Stabilized ophthalmic solutions

A - Human Necessities – 01 – N

Patent

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Details

A01N 59/00 (2006.01) A01N 25/22 (2006.01) A01P 1/00 (2006.01) A61K 47/02 (2006.01) A61K 47/12 (2006.01) A61L 12/12 (2006.01) A61L 12/14 (2006.01) A61P 27/02 (2006.01)

Patent

CA 2692227

The present invention relates to stabilized ophthalmic solutions comprising at least one peroxide. In one embodiment, the present invention relates to an ophthalmic solution comprising a pH between about 6 and about 8 and about 50 to about 1000 ppm hydrogen peroxide and about 0.005 wt% (50 ppm) to about 0.05 wt % (500 ppm) at least one salt of diethylenetriamine pentaacetic acid selected from the group consisting of calcium salts of diethylenetriamine pentaacetic acid, zinc salts of diethylenetriamine pentaacetic acid and mixed calcium/zinc salts of diethylenetriamine pentaacetic acid. The present invention further relates to a method for preserving ophthalmic solution comprising at least one peroxide.

La présente invention porte sur des solutions ophtalmiques stabilisées comprenant au moins un peroxyde. Dans un mode de réalisation, la présente invention porte sur une solution ophtalmique présentant un pH compris entre environ 6 et environ 8, et contenant environ 50 à environ 1 000 ppm de peroxyde d'hydrogène, et environ 0,005 % en masse (50 ppm) à environ 0,05 % en masse (500 ppm) d'au moins un sel d'acide diéthylènetriamine pentaacétique sélectionné dans le groupe constitué par les sels de calcium de l'acide diéthylènetriamine pentaacétique, les sels de zinc de l'acide diéthylènetriamine pentaacétique et les sels de calcium/zinc mélangés de l'acide diéthylènetriamine pentaacétique. La présente invention porte en outre sur un procédé de conservation d'une solution ophtalmique comprenant au moins un peroxyde.

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