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NCT07262255Active, not recruiting

WATCHMAN FLX Pro European Registry

Source: ClinicalTrials.gov · Last updated 2 Oct 2026

Brief summary (registry, in English)

The WATCHMAN FLX Pro European registry is intended to gather real world clinical data for patients undergoing left atrial appendage closure (LAAC) with the WATCHMAN FLX™ Pro device. In a subregistry with approximately 300 patients, it is intended to use the VersaCross Connect™ LAAC Access Solution.

Status (registry)
Active, not recruiting
Study type
Observational
Enrollment
189 (actual)
First submitted
17 Nov 2025
Start date
17 Dec 2025
Primary completion date
31 Aug 2027
Lead sponsor
Boston Scientific Corporation
NCT number
NCT07262255

What you commit to

  • Study type: Observational
  • Participants enrolled: 189
  • From 17 Dec 2025 to the primary completion date, 31 Aug 2027
  • 20 sites in 6 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Other illness

  • Subject has a known hypersensitivity or contraindications according to IFU.

Other

  • Subject has a documented life expectancy of less than 12 months.
  • Subject who is currently enrolled in another investigational study or registry except when the subject is participating in a mandatory governmental registry, or a purely observational registry with no associated treatments.
  • Intracardiac thrombus is present.
  • An atrial septal defect repair or closure device or a patent foramen ovale repair or closure device is present.
  • The LAA anatomy will not accommodate a Closure Device.
  • Subject is of childbearing potential and is, or plans to become, pregnant during the time of the study.

Who the study is looking for

  • Subject is attempted to be treated with the WATCHMAN FLX™ Pro LAAC device.
  • Subject has non-valvular atrial fibrillation (i.e., atrial fibrillation in the absence of moderate or greater mitral stenosis or a mechanical heart valve) and is clinically indicated for a WATCHMAN FLX™ Pro LAAC device, per the Instructions for Use (IFU).
  • Subject or legal representative who are willing and capable of providing informed consent.
  • Subject is able and willing to return for required follow-up visits and examinations.
  • Subject whose age is 18 years or above, or who is of legal age to give informed consent specific to state and national law.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (20)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
University Hospital Basel
Coordinator of this site? Confirm its status
BaselSwitzerlandUnknown status
Inselspital Universitätsspital Bern
Coordinator of this site? Confirm its status
BernSwitzerlandUnknown status
Herz- und Diabeteszentrum Nordrhein-Westfalen
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Bad OeynhausenGermanyUnknown status
Charité Campus Benjamin Franklin
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BerlinGermanyUnknown status
Kath Krankenhaus St Johann Nepomuk
Coordinator of this site? Confirm its status
ErfurtGermanyUnknown status
Asklepios Klinik Saint Georg
Coordinator of this site? Confirm its status
HamburgGermanyUnknown status
Asklepios Klinik Altona
Coordinator of this site? Confirm its status
HamburgGermanyUnknown status
Asklepios Klinik Nord - Heidberg
Coordinator of this site? Confirm its status
HamburgGermanyUnknown status
Universitaetsklinikum Schleswig-Holstein
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LübeckGermanyUnknown status
Aarhus University Hospital
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AarhusDenmarkUnknown status
Rigshospitalet, Copenhagen
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CopenhagenDenmarkUnknown status
Hospital de León
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LeónSpainUnknown status
Clínica Universidad de navarra
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PamplonaSpainUnknown status
Complejo Hospitalario de Pontevedra
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PontevedraSpainUnknown status
Complejo Hospitalario Universitario de Pontevedra
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PontevedraSpainUnknown status
Hospital Clinico Salamanca
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SalamancaSpainUnknown status
Azienda Ospedaliero Universitaria Policlinico "G. Rodolico - San Marco"
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CataniaItalyUnknown status
Centro Cardiologico Monzino
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MilanItalyUnknown status
Ospedale Sacro Cuore-Don Calabria
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VeronaItalyUnknown status
Uniwersytecki Szpital Kliniczny w Poznaniu
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PoznanPolandUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.