Opioid antagonist compositions and dosage forms

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/485 (2006.01) A61K 9/20 (2006.01) A61K 9/48 (2006.01) A61K 9/50 (2006.01) A61K 31/00 (2006.01) A61K 31/135 (2006.01) A61K 31/445 (2006.01) A61K 31/4468 (2006.01) A61K 45/06 (2006.01) A61P 25/04 (2006.01)

Patent

CA 2408106

The present invention is directed to novel dosage forms, pharmaceutical compositions, kits, and methods of administration of an opioid antagonist in an amount of at least about 0.0001 mg to about or less than about 1.0 mg, including from about 0.0001 mg to less than about 0.5 mg. Solid oral dosage forms are disclosed consisting essentially of an opioid antagonist or alternatively comprising an opioid antagonist and another active ingredient, such as an opioid agonist. Immediate release oral dosage forms are disclosed that release all or a substantial percentage of opioid antagonist, and another active ingredient when present, in a desired time. Concurrent release dosage forms are disclosed that provide concurrent release of an opioid antagonist and another active ingredient.

La présente invention concerne de nouvelles formes de dosage, des compositions pharmaceutiques, des kits et des techniques d'administration d'un antagoniste opioïde en quantité comprise au moins entre environ 0,0001mg et environ 1,0 mg ou moins notamment entre environ 0,0001mg et moins de 0,5mg environ. Cette invention concerne aussi des formes de dosage oral solides constituées essentiellement d'un antagoniste opioïde ou encore qui comprennent un antagoniste opioïde et un autre principe actif, tel qu'un agoniste opioïde. Cette invention concerne encore des formes de dosage oral à libération immédiate qui libèrent entièrement l'antagoniste opioïde ou une proportion substantielle de ce dernier, et un autre principe actif lorsqu'il est présent, dans un temps défini. Cette invention concerne aussi des formes de dosage à libération différentes qui permettent une libération différente d'un antagoniste opioïde et d'un autre principe actif.

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