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B-LONG: An Open-Label, Multicenter Evaluation of the Safety, Pharmacokinetics, and Efficacy of Recombinant, Long-acting Coagulation Factor IX Fc Fusion Protein (rFIXFc) in the Prevention and Treatment of Bleeding in Previously Treated Subjects With Hemophilia B

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Trial Profile

B-LONG: An Open-Label, Multicenter Evaluation of the Safety, Pharmacokinetics, and Efficacy of Recombinant, Long-acting Coagulation Factor IX Fc Fusion Protein (rFIXFc) in the Prevention and Treatment of Bleeding in Previously Treated Subjects With Hemophilia B

Status: Completed
Phase of Trial: Phase II/III

Latest Information Update: 05 Feb 2024

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At a glance

  • Drugs Eftrenonacog alfa (Primary) ; Nonacog alfa
  • Indications Haemophilia B
  • Focus Adverse reactions; Registrational; Therapeutic Use
  • Acronyms B-LONG
  • Sponsors Biogen Idec; Bioverativ

    • Most Recent Events

    • 01 Jan 2024 Results from HOPE-B, PROLONG-9FP, B-LONG and Paradigm 2, published in the Haemophilia
    • 09 Dec 2023 Results of MAIC analyses using summary-level data from the B-LONG trial and other study; estimating the efficacy of rIX-FP versus rFIXFc , published in the Advances in Therapy
    • 09 Nov 2022 Results assessing Cost-Effectiveness of Recombinant Factor IX Fc Prophylaxis and Recombinant Factor IX On-Demand Treatment in Patients With Haemophilia B Without Inhibitors presented at the 25th Annual European Congress of the International Society for Pharmacoeconomics and Outcomes Research

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