Objective:To evaluate the control release behavior in vitro of the cetraxate hydrochloride floating tablets newly developed depending on the hydrodynamically balanced drug delivery system (HBS).

• 目的:根据流体动力学平衡控释系统(HBS)原理研制盐酸西曲酸酯胃漂浮片,并评价其体外释药特性。