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Clinical Trial Summary

This is a phase II multicenter open-label, single-arm prospective study to evaluate the efficacy of prophylactic emicizumab administered on a scheduled basis to prevent bleeds in patients with acquired hemophilia A (AHA).


Clinical Trial Description

Patients with AHA who are eligible will receive two loading doses of the study drug, emicizumab (6mg/kg on day 1 and 3 mg/kg on day 2) followed by once weekly subcutaneous emicizumab (1.5 mg/kg). Immunosuppression will be given concurrently as per investigator discretion. The primary endpoint (bleed rate) will be assessed after 12 weeks on study drug. If partial remission of the AHA has not been achieved, an additional 12 weeks of study drug may be given. A historical cohort and a study conducted in parallel in Germany (NCT04188639) will serve as control groups for evaluation of secondary endpoints provided the study cohort are comparable. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05345197
Study type Interventional
Source University of Washington
Contact Danielle Matia, MPH
Phone 206-614-1157
Email danielle.matia@wacbd.org
Status Recruiting
Phase Phase 2
Start date August 31, 2022
Completion date January 2025

See also
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Completed NCT01178294 - Study of Modified Recombinant Factor VIII (OBI-1) in Subjects With Acquired Hemophilia A Phase 2/Phase 3
Recruiting NCT06461533 - A Survey of Susoctocog Alfa (Genetical Recombination) in Participants With Acquired Haemophilia A
Completed NCT02610127 - Post-Marketing Non-Interventional Safety Evaluation of Obizur in the Treatment of Bleeding Episodes for Patients With Acquired Hemophilia A
Completed NCT03384277 - Trial of Acquired Haemophilia With Steroid Combined With Cyclophosphamide Versus Steroid Combined With Rituximab Phase 4
Completed NCT03199794 - Prospective and Retrospective, Non-interventional Study to Evaluate the Safety and Effectiveness of Obizur in Real-life Practice
No longer available NCT01968655 - Expanded Access to B-Domain Deleted Recombinant Porcine Factor VIII (OBI-1) in the Treatment of Acquired Hemophilia A Due to Factor VIII Inhibitory Auto-antibodies