A Model-Based Methodology for Spray-Drying Process Development

Solid amorphous dispersions are frequently used to improve the solubility and, thus, the bioavailability of low-solubility APIs.  Spray-drying, a well-characterized pharmaceutical unit operation, is ideally suited to producing solid amorphous dispersions due to its rapid drying kinetics. This paper describes a novel flowchart methodology based on fundamental engineering models and state-of-the-art process characterization techniques that ensure that spray-drying process development and scale-up are efficient and require minimal time and API. 

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