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ClinicalTrials.gov public records Last synced Sep 15, 2026, 10:56 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Heart Septal Defect Clear all
Active, not recruiting Not applicable Interventional

AMPLATZER PFO Occluder Post Approval Study

NCT03309332
View directory record Official record
Conditions
Stroke, Patent Foramen Ovale
Interventions
AMPLATZER™ PFO Occluder
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 60 Years
Enrollment
1,214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
78
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 63 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 15, 2026, 10:56 AM EDT
Terminated No phase listed Observational

Optimal Timing for Repair of Left to Right Shunt Lesions

NCT00229827
View directory record Official record
Conditions
Ventricular Septal Defects, Persistent Common Atrioventricular Canal
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 15, 2012 · Synced Sep 15, 2026, 10:56 AM 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 14, 2023 · Synced Sep 15, 2026, 10:56 AM 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 26, 2018 · Synced Sep 15, 2026, 10:56 AM 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 26, 2022 · Synced Sep 15, 2026, 10:56 AM EDT
Completed Phase 1 Interventional

A Phase I Study of Dexmedetomidine Bolus and Infusion in Corrective Infant Cardiac Surgery: Safety and Pharmacokinetics

NCT01915277
View directory record Official record
Conditions
Transposition of the Great Arteries, Tetralogy of Fallot, Ventricular Septal Defect
Interventions
Dexmedetomidine
Drug
Lead sponsor
Carelon Research
Other
Eligibility
Up to 180 Days
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
4
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Sep 15, 2026, 10:56 AM EDT
Not listed Phase 1Phase 2 Interventional

Mesoblast Stem Cell Therapy for Patients With Single Ventricle and Borderline Left Ventricle

NCT03079401
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome, Atrioventricular Canal
Interventions
MPC; rexlemestrocel-L
Biological
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 5 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Sep 15, 2026, 10:56 AM EDT
Withdrawn Phase 1 Interventional

Aberrations in Carnitine Homeostasis in Congenital Heart Disease With Increased Pulmonary Blood Flow

NCT01825369
View directory record Official record
Conditions
Heart Septal Defects, Ventricular, Atrioventricular Septal Defect
Interventions
IV L-carnitine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
2 Months to 12 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 5, 2020 · Synced Sep 15, 2026, 10:56 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Study of Energy Expenditure in Infants With Ventricular Septal Defects

NCT00006272
View directory record Official record
Conditions
Heart Septal Defects, Ventricular
Interventions
Not listed
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
3 Months to 4 Months
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1994
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 15, 2026, 10:56 AM 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 20, 2017 · Synced Sep 15, 2026, 10:56 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Is Blood Flow Through IPAVA and PFO Related to Breath-hold and SCUBA Diving-induced Pulmonary Hypertension?

NCT03945643
View directory record Official record
Conditions
Patent Foramen Ovale, Intrapulmonary Arteriovenous Anastamosis
Interventions
Sildenafil, Placebo
Drug · Other
Lead sponsor
University of Oregon
Other
Eligibility
18 Years to 65 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 15, 2026, 10:56 AM EDT
Not listed Not applicable Interventional

Stitch Closure of PFO and Septal Repair

NCT03373929
View directory record Official record
Conditions
Foramen Ovale, Patent, Septal Defect, Atrial, Septal Defect, Heart
Interventions
PFO Closure Rate, Published PFO Device Closure
Device
Lead sponsor
HeartStitch.Com
Industry
Eligibility
18 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 13, 2017 · Synced Sep 15, 2026, 10:56 AM EDT
Completed No phase listed Observational

Pulmonary Hypertension in Trisomy 21 Patients

NCT00478296
View directory record Official record
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 8 Days
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 15, 2012 · Synced Sep 15, 2026, 10:56 AM EDT
Completed No phase listed Observational Results available

Philips Intracardiac Echocardiography (ICE) Clinical Registry

NCT04950192
View directory record Official record
Conditions
Atrial Fibrillation, Stroke, Valve Disease, Heart, Atrial Septal Defect, Patent Foramen Ovale, Mitral Valve Disease, Tricuspid Valve Disease, Aortic Valve Disease
Interventions
ICE Image guidance
Device
Lead sponsor
Philips Clinical & Medical Affairs Global
Industry
Eligibility
18 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
5
States / cities
Aurora, Colorado • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2025 · Synced Sep 15, 2026, 10:56 AM EDT
Completed Phase 3 Interventional

