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Active, not recruiting Not applicable Interventional

CHAMPION-AF Clinical Trial

ClinicalTrials.gov ID: NCT04394546

Public ClinicalTrials.gov record NCT04394546. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:52 PM EDT

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

Official title

WATCHMAN FLX Versus NOAC for Embolic ProtectION in in the Management of Patients With Non-Valvular Atrial Fibrillation

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary objective of this study is to determine if left atrial appendage closure (LAAC) with the WATCHMAN FLX device is a reasonable alternative to non-vitamin K oral anticoagulants in patients with non-valvular atrial fibrillation.

Study identification

NCT ID
NCT04394546
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Not applicable
Lead sponsor
Boston Scientific Corporation
Industry
Enrollment
3,000 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 15, 2020 (Actual)
Primary completion
Dec 2027 (Estimated)
Completion
Dec 2027 (Estimated)
Last update posted
Oct 14, 2026

2020 – 2027

United States locations

U.S. sites
95
U.S. states
36
U.S. cities
86
Facility City State ZIP Site status
Grandview Medical Center Birmingham Alabama 35243 —
University of Alabama at Birmingham Birmingham Alabama 35294-6830 —
Arizona Arrhythmia Research Center Phoenix Arizona 85016 —
Phoenix Cardiovascular Research Group Phoenix Arizona 85018 —
Scottsdale Healthcare - Shea Scottsdale Arizona 85258 —
PIMA Heart and Vascular Tucson Arizona 85741 —
Arrythmia Research Group Jonesboro Arkansas 72401 —
Sharp Chula Vista Medical Center Chula Vista California 91911 —
Marin General Hospital Greenbrae California 94904 —
Scripps Memorial Hospital La Jolla California 92037 —
Los Robles Hospital and Medical Center Los Angeles California 91360 —
El Camino Hospital Mountain View California 94040 —
Eisenhower Medical Center Rancho Mirage California 92270 —
Mercy General Hospital Sacramento California 95819 —
Santa Barbara Cottage Hospital Santa Barbara California 93105 —
St. John's Health Center Santa Monica California 90404 —
Colorado Springs Cardiologist, P.C. Colorado Springs Colorado 80923 —
Yale University School of Medicine New Haven Connecticut 06473 —
Christiana Hospital Newark Delaware 19718 —
Washington Hospital Center Washington D.C. District of Columbia 20010 —
Manatee Memorial Hospital Bradenton Florida 34205 —
Bay Area Cardiology Associates, P.A. Brandon Florida 33511 —
Broward General Medical Center Fort Lauderdale Florida 33316 —
St. Vincent's Medical Center Jacksonville Florida 32204 —
Lakeland Regional Medical Center Lakeland Florida 33805 —
Baptist Hospital of Miami Miami Florida 33176 —
AdventHealth Orlando Orlando Florida 32803 —
Tallahassee Memorial Hospital Tallahassee Florida 32308 —
Piedmont Hospital Atlanta Georgia 30309 —
Emory University Hospital Atlanta Georgia 30322 —
Memorial Health University Medical Center Savannah Georgia 31404 —
Northwestern Memorial Hospital Chicago Illinois 60611 —
Advocate Christ Medical Center Oak Lawn Illinois 60453 —
St. John's Hospital Springfield Illinois 62701 —
Franciscan Health Indianapolis Indianapolis Indiana 46237 —
Community Hospital Munster Indiana 46321 —
Mercy Hospital Medical Center Des Moines Iowa 50314 —
University of Iowa Hospitals and Clinics Iowa City Iowa 52242 —
University of Kansas Hospital Kansas City Kansas 66160 —
Norton Hospital Louisville Kentucky 40202 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Brigham and Women's Hospital Boston Massachusetts 02115 —
Lahey Clinic Hospital Burlington Massachusetts 01805 —
Charlton Memorial Fall River Massachusetts 02720 —
University of Massachusetts Memorial Medical Center Worcester Massachusetts 01655 —
Sparrow Health System - Sparrow Hospital Lansing Michigan 48912 —
William Beaumont Hospital Royal Oak Michigan 48073 —
Mercy Hospital Coon Rapids Minnesota 55433 —
Mayo Clinic Foundation Rochester Minnesota 55905 —
Centracare Heart and Vascular Center Saint Cloud Minnesota 56303 —
HealthEast St. Joseph's Hospital Saint Paul Minnesota 55102 —
North Mississippi Medical Center Tupelo Mississippi 38801 —
St. Luke's Hospital of Kansas City Kansas City Missouri 64111 —
Billings Clinic Billings Montana 59101 —
Bergan Cardiology Omaha Nebraska 68124 —
The Nebraska Medical Center Omaha Nebraska 68198 —
Dartmouth Hitchcock Medical Center Lebanon New Hampshire 03756 —
Catholic Medical Center Manchester New Hampshire 03102 —
Englewood Hospital and Medical Center Englewood New Jersey 07631 —
Kaleida Health Buffalo New York 14203 —
Mount Sinai Medical Center New York New York 10029 —
Columbia University Medical Center New York New York 10032 —
Rochester General Hospital Rochester New York 14621 —
St. Francis Hospital Roslyn New York 11576 —
Novant Health Presbyterian Medical Center Charlotte North Carolina 28204 —
University Hospitals of Cleveland Cleveland Ohio 44106 —
Cleveland Clinic Foundation Cleveland Ohio 44195 —
OhioHealth Research and Innovation Institute-Riverside Methodist Hospital Columbus Ohio 43214 —
Kettering Medical Center Kettering Ohio 45429 —
The Toledo Hospital Toledo Ohio 43606 —
Legacy Emanuel Hospital & Health Center Portland Oregon 97227 —
Pinnacle Health at Harrisburg Hospital Harrisburg Pennsylvania 17101 —
University of Pittsburgh Medical Center Pittsburgh Pennsylvania 15213 —
York Hospital York Pennsylvania 17403 —
Trident Medical Center Charleston South Carolina 29406 —
Medical University of South Carolina Columbia South Carolina 29204 —
Lexington Medical Center West Columbia South Carolina 29169 —
Erlanger Medical Center Chattanooga Tennessee 37403 —
Methodist Le Bonheur Healthcare Germantown Tennessee 38138 —
Centennial Medical Center Nashville Tennessee 37203 —
Vanderbilt University Medical Center Nashville Tennessee 37232-7235 —
Texas Cardiac Arrhythmia Research Austin Texas 78705 —
Heart Hospital of Austin Austin Texas 78756 —
Memorial Hermann Memorial City Medical Center Houston Texas 77024 —
The Heart Hospital Baylor Plano Plano Texas 75093 —
Methodist Texsan Hospital San Antonio Texas 78201-2009 —
Christus Trinity Mother Frances Health System Tyler Texas 75701 —
Inova Fairfax Hospital Falls Church Virginia 22042 —
Virginia Commonwealth University Health System Richmond Virginia 23219 —
Providence Regional Medical Center Everett Everett Washington 98201 —
Swedish Medical Center Seattle Washington 98122 —
CHI Franciscan Health System Tacoma Washington 98405 —
PeaceHealth Southwest Medical Vancouver Washington 98668 —
Monongalia General Hospital Morgantown West Virginia 26505 —
Aurora St. Luke's Medical Center Milwaukee Wisconsin 52315 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 46 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04394546, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 14, 2026 · Synced Oct 22, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04394546 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →