Disclosed are solid dispersions comprising a compound having the formula: wherein the compound is dispersed within a polymer matrix formed by a pharmaceutically acceptable polymer, and further wherein the compound is substantially amorphous. Also disclosed are pharmaceutical compositions comprising the compound and methods of use for the compound.本發明揭示包含具有下式之化合物之固態分散劑:其中該化合物係分散於由醫藥上可接受之聚合物所形成之聚合物基材內,且另外其中該化合物係實質上非晶性。本發明亦揭示包含該化合物之醫藥組成物及使用該化合物之方法。