Study of Triostat in Infants During Heart Surgery

NCT00027417
View directory record Official record
Conditions
Heart Defects, Congenital
Interventions
Liothyronine sodium/triiodothyronine, Cardiopulmonary bypass and cardiac surgery
Drug · Procedure
Lead sponsor
Michael Portman
Other
Eligibility
Up to 2 Years
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 4, 2013 · Synced Sep 15, 2026, 10:56 AM EDT
Completed No phase listed Observational Results available

The AMPLATZER™ Post-infarct Muscular VSD Occluder Humanitarian Device Exemption (H070005) Post Approval Study

NCT03165526
View directory record Official record
Conditions
Post-Infarction Ventricular Septal Defect
Interventions
AMPLATZER™ Post-infarct Muscular VSD Occluder
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
17
States / cities
San Francisco, California • Gainesville, Florida • Baltimore, Maryland + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Sep 15, 2026, 10:56 AM EDT
Not listed Not applicable Interventional

Radiation-Free Heart Catheterization Using MRI

NCT02739087
View directory record Official record
Conditions
Aortic Coarctation, Cardiomyopathy, Atrial Septal Defect, Aortic Stenosis, Post Heart Transplant Catheter Procedure, Patent Ductus Arteriosus
Interventions
MRI guided cardiac catheterization, Magnetic resonance imaging
Procedure · Device
Lead sponsor
Joshua Kanter
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Sep 15, 2026, 10:56 AM EDT
Completed Phase 2 Interventional

Use of Ketamine Prior to Cardiopulmonary Bypass in Children

NCT00556361
View directory record Official record
Conditions
Ventricular Septal Defect
Interventions
saline, ketamine
Drug
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
Up to 1 Year
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 11, 2007 · Synced Sep 15, 2026, 10:56 AM EDT
Terminated Phase 3 Interventional

Angiotensin Converting Enzyme Inhibition in Children With Mitral Regurgitation

NCT00113698
View directory record Official record
Conditions
Heart Defects, Congenital, Heart Septal Defects, Ventricular, Heart Failure, Congestive
Interventions
Enalapril, Placebo
Drug · Other
Lead sponsor
University of Utah
Other
Eligibility
Up to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
6
States / cities
Boston, Massachusetts • New York, New York • Durham, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2014 · Synced Sep 15, 2026, 10:56 AM EDT
Completed Not applicable Interventional Results available

Closure of Muscular Ventricular Septal Defects (VSDs) With the AMPLATZER Muscular VSD (MuVSD) Occluder - Post Approval Study

NCT00647387
View directory record Official record
Conditions
Ventricular Septal Defects
Interventions
Muscular VSD Occluder device implantation (AMPLATZER Muscular VSD Occluder)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2024
U.S. locations
48
States / cities
Phoenix, Arizona • Los Angeles, California • Madera, California + 40 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 15, 2026, 10:56 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Clinical Proteomic Research for the Brain

NCT00983723
View directory record Official record
Conditions
Ischemic Brain Injury, Stroke, Healthy Individual, Patent Foramen Ovale (PFO), Neurovascular Injury
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 22, 2013 · Synced Sep 15, 2026, 10:56 AM EDT
Terminated Phase 3 Interventional

Right to Left Cardiac Shunt Detection

NCT01773252
View directory record Official record
Conditions
Right to Left Shunt, Patent Foramen Ovale, Atrial Septal Defect
Interventions
Flow Detection System
Device
Lead sponsor
Cardiox Corporation
Industry
Eligibility
18 Years and older
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
8
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2015 · Synced Sep 15, 2026, 10:56 AM EDT
Not yet recruiting Not applicable Interventional

Bypass Clear Priming VSD Cardiopulmonary Bypass Circuit Reduce Bypass Associated Inflammation?

NCT07393243
View directory record Official record
Conditions
Ventricular Septal Defect
Interventions
Clear priming of the bypass pump
Procedure
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
1 Month to 18 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 15, 2026, 10:56 AM 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 27, 2025 · Synced Sep 15, 2026, 10:56 AM EDT