FIELD: medicine, pharmacy.
SUBSTANCE: invention relates to drugs and concerns sustained-release oral compositions. Agent comprises micelle-forming water-soluble main drug showing a positive charge at physiological pH value, polymer showing an opposite charge chosen from group consisting of polyacrylic acid, carboxymethylcellulose, xanthane gum, hellane gum, guara gum, dextran-sulfate and carragheenan, polyethylene oxide and if necessary a hydrophilic base. Also, invention proposes a method for sustained-release of micelle-forming drug.
EFFECT: improved and valuable medicinal and pharmaceutical properties of agent.
20 cl, 4 tbl, 24 dwg, 13 ex
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