Pharmaceutical formulation containing opioid agonist, opioid antagonist and bittering agent
First Claim
Patent Images
1. An oral dosage form comprising:
- a therapeutically effective amount of an opioid analgesic;
a sequestered opioid antagonist; and
a sequestered bittering agent, which bittering agent and opioid antagonist are substantially released only upon tampering of the dosage form in an amount sufficient to impart a bitter taste to an abuser upon oral administration of said tampered dosage form.
2 Assignments
0 Petitions
Accused Products
Abstract
Disclosed in certain embodiments is an oral dosage form comprising a therapeutically effective amount of an opioid analgesic; an opioid antagonist; and a bittering agent in an effective amount to impart a bitter taste to an abuser upon administration of the dosage form after tampering.
223 Citations
22 Claims
-
1. An oral dosage form comprising:
-
a therapeutically effective amount of an opioid analgesic; a sequestered opioid antagonist; and a sequestered bittering agent, which bittering agent and opioid antagonist are substantially released only upon tampering of the dosage form in an amount sufficient to impart a bitter taste to an abuser upon oral administration of said tampered dosage form. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 21, 22)
-
- 19. A method of preparing a pharmaceutical oral dosage form comprising combining a therapeutically effective amount of an opioid analgesic and a sequestered opioid antagonist into an oral dosage form with a sequestered bittering agent, which sequestered bittering agent and sequestered opiod antagonist are substantially released only upon tampering of the oral dosage form in an amount sufficient to impart a bitter taste to an abuser upon oral administration of said tampered dosage form.
Specification