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Trial of Rituximab Versus Oral Cyclophosphamide to Eradicate or Suppress Autoimmune Anti-Factor VIII Antibodies in Acquired Hemophilia A

Hemophilia A Clinical Trial

Official title:
A Prospective, Phase II/III Randomized, Mult-institutional Controlled, Open-label, Phase II Trial of Rituximab Versus Oral Cyclophosphamide to Eradicate or Suppress Autoimmune Anti-Factor VIII Antibodies in Patients With Acquired Hemophilia A

Clinical Trial Summary

The purpose of this study is to evaluate the rate of response when administering rituximab to suppress or eliminate the anti-body in a patient's blood that inhibits the effectiveness of their factor replacement product compared to treatment using cyclophosphamide. This is a Phase 2/3 study to find out what effects (good and bad) and response rituximab has on a patient and their anti-Factor VIII antibodies. Also, to compare the effect (good and bad) of the rituximab with cyclophosphamide on a patient and their anti-Factor VIII antibodies to see which is better. This research is being done because we do not know which treatment regimen (rituximab or cyclophosphamide) is more effective in eliminating or suppressing the anti-Factor VIII antibody in patients with acquired Hemophilia A.

Clinical Trial Description

This is a prospective Phase II randomized multi-institutional controlled pilot trial comparing the regimen of single agent rituximab with 6 weeks cytotoxic therapy with oral cyclophosphamide to eradicate or suppress autoimmune anti-factor VIII antibodies in individuals with acquired hemophilia A. Patients will be randomized to receive either of these two regimens when their autoimmune anti-factor VIII antibodies prove to be refractory to initial upfront immunosuppressive treatment with oral prednisone 1 mg/kg/day (or equivalent corticosteroid doses) for 3 weeks. Patients will be randomized to the treatment cohorts according to the biostatistical methods. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00306670
Study type Interventional
Source Georgetown University
Contact
Status Terminated
Phase Phase 2/Phase 3
Start date April 2006
Completion date August 2011
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