Selecting the optimal solid form of an API during early drug development can mitigate the risk of failure later in development. This can be achieved through polymorph, salt and cocrystal screening. Polymorph screening aims to identify all relevant forms of an API, investigate their properties and choose the optimal crystalline form. Polymorphism control is exceptionally important and conducting these screens can help prevent the appearance of new forms in the latter stages of development. We focus on establishing the interconversions between forms, the relative stability of forms and understanding the monotropic or enantiotropic relationship between polymorphs when required. Polymorph screening is a regulatory requirement whether a salt, cocrystal or free form compound is chosen for development. Salt screening is an approach to quickly identify and assess the salt forms of an API. This allows drug developers to modify the physical properties of an API while preserving ...
Vera pharmaceuticals
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