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Comprehensive LEFt Atrial Appendage Occlusion With Rhythm Restoration

Study acronym: CLEAR
StatusRecruiting
PhaseNot applicable
Started2026-03-31
View on ClinicalTrials.gov ↗

Amendment history

2026-07-10
Study Status, Contacts/Locations v2
Trial sites expanded: 13 → 16 locations
2026-05-22
Study Identification, Study Status, Sponsor/Collaborators, Oversight, Study Description, Conditions, Study Design, Arms and Interventions, Outcome Measures, Eligibility, Contacts/Locations v1
Trial status changed: Withheld → Recruiting
Phase changed: not specified → not applicable
Primary endpoint(s) modified
Enrollment changed: None → 240
Sponsor changed: [Redacted] → Abbott Medical Devices+12 characters
Was[Redacted]
NowAbbott Medical Devices
Trial arms changed: 0 → 1
Trial sites expanded: 0 → 13 locations
Primary completion datenot stated→2027-05-31
Completion datenot stated→2028-02-28
Start datenot stated→2026-03-31
Study title+4 characters
[TrialComprehensive ofLEFt deviceAtrial thatAppendage isOcclusion notWith approvedRhythm or cleared by the U.S. FDA]Restoration
2026-04-06
Original filing
The objective of this clinical investigation is to evaluate the feasibility, safety, and effectiveness of a concomitant procedure involving the Volt PFA System and Amulet 2 device in patients indicated for both AF ablation and percutaneous LAAO.
Trial Details
NCT Number NCT07523620
Lead Sponsor Abbott Medical Devices
Conditions Atrial Fibrillation (AF), Paroxysmal AF, Persistent Atrial Fibrillation
Enrollment 240 participants
Start Date 2026-03-31
Primary Completion 2027-05-31 (estimated)
Study Completion 2028-02-28 (estimated)
Updated on ClinicalTrials.gov 2026-07-13