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  • Title: Development, upscaling and validation of the purification process for human-cl rhFVIII (Nuwiq®), a new generation recombinant factor VIII produced in a human cell-line.
    Author: Winge S, Yderland L, Kannicht C, Hermans P, Adema S, Schmidt T, Gilljam G, Linhult M, Tiemeyer M, Belyanskaya L, Walter O.
    Journal: Protein Expr Purif; 2015 Nov; 115():165-75. PubMed ID: 26318235.
    Abstract:
    INTRODUCTION: Human-cl rhFVIII (Nuwiq®), a new generation recombinant factor VIII (rFVIII), is the first rFVIII produced in a human cell-line approved by the European Medicines Agency. AIMS: To describe the development, upscaling and process validation for industrial-scale human-cl rhFVIII purification. METHODS AND RESULTS: The purification process involves one centrifugation, two filtration, five chromatography columns and two dedicated pathogen clearance steps (solvent/detergent treatment and 20 nm nanofiltration). The key purification step uses an affinity resin (VIIISelect) with high specificity for FVIII, removing essentially all host-cell proteins with >80% product recovery. The production-scale multi-step purification process efficiently removes process- and product-related impurities and results in a high-purity rhFVIII product, with an overall yield of ∼50%. Specific activity of the final product was >9000 IU/mg, and the ratio between active FVIII and total FVIII protein present was >0.9. The entire production process is free of animal-derived products. Leaching of potential harmful compounds from chromatography resins and all pathogens tested were below the limit of quantification in the final product. CONCLUSIONS: Human-cl rhFVIII can be produced at 500 L bioreactor scale, maintaining high purity and recoveries. The innovative purification process ensures a high-purity and high-quality human-cl rhFVIII product with a high pathogen safety margin.
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