非晶型固體製劑利用了親水聚合物作為coating 材料,因此能便宜地增加穩定度與生體可用率
原理是利用他保持在Tg(Glass transition temperature)以下以保持製劑於過飽和狀態中
Zelboraf (Vemurafenib) use Hydroxypropyl cellulose(HPC) to served as Hydrophilic polymeric carrier to keep the drug in "Freeze" form to maintain stability.
Moreover,Kaletra (Lopinavir+ritonavir) use HPMC
Tg:HPMC(170℃)>HPC(150℃)