BO41423 Emicizumab in Haemophilia A without FVIII Inhibitors
Research type
Research Study
Full title
A MULTICENTER, OPEN-LABEL STUDY TO EVALUATE THE SAFETY, EFFICACY, PHARMACOKINETICS, AND PHARMACODYNAMICS OF EMICIZUMAB IN PATIENTS WITH MILD OR MODERATE HEMOPHILIA A WITHOUT FVIII INHIBITORS
IRAS ID
269459
Contact name
Peter Collins
Contact email
Sponsor organisation
F Hoffmann-La Roche Ltd
Eudract number
2019-002179-32
Duration of Study in the UK
2 years, 0 months, 0 days
Research summary
Haemophilia A is an X-linked recessive bleeding disorder that occurs in approximately
1 in 5000 live male births.Patients with haemophilia A have a deficiency or absence of blood coagulation factor VIII(FVIII),an essential component of the intrinsic pathway in the coagulation cascade.Approximately 63% of people with haemophilia A have a moderate(19%)or severe(44%)form,leading to frequent bleeding events with the sequelae of musculoskeletal complications.
Emicizumab is a recombinant, humanized, bispecific, immunoglobulin G4 monoclonal antibody that binds with moderate affinity to activated factor IX and factor X, mimicking the co-factor function of FVIII. In patients with haemophilia A, haemostasis can be restored irrespective of the presence of FVIII inhibitors, as emicizumab shares no sequence homology with FVIII.In addition, emicizumab offers the possibility of SC administration, removing the need for venous access.Finally, because of the pharmacokinetic and pharmacodynamic properties of this antibody, use of emicizumab enables dosing once a week, every 2 weeks, or every 4 weeks.
Currently available experience with emicizumab in humans includes data from several studies. Based on the Phase III program, emicizumab gained approval in many countries and is indicated for routine prophylaxis to prevent bleeding or reduce the frequency of bleeding episodes in adults and children with haemophilia A with or without FVIII inhibitors and can be used in all age groups. In the European Union, the label is restricted to patients with severe haemophilia AThe aim of this study is to investigate emicizumab prophylaxis (evaluating the safety, efficacy, pharmacokinetics, and pharmacodynamics of emicizumab) in patients with mild or moderate haemophilia A without inhibitors against FVIII whose bleeding phenotype warrants prophylactic treatment.
Approx. 50 patients of all ages will be enrolled globally with 6 patients from 3 sites in the UK.The study is sponsored by F. Hoffman La Roche
Research Summary; Version 1.0 dated 26 June 2019REC name
South West - Central Bristol Research Ethics Committee
REC reference
19/SW/0153
Date of REC Opinion
9 Oct 2019
REC opinion
Further Information Favourable Opinion