Adhesive patch for percutaneous delivery of isosorbide dinitrate

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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424448, 514946, 514947, 514969, A61F 1300

Patent

active

054199123

ABSTRACT:
An adhesive patch for percutaneous delivery of isosorbide dinitrate includes a piece of separating paper; a percutaneous salve preparation which is solvent free and which is comprised of: (a) isosorbide dinitrate; (b) a percutaneous absorption accelerator which is at least one substance selected from the group consisting of a chained monocarboxylate and a higher alcohol; and (c) a tackifier composition as an additive, wherein the chained monocarboxylate is selected from the group consisting of isopropyl palmitate, isopropyl myristate, cetyl lactate, diethyl sebacate, xylol laurate, cetyl isooctanoate and lauryl lactate, wherein the higher alcohol is selected from the group consisting of cetanol, stearyl alcohol, lauryl alcohol, cetostearyl alcohol and myristyl alcohol, and wherein the percutaneous absorption accelerator is present in an amount ranging between 3 and 12 wt % if a chained monocarboxylate is used and between 1 and 3 wt % if a higher alcohol is used; and a surface coating material which is polymeric.

REFERENCES:
patent: 4485087 (1984-11-01), Otsuka
patent: 5176916 (1993-01-01), Yamanaka
patent: 5204109 (1993-04-01), Akemi
European Search Report, EP 93 87 0051, May 6th, 1993.

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