Dissolution studies on low potency ITZ compositions reealed that miscibility plays an actie role in ITZ release under sink conditions, and square root diffusion through the enteric polymer is obsered.

• 低效ITZ组分的溶出度研究揭示在渗透状态下，混合度在ITZ释放中起积极作用，且观察到肠溶聚合物的平方根扩散。