Claims for Patent: 8,158,156

Summary for Patent: 8,158,156

Title:	Abuse-deterrent multi-layer pharmaceutical composition comprising an opioid antagonist and an opioid agonist
Abstract:	Provided herein is a pharmaceutical composition comprising an antagonist, an agonist, a seal coat, and a sequestering polymer, wherein the antagonist, agonist, seal coat and at least one sequestering polymer are all components of a single unit, and wherein the seal coat forms a layer physically separating the antagonist from the agonist from one another. Methods for manufacturing such a pharmaceutical composition are also provided.
Inventor(s):	Matthews; Frank (Edison, NJ), Boehm; Garth (Westfield, NJ), Tang; Lijuan (Flemington, NJ), Liang; Alfred (Edison, NJ)
Assignee:	Alpharma Pharmaceuticals, LLC (Bridgewater, NJ)
Application Number:	11/820,499
Patent Claims:	1. A method of treating moderate to severe pain in a human, the method comprising: orally administering to said human an intact composition in an amount sufficient to treat the moderate to severe pain; wherein the composition comprises a plurality of multi-layer pellets comprising: a. a water-soluble core; b. an opioid antagonist comprising layer coating the core, wherein the opioid antagonist is selected from the group consisting of naltrexone, naloxone, nalmefene, cyclazacine, levallorphan, salts of these molecules, and combinations thereof; c. a sequestering polymer layer coating the opioid antagonist comprising layer; d. an osmotic pressure regulating agent comprising layer coating the sequestering polymer layer, wherein the osmotic pressure regulating agent is selected from the group consisting of sodium chloride, sodium bromide, sodium iodide, hydroxypropyl methyl cellulose, and combinations thereof; e. an opioid agonist comprising layer coating the osmotic pressure regulating agent comprising layer, wherein the opioid agonist is selected from the group consisting of morphine, oxycodone, hydrocodone, hydromorphone, dihydrocodeine, codeine, dihydromorphine, buprenorphine, salts of these molecules, and combinations thereof; and f. a controlled release layer coating the opioid agonist comprising layer; wherein the sequestering polymer layer comprises copolymers of acrylic and methacrylic acid esters with quaternary ammonium groups, a surfactant in an amount from 1.6% to 6.3% of the copolymers of acrylic and methacrylic acid esters with quaternary ammonium groups on a weight-to-weight basis, and talc in an amount of from 75% to 125% of the copolymers of acrylic and methacrylic acid esters with quaternary ammonium groups on a weight-to-weight basis; wherein the surfactant is selected from the group consisting of sodium lauryl sulfate, sodium docusate, dioctyl sodium sulphosuccinate, sodium lauryl sarcosinate, sodium methyl cocyl taurate, magnesium lauryl sulfate, dioctyl sodiumsulfosuceinate, sodiumdodecylbenzene sulfonate, and combinations thereof; and wherein when tested by a testing method, the composition sequesters at least 80% of the opioid antagonist as determined at 73 hours from the start of the testing method, wherein the testing method comprises first placing the composition in 500 mL of a 0.1 N HCl solution for 1 hour at 37.degree. C. using USP paddle method, 100 rotations per minute, and then placing the composition in 500 mL of a pH 7.5, 0.05 M phosphate buffer, for 72 hours at 37.degree. C. using USP paddle method, 100 rotations per minute, and then determining the amount of the opioid antagonist sequestered. 2. The method of claim 1, wherein in the multi-layer pellets the surfactant is not comprised in the following: the water-soluble core, the opioid antagonist comprising layer, the osmotic pressure regulating agent comprising layer, the opioid agonist comprising layer, and the controlled release layer. 3. The method of claim 1, wherein in the multi-layer pellets the opioid agonist comprising layer further comprises hydroxypropyl cellulose. 4. The method of claim 1, wherein in the multi-layer pellets the surfactant is not comprised in the following: the water-soluble core, the opioid antagonist comprising layer, the osmotic pressure regulating agent comprising layer, the opioid agonist comprising layer, and the controlled release layer; and wherein the opioid agonist comprising layer further comprises hydroxypropyl cellulose. 5. The method of claim 1, wherein in the multi-layer pellets the osmotic pressure regulating agent comprises sodium chloride; the surfactant is sodium lauryl sulfate; and the opioid agonist comprising layer comprises morphine sulfate and further comprises hydroxypropyl cellulose. 6. The method of claim 1, wherein in the multi-layer pellets the opioid antagonist is the salt of naltrexone; the osmotic pressure regulating agent comprises sodium chloride; the surfactant is sodium lauryl sulfate; and the opioid agonist comprising layer comprises morphine sulfate and further comprises hydroxypropyl cellulose. 