Vitamin formulation

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/12 (2006.01) A61K 9/107 (2006.01) A61K 31/203 (2006.01) A61K 31/592 (2006.01) A61P 17/00 (2006.01) A61P 17/06 (2006.01)

Patent

CA 2611147

A pharmaceutical aerosol foam composition, comprising an effective amount of a pharmaceutically active ingredient, wherein said pharmaceutically active ingredient is a vitamin or analogue thereof; an occlusive agent; an aqueous solvent; an organic co-solvent; wherein the pharmaceutically active ingredient is insoluble in both water and the occlusive agent; and the occlusive agent being present in an amount sufficient to form an occlusive layer on the skin, in use. The pharmaceutically active ingredient can be selected from vitamin D3 and vitamin A and/or their analogues such as calcipotriene, tretinoin, acitretin, etc. In a second embodiment, an oil-in-water emulsion having a vitamin; an occlusive agent; an aqueous solvent; and an organic co-solvent, wherein the occlusive agent is present in an amount sufficient to foam an occlusive layer on the skin. The composition can be used to treat dermatological disorders such as psoriasis.

L'invention concerne une composition de mousse aérosole pharmaceutique comprenant une quantité efficace d'un ingrédient actif au niveau pharmaceutique, cet ingrédient actif au niveau pharmaceutique étant une vitamine ou un analogue de vitamine, un agent occlusif, un solvant aqueux et un cosolvant organique. L'ingrédient actif au niveau pharmaceutique est insoluble à la fois dans l'eau et dans l'agent occlusif. L'agent occlusif est présent dans une quantité suffisante pour former une couche occlusive sur la peau durant l'utilisation. Dans un second mode de réalisation, l'invention concerne une émulsion huile dans l'eau qui possède une vitamine, un agent occlusif, un solvant aqueux et un cosolvant organique, l'agent occlusif étant présent en quantité suffisante pour former une couche occlusive sur la peau.

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