The state of the art of removal of prion proteins in SD-FFP, by specific prion affinity chromatography and its impact on the hemostatic characteristics of the product

Transfusion and Apheresis Science : Official Journal of the World Apheresis Association : Official Journal of the European Society for Haemapheresis
Andrea Neisser-Svae, Jerard Seghatchian

Abstract

In recent Coimbra' Conference, on the pre-launch of pathogen reduced-FFP for the local clinical use, the question was raised, by the moderator, on the efficacy of the current methodology used for prion removal processes and its influence on the overall quality and safety of the final product. This brief paper put together by speaker of this session and the moderator, as a consensus of opinions, which was largely discussed during Q&A session, to make it available to a large group of readers of transfusion apheresis science, who might be interested to this topic. In short the capacity of the current process of Octaplas to remove prion is in order of 5.6 log10/ID50 reduction based on several animal studies. Moreover the changes in coagulation and inhibitors are within acceptable range and bioequivalent to untreated FFP with no sign of inferiority. This paper describes in brief a technology update on solvent/detergent treated plasma, an alternative to FFP but with increased pathogen safety. The biochemical profile of the final product is comparable with FFP and contains all clinically relevant plasma proteins. Furthermore, Octaplas is a product that, in long term, reduces health care costs.

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Citations

Mar 10, 2015·Transfusion and Apheresis Science : Official Journal of the World Apheresis Association : Official Journal of the European Society for Haemapheresis·Jerard Seghatchian

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