7. The method of claim 1, wherein in the multi-layer pellets the opioid antagonist is naltrexone HCl; the osmotic pressure regulating agent comprises sodium chloride; the surfactant is sodium lauryl sulfate; and the opioid agonist comprising layer further comprises hydroxypropyl cellulose. 8. The method of claim 1, wherein in the multi-layer pellets, the opioid antagonist is naltrexone HCl; the osmotic pressure regulating agent comprises sodium chloride; the surfactant is sodium lauryl sulfate; and the opioid agonist comprising layer comprises a salt of morphine and further comprises hydroxypropyl cellulose. 9. The method of claim 1, wherein in the multi-layer pellets the opioid antagonist is naltrexone HCl; the osmotic pressure regulating agent comprises sodium chloride; and the opioid agonist comprising layer comprises morphine sulfate and further comprises hydroxypropyl cellulose. 10. The method of claim 1, wherein in the multi-layer pellets the opioid antagonist is naltrexone HCl; the surfactant is sodium lauryl sulfate; and the opioid agonist comprising layer comprises morphine sulfate and further comprises hydroxypropyl cellulose. 11. The method of claim 1, wherein in the multi-layer pellets the opioid antagonist is naltrexone HCl; the surfactant is sodium lauryl sulfate; the osmotic pressure regulating agent comprises sodium bromide; and the opioid agonist comprising layer comprises morphine sulfate and further comprises hydroxypropyl cellulose. 12. The method of claim 1, wherein in the multi-layer pellets the opioid antagonist is naltrexone HCl; the surfactant is sodium lauryl sulfate; the osmotic pressure regulating agent comprises sodium iodide; and the opioid agonist comprising layer comprises morphine sulfate and further comprises hydroxypropyl cellulose. 13. The method of claim 1, wherein in the multi-layer pellets, the opioid antagonist is naltrexone HCl; the surfactant is sodium lauryl sulfate; the osmotic pressure regulating agent comprises hydroxypropyl methyl cellulose; and the opioid agonist comprising layer comprises morphine sulfate and further comprises hydroxypropyl cellulose. 14. The method of claim 1, wherein in the multi-layer pellets the surfactant is not comprised in the following: the water-soluble core, the opioid antagonist comprising layer, the osmotic pressure regulating agent comprising layer, the opioid agonist comprising layer, and the controlled release layer. 15. The method of claim 1, wherein in the multi-layer pellets the controlled release layer comprises a cellulose; a polyalkylene glycol; an anionic copolymer based on methacrylic acid and ethylacrylate; and a plasticizer. 16. The method of claim 1, wherein in the multi-layer pellets the controlled release layer comprises a cellulose; a polyalkylene glycol; an anionic copolymer based on methacrylic acid and ethylacrylate; and a plasticizer. 17. The method of claim 1, wherein the composition does not comprise a bittering agent, a gelling agent, an irritant, or an emetic. 18. The method of claim 1, wherein in the multi-layer pellets opioid antagonist is not comprised in the following: the water-soluble core, the sequestering polymer layer, the osmotic pressure regulating agent comprising layer, the opioid agonist comprising layer, and the controlled release layer. 19. The method of claim 1, wherein in the multi-layer pellets opioid agonist is not comprised in the following: the water-soluble core, the opioid antagonist comprising layer, the sequestering polymer layer, the osmotic pressure regulating agent comprising layer, and the controlled release layer. 20. A method of treating moderate to severe pain in a human, the method comprising: orally administering to said human an intact composition in an amount sufficient to treat the moderate to severe pain; wherein the composition comprises a plurality of multi-layer pellets comprising: a. a water-soluble core; b. an opioid antagonist comprising layer coating the core, wherein the opioid antagonist is selected from the group consisting of naltrexone, naloxone, nalmefene, cyclazacine, levallorphan, salts of these molecules, and combinations thereof; c. a sequestering polymer layer coating the opioid antagonist comprising layer; d. an osmotic pressure regulating agent comprising layer coating the sequestering polymer layer, wherein the osmotic pressure regulating agent is selected from the group consisting of sodium chloride, sodium bromide, sodium iodide, hydroxypropyl methyl cellulose, and combinations thereof; e. an opioid agonist comprising layer coating the osmotic pressure regulating agent comprising layer, wherein the opioid agonist is selected from the group consisting of oxycodone, a salt of oxycodone, and combinations thereof; and f. a controlled release layer coating the opioid agonist comprising layer; wherein the sequestering polymer layer comprises copolymers of acrylic and methacrylic acid esters with quaternary ammonium groups, a surfactant in an amount from 1.6% to 6.3% of the copolymers of acrylic and methacrylic acid esters with quaternary ammonium groups on a weight-to-weight basis, and talc