Qualifying members can access an on-demand library of active reports for online viewing at no additional cost through the PDA Portal .
With the increasing complexity of biologics, monoclonal antibodies (mAbs), and small-molecule drugs, sterilizing filtration validation is more critical than ever. The 2025 revision, like its predecessors (2008 revision), addresses the nuances of processing high-viscosity or low-surface-tension products.
A sterilizing-grade filter must completely remove a high challenge of a specific microorganism.
According to PDA TR 26, successful validation of a sterile filtration process involves several critical elements: Bacterial Retention Testing Pda Technical Report 26 Pdf Free Free Download
Ensuring the drug product does not degrade the filter membrane, housing, or O-rings, and that the filter does not alter the product.
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Becoming a PDA member provides more than just a discount. A membership often includes access to a library of technical reports and journal articles as a core benefit. While access may be limited to the "full library" of older reports or require an extra fee for the most current ones, the overall value is immense. As of 2025, PDA membership benefits also included twelve recorded sessions from past annual meetings and access to 24 downloadable resources, showcasing the broad value proposition. Qualifying members can access an on-demand library of
As of late 2025, the latest revision (Revised 2025) is available through the PDA Bookstore , reflecting modern filtration advancements.
To ensure compliance and data integrity, pharmaceutical professionals should obtain the document directly from official channels:
Many pharmaceutical companies provide company-wide access to the PDA Bookstore through their internal library systems. A sterilizing-grade filter must completely remove a high
Because it is a copyrighted, proprietary document standardly sold through the PDA bookstore, searching for a "free download" often leads to unsafe websites or outdated versions. Understanding its core regulatory expectations and validation requirements is essential for maintaining compliance. What is PDA Technical Report 26?
The latest revision introduces surface-area thresholds for testing large filter assemblies (>1.8 m²) and clarifies the distinct roles of filter suppliers versus end-users. Revalidation Requirements