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ClinicalTrials.gov public records Last synced Sep 8, 2026, 5:44 PM EDT

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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Non-valvular Atrial Fibrillation, Stroke, Systemic Embolism
Interventions
Experimental: Laminar Left Atrial Appendage Closure System, Active Comparator: WATCHMAN / Amulet
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
36
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 27 more
Conditions
Atrial Fibrillation, Ischemic Stroke, Acute
Interventions
Left Atrial Appendage Occlusion
Other
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Overland Park, Kansas
Not yet recruiting Not applicable Interventional

EPX-HTG for Structural Heart Procedures

NCT07705425
Conditions
Atrial Fibrillation (AF), Mitral Valve (MV) Regurgitation
Interventions
Left Atrial Appendage Occlusion, Mitral Valve Transcatheter Edge to Edge Repair
Device
Lead sponsor
EchoPixel, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Sacramento, California
Conditions
Stroke
Interventions
Coherex WaveCrest® Left Atrial Appendage Occlusion System, Watchman® LAA Closure Device
Device
Lead sponsor
Coherex Medical
Industry
Eligibility
18 Years and older
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
23
States / cities
Birmingham, Alabama • Chandler, Arizona • Los Angeles, California + 18 more
Completed Not applicable Interventional Results available

Left Atrial Appendage Closure With SentreHeart Lariat® Device

NCT02681042
Conditions
Cardioembolic Stroke, Atrial Fibrillation
Interventions
Left atrial appendage closure, SentreHeart Lariat®
Procedure · Device
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Plano, Texas
Conditions
Atrial Fibrillation, Left Atrial Appendage Closure
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Atrial Fibrillation
Interventions
WATCHMAN LAA Closure Technology
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
576 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
3
States / cities
Phoenix, Arizona • Lexington, Kentucky • New York, New York
Completed Not applicable Interventional Results available

AMPLATZER™ Amulet™ LAA Occluder Trial

NCT02879448
Conditions
Stroke
Interventions
Amulet Left Atrial Appendage Occluder, WATCHMAN Left Atrial Appendage Closure
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,878 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
85
States / cities
Huntsville, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 70 more
Conditions
Left Atrial Appendage Occlusion
Interventions
Medtronic LAA Occlusion Device
Device
Lead sponsor
Medtronic Cardiovascular
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
5
States / cities
Rancho Mirage, California • New Haven, Connecticut • Chicago, Illinois + 2 more
Conditions
Atrial Fibrillation
Interventions
Aegis Sierra Ligation System
Device
Lead sponsor
Aegis Medical Innovations
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
4
States / cities
Santa Monica, California • Rochester, Minnesota • New York, New York + 1 more
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The CONFORMAL Early Feasibility Study

NCT03616028
Conditions
Non-valvular Atrial Fibrillation
Interventions
left atrial appendage closure
Device
Lead sponsor
Conformal Medical, Inc
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
11
States / cities
Jonesboro, Arkansas • Santa Monica, California • Manchester, New Hampshire + 7 more
Conditions
Left Atrail Appendage Closure: Peri-device Leaks
Interventions
leak closure with either detachable embolization coils, vascular plugs/CSO, or RFA
Other
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
160 participants
Timeline
2015 – 2021
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
Atrial Fibrillation
Interventions
WATCHMAN FLX
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
458 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
29
States / cities
Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 24 more
Conditions
Atrial Fibrillation, Device Related Thrombus, Left Atrial Appendage Thrombosis, Watchman LAA Closure Device
Interventions
Dabigatran Etexilate Oral Capsule
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
PFA Ablation and LAAC Procedures
Interventions
Watchman FLX™ Pro device.
Device
Lead sponsor
Heart Rhythm Clinical and Research Solutions, LLC
Other
Eligibility
18 Years and older
Enrollment
122 participants
Timeline
2025 – 2026
U.S. locations
15
States / cities
Birmingham, Alabama • San Francisco, California • Littleton, Colorado + 12 more
Conditions
Atrial Fibrillation
Interventions
Left Atrial Appendage Occlusion
Procedure
Lead sponsor
American College of Cardiology
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2029
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Atrial Fibrillation, Stroke
Interventions
Imaging guidance with TEE and ICE for Left atrial appendage closure
Device
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Overland Park, Kansas
Suspended Not applicable Interventional

The CONFORM Pivotal Trial

NCT05147792
Conditions
Atrial Fibrillation, Stroke
Interventions
CLAAS, WATCHMAN left atrial appendage closure device / Amulet left atrial appendage occluder
Device
Lead sponsor
Conformal Medical, Inc
Industry
Eligibility
18 Years and older
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2031
U.S. locations
78
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 66 more
Conditions
Atrial Fibrillation, Atrial Arrhythmia
Interventions
Data collection
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
10
States / cities
Chicago, Illinois • Evanston, Illinois • Boston, Massachusetts + 4 more
Active, not recruiting No phase listed Observational

Amulet™ ADVANCE LAA

NCT05997446
Conditions
Atrial Fibrillation, Stroke, Bleeding
Interventions
Left atrial appendage occlusion (LAAO)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
16
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Jacksonville, Florida + 13 more
Conditions
Atrial Fibrillation, Left Atrial Appendage Closure, Cardiovascular Diseases
Interventions
No investigational intervention administered
Other
Lead sponsor
Anumana, Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
6
States / cities
Jonesboro, Arkansas • Boston, Massachusetts • New Bedford, Massachusetts + 3 more
Completed No phase listed Observational

Peri-device Leakage Closure After LAAO

NCT04590898
Conditions
Atrial Fibrillation, Stroke, Bleeding, Leakage of Cardiac Device
Interventions
Peri-device leakage closure after left atrial appendage occlusion
Device
Lead sponsor
Cardiovascular Center Frankfurt
Other
Eligibility
18 Years to 100 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
7
States / cities
Phoenix, Arizona • La Jolla, California • Overland Park, Kansas + 4 more
Conditions
Atrial Fibrillation, GI Bleeding
Interventions
LAAC with Watchman FLX device
Device
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
Overland Park, Kansas • Kansas City, Missouri
Conditions
Non-valvular Atrial Fibrillation
Interventions
Left Atrial Appendage Closure
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
7
States / cities
Tucson, Arizona • Jonesboro, Arkansas • La Jolla, California + 3 more