Study to evaLuate the effIcacy and Safety of abeLacimab in High-risk Patients With Atrial Fibrillation Who Have Been Deemed Unsuitable for Oral antiCoagulation (LILAC-TIMI 76)

Patients enrolled in the study are randomized in a 1:1 ratio to receive abelacimab 150 mg SC or matching placebo once monthly. The study is comprised of 3 periods: 1) screening period of up to 60 days, 2) an event-driven, double-blind treatment period (abelacimab 150 mg SC or matching placebo) completed after at least 111 patients have experienced an adjudicated primary endpoint event, and 3) EoT visit in core part followed by either (i) a 30-day follow-up period (EoS for core part) OR (ii) an optional OLE beginning at the EoT visit for eligible patients to receive open-label abelacimab treatment. The optional extension will only be offered to patients following regulatory and ethics approval in participating countries.