FIELD: medicine.
SUBSTANCE: invention relates to pharmaceutical dosed form, which contains pharmaceutically active substance, unstable in presence of acid, which includes central nucleus, containing active substance and loosening agent, swelling coating, surrounding central nucleus, and enterosoluble coating, surrounding swelling coating. Swelling coating includes prolamin, preferably, zein. Pharmaceutically active substance includes benzimidazole, selected from omeprazole, lansoprazole, rabeprazole and pantoprazole.
EFFECT: invention ensures fast release of pharmaceutically active substance in medium, which has pH value at least 5.
33 cl, 12 ex
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