Buccal, polar and non-polar spray containing diazepam

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/12 (2006.01) A61K 9/40 (2006.01) A61K 31/5513 (2006.01) A61P 21/02 (2006.01) A61P 23/00 (2006.01) A61P 25/08 (2006.01) A61P 25/22 (2006.01) A61P 43/00 (2006.01)

Patent

CA 2582007

Buccal aerosol sprays or capsules using polar and non-polar solvent have now been developed which provide diazepam for rapid absorption through the oral mucosa, resulting in fast onset of effect. The buccal polar compositions of the invention comprise formulation I: aqueous polar solvent, diazepam, and optional flavoring agent; formulation II: aqueous polar solvent, diazepam, optionally flavoring agent, and propellant; formulation III: non-polar solvent, diazepam, and optional flavoring agent; and formulation IV: non-polar solvent, diazepam, optional flavoring agent, and propellant; formulation V: a mixture of a polar and a non-polar solvent, diazepam, and optional flavoring agent; formulation VI: a mixture of a polar and a non-polar solvent, diazepam, optional flavoring agent, and propellant.

Selon l'invention, on a mis au point des sprays aérosols buccaux ou des capsules faisant appel à un solvant polaire et un solvant non polaire et permettant d'administrer du diazépam en vue d'une absorption rapide à travers la muqueuse orale, d'où une apparition rapide de l'effet. Les compositions polaires buccales de l'invention comprennent une préparation (I) renfermant un solvant polaire aqueux, du diazépam et un aromatisant optionnel, une préparation (II) renfermant un solvant polaire aqueux, du diazépam, un aromatisant optionnel et un propulseur, une préparation (III) renfermant un solvant non polaire, du diazépam et un aromatisant optionnel, une préparation (IV) renfermant un solvant non polaire, du diazépam, un aromatisant optionnel et un propulseur, une préparation (V) renfermant un mélange d'un solvant polaire et d'un solvant non polaire, du diazépam et un aromatisant optionnel, et une préparation (VI) renfermant un mélange d'un solvant polaire et d'un solvant non polaire, du diazépam, un aromatisant optionnel et un propulseur.

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