05968551 is referenced by 282 patents and cites 90 patents.

Sustained release oral solid dosage forms of opioid analgesics are provided as multiparticulate systems which are bioavailable and which provide effective blood levels of the opioid analgesic for at least about 24 hours. A unit dose of the opioid analgesic contains a plurality of substrates including the opioid analgesic in sustained release form. The substrates have a diameter from about 0.1 mm to about 3 mm.

Title
Orally administrable opioid formulations having extended duration of effect
Application Number
814111
Publication Number
5968551
Application Date
July 27, 1995
Publication Date
October 19, 1999
Inventor
Mark Chasin
Manalapan
NJ, US
Benjamin Oshlack
New York
NY, US
Agent
Davidson Davidson and Kappel
Assignee
Purdue Pharma
CT, US
IPC
A61K 9/14
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