Abstract
Virus filtration has been demonstrated to be an effective and robust dedicated viral clearance step that is used in biopharmaceutical manufacturing processes. Here we present virus filtration data from a multicompany collaboration with data compiled from WuXi Advanced Therapies’ and Charles River Laboratories’ internal viral clearance databases spanning more than 25 years. The data were sorted by virus removal and type and then further subdivided into murine leukemia virus only, pseudorabies virus only, and reovirus type 3 only categories to allow for analyses of viral clearance results. A total of 2311 virus filtrations were analyzed, composed of 1516 murine leukemia virus, 385 pseudorabies virus, and 410 reovirus type 3 virus filtrations. These data provide clear evidence that will help supplement both internal and industry-wide initiatives focused on using prior knowledge for the creation of modular claims for small virus retentive filters and allow better allocations of resources typically spent on potentially unnecessary studies.
- Virus filtration
- Modular viral clearance
- Small virus retentive filter
- Large virus retentive filter
- Viral clearance
- Murine leukemia virus (MuLV)
- Reovirus (Reo-3)
- Pseudorabies virus (PrV)
- © PDA, Inc. 2022
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