Percutaneous absorption type formulation
AssigneeHisamitsu Pharmaceutical Co., Inc.
InventorsArata Toshimitsu, Hisakazu Kurita
Life of this patent
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Abstract
Provided is a percutaneous absorption type formulation of a drug such as imidafenacin and silodosin, wherein stable absorption through the skin is realized. The percutaneous absorption type formulation containing a drug such as imidafenacin and silodosin further contains a transdermal absorption promoting agent, and fatty acid ester and/or fatty acid amide that further improve(s) the function of the transdermal absorption promoting agent.
Claims15
A percutaneous absorption preparation comprising a drug and one or more percutaneous absorption promoting agents selected from triacetin, isopropyl myristate, oleyl alcohol, octyldodecanol and stearyl alcohol for said drug, wherein the percutaneous absorption preparation further comprises a fatty acid ester and/or a fatty acid amide that further improve the function of the percutaneous absorption promoting agents.
A method for producing a percutaneous absorption preparation comprising a drug and one or more percutaneous absorption promoting agents selected from triacetin, isopropyl myristate, oleyl alcohol, octyldodecanol and stearyl alcohol for said drug, wherein the percutaneous absorption preparation has increased skin permeability by means of further comprising a fatty acid ester and/or a fatty acid amide that further improve the function of said percutaneous absorption promoting agents.
Dependencies are inferred from the claim text.