| abstract |
The present invention relates to oral preparations containing lansoprazole, and more particularly to oral preparations containing lansoprazole, including a core containing lansoprazole and a starch layer, an enteric coating layer, a starch layer and a wax layer on the outer layer of the core. In addition, the oral preparations according to the present invention not only have excellent acid resistance to gastric acid but also have high drug dissolution in the upper small intestine, rapid and excellent storage stability, and thus can be stored for a long time without deterioration of drug efficacy. |