Study Design of a Phase 3, Open-Label Trial of the Safety and Efficacy of Recombinant Factor IX Fc Fusion Protein for the Prevention and Treatment of Bleeding Episodes in Previously Untreated Patients With Severe Hemophilia B

Beatrice Nolan, Steven Pipe, Marilyn J. Manco-Johnson, Pia Petrini, Margaret Ragni, Baisong Mei, Geoffrey Allen