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Clinical trialNCT03539055CompletedPhase 4Interventional

Efficacy of Short Term Dabigatran Etexilate Followed by Aspirin Monotherapy After LAA (Left Atrial Appendage) Device Closure (the DEA-LAA Study).

SponsorVanderbilt University Medical CenterEnrollment100Atrial FibrillationDevice Related ThrombusLeft Atrial Appendage ThrombosisWatchman LAA Closure Device
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

Single arm, prospective unblinded study on post Watchman LAA closure device implant anti-coagulation management at a primary center (Vanderbilt Medical Center) and up to 5 additional high volume LAA implant centers. This trial will be designed to evaluate the use of dabigatran for 90 days post implantation of an LAA closure device (Watchman LAA Closure Device, Boston Scientific Inc.) to prevent device related thrombus.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Vanderbilt University Medical Center

    Nashville, Tennessee, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Dabigatran etexilate →
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
1 Sept 2018
Primary completion
31 Dec 2023
Completion
29 Feb 2024
Last update posted
10 Jun 2025
Registered enrollment
100
Registry id
NCT03539055
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.