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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Septal Defect, Atrial Clear all
Completed Phase 2 Interventional Results available

Safety Study of Varisolve® Procedure for Treatment of Varicose Veins in Patients With Right-to-left Cardiac Shunt

NCT00442364
View directory record Official record
Conditions
Varicose Veins
Interventions
Polidocanol (1%) Microfoam (Varisolve), Endovenous Microfoam Occlusion
Drug · Procedure
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
7
States / cities
Los Angeles, California • Durham, North Carolina • Winston-Salem, North Carolina + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced Jun 10, 2026, 2:32 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 Jan 31, 2024 · Synced Jun 10, 2026, 2:32 PM 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 10, 2026, 2:32 PM 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 10, 2026, 2:32 PM 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 10, 2026, 2:32 PM EDT
Completed Not applicable Interventional Results available

Patent Foramen Ovale Closure or Medical Therapy After Stroke - RESPECT Trial

NCT00465270
View directory record Official record
Conditions
Cryptogenic Stroke
Interventions
AMPLATZER PFO Occluder, Standard of Care - Medical Management
Device · Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 60 Years
Enrollment
980 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2016
U.S. locations
61
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 52 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2019 · Synced Jun 10, 2026, 2:32 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 26, 2011 · Synced Jun 10, 2026, 2:32 PM EDT
Withdrawn Phase 2 Interventional

Patients With Patent Foramen Ovale and Endocardial Device Leads on Apixaban for Prevention of Paradoxical Emboli

NCT02378623
View directory record Official record
Conditions
Patent Foramen Ovale, Cardiac Implantable Electronic Device
Interventions
Apixaban, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Jun 10, 2026, 2:32 PM EDT
Completed Not applicable Interventional Results available

GORE® Septal Occluder Device for Patent Foramen Ovale (PFO) Closure in Stroke Patients

NCT00738894
View directory record Official record
Conditions
Stroke, Transient Ischemic Attack
Interventions
Septal Occluder Device, Antiplatelet Medical Therapy
Device · Drug
Lead sponsor
W.L.Gore & Associates
Industry
Eligibility
18 Years to 60 Years
Enrollment
664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Jun 10, 2026, 2:32 PM EDT
Completed Not applicable Interventional Results available

RoBotic TCD Ultrasound BubbLe Study Compared to Transthoracic Echocardiography for Detection of Right to Left Shunt

NCT04604015
View directory record Official record
Conditions
Embolic Stroke of Undetermined Source, Transient Ischemic Attack, Right-To-Left Atrial Shunt, Patent Foramen Ovale
Interventions
NeuralBot Investigational System, Transthoracic Echocardiography (TTE)
Diagnostic Test
Lead sponsor
NovaSignal Corp.
Industry
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
7
States / cities
Phoenix, Arizona • Portland, Oregon • Chattanooga, Tennessee + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2024 · Synced Jun 10, 2026, 2:32 PM 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 10, 2026, 2:32 PM EDT
Completed No phase listed Observational

Does Patent Foramen Ovale Size Matter in Men and Women

NCT03904277
View directory record Official record
Conditions
Patent Foramen Ovale
Interventions
Not listed
Lead sponsor
University of Oregon
Other
Eligibility
18 Years to 40 Years
Enrollment
28 participants
Timeline
2018 – 2023
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced Jun 10, 2026, 2:32 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 26, 2022 · Synced Jun 10, 2026, 2:32 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 18, 2026 · Synced Jun 10, 2026, 2:32 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 11, 2017 · Synced Jun 10, 2026, 2:32 PM 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 10, 2026, 2:32 PM 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 10, 2026, 2:32 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 8, 2013 · Synced Jun 10, 2026, 2:32 PM 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 10, 2026, 2:32 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 6, 2020 · Synced Jun 10, 2026, 2:32 PM EDT
Withdrawn Not applicable Interventional

Patent Foramen Ovale (PFO) Closure at the Time of Endovascular Cardiac Electronic Device Implantation

NCT03232450
View directory record Official record
Conditions
Foramen Ovale, Patent
Interventions
Aspirin, Cardiovascular Implantable Device (CIED), Gore Cardioform Septal Occluder
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Jun 10, 2026, 2:32 PM EDT
Not listed Phase 2Phase 3 Interventional

Evaluation of the STARFlex® Septal Closure System in Patients With a Stroke or TIA Due to the Possible Passage of a Clot of Unknown Origin Through a Patent Foramen Ovale (PFO)

NCT00201461
View directory record Official record
Conditions
Patent Foramen Ovale, Stroke, Ischemic Attack, Transient
Interventions
STARFlex septal closure system, Best medical therapy
Device · Drug
Lead sponsor
NMT Medical
Industry
Eligibility
18 Years to 60 Years
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 29, 2008 · Synced Jun 10, 2026, 2:32 PM 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 10, 2026, 2:32 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

GORE® CARDIOFORM Septal Occluder Migraine Clinical Study

NCT04100135
View directory record Official record
Conditions
Migraine, Patent Foramen Ovale, PFO - Patent Foramen Ovale
Interventions
Actual device PFO closure, Thienopyridine (clopidogrel or prasugrel), Sham device PFO closure
Device · Drug
Lead sponsor
W.L.Gore & Associates
Industry
Eligibility
18 Years to 55 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
15
States / cities
Phoenix, Arizona • Los Angeles, California • Santa Barbara, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jun 10, 2026, 2:32 PM EDT