Study Evaluating of Recombinant Human Factor IX (BeneFIX) and a New Formulation of BeneFIX (rFIX-R) in Moderate to Severe Hemophilia B
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
Sponsor: Wyeth is now a wholly owned subsidiary of Pfizer
This PHASE3 trial investigates Hemophilia B and is currently completed. Wyeth is now a wholly owned subsidiary of Pfizer leads this study, which shows 5 recorded versions since 2026 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.
Status Flow
Change History
5 versions recorded-
Sep 2024 — Present [monthly]
Completed PHASE3
-
Jul 2024 — Sep 2024 [monthly]
Completed PHASE3
-
Jan 2021 — Jul 2024 [monthly]
Completed PHASE3
-
Jun 2018 — Jan 2021 [monthly]
Completed PHASE3
-
Jan 2017 — Jun 2018 [monthly]
Completed PHASE3
First recorded
Eligibility Summary
No eligibility information available.
Contact Information
- Wyeth is now a wholly owned subsidiary of Pfizer
For direct contact, visit the study record on ClinicalTrials.gov .
Study Locations
No location information available.