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Meeting Report: PDA Virus and TSE Safety Forum

Hannelore Willkommen, Johannes Blümel, Kurt Brorson, Dayue Chen, Qi Chen, Albrecht Gröner, Thomas R Kreil, James S Robertson, Michel Ruffing, Sol Ruiz
PDA Journal of Pharmaceutical Science and Technology 2013, 67 (2): 81-97
23569070

UNLABELLED: The report provides a summary of the presentations and discussions of the Virus & TSE (transmissible spongiform encephalopathy) Safety Forum 2011 that was organized by the Parenteral Drug Association and held in Barcelona, Spain, on 28-30 June, 2011. The conference was accompanied by a workshop named "Virus Removal by Filtration: Trends and New Developments." A summary of the workshop is provided as a separate report and will be published in this journal as well. The risk of virus contamination and mitigation strategies for medicinal products, sequence-based methods for virus detection, and virus reduction studies that characterize the capacity of specific unit operations for virus removal/inactivation were reported during the Virus Safety Forum. The application of the design of experiment concept to virus safety studies, and the extensive work performed to understand the mechanism of action and to identify critical process parameters for virus removal/inactivation, have produced considerable data. They were provided during the conference and discussed. This report summarized not only the presented data; it also provides a summary of the panel discussion, which included representatives of regulatory agencies from different areas (USA, Europe, Japan) as well as experts from universities and industry. The TSE Safety Forum provided first an overview of the scientific data considering the occurrence of TSEs and the epidemiological situation in different areas. For production of cell-derived medicinal products, the risk of contamination occurs from bovine-derived raw materials like fetal bovine serum or from other raw materials produced with animal-derived components. The current risk of plasma-derived medicinal products from contamination of plasma with the variant Creutzfeldt-Jakob disease agent was considered, and gaps in knowledge and interpretation of TSE studies were discussed from the regulatory standpoint. Current understanding and gaps were intensively discussed by a panel of experts from universities, regulatory agencies and industries; they are summarized in this report.

LAY ABSTRACT: The report provides a summary of the presentations and discussions on the Virus & TSE (transmissible spongiform encephalopathy) Safety Forum 2011 that was organized by the Parenteral Drug Association and held in Barcelona, Spain, on 28-30 June, 2011. The conference was accompanied by a workshop named "Virus Removal by Filtration: Trends and New Developments." A summary of the workshop will be published separately in this journal. The risk of virus contamination and mitigation strategies for medicinal products, sequence-based methods for virus detection, and results of virus reduction studies were reported during the Virus Safety Forum. The application of the design of experiment concept to virus safety studies and data identifying critical process parameters for virus removal/inactivation were discussed. This report summarises the presentations and the panel discussion, which included representatives of regulatory agencies from different areas (USA, Europe, Japan) as well as experts from universities and industry. The TSE Safety Forum considered the occurrence of TSEs in different areas. The TSE risk from raw materials and the risk of contamination with the variant Creutzfeldt-Jakob disease agent from human plasma were considered, and gaps in knowledge and interpretation of TSE studies were discussed from the regulatory standpoint. The results of the conference were discussed by a panel of experts. They are summarized in this report.

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