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

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.

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Key information

Conditions

Hemophilia B Blood Coagulation Disorders Blood Coagulation Disorders, Inherited Coagulation Protein Disorders Congenital, Hereditary, and Neonatal Diseases and Abnormalities Genetic Diseases, Inborn Genetic Diseases, X-Linked Hematologic Diseases Hemic and Lymphatic Diseases Hemorrhagic Disorders

Age range

12 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

rFIX

Drug

rFIX-R

Drug

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Sponsors and collaborators

Lead sponsor

Wyeth is now a wholly owned subsidiary of Pfizer

Industry

Registry information

Official study 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

Important dates

Study completion: 2005
First posted: Oct 7, 2004
Registry last updated: Dec 5, 2007

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed