Estradiol percutaneous administration preparations

A - Human Necessities – 61 – K

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A61K 31/565 (2006.01) A61K 9/70 (2006.01)

Patent

CA 2066249

1. An estradiol percutaneous administration preparation comprising: (1) a (A-B) nX or (A-B) n-A type elastomer wherein A is substantially monovinyl- substituted aromatic compound polymer block, B is substantially a conjugated diolefin copolymer block, n is an integer of 3 - 7, and X is a residue derived from a polyfunctional compound combined with n of polymer chain (A-B). (2) crotamiton and (3) a super assorbent polymer, the preparation further comprising estradiol as the medicinal ingredient and exhibiting sufficient medicinal efficacy without causing rubefaction, rashes and the like.

1. Une préparation d'oestradiol pour administration percutanée comprenant : (1) un élastomère de type (A - B) nX ou (A - B) n - A où A est substantiellement un polymère bloc d'un composé aromatique substitué par un groupe monovinyle, B est substantiellement un polymère bloc de dioléfine conjuguée, n est un nombre entier compris entre 3 et 7 et X est un résidu dérivé d'un composé polyfonctionnel combiné avec n fois la chaîne polymérique (A - B); (2) de la crotamitone et (3) un polymère superabsorbant; la préparation comprenant en outre de l'oestradiol comme ingrédient médicamenteux et possède une efficacité suffisante du point de vue médicamenteux sans provoquer de rubéfaction, d'éruptions cutanées ni autres manifestations semblables.

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