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A Molecular-Level View Of The Physical Stability Of Amorphous Solid Dispersions, Xiaoda Yuan
A Molecular-Level View Of The Physical Stability Of Amorphous Solid Dispersions, Xiaoda Yuan
Theses and Dissertations--Pharmacy
Many pharmaceutical compounds being developed in recent years are poorly soluble in water. This has led to insufficient oral bioavailability of many compounds in vitro. The amorphous formulation is one of the promising techniques to increase the oral bioavailability of these poorly water-soluble compounds. However, an amorphous drug substance is inherently unstable because it is a high energy form. In order to increase the physical stability, the amorphous drug is often formulated with a suitable polymer to form an amorphous solid dispersion. Previous research has suggested that the formation of an intimately mixed drug-polymer mixture contributes to the stabilization …