormalities
Interventions
reSept ASD Occluder
Device
Lead sponsor
atHeart Medical
Industry
Eligibility
Up to 84 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2032
U.S. locations
24
States / cities
Birmingham, Alabama • Los Angeles, California • Thousand Oaks, California + 21 more
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Oct 22, 2026, 12:06 PM EDT
Recruiting No phase listed Observational

Non-Invasive Detection of Right-to-Left Cardiac Shunts

NCT07420400
View directory record Official record
Conditions
Patent Foramen Ovale (PFO)
Interventions
Point-of-care ultrasound
Diagnostic Test
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 22, 2026, 12:06 PM EDT
Completed Not applicable Interventional Results available

Closure of Muscular Ventricular Septal Defects With The AMPLATZER™ Muscular VSD Occluder

NCT00583791
View directory record Official record
Conditions
Heart Septal Defects, Ventricular
Interventions
Device closure with the AMPLATZER Muscular VSD Occluder
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
11
States / cities
Denver, Colorado • Orlando, Florida • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2019 · Synced Oct 22, 2026, 12:06 PM EDT
Withdrawn Not applicable Interventional

Clinical Impact of Rapid Prototyping 3D Models for Surgical Management

NCT04788082
View directory record Official record
Conditions
Double Outlet Right Ventricle, Transposition of the Great Arteries, Truncus Arteriosus, Congenitally Corrected Transposition of the Great Arteries
Interventions
3D Printed Heart Model
Diagnostic Test
Lead sponsor
Children's National Research Institute
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
3
States / cities
Phoenix, Arizona • Washington D.C., District of Columbia • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Oct 22, 2026, 12:06 PM EDT
Completed Not applicable Interventional

Acetaminophen for Oxidative Stress After Cardiopulmonary Bypass

NCT01228305
View directory record Official record
Conditions
Congenital Heart Disease, Cardiopulmonary Bypass
Interventions
Acetaminophen
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
1 Day to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 21, 2017 · Synced Oct 22, 2026, 12:06 PM EDT
Terminated Phase 3 Interventional

Cardiox Shunt Detection Technology Study

NCT01333761
View directory record Official record
Conditions
Patent Foramen Ovale
Interventions
Cardiox FDS
Device
Lead sponsor
Cardiox Corporation
Industry
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
7
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2013 · Synced Oct 22, 2026, 12:06 PM EDT
Recruiting Not applicable Interventional

MASA Valve Early Feasibility Study

NCT05452720
View directory record Official record
Conditions
Tetrology of Fallot, Pulmonary Stenosis, Truncus Arteriosus, Transposition of Great Vessels, Pulmonary Atresia, Ross Procedure
Interventions
Surgical Right Ventricular Outflow Tract Reconstruction
Device
Lead sponsor
PECA Labs
Industry
Eligibility
0 Years to 22 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
5
States / cities
Peoria, Illinois • Boston, Massachusetts • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Oct 22, 2026, 12:06 PM EDT
Not listed No phase listed Observational

International PFO Consortium

NCT00859885
View directory record Official record
Conditions
Stroke, Transient Ischemic Attack
Interventions
Antithrombotic treatment, percutaneous device closure of PFO
Drug · Device
Lead sponsor
Insel Gruppe AG, University Hospital Bern
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2021
U.S. locations
3
States / cities
Boston, Massachusetts • Springfield, Massachusetts • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Oct 22, 2026, 12:06 PM EDT
Completed Phase 2 Interventional Results available

Measures to Lower the Stress Response in Pediatric Cardiac Surgery

NCT00848393
View directory record Official record
Conditions
Tetralogy of Fallot (TOF), Ventricular Septal Defects (VSD), Atrioventricular Septal Defects (AVSD)
Interventions
Fentanyl (High Dose), Fentanyl (Low Dose), Fentanyl (Low Dose) + Dexmedetomidine
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
1 Month to 3 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2018 · Synced Oct 22, 2026, 12:06 PM EDT
Not listed Not applicable Interventional

Does Patent Foramen Ovale Closure Improve Exercise Capacity & Prevent Blood Flow Through Intrapulmonary Shunt

NCT03904290
View directory record Official record
Conditions
Patent Foramen Ovale
Interventions
PFO Closure
Other
Lead sponsor
University of Oregon
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 1, 2024 · Synced Oct 22, 2026, 12:06 PM EDT
Active, not recruiting Not applicable Interventional

Comparing PFO Outcomes of the Occlutech Flex II PFO Occluder to Standard of Care PFO Occlusion

NCT05069558
View directory record Official record
Conditions
Stroke, Patent Foramen Ovale, PFO
Interventions
Investigational PFO Closure Device, Standard of Care PFO Closure Device
Device
Lead sponsor
Occlutech International AB
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
27
States / cities
Phoenix, Arizona • Stanford, California • Thousand Oaks, California + 20 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 12:06 PM EDT
Recruiting Phase 1 Interventional

Beta-blocker Administration for Cardiomyocyte Division

NCT04713657
View directory record Official record
Conditions
Tetralogy of Fallot, Double Outlet Right Ventricle
Interventions
N-thymidine, Urine Collection, Echocardiogram, Cardiac MRI (CMR), Propranolol Hydrochloride, Placebo, Physical Exam, Specimen Collection
Other · Procedure · Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
30 Days to 60 Days
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
3
States / cities
New York, New York • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 22, 2026, 12:06 PM EDT
Terminated No phase listed Observational

