COMPOSITIONS WITH CONTROLLED LIBERATION Russian patent published in 2008 - IPC A61K9/30 A61K9/22 A61K31/135 A61K47/32 A61K47/36 A61P25/04 

Abstract RU 2333745 C2

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention describes solid dispersed measured drug including a core with pharmacological agent dispersed in the first matrix for controlled liberation at relatively low speed; and coating covering the core and including the agent dispersed in the second matrix for controlled liberation at relatively high speed. The first matrix can be represented by cross-linked starch with high amylose content, and the second matrix can be represented by polyvinylacetate and polyvinylpyrrolidone mix. Solid measured drug is preferably a pill.

EFFECT: reduced administration frequency, relatively stable medicine concentration in organism for a given time period and reduced undesired side effect frequency and intensity due to reduction of high concentrations in plasma.

19 cl, 5 dwg, 4 tbl, 4 ex

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RU 2 333 745 C2

Authors

Lenar Vensan

Ouadzhi-Ndzhiki Patrisija Laura

Behjkon Dzhonatan

Uzeruru Rashid

Zherveh Sonja

Rakhmuni Milu

Smit Dehjmon

Dates

2008-09-20Published

2003-10-27Filed