Biologically active composition

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/56 (2006.01) A61K 9/06 (2006.01) A61K 31/20 (2006.01) A61K 45/06 (2006.01) A61K 47/10 (2006.01)

Patent

CA 2251702

A biologically active stick composition comprising a biologically active agent dissolved in a carrier system including an unsaturated fatty acid alcohol in mutual dissolution with an alkylene glycol as a solvent for said biologically active agent and a stiffening agent therefor, said stiffening agent imparting stick consistency to the composition, said alkylene glycol preferably being present in an amount of more than 12%. The composition can be prepared by dissolving the active agent in the solvent, combining the solution with the stiffening agent and shaping the formulation into a stick. The composition is especially intended for use as a medicament, preferably in the treatment of dermatological conditions, where it has been found to possess outstanding bioavailability properties.

L'invention concerne une composition biologiquement active, se présentant sous la forme d'un bâton et contenant un agent biologiquement actif dissous dans un système d'excipient comprenant un alcool insaturé dérivé d'un acide gras dans un état de dissolution mutuelle avec un alkylène glycol, en tant que solvant de l'agent biologiquement actif et un agent rigidifiant conférant la consistance de bâton rigide souhaitée, ledit alkylène glycol étant présent, de préférence, à raison de plus de 12 %. La composition peut être préparée en dissolvant l'agent actif dans le solvant, en combinant la solution avec l'agent rigidifiant et en conférant à la composition la forme d'un bâton. La composition est tout particulièrement destinée à être utilisée comme médicament, de préférence pour le traitement de troubles dermatologiques, pour lesquels elle présente des propriétés de biodisponibilité exceptionnelles.

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