Skip to content

China REgistry of WATCHMAN

China REgistry of WATCHMAN Left Atrial Appendage Closure for Non-valvular Atrial Fibrillation

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03014557
Acronym
CREW
Enrollment
413
Registered
2017-01-09
Start date
2016-11-30
Completion date
2023-12-31
Last updated
2017-01-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Atrial Fibrillation, Left Atrial Appendage Closure

Keywords

atrial fibrillation, left atrial appendage closure, WATCHMAN

Brief summary

This registry is designed to observe the safety and effectiveness of WATCHMAN left atrial appendage closure technology in a Chinese population.

Detailed description

In this prospective, multi-center, single arm observational study, 413 patients with non-valvular atrial fibrillation intended to be implanted with a WATCHMAN device based on real clinical practice will be enrolled. Enrolled subjects will be followed up for 5 years.Primary endpoints include stroke, systematic embolism, cardiovascular death, and procedure or device related complications, etc.

Interventions

DEVICEleft atrial appendage closure device implantation

to permanently implant a WATCHMAN left atrial appendage closure device through trans-catheter approach

Sponsors

Boston Scientific Corporation
CollaboratorINDUSTRY
Fu Wai Hospital, Beijing, China
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

Non-valvular atrial fibrillation patient with CHA2DS2-VASC≥2, and with any one of the following items: 1. not suitable for long-term anti-coagulation therapy; 2. stroke or embolism events in spite of warfarin treatment with intended INR 3. HAS-BLED≥3

Exclusion criteria

Patient with any one of the following items will be excluded from the study: 1\. clinical

Design outcomes

Primary

MeasureTime frameDescription
all-cause death, ischemic stroke, systemic embolism, or device or procedure related eventsbetween the time of enrollment and within 7 days of the procedure or by hospital discharge, whichever is laterevents requiring open cardiac surgery or major endovascular intervention such as pseudoaneurysm repair, AV fistula repair, or other major endovascular repair.
composite endpoint of hemorrhagic stroke, ischemic stroke, systemic embolism or cardiovascular/unexplained death.2 years

Secondary

MeasureTime frameDescription
Implantation success rate.procedureImplantation success is defined as successful delivery and release of WATCHMAN into the LAA including successful recapture and retrieval if necessary.
Ischemic stroke or systemic embolismexcluding the first 7 days post enrollment.
All Major Complications.up to 5 yearsMajor complication is defined as death, stroke, MI or any other serious adverse events related to the device or procedure.
All-cause death.up to 5 years

Countries

China

Contacts

Primary ContactZhengqin Zhai, MD PhD
384358085@qq.com

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026