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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:58 PM EDT

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Showing 1–24 of 50 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Atrial Septal Defect Clear all
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 9, 2019 · Synced Oct 21, 2026, 10:58 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 21, 2026, 10:58 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 26, 2015 · Synced Oct 21, 2026, 10:58 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
NeuraSignal Inc dba NovaSignal
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 24, 2024 · Synced Oct 21, 2026, 10:58 PM 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 8, 2022 · Synced Oct 21, 2026, 10:58 PM EDT
Recruiting Not applicable Interventional

Early Feasibility Study (EFS) Evaluating Percutaneous Repair of the Atrial Septum With a Novel PFO Occluder: The PROTEA-PFO Study

NCT07172464
View directory record Official record
Conditions
PFO, PFO - Patent Foramen Ovale, Cryptogenic Stroke, Patent Foramen Ovale, PFO-associated Stroke
Interventions
Recross P3 Occluder (P3O) System
Device
Lead sponsor
Recross Cardio, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
5
States / cities
Los Angeles, California • Gainsville, Florida • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 21, 2026, 10:58 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 21, 2026, 10:58 PM 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 13, 2015 · Synced Oct 21, 2026, 10:58 PM EDT
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 11, 2026 · Synced Oct 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional Results available

PREMIUM Migraine Trial

NCT00355056
View directory record Official record
Conditions
Migraine Headaches, Patent Foramen Ovale
Interventions
Sham Procedure, AMPLATZER PFO Occluder
Other · Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 65 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
30
States / cities
Phoenix, Arizona • Los Angeles, California • Colorado Springs, Colorado + 23 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Oct 21, 2026, 10:58 PM EDT
Recruiting Not applicable Interventional

Encore PFO Closure Device - The PerFOrm Trial

NCT05537753
View directory record Official record
Conditions
Patent Foramen Ovale, Cryptogenic Stroke
Interventions
Encore PFO closure device, FDA-approved PFO closure device
Device
Lead sponsor
Encore Medical Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
8
States / cities
Little Rock, Arkansas • La Jolla, California • Tampa, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 21, 2026, 10:58 PM EDT
Terminated Phase 3 Interventional

ESCAPE Migraine Trial

NCT00267371
View directory record Official record
Conditions
Migraine Disorders, Heart Septal Defects, Atrial
Interventions
PFO Closure with Premere investigational device., Medical management/current medications per standard of care by personal physician.
Device · Drug
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 70 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
37
States / cities
Scottsdale, Arizona • Newport Beach, California • Sacramento, California + 31 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 21, 2026, 10:58 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 30, 2008 · Synced Oct 21, 2026, 10:58 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 21, 2026, 10:58 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 21, 2026, 10:58 PM 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 14, 2023 · Synced Oct 21, 2026, 10:58 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 21, 2026, 10:58 PM 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 26, 2023 · Synced Oct 21, 2026, 10:58 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 9, 2026 · Synced Oct 21, 2026, 10:58 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 20, 2020 · Synced Oct 21, 2026, 10:58 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 15, 2013 · Synced Oct 21, 2026, 10:58 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 21, 2026, 10:58 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 18, 2019 · Synced Oct 21, 2026, 10:58 PM 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
13
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 21, 2026, 10:58 PM EDT