FIELD: medicine.
SUBSTANCE: composition comprises gel-forming matrix having one or more active ingredients with prolonged release time of one or more active substances under gastrointestinal tract fluids action. Hydroxypropylmethyl cellulose of high or moderate viscosity or hydroxyethyl cellulose of high or moderate viscosity are available in the composition in 1:0.85-1:1.2 proportion, respectively. The composition optionally comprises also hydroxypropylmethyl cellulose of low viscosity with hydroxypropylmethyl cellulose of low viscosity to one of high or moderate viscosity proportion being equal to 1:0.01-1.0.2, respectively. The composition essentially does not depend on ionic force of dissolving medium habitual for gastrointestinal tract fluids as norm even if the composition is not enclosed into coating shell.
EFFECT: enhanced effectiveness of treatment.
12 cl, 4 tbl
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