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Evaluation And Enhancement Of Physical Stability Of Amorphous Solid Dispersions, Xin Feng
Evaluation And Enhancement Of Physical Stability Of Amorphous Solid Dispersions, Xin Feng
Electronic Theses and Dissertations
A major concern during formulation development has been to enhance the dissolution rate and bioavailability of poorly water-soluble drugs.[1],[2] The amorphous forms of APIs have attracted considerable attention as the amorphous forms tend to exhibit significantly higher levels of supersaturation in aqueous media when compared to the crystalline forms.[3],[4] For drugs which bioavailability is limited by aqueous solubility (biopharmaceutical classification system (BCS) class II drugs), which is a significant number of recently discovered drug candidates, the improved solubility may lead to enhanced bioavailability.[5-7] Oral absorption of APIs depends on two broad, but crucial, events, namely drug solubilization and gastrointestinal permeation.[8] …