Stable aqueous preparation

Details Stable aqueous preparation Stable aqueous preparation

A - Human Necessities

61

K

A61K 31/23 (2006.01) A61K 9/00 (2006.01) A61K 31/07 (2006.01)

Patent

CA 2049822

Presented is a stable aqueous preparation for ophthalmic topical administration containing vitamin A or a vitamin A derivative having vitamin A activities to be used for the treatment of dry eye syndrome characterized in that it captains a buffering component selected from the group consisting of phosphoric acid, boric acid, citric acid, glutamic acid, .epsilon.-aminocaproic acid and the alkali metal salts thereof, a non-ionic surfactant and a chelating agent, that its acidity is adjusted an the range of pH 5 to pH 8, and that it is filled in a tight container made of polypropylene or polyethylene terephthalate.

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