Study Evaluating rFIX; BeneFIX in Severe Hemophilia B

December 18, 2007 updated by: Wyeth is now a wholly owned subsidiary of Pfizer

An Open-Label, Single-Arm, Safety and Efficacy Study of Recombinant Human Factor IX (rFIX; BeneFIX®) in Children Less Than 6 Years of Age With Severe Hemophilia B

To characterize the safety and efficacy of rFIX in children less than 6 years of age with severe hemophilia B in the setting of acute bleeding episodes, prophylaxis, and/or surgery.

This study will provide an opportunity for systematic observation of treatment with rFIX in children less than 6 years of age regardless of prior FIX treatment. Younger patients exhibit a different pharmacokinetic profile and therefore may respond differently to rFIX infusions when compared with older children and adults. This evaluation will provide data from which recommendations can be made regarding rFIX dosing and treatment of these patients. Surveillance for certain observations that have been made in patients treated with rFIX in the clinical and postmarketing setting will be performed, including inhibitor development, thrombogenicity, FIX recovery/lack of effect, allergic-type manifestations, and RBC agglutination. Comparisons will be derived from published reports and communications describing experience with other FIX products and protein therapeutics in general.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment

20

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Colorado
      • Aurora, Colorado, United States, 80262
    • Michigan
      • Detroit, Michigan, United States, 48201
    • New Jersey
      • New Brunswick, New Jersey, United States, 08903
    • North Carolina
      • Chapel Hill, North Carolina, United States, 27599-7220
    • Ohio
      • Dayton, Ohio, United States, 45404
    • Texas
      • Houston, Texas, United States, 77030

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

No older than 5 years (Child)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Severe hemophilia B
  • Less than 5 years of age
  • In the investigator's judgment, the patient and/or caregiver will be compliant to study procedures

Exclusion Criteria:

  • A currently detectable FIX inhibitor. A family history of inhibitors will not exclude the patient.
  • Impaired liver function
  • Impaired renal function

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: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
To characterize the safety and efficacy of rFIX in children less than 6 years of age with severe hemophilia B in the setting of acute bleeding episodes, prophylaxis, and/or surgery.

Secondary Outcome Measures

Outcome Measure
To measure the incremental recovery of rFIX in children following a 75-IU/kg bolus infusion.

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 Start

September 1, 2002

Study Completion (Actual)

November 1, 2007

Study Registration Dates

First Submitted

May 17, 2002

First Submitted That Met QC Criteria

May 17, 2002

First Posted (Estimate)

May 20, 2002

Study Record Updates

Last Update Posted (Estimate)

December 27, 2007

Last Update Submitted That Met QC Criteria

December 18, 2007

Last Verified

December 1, 2007

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 3090A1-301

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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