Encased tamper resistant controlled release dosage forms
申请人:Purdue Pharma L.P.
公开号:EP2826467A1
公开(公告)日:2015-01-21
In certain embodiments, the present invention is directed to a solid controlled release dosage form comprising: a core comprising a first portion of an opioid analgesic dispersed in a first matrix material comprising polyethylene oxide having an average molecular weight from about 300,000 to about 10,000,000; and a shell encasing the core and comprising a second portion of the opioid analgesic dispersed in a second matrix material comprising polyethylene oxide having an average molecular weight from about 1,000,000 to about 10,000,000.
A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
A solid oral controlled-release oral dosage form of hydrocodone is disclosed. The dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and a sufficient amount of a controlled release material to render the dosage form suitable for twice-a-day administration to a human patient, the dosage form providing a C12/Cmax ratio of 0.55 to 0.85, said dosage form providing a therapeutic effect for at least about 12 hours.