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Study Evaluating of Recombinant Human Factor IX (BeneFIX) and a New Formulation of BeneFIX (rFIX-R) in Moderate to Severe Hemophilia B

This study has been completed.
Information provided by:
Wyeth is now a wholly owned subsidiary of Pfizer Identifier:
First received: October 4, 2004
Last updated: December 3, 2007
Last verified: December 2007
The primary objective of this clinical research study is to establish the bioequivalence of 2 treatments, rFIX and rFIX-R, when given as a 10-minute intravenous bolus infusion.

Condition Intervention Phase
Hemophilia B
Drug: rFIX
Drug: rFIX-R
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Primary Purpose: Treatment
Official Title: A Double-Blind, Randomized, Crossover Evaluation of the Pharmacokinetics of Recombinant Human Factor IX (BeneFIX) and a New Formulation of BeneFIX (rFIX-R); and an Open-Label Safety and Efficacy Evaluation of rFIX-R in Previously Treated Patients With Moderate to Severe (FIX:C≤2%) Hemophilia B

Resource links provided by NLM:

Further study details as provided by Wyeth is now a wholly owned subsidiary of Pfizer:

Study Completion Date: September 2005

Ages Eligible for Study:   12 Years and older   (Child, Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Moderate to severe hemophilia B (FIX: C ≤2%)
  • Previously treated patients (PTPs) with ≥150 documented exposure days
  • Age ≥ 12 years (US sites only)

Exclusion Criteria:

  • Detectable factor IX inhibitor defined as ≥0.6 Bethesda Units for pooled plasma reported by the local laboratory (family history of inhibitors will not exclude the patient)
  • Patient history of factor IX inhibitor replacement therapy
  • Patient unable to be off factor IX replacement therapy for at least 5 days without bleeding
  Contacts and Locations
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Please refer to this study by its identifier: NCT00093210

Sponsors and Collaborators
Wyeth is now a wholly owned subsidiary of Pfizer
Study Director: Medical Monitor, MD Wyeth is now a wholly owned subsidiary of Pfizer
  More Information

Publications automatically indexed to this study by Identifier (NCT Number): Identifier: NCT00093210     History of Changes
Other Study ID Numbers: 3090A1-304
Study First Received: October 4, 2004
Last Updated: December 3, 2007

Additional relevant MeSH terms:
Hemophilia A
Hemophilia B
Blood Coagulation Disorders, Inherited
Blood Coagulation Disorders
Hematologic Diseases
Coagulation Protein Disorders
Hemorrhagic Disorders
Genetic Diseases, Inborn
Genetic Diseases, X-Linked processed this record on April 27, 2017