ABSTRACT
The introduction of clotting factor concentrates led to major advances in hemophilia care. Rather than simply providing an alternative to plasma-derived concentrates, the introduction in the 1990s of recombinant concentrates added value to replacement therapy particularly with respect to prophylaxis and immune-tolerance induction. While the safety of plasma-derived concentrates has improved considerably, these concentrates may still pose an infectious risk through as-yet unknown pathogens and poor impurity constituent characterization. Recombinant concentrates are increasingly used because of their benefits in pathogen safety, convenience and the potential for unfettered supply. Yet worldwide they remain accessible only to a limited number of patients due to fear of the potential for inhibitor development, overestimation
Reference Link: http://www.ncbi.nlm.nih.gov/pubmed/21964312
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