Emicizumab PUPs and Nuwiq ITI Study

Summary

Participation Requirements

Description

Hemophilia A (HA) is a congenital bleeding disorder caused by deficient or dysfunctional factor VIII (FVIII) which leads to bleeding correlated with severity. Management is focused on FVIII replacement in reaction to a bleed or preventive as prophylaxis. Effective treatment is complicated by the: (1...

Hemophilia A (HA) is a congenital bleeding disorder caused by deficient or dysfunctional factor VIII (FVIII) which leads to bleeding correlated with severity. Management is focused on FVIII replacement in reaction to a bleed or preventive as prophylaxis. Effective treatment is complicated by the: (1) difficulty to administer standard replacement therapy via intravenous injection especially in infants and young children; and (2) development of inhibitors (FVIII neutralizing antibodies). Inhibitors can increase morbidity and mortality and exponentially raise the cost of health care. Although inherited and environmental risk factors for inhibitor formation have been identified, there is no effective strategy to prevent inhibitors from developing. Emicizumab (HEMLIBRA®) was recently approved by the Food and Drug Administration (FDA) in infants, children, and adults with congenital hemophilia A, with and without inhibitors, and offers hemostatic efficacy while reducing the burden of administration since it is given weekly, biweekly (every 2 weeks), or monthly via subcutaneous (SQ) route compared to the intravenous (IV) route of FVIII. This study prospectively investigates the safety, FVIII immunogenicity, and hemostatic efficacy of prophylactic HEMLIBRA® given with a concomitant low dose recombinant factor VIII (rFVIII) known as NUWIQ®, in HA infants and children <3 years old who have had little to no previous exposure to FVIII. In addition, the study investigates the safety and efficacy of a novel FVIII ITI regimen in children <21 with existing low and high titer inhibitors (LTI and HTI).

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