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

December 3, 2007 updated by: Wyeth is now a wholly owned subsidiary of Pfizer

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

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.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Phase

  • Phase 3

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

12 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Wyeth is now a wholly owned subsidiary of Pfizer

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Completion (Actual)

September 1, 2005

Study Registration Dates

First Submitted

October 4, 2004

First Submitted That Met QC Criteria

October 6, 2004

First Posted (Estimate)

October 7, 2004

Study Record Updates

Last Update Posted (Estimate)

December 5, 2007

Last Update Submitted That Met QC Criteria

December 3, 2007

Last Verified

December 1, 2007

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 3090A1-304

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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