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  • Treatment of Hemophilia A Patients With FVIII Inhibitors

    This study will capture different approaches in the management of persons with haemophilia A (HA) and inhibitors. HA is a serious blood coagulation disorder caused by a deficiency in FVIII that results in a failure to produce FVIII in sufficient quantities to achieve satisfactory haemostasis. Patients with HA are predisposed to recurrent bleeds into joints and soft tissues that culminate in debilitating arthropathy and long-term morbidity. HA can be effectively treated with replacement FVIII concentrates, obtained by fractionation of human plasma (pdFVIII) or using recombinant technology (rFVIII). In patients receiving FVIII replacement therapy, inhibitors can develop that neutralise the effect of treatment. Inhibitors develop in ~35% of patients who have not been previously exposed to FVIII treatment and ~1% of patients who have undergone previous FVIII treatment. Inhibitor development has major adverse implications on bleeding rates, morbidity, mortality and quality of life. Immune tolerance induction (ITI), which involves prolonged treatment with plasma-derived (pdFVIII) or recombinant FVIII (rFVIII), is the only clinically proven strategy for eradication of inhibitors and is recommended as the primary treatment option in European and US guidelines. Bypassing agents (activated recombinant factor VII [rFVIIa] and activated prothrombin complex concentrate [aPCC]) are used to manage bleeding episodes (BEs) and for prophylaxis or in surgical settings in patients with FVIII inhibitors. The bispecific factor IX (FIX) and factor X (FX) monoclonal antibody emicizumab was approved in the US in November 2017, and in Europe in February 2018. The overall objective of this study is to capture different approaches in the management of participants with HA and inhibitors, document current ITI approaches, and evaluate efficacy and safety of ITI, including the combination of FVIII and emicizumab. Patients will be assigned to 1 of 3 groups based on the treatments they receive: - Group 1 receives ITI with Nuwiq, octanate, or wilate, with aPCC or rFVIIa administered as needed - Group 2 receives ITI with Nuwiq, octanate, or wilate, in combination with emicizumab, with aPCC or rFVIIa administered as needed - Group 3 receives routine prophylaxis with emicizumab, aPCC or rFVIIa without ITI

    Phase

    N/A

    Span

    485 weeks

    Sponsor

    Emory University

    Morfelden-Walldorf

    Recruiting

  • PK Subtrial in Adolescent Patients With HAE Type I or II Participating in the KVD900-302 Trial

    Phase

    3

    Span

    193 weeks

    Sponsor

    KalVista Pharmaceuticals, Ltd.

    Morfelden-Walldorf

    Recruiting

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