Aerosol and injectable formulations of nanoparticulate...

A - Human Necessities – 61 – K

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A61K 9/72 (2006.01) A61K 9/10 (2006.01) A61K 9/14 (2006.01)

Patent

CA 2597716

Described are nanoparticulate formulations of a benzodiazepine, such as lorazepam, that does not require the presence of polyethylene glycol and propylene glycol as stabilizers, and methods of making and using such formulations. The formulations are particularly useful in aerosol and injectable dosage forms, and comprise nanoparticulate benzodiazepine, such as lorazepam, and at least one surface stabilizer. The formulations are useful in the treatment of status epilepticus, treatment of irritable bowel syndrome, sleep induction, acute psychosis, and as a pre-anesthesia medication.

L'invention concerne des formulations de nanoparticules d'une benzodiazépine, par exemple le lorazépam, ne nécessitant pas la présence de polyéthylène glycol ni de propylène glycol comme stabilisants, ainsi que des méthodes de fabrication et d'utilisation desdites formulations. Ces formulations sont utilisées, en particulier, dans des formes posologiques aérosol et injectables, et comprennent des nanoparticules de benzodiazépine, par exemple de lorazépam, et au moins un stabilisant de surface. Lesdites formulations sont utilisées dans le traitement de l'état de mal épileptique, dans le traitement du syndrome du côlon irritable, dans l'induction du sommeil, dans la psychose aigüe, et en tant que médicament pré-anesthésique.

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