Ketoprofen lysine salt-containing aqueous patch

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/192 (2006.01) A61K 9/70 (2006.01) A61K 47/02 (2006.01) A61K 47/10 (2006.01) A61K 47/30 (2006.01) A61P 29/00 (2006.01)

Patent

CA 2718755

Disclosed is a water-based adhesive skin patch comprising ketoprofen, which is improved in the efficiency of production work and has excellent storage stability and transdermal absorption properties of ketoprofen contained therein. Specifically disclosed is a water-based adhesive skin patch containing ketoprofen lysine salt, which comprises a support and an adhesive agent (paste) layer laminated on the support. The adhesive skin patch is characterized in that ketoprofen lysine salt (the main ingredient) is contained in a paste in a completely dissolved state, wherein the paste does not contain glycerin and contains a polyethylene glycol having an average molecular weight of 1000 or less. In the adhesive skin patch, the polyethylene glycol having an average molecular weight of 1000 or less is one or more types of polyethylene glycol selected from the group consisting of polyethylene glycol 200, polyethylene glycol 400, polyethylene glycol 600 and polyethylene glycol 1000.

La présente invention concerne un timbre cutané adhésif à base d'eau comprenant du kétoprofène, qui présente une efficacité de production améliorée ainsi qu'une stabilité au stockage et des propriétés d'absorption transdermique du kétoprofène contenu excellentes. L'invention concerne spécifiquement un timbre cutané adhésif à base d'eau comprenant un sel de lysine de kétoprofène, qui comprend un support et une couche d'agent adhésif (pâte) laminée sur le support. Le timbre cutané adhésif est caractérisé en ce que le sel de lysine de kétoprofène (le principal ingrédient) est contenu dans une pâte à l'état totalement dissous, la pâte ne contenant pas de glycérine et contenant un polyéthylèneglycol ayant un poids moléculaire moyen de 1000 ou moins.  Dans le timbre cutané adhésif, le polyéthylèneglycol ayant un poids moléculaire moyen de 1000 ou moins est un ou plusieurs types de polyéthylèneglycols choisi(s) dans le groupe constitué par le polyéthylèneglycol 200, le polyéthylèneglycol 400, le polyéthylèneglycol 600 et le polyéthylèneglycol 1000.

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