Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 3:17 PM EDT

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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
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Conditions
Stroke
Interventions
WATCHMAN LAAC Device Implant, Single Antiplatelet Therapy or No Therapy (Control)
Device · Drug
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
481 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
71
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 65 more
Conditions
Non-Valvular Atrial Fibrillation, Left Atrial Appendage Closure
Interventions
Edoxaban, WATCHMAN LAA Closure, Aspirin and Clopidogrel, Aspirin and Warfarin
Drug · Device
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
La Jolla, California
Conditions
Atrial Fibrillation, Aortic Valve Stenosis
Interventions
WATCHMAN, TAVR
Device
Lead sponsor
samir kapadia
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
32
States / cities
Phoenix, Arizona • Burlingame, California • Santa Barbara, California + 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
Conditions
Atrial Fibrillation, Left Atrial Appendage Thrombosis
Interventions
Intracardiac Echocardiography (ICE)
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
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, 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
Completed Not applicable Interventional Results available

HEAL-LAA Clinical Trial

NCT05809596
Conditions
Atrial Fibrillation, Bleeding, Stroke
Interventions
WATCHMAN FLX Pro LAAC Device
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
949 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
45
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 39 more
Completed No phase listed Observational

The ICE WATCHMAN Trial

NCT04569734
Conditions
Left Atrial Appendage Closure With WATCHMAN Device Utilizing an Intra-procedural ICE Probe
Interventions
WATCHMAN device implant procedure utilizing ICE probe
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
2
States / cities
Santa Monica, California • Rochester, Minnesota
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
intra-procedural intracardiac echocardiography (ICE) probe
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Santa Monica, California • Rochester, Minnesota
Conditions
Atrial Fibrillation, Stroke, Ischemic, Systemic Embolism
Interventions
WATCHMAN device
Device
Lead sponsor
Hamilton Health Sciences Corporation
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
50
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Fountain Valley, California + 45 more
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
Device-Related Thrombosis, Atrial Fibrillation, Left Atrial Appendage Occlusion
Interventions
ASA plus Clopidogrel, Genetic-Tailored AntiThrombotic Strategy, Half-Dose of novel OAC
Drug
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Austin, Texas
Active, not recruiting Not applicable Interventional

SIMPLAAFY Clinical Trial

NCT06521463
Conditions
Atrial Fibrillation, Stroke, Bleeding
Interventions
WATCHMAN FLX Pro LAAC Device
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,857 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
86
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 78 more
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
Active, not recruiting Not applicable Interventional

CHAMPION-AF Clinical Trial

NCT04394546
Conditions
Atrial Fibrillation, Stroke, Bleeding
Interventions
WATCHMAN FLX LAAC Device, Non-Vitamin K Oral Anticoagulant
Device · Drug
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
95
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 83 more
Conditions
Device Related Thrombosis, Peri-device Leak
Interventions
Transesophageal echocardiography (TEE), Cardiac CTA
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
5
States / cities
Los Angeles, California • Roslyn, New York • Charlotte, North Carolina + 2 more
Conditions
Nonvalvular Atrial Fibrillation, Severe Degenerative Mitral Regurgitation
Interventions
MitraClip TMVR and Watchman LAAO
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Atrial Fibrillation
Interventions
Left Atrial Appendage Device Implant
Device
Lead sponsor
Heart Rhythm Clinical and Research Solutions, LLC
Other
Eligibility
18 Years and older
Enrollment
569 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
7
States / cities
Birmingham, Alabama • Tucson, Arizona • Aurora, Colorado + 4 more
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
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
Atrial Fibrillation
Interventions
WATCHMAN FLX Implant, Market-approved OAC
Device · Drug
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
81
States / cities
Birmingham, Alabama • Huntsville, Alabama • Anchorage, Alaska + 70 more
Conditions
Atrial Fibrillation, Stroke
Interventions
WATCHMAN Device, Warfarin
Device · Drug
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
407 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
41
States / cities
Gilbert, Arizona • Scottsdale, Arizona • La Jolla, California + 35 more