RIBO LIFE SCIENCE (06938.HK) -2.250 (-3.475%) announced that its core product Vortosiran (RBD4059) has successfully submitted a Phase 2b clinical trial application (CTA) to the European Medicines Agency (EMA) for stroke prevention in patients with atrial fibrillation (SPAF). This marks the worlds first small interfering RNA (siRNA) Factor XI (FXI) inhibitor in clinical trials for atrial fibrillation (AF), representing a significant milestone in the clinical development of siRNA therapeutics in the field of anticoagulation therapy.The study forms part of the companys broader Phase 2b clinical program, which encompasses multiple planned studies targeting various thromboembolic cardiovascular indications.Vortosiran is an siRNA therapeutic designed for the treatment of thrombotic diseases. It precisely and durably inhibits FXI, blocking the FXI-mediated coagulation pathway and thereby suppressing FXI coagulation activity. The therapy aims to deliver robust protection against thromboembolism while significantly reducing bleeding risk. Compared with existing anticoagulation treatments, it is expected to enhance patients clinical benefits while lowering bleeding risk. (jl/w)(HK stocks quote is delayed for at least 15 mins.)
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