FIELD: medicine, pharmaceutics.
SUBSTANCE: invention refers to a drug coating composition for colonic delivery which contains water and water dispersed starch containing at least 40% of amylose, as well as a film-forming agent that is a water-insoluble polymer which controls pregelatinisation of starch under the specified aqueous medium. The invention also refers to a dosage form for colonic delivery which contains an active agent and said coating. There is also disclosed a method for preparing the coating composition involving mixing the ingredients, as well as a method of treating or a diagnostic technique for colonic diseases and pathological conditions.
EFFECT: invention provides easy and fast preparation of the composition with the colonic release active substance.
25 cl, 2 ex, 12 dwg
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