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SIMPLAAFY Clinical Trial

Why SIMPLAAFY Clinical Trial?

The current post-implant antithrombotic therapy options include short-term OAC with a full-dose NOAC and aspirin for the first 45 days post-implant followed by P2Y12 and aspirin until 6 months post-implant or DAPT only including P2Y12 and aspirin for 6 months post implant. Patients remain on aspirin indefinitely. These current options may still carry bleeding risk during the peri-procedural period.

SIMPLAAFY is a randomized controlled trial that will evaluate two monotherapy regimens vs. DAPT after implant with the WATCHMAN FLX™ Pro Device in patients with AF. SIMPLAAFY will assess whether a less intensive drug regimen may help mitigate post-implant bleeding risk and provide other viable options for post-implant treatment.

  

Trial Design and Primary Endpoints

SIMPLAAFY Trial Design Endpoints

Primary Endpoints:

  • Reduced dose NOAC Primary Endpoint: Composite rate of all death, all stroke, systemic embolism and major bleeding at 6-months after randomization
  • Aspirin Primary Endpoint: Composite rate of all death, all stroke, systemic embolism and major bleeding at 6-months after randomization
  

Trial Timeline

The SIMPLAAFY clinical trial is a randomized, controlled trial that will include up to 1,857 patients located at approximately 125 US sites. See below for an overview of the study post-implant treatment timeline with a commercial WATCHMAN FLX Pro LAAC Device.
SIMPLAAFY Trial Timeline
^ Subjects must sign the study ICF before any study specific assessments can be carried out.
  

Patient Brochure

A patient facing brochure has been created to give to your trial candidates an overview of the trial. Contact a member of the clinical trial team if you are interested in receiving a supply of brochures. 
  

Patient Selection

group of people smiling and looking happy
The SIMPLAAFY clinical trial seeks to evaluate two monotherapy regimens as front-line alternatives to dual antiplatelet therapy (DAPT) following LAA closure with the WATCHMAN FLX Pro LAAC Device in patients with AF.
  
  
Find a Trial Site

Find a Trial Site

Boston Scientific has selected US sites to be SIMPLAAFY investigational centers. If you have a candidate in mind, view the active trial list provided by clinicaltrials.gov, and reach out to a study physician near you to discuss next steps for referral.

WATCHMAN FLX Pro Device Brief Summary
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