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REGN 9933

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Drug Profile

REGN 9933

Alternative Names: REGN-9933

Latest Information Update: 04 Mar 2026

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At a glance

  • Originator Regeneron Pharmaceuticals
  • Class Antiarrhythmics; Antithrombotics; Monoclonal antibodies
  • Mechanism of Action Factor XI inhibitors
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    No
  • New Molecular Entity Yes
  • Available For Licensing Yes

Highest Development Phases

  • Phase II Atrial fibrillation; Venous thromboembolism
  • No development reported Thrombosis

Most Recent Events

  • 24 Feb 2026 Regeneron Pharmaceuticals plans the phase III ROXI-INCLINE trial for Ischaemic stroke and Embolism (Prevention) in March 2026 (NCT07430956)
  • 06 Jan 2026 Regeneron Pharmaceuticals plans a phase III ROXI-PALISADE trial for Venous thromboembolism (Prevention) in March 2026 (NCT07318610)
  • 08 Nov 2025 Efficacy data from the phase II ROXI-VTE I trial in Venous thromboembolism presented at the American Heart Association Scientific Sessions 2025 (AHA-2025)

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