학술논문
Dermal medicaments application enhancer
Document Type
Patent
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Abstract
A topical medicament for use in treating tissues comprising: an enhancer for facilitating non-invasive, transdermal delivery and/or enhancing metabolic effect of a therapeutic dosage of LEVULAN® KERASTICK™ (aminolevulinic acid HCl) into a tissue. The present invention provides a topical, transdermal medicament for use in treating tissues comprising an enhancer for facilitating non-invasive, transdermal delivery of a therapeutic dosage of comprising LEVULAN® KERASTICK™ (aminolevulinic acid HCl) into a tissue for example wherein the enhancing agent is comprising L.M.X.4®The enhancer may be selected from the group consisting of lidocaine, benzyl alcohol, carbomer 940, cholesterol, hydrogenated lecithin, polysorbate 80, propylene glycol, trolamine, vitamin E acetate and water or combinations thereof. The present invention, also, provides a pharmaceutical composition useful for treating tissues in humans and animals which comprises a therapeutically effective amount of LEVULAN® KERASTICK™ (aminolevulinic acid HCl) or pharmaceutically acceptable salt thereof in combination with a synergistically effective amount of at least one enhancer or pharmaceutically acceptable carrier wherein said enhancer is selected from the group consisting of lidocaine, benzyl alcohol, carbomer 940, cholesterol, hydrogenated lecithin, polysorbate 80, propylene glycol, trolamine, vitamin E acetate and water. The invention, also, provides a method of treating or preventing a human or animal afflicted by a diseases comprising topically administering a pharmaceutical composition which comprises of a therapeutically effective amount of aminolevulinic acid HCl in combination with an enhancer and/or a pharmaceutically acceptable carrier. The invention, also, provides a method wherein the composition further comprises a synergistically effective amount of an enhancer and/or pharmaceutically acceptable salt thereof wherein said enhancer is selected from the group consisting of lidocaine, benzyl, carbomer 940, cholesterol, hydrogenated lecithin, polysorbate 80, propylene glycol, trolamine, vitamin E acetate, water and combinations thereof.