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Even though the regulatory landscape is steadily evolving, pharma companies sometimes rely on rubber formulations existing since the 1980’s, or even since the 1960’s in some cases. This is well before many industry guidances were published, such as:
For example, regulatory authorities now are placing high demands on pharma companies to reduce and control levels of particles and fibers. Looking ahead, personalized medicine will increase these demands as the impact per injection is dramatically higher. Legacy rubber formulations were not designed with all this in mind. Though improvements in these formulations have been made, there are chemical and physical limitations that cannot be overcome. New rubber formulations are needed.
An example of such a new rubber formulation is West’s 4040/40 Gray. It was designed using quality-by-design principles, selecting raw materials and processes that would provide best performance in terms of particles, extractables, and functionality. Having been developed to anticipate future technical demands, it can serve as a platform for the future.If you want to learn more about this topic, and others, you have the opportunity on Feb 4, 2020 in Paris when West experts present at the West Educational Series.