| abstract |
(57) [Abstract] [PROBLEMS] It is desired to selectively deliver a drug or the like to an arbitrary site in the digestive tract. However, all of the conventional methods have insufficient site selectivity and the material is Since it is special, it is often impractical, and it has a drawback that complicated steps are required for formulation. The formulation of the present invention comprises a hard capsule containing at least an acidic substance, a low-pH soluble film covering the hard capsule, and an enteric film covering the low-pH soluble film. Lower release coated capsule formulation. |