Surgical Outcomes in Pediatric Patients With Coarctation and VSD

NCT00327795
View directory record Official record
Conditions
Diagnosis of Coarctation of the Aorta and VSD, Surgical Repair at CHOA, Between January 1, 2002 and December 31, 2005
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Not listed
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 16, 2012 · Synced Oct 22, 2026, 12:06 PM EDT
Recruiting Not applicable Interventional

GORE® CARDIOFORM Septal Occluder and Antiplatelet Medical Management for Reduction of Recurrent Stroke in Patients With Patent Foramen Ovale (PFO): the REDUCE Post Approval Study

NCT03821129
View directory record Official record
Conditions
Stroke, PFO - Patent Foramen Ovale
Interventions
PFO closure with GORE® CARDIOFORM Septal Occluder
Device
Lead sponsor
W.L.Gore & Associates
Industry
Eligibility
18 Years to 70 Years
Enrollment
636 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2031
U.S. locations
45
States / cities
Tucson, Arizona • La Jolla, California • Loma Linda, California + 39 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 22, 2026, 12:06 PM EDT
Recruiting No phase listed Observational

Pulmonary Embolism and Right-to-Left Shunts

NCT07519876
View directory record Official record
Conditions
Pulmonary Embolism (PE), Right-to-Left Shunt, Stroke, Atrial Septal Defects, Patent Foramen Ovale (PFO), Pulmonary Arteriovenous Malformation
Interventions
Not listed
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 22, 2026, 12:06 PM EDT
Recruiting Phase 3 Interventional

Migraine Headaches Elimination With Patent Foramen Ovale-Directed Therapy

NCT07629635
View directory record Official record
Conditions
Migraine Disease, Patent Foramen Ovale
Interventions
Prasugrel 5mg, Transcatheter Closure of Patent Foramen Ovale
Drug · Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 22, 2026, 12:06 PM EDT
Active, not recruiting Phase 2 Interventional

Optical Tissue Identification for Myocardial Architecture

NCT04017975
View directory record Official record
Conditions
Ventricular Septal Defect, Complete Atrioventricular Canal, Tetralogy of Fallot With Pulmonary Stenosis
Interventions
Fluorescite, Cellvizio 100 Series System with Confocal Miniprobes
Drug · Device
Lead sponsor
Aditya Kaza
Other
Eligibility
30 Days to 18 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 22, 2026, 12:06 PM EDT
Completed Phase 1 Interventional Results available

Utilization of Confocal Microscopy During Cardiac Surgery

NCT03189134
View directory record Official record
Conditions
Atrial Septal Defect
Interventions
Fluorescite, Cellvizio 100 Series System with Confocal Miniprobes
Drug · Device
Lead sponsor
Aditya Kaza
Other
Eligibility
30 Days to 21 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Oct 22, 2026, 12:06 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Intravenous L-Citrulline to Treat Children Undergoing Heart Bypass Surgery : Revised Protocol

NCT01120964
View directory record Official record
Conditions
Atrial Septal Defect, Ventricular Septal Defect, Atrioventricular Septal Defect
Interventions
Intravenous L-Citrulline, Placebo of Intravenous L-Citrulline
Drug
Lead sponsor
Asklepion Pharmaceuticals, LLC
Industry
Eligibility
Up to 6 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
St Louis, Missouri • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Oct 22, 2026, 12:06 PM EDT
Not listed Phase 2Phase 3 Interventional

MIST II PFO-Migraine Trial With BioSTAR® Bioabsorbable Septal Repair Implant

NCT00283738
View directory record Official record
Conditions
Migraine, Aura, Patent Foramen Ovale
Interventions
BioSTAR Septal Repair Implant System, Sham Procedure
Device · Procedure
Lead sponsor
NMT Medical
Industry
Eligibility
18 Years to 60 Years
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Stamford, Connecticut • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 25, 2008 · Synced Oct 22, 2026, 12:06 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Regional Anesthesia Following Pediatric Cardiac Surgery

NCT05688670
View directory record Official record
Conditions
Atrial Septal Defect, Ventricular Septal Defect, Pain, Procedural
Interventions
Regional Anesthesia, Wound infiltration, Ropivacaine 0.2% Injectable Solution
Procedure · Drug
Lead sponsor
Duke University
Other
Eligibility
Up to 17 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 22, 2026, 12:06 PM EDT
Terminated No phase listed Observational

Rhythm Disturbances After Ventricular Septal Defects

NCT00208624
View directory record Official record
Conditions
Heart Block After Surgery
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 5, 2014 · Synced Oct 22, 2026, 12:06 PM EDT
Completed No phase listed Observational Results available

Comorbidities Associated With Migraine and Patent Foramen Ovale (CAMP)

NCT01257880
View directory record Official record
Conditions
Migraine With Aura, Patent Foramen Ovale
Interventions
Not listed
Lead sponsor
Swedish Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 27, 2011 · Synced Oct 22, 2026, 12:06 PM EDT