Transdermal drug delivery matrix for coadministering estradiol a

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...

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424449, A61F 1302

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active

057832080

ABSTRACT:
A matrix type transdermal patch for coadministering estradiol and another steroid wherein the matrix is composed of a N-vinyl-2-pyrrolidone-containing acrylic copolymer pressure sensitive adhesive, estradiol, the other steroid, and optionally a permeation enhancer, and the respective fluxes of estradiol and the other steroid from the matrix are independent of the respective concentrations of the other steroid and estradiol in the matrix.

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Translation of Japanese Laid-Open Patent Publication No. 60-66759, publication date Apr. 16, 1985 entitled "Drug Administration Member".
Translation of Japanese Laid-Open Patent Publication No. 60-123417, publication date Jul. 2, 1985 entitled "Medicinal Preparation".

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