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ClinicalTrials.gov public records Last synced May 22, 2026, 12:45 AM 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 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: PFO 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Non-Small Cell Lung Cancer Stage IV
Interventions
Abemaciclib, Docetaxel
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
5
States / cities
Fayetteville, Arkansas • Wichita, Kansas • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced May 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM 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 22, 2026, 12:45 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers
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 May 22, 2026, 12:45 AM EDT
Withdrawn Not applicable Interventional
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 May 22, 2026, 12:45 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Foramen Ovale, Patent, Stroke, Ischemic
Interventions
NobleStitch™EL Suture Mediated Closure System, Amplatzer PFO Occluder
Device
Lead sponsor
Nobles Medical Technologies II Inc
Industry
Eligibility
18 Years to 60 Years
Enrollment
640 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced May 22, 2026, 12:45 AM EDT
Completed Not applicable Interventional Results available
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 May 22, 2026, 12:45 AM EDT
Not listed No phase listed Observational
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 May 22, 2026, 12:45 AM EDT
Active, not recruiting Not applicable Interventional
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 May 22, 2026, 12:45 AM EDT
Not listed Not applicable Interventional
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 May 22, 2026, 12:45 AM EDT
Terminated Phase 3 Interventional
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 May 22, 2026, 12:45 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Stroke, PFO - Patent Foramen Ovale
Interventions
PFO closure with GORE® CARDIOFORM Septal Occluder
Device
Lead sponsor
W.L.Gore & Associates
Industry
Eligibility
18 Years to 70 Years
Enrollment
636 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2031
U.S. locations
45
States / cities
Tucson, Arizona • La Jolla, California • Loma Linda, California + 39 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced May 22, 2026, 12:45 AM EDT
Not listed Phase 2Phase 3 Interventional
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 May 22, 2026, 12:45 AM EDT
Recruiting No phase listed Observational
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 May 22, 2026, 12:45 AM EDT