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Advances in Sterilization Technologies for Overcoming Viral-Vector Manufacturing Challenges

May 6, 2024


Sterility must be assured for all biologic drug products. Terminal sterilization achieved via treatment with heat, radiation, or certain chemicals (vaporous hydrogen peroxide, vaporous peracetic acid, or ethylene oxide) is preferred, but it is only applicable to drug substances that remain stable under the harsh conditions involved. For most biologics, therefore, sterility must be assured by using aseptic processing techniques, which involve use of sterile raw materials, equipment, and processes under conditions that prevent microbial contamination and maintain sterility. Viral vectors are no exception.

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