The West Blog
October 19, 2020
Lyophilization (also called freeze drying) is the process of dehydrating a material at low temperature and reduced pressure. It is used to extend the shelf life of many biologic drug products. Absent water, drug metabolic degradation processes are greatly reduced. Clearly, it is crucial to know the water content of elastomer stoppers for vial-based primary packaging systems for lyophilized drug products.