FACTOR VIII AND METHODS OF PREPARATION OF ITS CONCENTRATES
DOI: http://dx.doi.org/10.30970/sbi.0801.330
Abstract
To correct factor deficiency or prevent bleeding in patients with hemophilia A, the replacement therapy is carried out. This therapy involves administrating plasma or recombinant preparations of factor VIII. A variety of plasma- and recombinant-derived factor preparations are used for haemophilia treatment in Ukraine. Depending on purification level, the following types of plasma-derived concentrates are defined: intermediate purity products obtained through classic techniques of precipitation/adsorption, and high-purity concentrates purified through ion exchange or affinity chromatography. Since the late 1980s, recombinant factor drugs were brought into use in medical practice. They are synthesised by a genetically engineered Chinese hamster ovary cell line or baby hamster kidney. Recombinant factors are classified in generations according to the additional content of impurity human or animal proteins in a final product. The article provides an analysis of the main plasma-derived and recombinant factor VIII preparations registered in Ukraine. Basic properties, methods of preparation and methods of viral inactivation are described. The advantages and disadvantages of plasma-derived and recombinant products are generalized.
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