Aqueous preparation containing cyclodextrin

Details Aqueous preparation containing cyclodextrin Aqueous preparation containing cyclodextrin

A - Human Necessities

61

K

167/199

A61K 31/12 (2006.01) A61K 47/00 (2006.01) A61K 47/40 (2006.01)

Patent

CA 1281650

ABSTRACT This invention relates to an aqueous preparation comprising a compound (A) represented by the formula: Image (A) and at least one of cyclodextrins selected from .alpha.- cyclodextrin and dimethyl-.beta.-cyclodextrin; and a method of preparation thereof. According to the aqueous preparation of this inven- tion, coexistence with at least one medicament selected from .alpha.-cyclodextrin and dimethyl-.beta.-cyclodextrin allows to enhance the solubility to water of compound (A) essential in this invention to such a concentration that makes an expected curative effect available and to impart a desired stability to it. As a consequence, the aforesaid compound (A) can be utilized as a medicament for an aqueous preparation having anti-allergy action.

529815

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