Solid dispersion and solid dispersion dosage form of...

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A - Human Necessities

61

K

A61K 31/52 (2006.01) A61K 9/10 (2006.01) A61K 9/14 (2006.01) C07D 473/04 (2006.01) C07D 473/06 (2006.01)

Patent

CA 2201096

The present invention relates to a solid dispersion and a solid dispersion dosage form which comprise a xanthine derivative represented by the following formula (I) or a pharmacologically allowable salt thereof and a polymer. (see formula I) (In the above formula, R1 and R2 are the same or different, and represent substituted or unsubstituted lower alkyl groups, and Q represents a hydrogen atom or a hydroxyl group.)

La présente invention concerne une dispersion solide ou une préparation à dispersion solide contenant chacune un dérivé xanthine représenté par la formule générale (I) ou l'un de ses sels pharmacologiquement admis, ainsi qu'un composé de masse moléculaire élevée. Dans la formule générale (I), R<1> et R<2> peuvent être identiques ou différents, chacun représentant un alkyle inférieur substitué ou non substitué, et Q représentant un hydrogène ou un hydroxy.

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