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Stabilizing vaccines via drying: Quality by design considerations

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journal contribution
posted on 2023-01-25, 14:57 authored by Zahra Ghaemmaghamian, Reza Zarghami, Gavin WalkerGavin Walker, EMMET O'REILLYEMMET O'REILLY, Ahmad Ziaee

Pandemics and epidemics are continually challenging human beings’ health and imposing major stresses on the societies particularly over the last few decades, when their frequency has increased significantly. Protecting humans from multiple diseases is best achieved through vaccination. However, vaccines thermal instability has always been a hurdle in their widespread application, especially in less developed countries. Furthermore, insufficient vaccine processing capacity is also a major challenge for global vaccination programs. Continuous drying of vaccine formulations is one of the potential solutions to these challenges. This review highlights the challenges on implementing the continuous drying techniques for drying vaccines. The conventional drying methods, emerging technologies and their adaptation by biopharmaceutical industry are investigated considering the patented technologies for drying of vaccines. Moreover, the current progress in applying Quality by Design (QbD) in each of the drying techniques con?sidering the critical quality attributes (CQAs), critical process parameters (CPPs) are comprehensively reviewed. An expert advice is presented on the required actions to be taken within the biopharmaceutical industry to move towards continuous stabilization of vaccines in the realm of QbD.


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Advanced Drug Delivery Reviews, 187, 114313



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