Pharmaceutical preparations with controlled release of active ingredients in the intestinal tract

摘要

(b) a compression-coating layer containing a pH-independent water-soluble polymer supplied around the nucleus; and (c) a layer containing an enteric polymer supplied around the compression-In the pharmaceutical preparation of the present invention, the medicinally active ingredient is not secreted during the stay in the stomach but is quickly secreted after the gastrointestinal movement and after reaching the target site in the intestine. Therefore,