0647448-A1 is referenced by 161 patents and cites 7 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
EP19940115465 19940930
Publication Number
0647448 (A1)
Application Date
September 30, 1994
Publication Date
April 12, 1995
Inventor
Chasin Mark
US
Oshlack Benjamin
US
Assignee
Euro Celtique
LU
IPC
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