Opioid delivery system

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/12 (2006.01) A61K 31/4748 (2006.01) A61P 25/04 (2006.01)

Patent

CA 2556629

An opioid formulation for pulmonary administration in the treatment or management of pain, a pulmonary drug delivery device containing, method of administering, kit containing, and uses of same. The formulation contains at least one rapid-onset opioid and preferably also contains a sustained-effect opioid to reduce the frequency of administration. The invention employs the side effects of the opioid formulation to permit patients to self-limit drug intake, thereby avoiding toxicity while achieving analgesia. A pharmacokinetic and pharmacodynamic model is employed to determine optimum drug formulations and optimum parameters for administration.

La présente invention concerne une formulation opioïde pour administration pulmonaire utilisée dans le cadre du traitement ou de la gestion de la douleur, un dispositif administration pulmonaire de médicament, un procédé d'administration, un kit, et leurs utilisations. La formulation contient au moins un opioïde à action rapide et de préférence un opioïde à effet prolongé qui permet de réduire la fréquence d'administration. L'invention se sert des effets secondaires de la formulation opioïde pour permettre à des patients de limiter eux-mêmes leur consommation de médicament, ce qui permet d'éviter la toxicité tout en réalisant une analgésie. Un modèle pharmacocinétique et pharmacodynamique est employé pour déterminer des formulations médicamenteuses optimales et des paramètres optimaux pour l'administration.

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