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ClinicalTrials.gov public records Last synced Jun 28, 2026, 8:28 AM EDT

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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: ASD - Atrial Septal Defect Clear all
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 Jun 28, 2026, 8:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Long-term Safety Study of the GORE® HELEX® Septal Occluder

NCT00581308
View directory record Official record
Conditions
Septal Defect, Atrial
Interventions
GORE® HELEX® Septal Occluder
Device
Lead sponsor
W.L.Gore & Associates
Industry
Eligibility
Not listed
Enrollment
215 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 18, 2018 · Synced Jun 28, 2026, 8:28 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 Jun 28, 2026, 8:28 AM 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 8, 2026 · Synced Jun 28, 2026, 8:28 AM EDT
Completed Not applicable Interventional Results available

Safety and Efficacy of the GORE® Septal Occluder to Treat Ostium Secundum Atrial Septal Defects

NCT01711983
View directory record Official record
Conditions
Septal Defect, Atrial
Interventions
GORE® CARDIOFORM Septal Occluder
Device
Lead sponsor
W.L.Gore & Associates
Industry
Eligibility
Not listed
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2020 · Synced Jun 28, 2026, 8:28 AM EDT
Completed Not applicable Interventional Results available

Safety and Efficacy Study of Transcatheter Closure of Ostium Secundum ASDs

NCT02985684
View directory record Official record
Conditions
Atrial Septal Defect
Interventions
GORE® CARDIOFORM ASD Occluder
Device
Lead sponsor
W.L.Gore & Associates
Industry
Eligibility
Not listed
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
22
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Jun 28, 2026, 8:28 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 Jun 28, 2026, 8:28 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 Jun 28, 2026, 8:28 AM EDT
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 18, 2024 · Synced Jun 28, 2026, 8:28 AM EDT
Completed No phase listed Observational

Magnetic Resonance Imaging of Atrial Septal Defects

NCT00498446
View directory record Official record
Conditions
Atrial Septal Defect
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 25, 2023 · Synced Jun 28, 2026, 8:28 AM EDT
Recruiting No phase listed Observational

Abbott Structural Heart Device Registry

NCT06590467
View directory record Official record
Conditions
Heart Diseases, ASD - Atrial Septal Defect, VSD - Muscular Ventricular Septal Defect, PFO - Patent Foramen Ovale, PIVSD - Post Infarct Muscular Ventricular Septal Defect, Valvular Heart Disease
Interventions
Amplatzer™ Occlusion Devices, Epic™ Surgical Tissue Heart Valve devices
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2039
U.S. locations
5
States / cities
New Brunswick, New Jersey • New York, New York • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jun 28, 2026, 8:28 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 Jun 28, 2026, 8:28 AM 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 6, 2025 · Synced Jun 28, 2026, 8:28 AM EDT
Completed Not applicable Interventional Results available

Closure of Atrial Septal Defects With the AMPLATZER Septal Occluder - Post Approval Study

NCT00650936
View directory record Official record
Conditions
Atrial Septal Defect
Interventions
AMPLATZER Septal Occluder
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
51
States / cities
Birmingham, Alabama • Los Angeles, California • Madera, California + 44 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2019 · Synced Jun 28, 2026, 8:28 AM EDT
Terminated No phase listed Observational

A Prospective Investigation of Pleth Variability Index (PVI) as a Dynamic Parameter of Fluid Responsiveness in Children

NCT02276599
View directory record Official record
Conditions
Atrial Septal Defect
Interventions
Volume expansion
Procedure
Lead sponsor
Brian Schloss
Other
Eligibility
1 Year to 12 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 17, 2018 · Synced Jun 28, 2026, 8:28 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 Jun 28, 2026, 8:28 AM EDT
Terminated No phase listed Observational

Nickel Allergy With Septal Closure Devices

NCT01068366
View directory record Official record
Conditions
Atrial Septal Defect, Patent Foramen Ovale, Allergic Reaction to Nickel
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 14, 2013 · Synced Jun 28, 2026, 8:28 AM 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 6, 2020 · Synced Jun 28, 2026, 8:28 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 Jun 28, 2026, 8:28 AM EDT
Withdrawn Phase 3 Interventional

Iatrogenic Atrial Septal Defect Study (iASD)

NCT04395027
View directory record Official record
Conditions
Septal Defect, Atrial
Interventions
atrial septal defect closure
Device
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 7, 2022 · Synced Jun 28, 2026, 8:28 AM EDT
Terminated No phase listed Observational

ADVANCE ASO AMPLATZER™ Atrial Septal Occluder Post Market Surveillance Study

NCT02353351
View directory record Official record
Conditions
Atrial Septal Defect Secundum
Interventions
atrial septal occluder
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
65
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 50 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Jun 28, 2026, 8:28 AM EDT