in an amount of from 75% to 125% of the copolymers of acrylic and methacrylic acid esters with quaternary ammonium groups on a weight-to-weight basis; wherein the surfactant is selected from the group consisting of sodium lauryl sulfate, sodium docusate, dioctyl sodium sulphosuccinate, sodium lauryl sarcosinate, sodium methyl cocyl taurate, magnesium lauryl sulfate, dioctyl sodiumsulfosuceinate, sodiumdodecylbenzene sulfonate, and combinations thereof; and wherein when tested by a testing method, the composition sequesters at least 80% of the opioid antagonist as determined at 73 hours from the start of the testing method, wherein the testing method comprises first placing the composition in 500 mL of a 0.1 N HCl solution for 1 hour at 37.degree. C. using USP paddle method, 100 rotations per minute, and then placing the composition in 500 mL of a pH 7.5, 0.05 M phosphate buffer, for 72 hours at 37.degree. C. using USP paddle method, 100 rotations per minute, and then determining the amount of the opioid antagonist sequestered. 21. The method of claim 1, wherein the opioid antagonist is naltrexone or a salt thereof. 22. The method of claim 21, wherein the opioid agonist is morphine or a salt thereof. 23. The method of claim 21, wherein the opioid agonist is oxycodone or a salt thereof. 24. The method of claim 21, wherein the opioid agonist is hydrocodone or a salt thereof. 25. The method of claim 21, wherein the opioid agonist is hydromorphone or a salt thereof. 26. The method of claim 21, wherein the opioid agonist is dihydrocodeine or a salt thereof. 27. The method of claim 21, wherein the opioid agonist is codeine or a salt thereof. 28. The method of claim 21, wherein the opioid agonist is dihydromorphine or a salt thereof. 29. The method of claim 21, wherein the opioid agonist is buprenorphine or a salt thereof. 30. The method of claim 1, wherein the opioid antagonist is naloxone or a salt thereof. 31. The method of claim 30, wherein the opioid agonist is morphine or a salt thereof. 32. The method of claim 30, wherein the opioid agonist is oxycodone or a salt thereof. 33. The method of claim 30, wherein the opioid agonist is hydrocodone or a salt thereof. 34. The method of claim 30, wherein the opioid agonist is hydromorphone or a salt thereof. 35. The method of claim 30, wherein the opioid agonist is dihydrocodeine or a salt thereof. 36. The method of claim 30, wherein the opioid agonist is codeine or a salt thereof. 37. The method of claim 30, wherein the opioid agonist is dihydromorphine or a salt thereof. 38. The method of claim 30, wherein the opioid agonist is buprenorphine or a salt thereof. 39. The method of claim 1, wherein the opioid antagonist is nalmefene or a salt thereof. 40. The method of claim 39, wherein the opioid agonist is morphine or a salt thereof. 41. The method of claim 39, wherein the opioid agonist is oxycodone or a salt thereof. 42. The method of claim 39, wherein the opioid agonist is hydrocodone or a salt thereof. 43. The method of claim 39, wherein the opioid agonist is hydromorphone or a salt thereof. 44. The method of claim 39, wherein the opioid agonist is dihydrocodeine or a salt thereof. 45. The method of claim 39, wherein the opioid agonist is codeine or a salt thereof. 46. The method of claim 39, wherein the opioid agonist is dihydromorphine or a salt thereof. 47. The method of claim 39, wherein the opioid agonist is buprenorphine or a salt thereof. 48. The method of claim 1, wherein the opioid antagonist is cyclazacine or a salt thereof. 49. The method of claim 48, wherein the opioid agonist is morphine or a salt thereof. 50. The method of claim 48, wherein the opioid agonist is oxycodone or a salt thereof. 51. The method of claim 48, wherein the opioid agonist is hydrocodone or a salt thereof. 52. The method of claim 48, wherein the opioid agonist is hydromorphone or a salt thereof. 53. The method of claim 48, wherein the opioid agonist is dihydrocodeine or a salt thereof. 54. The method of claim 48, wherein the opioid agonist is codeine or a salt thereof. 55. The method of claim 48, wherein the opioid agonist is dihydromorphine or a salt thereof. 56. The method of claim 48, wherein the opioid agonist is buprenorphine or a salt thereof. 57. The method of claim 1, wherein the opioid antagonist is levallorphan or a salt thereof. 58. The method of claim 57, wherein the opioid agonist is morphine or a salt thereof. 59. The method of claim 57, wherein the opioid agonist is oxycodone or a salt thereof. 60. The method of claim 57, wherein the opioid agonist is hydrocodone or a salt thereof. 61. The method of claim 57, wherein the opioid agonist is hydromorphone or a salt thereof. 62. The method of claim 57, wherein the opioid agonist is dihydrocodeine or a salt thereof. 63. The method of claim 57, wherein the opioid agonist is codeine or a salt thereof. 64. The method of claim 57, wherein the opioid agonist is dihydromorphine or a salt thereof. 65. The method of claim 57, wherein the opioid agonist is buprenorphine or a salt thereof.