RAPIDLY DISSOLVING PHARMACEUTICAL COMPOSITION Russian patent published in 2003 - IPC

Abstract RU 2203665 C2

FIELD: pharmacy, biochemistry. SUBSTANCE: invention relates to rapidly dissolving pharmaceutical composition that is able to inhibit activity of aldose reductase. Composition comprises a micronized (R)- 2-(4-bromo-2-fluorobenzyl)-1,2,3,4-tetrahydropyrrolo[1,2-a] -pyrazine-4-spiro-3'-pyrrolidine-1,2', 3,5'- tetrone (AS-3201) in the dose about 0.5-25 wt.-%. Mean size of particles of micronized powder AS-3201 is less 20 mcm. Pharmaceutical composition exhibits the improved indices of dissolving in combination with good bioavailability. Part of active substance AS-3201 dissolving is 50% or above for 15 min after onset of testing for dissolving. EFFECT: improved and valuable properties of composition. 12 cl, 1 dwg, 2 tbl

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RU 2 203 665 C2

Authors

Okhasi Mamoru

Ogasavara Kazujosi

Sirai Josimi

Fudzioka Khirosi

Dates

2003-05-10Published

1998-10-15Filed