MedPath

REGN9933

Generic Name
REGN9933

Regeneron's Factor XI Antibodies Show Promise in Phase 2, Advancing to Phase 3

• Regeneron's REGN7508 demonstrated superior efficacy to enoxaparin in preventing venous thromboembolism (VTE) after knee surgery, with a 7% VTE event rate compared to 21%. • REGN9933 showed non-inferiority to enoxaparin in VTE prevention post-knee surgery, offering a potential option for patients at high bleeding risk. • Both REGN7508 and REGN9933 exhibited robust antithrombotic effects with no clinically relevant bleeding observed in Phase 2 trials. • Regeneron plans to initiate Phase 3 trials for REGN7508 and REGN9933 in 2025, marking a significant step in developing safer anticoagulation therapies.
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