ClinicalTrials.gov record
Assessment of the WATCHMAN™ Device in Patients Unsuitable for Oral Anticoagulation
ClinicalTrials.gov ID: NCT02928497
Public ClinicalTrials.gov record NCT02928497. 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 May 13, 2026, 7:32 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
Assessment of the WATCHMAN™ Device in Patients Unsuitable for Oral Anticoagulation (ASAP-TOO)
Study identification
- NCT ID
- NCT02928497
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Boston Scientific Corporation
- Industry
- Enrollment
- 481 participants
Conditions and interventions
Conditions
Interventions
- Single Antiplatelet Therapy or No Therapy (Control) Drug
- WATCHMAN LAAC Device Implant Device
Drug · Device
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
- Feb 5, 2017
- Primary completion
- Sep 22, 2025
- Completion
- Sep 22, 2025
- Last update posted
- Apr 12, 2026
2017 – 2025
United States locations
- U.S. sites
- 71
- U.S. states
- 35
- U.S. cities
- 68
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Grandview Medical Center | Birmingham | Alabama | 35243 | — |
| Huntsville Hospital | Huntsville | Alabama | 35801 | — |
| Arizona Arrhythmia Research Center | Phoenix | Arizona | 85016 | — |
| Arrhythmia Research Group | Jonesboro | Arkansas | 72401 | — |
| Scripps Memorial Hospital | La Jolla | California | 10666 | — |
| Cedars - Sinai Medical Center | Los Angeles | California | 90048 | — |
| Sharpe Chula Vista Medical Center | San Diego | California | 92121 | — |
| Santa Barbara Cottage Hospital | Santa Barbara | California | 93102 | — |
| St. John's Health Center | Santa Monica | California | 90404 | — |
| North Colorado Medical Center | Greeley | Colorado | 80631 | — |
| St. Anthony Hospital | Lakewood | Colorado | 80228 | — |
| Washington Hospital Center | Washington D.C. | District of Columbia | 20010 | — |
| Delray Medical Center | Delray Beach | Florida | 33484 | — |
| Lakeland Regional Medical Center | Lakeland | Florida | 33805 | — |
| Sarasota Memorial Hospital | Sarasota | Florida | 34239 | — |
| Tallahassee Memorial Hospital | Tallahassee | Florida | 32308 | — |
| Bay Area Cardiology Associates | Tampa | Florida | 33511 | — |
| Tampa General Hospital | Tampa | Florida | 33606 | — |
| Emory University Hospital | Atlanta | Georgia | 30308 | — |
| Northwestern Memorial Hospital | Chicago | Illinois | 60611 | — |
| Evanston Hospital | Evanston | Illinois | 60201 | — |
| Edward Hospital | Naperville | Illinois | 60540 | — |
| Advocate Christ Medical Center | Oak Lawn | Illinois | 60453 | — |
| St. John's Hospital | Springfield | Illinois | 62769 | — |
| St. Vincent's Hospital | Indianapolis | Indiana | 46290 | — |
| Heart Group at Deaconness Hospital | Newburgh | Indiana | 47630 | — |
| Mercy Hospital Medical Center | West Des Moines | Iowa | 50266 | — |
| Kansas City Cardiac Arrhythmia Research | Overland Park | Kansas | 66211 | — |
| Baptist Health Lexington | Lexington | Kentucky | 40503 | — |
| Maine Medical Center | Portland | Maine | 04074 | — |
| Union Memorial Hospital | Baltimore | Maryland | 21218 | — |
| Southcoast Physicians Group | Fall River | Massachusetts | 02720 | — |
| Henry Ford Hospital | Detroit | Michigan | 48202 | — |
| Mayo Clinic Foundation | Rochester | Minnesota | 55905 | — |
| Centracare Heart and Vascular | 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 | — |
| Mercy Research | St Louis | Missouri | 63141 | — |
| Billings Clinic | Billings | Montana | 59101 | — |
| The Nebraska Medical Center | Omaha | Nebraska | 68198 | — |
| Dartmouth Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | — |
| Catholic Medical Center | Manchester | New Hampshire | 03102 | — |
| Cardiovascular Associates of the Delaware Valley | Haddon Heights | New Jersey | 08035 | — |
| St. Barnabas Medical Center | Newark | New Jersey | 07112 | — |
| The Valley Hospital | Ridgewood | New Jersey | 07450 | — |
| Mount Sinai Medical Center | New York | New York | 10029 | — |
| Rochester General Hospital | Rochester | New York | 14621 | — |
| Northwell Health | Staten Island | New York | 10305 | — |
| Carolinas Medical Center | Charlotte | North Carolina | 28203 | — |
| Summa Health System | Akron | Ohio | 44304 | — |
| Aultman Hospital | Canton | Ohio | 44710 | — |
| Ohio State University Medical Center | Columbus | Ohio | 43210 | — |
| OhioHealth Research and Innovation Institute - Riverside Methodist Hospital | Columbus | Ohio | 43214 | — |
| Oklahoma Heart Institute | Tulsa | Oklahoma | 74104 | — |
| Oregon Health Sciences University | Portland | Oregon | 97239 | — |
| Lehigh Valley Hospital | Allentown | Pennsylvania | 18103 | — |
| UPMC Heart and Vascular Institute Harrisburg | Harrisburg | Pennsylvania | 17043 | — |
| Penn State Milton S Hershey Medical Center | Hershey | Pennsylvania | 17033 | — |
| York Hospital | York | Pennsylvania | 17403 | — |
| Saint Thomas Health | Nashville | Tennessee | 37205 | — |
| Baylor Heart and Vascular Hospital | Dallas | Texas | 75226 | — |
| University of Texas Houston Health Science Center | The Woodlands | Texas | 77384 | — |
| University of Virginia Medical Center | Charlottesville | Virginia | 22908 | — |
| Inova Fairfax Hospital | Falls Church | Virginia | 22042 | — |
| Carilion Roanoke Memorial Hospital | Roanoke | Virginia | 24014 | — |
| CHI Franciscan Health System | Tacoma | Washington | 98405 | — |
| PeaceHealth Southwest Medical | Vancouver | Washington | 98664 | — |
| Aurora St. Luke's Medical Center | Milwaukee | Wisconsin | 53215 | — |
| Froedtert Memorial Lutheran Hospital | Milwaukee | Wisconsin | 53215 | — |
| Aspirus Heart and Vascular Institute - Research and Education | Wausau | Wisconsin | 54401 | — |
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 21 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02928497, 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 Apr 12, 2026 · Synced May 13, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02928497 live on ClinicalTrials.gov.