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ClinicalTrials.gov public records Last synced May 21, 2026, 7:40 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Foramen Ovale, Patent Clear all
Recruiting Not applicable Interventional
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 18, 2024 · Synced May 21, 2026, 7:40 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Ischemic Stroke, Patent Foramen Ovale
Interventions
Warfarin, Aspirin
Drug
Lead sponsor
Columbia University
Other
Eligibility
30 Years to 85 Years
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2000
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 14, 2011 · Synced May 21, 2026, 7:40 PM EDT
Terminated No phase listed Observational
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 May 21, 2026, 7:40 PM EDT
Terminated No phase listed Observational
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 May 21, 2026, 7:40 PM EDT
Recruiting No phase listed Observational
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 May 21, 2026, 7:40 PM EDT
Withdrawn Phase 2 Interventional
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 May 21, 2026, 7:40 PM EDT
Completed Not applicable Interventional Results available
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 May 21, 2026, 7:40 PM EDT
Terminated Phase 3 Interventional
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 May 21, 2026, 7:40 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Patent Foramen Ovale, Cryptogenic Stroke, Embolic Infarction
Interventions
intravenous access in greater saphenous vein compared to upper extremity site.
Diagnostic Test
Lead sponsor
St. John's Hospital
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Maple Grove, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced May 21, 2026, 7:40 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers
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 May 21, 2026, 7:40 PM EDT
Active, not recruiting Not applicable Interventional
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 Mar 2, 2026 · Synced May 21, 2026, 7:40 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
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 Dec 17, 2024 · Synced May 21, 2026, 7:40 PM EDT
Recruiting No phase listed Observational
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 May 21, 2026, 7:40 PM EDT
Completed Phase 2 Interventional Results available
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 May 21, 2026, 7:40 PM EDT
Not listed Phase 2Phase 3 Interventional
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 24, 2008 · Synced May 21, 2026, 7:40 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Migraine Headaches
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
6 Years to 17 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 25, 2017 · Synced May 21, 2026, 7:40 PM EDT
Terminated Phase 3 Interventional
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 3, 2019 · Synced May 21, 2026, 7:40 PM EDT
Recruiting Not applicable Interventional
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
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
5
States / cities
Los Angeles, California • Gainesville, Florida • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced May 21, 2026, 7:40 PM EDT
Active, not recruiting Not applicable Interventional
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 May 21, 2026, 7:40 PM EDT
Completed No phase listed Observational Results available
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 May 21, 2026, 7:40 PM EDT
Completed Not applicable Interventional Results available
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 May 21, 2026, 7:40 PM EDT
Not listed Not applicable Interventional
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 May 21, 2026, 7:40 PM EDT
Completed Not applicable Interventional Results available
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 29, 2020 · Synced May 21, 2026, 7:40 PM EDT