| abstract |
Disclosed is a cilostazol dry coated tablet which comprises (A) a core portion containing cilostazol and (B) an outer layer portion containing cilostazol, a water-insoluble substance and a hydrophilic hydrogel forming substance. Said tablet is a new type of preparation capable of suppressing an undesirable rise of the maximum blood concentration of cilostazol while it maintains an adequate blood concentration of cilostazol by continuously releasing, for hours, only a required amount of cilostazol for obtaining a desired drug efficacy of cilostazol. |