Nitto-denko Corporation

Passport Technologies, Inc.

Masahiro Mitsushima

Tomohito Takita

Hidetoshi Kuroda

Yuji Saeki

Masato Nishimura

Hirotoshi Adachi

Shohei Horie

Joe Hua

To provide a transdermal drug delivery patch that can be suitably used for an immediate release application of a pharmaceutical with a comparatively low molecular weight. A transdermal drug delivery patch, provided with a matrix and at least one drug disposed within the matrix, wherein the matrix has a water holding capacity of 10 mg/cmor less, and the drug is a pharmaceutical having a molecular weight of 5000 or less.

Transdermal drug delivery patch, drug delivery system and drug delivery

The present invention provides a patch preparation that has an extremely low moisture permeability, has a sufficient ODT effect, is excellent in drug releasability, and has a preferred handleability. The patch preparation of the present invention includes a support; and a pressure-sensitive adhesive layer containing an adherent polymer and a drug on one surface of the support, wherein: the support has a polyester base layer, an inorganic oxide layer, and a polyester nonwoven fabric layer in the stated order; the polyester base layer has a thickness of 1.0 &#x3bc;m to 16 &#x3bc;m; and the pressure-sensitive adhesive layer is laminated on the polyester base layer.

Patch preparation

The present invention provides a patch preparation that has an extremely low moisture permeability, has a sufficient ODT effect, is excellent in drug releasability and in anchoring property of its drug-containing pressure-sensitive adhesive layer, and has a preferred patch feeling. The patch preparation of the present invention includes a support; and a pressure-sensitive adhesive layer containing an adherent polymer and a drug on one surface of the support, wherein: the support has a polyester base layer, an inorganic oxide layer, and a polyester nonwoven fabric layer in the stated order; the polyester base layer has a thickness of 1.0 &#x3bc;m to 16 &#x3bc;m; and the pressure-sensitive adhesive layer is laminated on the polyester nonwoven fabric layer.

Growing community of inventors

Ibaraki, Japan

Masahiro Mitsushima