Lignilidad: Gastric release type sustained release tablet and its preparation method

摘要

The concentration of the release promoter comprises 0.14 to 0.52 g / cm3, comprising 3 to 14 wt% lennolidad, 14 to 68 wt% of low bulk density release promoter, 23 to 70 wt% low density density release agent, and other pharmaceutically acceptable complements The density of the slow release agent is 0.29 to 0.51 g / cm. Sup. 3, and a method for preparing the release releasing tablet in the gastric region is disclosed.The slow release tablet according to the present invention is in a floating state in the gastric environment and is not discharged directly from the stomach for gastric emptying, and has the effect of staying in the stomach, and is difficult to be discharged with the stomach content, and the bioavailability of the drug is high, and the side effect is small.No selection