Phase 3
N=25
Study To Compare On-Demand Treatment To A Prophylaxis Regimen Of BeneFIX In Subjects With Moderately Severe to Severe Hemophilia B
Hemophilia B
Bottom Line
View on ClinicalTrials.gov: NCT01335061 ↗Enrolled (actual)
25
Serious AEs
10.0%
Results posted
May 2015
Primary outcome: Primary: Annualized Number of Bleeding Episodes. — 32.9; 3.6 Number of bleeds per year — p=<0.0001
Study Design & Population
- Study type
- Interventional
- Phase
- Phase 3
- Interventions
- Nonacog alfa (Biological)
- Age
- Pediatric, Adult, Older Adult · 12+ yrs
- Sex
- Male
- Sponsor
- Pfizer
- Primary completion
- Apr 2014
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Annualized Number of Bleeding Episodes. |
32.9; 3.6 | <0.0001 sig |
| SECONDARY Response to On-Demand Treatment for All Bleeding Episodes. |
271; 39; 177; 80; 55; 33 | — |
| SECONDARY Number of Nonacog Alfa, Recombinant Factor IX (BeneFIX) Infusions Used to Treat Each Bleeding Episode. |
416; 69; 9; 3; 10 | — |
| SECONDARY Number of Breakthrough (Spontaneous/Non-Traumatic) Bleeds Within 48 Hours of a Prophylaxis Dose of BeneFIX. |
1.0 | — |
| SECONDARY Average Infusion Dose. |
52; 99 | — |
| SECONDARY Total Factor Consumption. |
707; 4985 | — |
| SECONDARY Incidence of Less Than Expected Therapeutic Effect (LETE) |
0; 0; 0 | — |
Summary
The purpose of this study will be to determine if a once-weekly prophylaxis regimen of BeneFIX in subjects with moderately severe to severe Hemophilia B is safe and effective.
Eligibility Criteria
Inclusion Criteria
- Documented history of moderately-severe to severe hemophilia B (FIX activity ULN (upper limit of normal) of the reporting laboratory.
- Subjects with a known hypersensitivity to any FIX product or hamster protein.
Data sourced from ClinicalTrials.gov (NCT01335061). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.