Anti-inflammatory eye drop

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/19 (2006.01) A61K 9/00 (2006.01) A61K 9/08 (2006.01) A61K 31/196 (2006.01) A61K 47/18 (2006.01) A61K 47/32 (2006.01) A61K 47/40 (2006.01)

Patent

CA 2210749

An anti-inflammatory eye drop comprises (a) 0.05 to 0.7 weight/volume% of diclofenac sodium; (b) 1 to 10 weight/volume% of .gamma. -cyclodextrin; (c) 1 to 20 weight/volume% of polyvinyl pyrrolidone; and (d) 0.002 to 0.01 weight/volume% of benzethonium chloride or 0.002 to 0.005 weight/volume% of benzalkonium chloride, and has a pH value ranging from 7.0 to 8.5. The anti-inflammatory eye drop may comprise diclofenac sodium in a wide range of concentration, is stable over a long time period and shows only a low degree of ocular irritation.

Cette invention concerne des gouttes oculaires anti-inflammatoires comprenant: (a) de 0,05 à 0,7 % en poids par rapport au volume de sodium de diclofénac; (b) de 1 à 10 % en poids par rapport au volume de gamma -cyclodextrine; (c) de 1 à 20 % en poids par rapport au volume de polyvinylpyrrolidone; (d) de 0,002 à 0,01 % en poids par rapport au volume de chlorure de benzéthonium ou de 0,002 à 0,005 % en poids par rapport au volume de chlorure de benzalkonium. Le pH de ces gouttes varie entre 7,0 et 8,5. Ces gouttes contiennent une grande proportion de sodium de diclofénac, restent stables pendant longtemps et n'irritent pas beaucoup l'oeil.

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