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CATALYST Trial

Clinical trial of atrial fibrillation patients comparing left atrial appendage occlusion therapy to non-vitamin K antagonist oral anticoagulants - CATALYST

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2072220013
Enrollment
120
Registered
2022-06-09
Start date
2022-04-27
Completion date
Unknown
Last updated
2025-07-18

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

Conditions

Atrial fibrillation Atrial fibrillation

Interventions

The device is intended to reduce the risk of thromboembolism from the LAA in patients with non-valvular AF who are at increased risk for stroke and systemic embolism based on CHADS2 or CHA2DS2-VASc sc

Sponsors

Kozuma Ken
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Documented paroxysmal, persistent, or permanent non-valvular AF (documentation must include an electrocardiogram, Holter, or event recorder) 2.At high risk of stroke or systemic embolism, defined as a CHA2DS2-VASc score of more than 3 3.Eligible for long-term NOAC therapy 4.Able to comply with the required NOAC medication regimen if randomized to the Control Group 5.Able to comply with the required medication regimen post-device implant if subject is randomized to the Device Group or subject is a Roll-in

Exclusion criteria

Exclusion criteria: 1.Requires long-term OAC therapy for a condition other than AF 2.Planned cardiac intervention or surgery, which is invasive or requires sedation or anesthesia, within 3 months following randomization, other than study-related procedures such as LAAO and cardiac imaging (if applicable) 3.Known contraindication to, or allergic to, aspirin, clopidogrel, or OAC medication use 4.Indicated for P2Y12 platelet inhibitor for > 1 year post-randomization 5.In the opinion of the investigator, is considered at high risk for general anesthesia and general anesthesia is planned for the study procedure 6.Has undergone atrial septal defect (ASD) repair or has an ASD closure device present 7.Has undergone patent foramen ovale (PFO) repair or has a PFO closure device implanted 8.Is implanted with a mechanical valve prosthesis 9.Is implanted with an inferior vena cava filter 10.History of rheumatic or congenital mitral valve heart disease

Design outcomes

Primary

MeasureTime frame
1.Composite of ischemic stroke, systemic embolism, or CV mortality through 2 years (non-inferiority) 2.Major bleeding or clinically relevant non-major bleeding (CRNMB) events, excluding procedure related events through 2 years (superiority)

Countries

Australia, Canada, Czech Republic, Denmark, England, France, Germany, Hong Kong, Italy, Japan, Netherlands, Poland, Spain, Switzerland, US

Contacts

Public ContactMizuho Nakagaki

Abbott Medical Japan LLC

mizuho.nakagaki@abbott.com+81-3-3524-1799

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Feb 4, 2026