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
Endpoint Classification: Safety/Efficacy Study
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
Genders Eligible for Study:   Both
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
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

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
Health Authority: United States: Food and Drug Administration

Additional relevant MeSH terms:
Hemophilia B
Blood Coagulation Disorders
Blood Coagulation Disorders, Inherited
Coagulation Protein Disorders
Genetic Diseases, Inborn
Genetic Diseases, X-Linked
Hematologic Diseases
Hemorrhagic Disorders processed this record on May 26, 2016