Artificial tear composition containing a combination of...

A - Human Necessities – 61 – K

Patent

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A61K 9/08 (2006.01) A61K 47/34 (2006.01) A61P 27/04 (2006.01) A61K 31/198 (2006.01) A61K 33/22 (2006.01)

Patent

CA 2436269

Improved artificial tear compositions are described. The compositions are preferably formulated as sterile, isotonic solutions. The solutions contain a unique combination of three demulcents. The solutions preferably also contain one or more electrolytes and may also contain a nonionic surfactant. The solutions provide ocular comfort and are particularly useful in patients that are experiencing mild to moderate dryness or other irritation of the cornea. The solutions may be packaged as either an unpreserved unit dose product or as a preserved multi-dose product. The multi-dose products contain a very mild antimicrobial preservative system, and consequently can be frequently applied to the eye with little risk of ocular irritation attributable to the preservative components.

L'invention concerne des compositions perfectionnées de larmes artificielles. De préférence, ces compositions sont formulées en tant que solutions stériles, isotoniques, contenant une combinaison unique de trois émollients, ainsi que préférablement au moins un électrolyte et, le cas échéant, un tensioactif non ionique. Ces solutions apportent un confort oculaire et elles sont notamment utiles chez des patients soufrant d'une sécheresse peu importante à moyenne de la cornée, ou de tout autre irritation de la cornée. On peut conditionner ces solutions, soit sous forme d'un produit à dose unique sans conservateur, soit sous forme d'un produit à plusieurs doses, avec conservateur. Les produits à plusieurs doses contiennent un système conservateur antimicrobien très doux et, par conséquent, on peut les appliquer fréquemment sur l'oeil, le risque d'irritation oculaire imputable à ces composants conservateurs étant minime.

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