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|Title:||Abuse-resistant hydrocodone compounds|
|Abstract:||The present invention decreases the potential for abuse of opioids, particularly hydrocodone, by covalent modification. The invention provides methods of delivering hydrocodone as conjugates that release the hydrocodone following oral administration while being resistant to abuse by circuitous routes such as intravenous ("shooting") injection and intranasal administration ("snorting"). Further, hydrocodone compositions of the invention are resistant to oral abuse as well, since release of the hydrocodone at suprapharmacological doses reaches saturation.|
|Inventor(s):||Mickle; Travis (Charlottesville, VA), Krishnan; Suma (Blacksburg, VA), Moncrief; James Scott (Christiansburg, VA), Mickle; Christal (Charlottesville, VA), Lauderback; Christopher (Blacksburg, VA), Piccariello; Thomas (Blacksburg, VA)|
|Assignee:||Shire LLC (Florence, KY)|
|Filing Date:||Sep 30, 2004|
|Claims:||1. A composition comprising hydrocodone covalently bound at the 6' position to a single amino acid or an oligopeptide of 15 or fewer amino acids through the N-terminus or side chain of said oligopeptide or said amino acid, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable additive in a form suitable for oral administration. |
2. The composition of claim 1, wherein said oligopeptide comprises fewer than 10 amino acids.
3. The composition of claim 1, wherein said oligopeptide comprises fewer than 6 amino acids.
4. The composition of claim 1, wherein the oligopeptide is selected from a dipeptide, a tripeptide, a tetrapeptide, a pentapeptide, and a hexapeptide.
5. The composition of claim 1, wherein the oligopeptide is a pentapeptide.
6. The composition of claim 5, wherein said pentapeptide consists essentially of naturally occurring amino acids.
7. The composition of claim 1 wherein said hydrocodone is resistant to release from said amino acid or said oligopeptide when the composition is manipulated for parenteral administration.
8. The composition of claim 1, wherein said form suitable for oral administration is a tablet, a capsule, a caplet, an oral solution, or an oral suspension.
9. The composition of claim 6, wherein said form suitable for oral administration is a tablet, a capsule, a caplet, an oral solution, or an oral suspension.