Emory University
This is a non-interventional, multicenter, observational, international study in male persons with haemophilia A who have developed inhibitors to any replacement coagulation factor VIII (FVIII) product. The purpose of the study is to capture different approaches in the management of persons with haemophilia A and FVIII inhibitors, document current immune tolerance induction approaches, and evaluate the efficacy and safety of immune tolerance induction, including the combination of FVIII and emicizumab. Patients will be assigned to 1 of 3 groups based on the treatments they receive, and may switch to another group if their treatment is changed. Participants will be followed after a maximum observational period of 5 years.
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 (rFVI…
Inclusion Criteria: * Male persons with haemophilia A, of any severity, who have a historical inhibitor titer ≥ 0.6 BU/mL, including those who have failed previous immune tolerance induction (ITI) attempt(s) * Persons undergoing ITI with Nuwiq, octanate, or wilateor undergoing ITI with Nuwiq®, octanate® or wilate® and receiving prophylactic therapy with emicizumab, activated prothrombin complex concentrate (aPCC), or activated recombinant factor VII (rFVIIa) * Participants or participants' parent(s)/legal guardian(s) must be capable of giving signed informed consent and be able to understand…
Nuwiq is a recombinant FVIII concentrate from a human cell line. It is administered via intravenous injection at a dosage determined by the investigator's discretion, in consideration of the participants' clinical condition and prescribing information.
Octanate is a high-purity human Factor VIII / von Willebrand Factor (VWF) concentrate. It is administered via intravenous injection at a dosage determined by the investigator's discretion, in consideration of the participants' clinical condition and prescribing information.
Wilate is a high-purity human von Willebrand Factor (VWF)/Factor VIII concentrate. It is administered via intravenous injection at a dosage determined by the investigator's discretion, in consideration of the participants' clinical condition and prescribing information.
Emicizumab is a therapeutic antibody which brings activated factor IX and factor X together It is administered via subcutaneous injection at a dosage determined by the investigator's discretion, in consideration of the participants' clinical condition and prescribing information.
Recombinant factor VIIa (rFVIIa) is a blood factor VII manufactured using recombinant technology. It is administered via intravenous injection at a dosage determined by the investigator's discretion, in consideration of the participants' clinical condition and prescribing information.
Activated prothrombin complex concentrate (aPCC) is an anti-inhibitor coagulant complex acting on multiple pathways to facilitate coagulation. It is administered via intravenous injection at a dosage determined by the investigator's discretion, in consideration of the participants' clinical condition and prescribing information.
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