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Solving the Challenge of High pH Injectable Drug Products
Click Here

Solving the Challenge of Single-Use Large-Volume Delivery for Patient Self-Injection
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Regulatory Support
West Regulatory Affairs provides a single point of contact to assist with global registration strategies for all West products and processes.
Regulatory Support
Knowledge Center
The West Knowledge Center provides scientific insight and more detailed technical information on key areas of expertise featuring technical reports, bulletins and science posters.
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Latest Post
August 14, 2018
Protein Adsorption to Primary Container Systems - Why Is It Important?
Primary container systems for storage and delivery of protein and peptide drugs (i.e., biologics), including vials and prefillable syringes, are typically made of glass or polymer, and include an elastomeric component (stopper or plunger). Proteins adsorb to most surfaces. Generally, the resultant loss of drug is not an issue since the amount adsorbed is on the order of 2-10 mg/mL, or not more than approximately 5 µg per 2 mL vial, or 13 µg per 5 mL vial.<br />

Lloyd Waxman Ph.D.
Lead Research Scientist, Insights Lab
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