# The Fourth Left Atrial Appendage Occlusion Study

> **NCT05963698** · NA · RECRUITING · sponsor: **Hamilton Health Sciences Corporation** · enrollment: 4000 (estimated)

## Conditions studied

- Atrial Fibrillation
- Stroke, Ischemic
- Systemic Embolism

## Interventions

- **DEVICE:** WATCHMAN device

## Key facts

- **NCT ID:** NCT05963698
- **Lead sponsor:** Hamilton Health Sciences Corporation
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2023-11-30
- **Primary completion:** 2029-09-01
- **Final completion:** 2029-12-01
- **Target enrollment:** 4000 (ESTIMATED)
- **Last updated:** 2026-03-12

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05963698

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05963698, "The Fourth Left Atrial Appendage Occlusion Study". Retrieved via AI Analytics 2026-07-03 from https://api.ai-analytics.org/clinical/NCT05963698. Licensed CC0.

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