Methylphenidate patch preparation

Details Methylphenidate patch preparation Methylphenidate patch preparation

A - Human Necessities

61

K

A61K 9/70 (2006.01) A61K 31/4458 (2006.01)

Patent

CA 2691882

Provided is a methylphenidate patch preparation superior in the stability of a drug (methylphenidate and/or a salt thereof) in the patch preparation, skin permeability of a drug during use of the patch preparation, and methylphenidate availability. A patch preparation having a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer contains methylphenidate and/or a salt thereof, polyisobutylene and a liquid plasticizer. The liquid plasticizer preferably has an HLB value of 1.0 - 3.3.

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