Details for Patent: 8,980,291

Title:	Controlled release hydrocodone formulations
Abstract:	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 C.sub.12/C.sub.max ratio of 0.55 to 0.85, said dosage form providing a therapeutic effect for at least about 12 hours.
Inventor(s):	Oshlack; Benjamin (New York, NY), Huang; Hua-Pin (Englewood Cliffs, NJ), Masselink; John (Old Tappan, NJ), Tonelli; Alfred P. (Congers, NY)
Assignee:	Purdue Pharma L.P. (Stamford, CT)
Filing Date:	Dec 30, 2010
Application Number:	12/982,386
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Primary Examiner: Haghighatian; Mina
Assistant Examiner: Karpinski; Luke
Attorney, Agent or Firm: Davidson, Davidson, & Kappel, LLC