Hemophilia A Clinical Trial
Official title:
Inhibitor Development in Previously Untreated Patients (PUPs) or Minimally Blood Component-Treated Patients (MBCTPs) When Exposed to Plasma-derived Von Willebrand Factor-Containing Factor VIII (VWF/FVIII) Concentrates and to Recombinant Factor VIII (rFVIII) Concentrates: An Independent, International, Multicentre, Prospective, Controlled, Randomised, Open Label, Clinical Trial
The primary objective of the study is to assess the immunogenicity of VWF/FVIII and of rFVIII concentrates by determining the frequency of inhibitor development in previously untreated patients (PUPs) or minimally blood component-treated (MBCTPs) in the first 50 EDs or in the first 3 years from enrollment, whichever occurs first.
Patients meeting the enrollment criteria will be consecutively enrolled at each participating centre, randomized to be treated exclusively with a single FVIII product either plasma-derived or recombinant, and followed up until inhibitor development or until 50 exposure days (EDs) or 3 years from enrolment have elapsed, whichever comes first. Study products, belonging to the class of rFVIII concentrates and to the class of plasma-derived VWF/FVIII concentrates, will be provided for free to the patients for all the duration of the study ;
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Basic Science
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