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Claims for Patent: 7,510,726

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Claims for Patent: 7,510,726

Title:Methods and compositions for deterring abuse of opioid containing dosage forms
Abstract: This invention relates to an abuse deterrent dosage form of opioid analgesics, wherein an analgesically effective amount of opioid analgesic is combined with a polymer to form a matrix.
Inventor(s): Kumar; Vijai (Morris Plains, NJ), Dixon; David (Woodside, NY), Tewari; Divya (Suffern, NY), Wadgaonkar; Dilip B. (Suffern, NY)
Assignee: Acura Pharmaceuticals, Inc. (Palatine, IL)
Application Number:11/716,122
Patent Claims: 1. A therapeutic pharmaceutical composition comprising: a mixture including (a) at least one opioid analgesic selected from the group consisting of alfentanil, buprenorphine, butorphanol, carfentanil, codeine, dezocine, diacetylmorphine, dihydrocodeine, dihydromorphine, diprenorphine, etorphine, fentanyl, hydrocodone, hydromorphone, .beta.-hydroxy-3-methylfentanyl, levo-acetylmethadol, levorphanol, lofentanil, meperidine, methadone, morphine, nalbuphine, oxycodone, oxymorphone, pentazocine, pethidine, propoxyphene, remifentanil, sufentanil, tilidine, tramadol and a pharmaceutically acceptable salt thereof; (b) gel forming polyethylene oxide; (c) at least one disintegrant wherein the disintegrant is selected from the group consisting of crospovidone, sodium starch glycolate, and croscarmellose sodium; and (d) a surfactant.

2. The therapeutic pharmaceutical composition of claim 1, further comprising an emetic.

3. The therapeutic pharmaceutical composition of claim 1, wherein the gel forming polyethylene oxide has an average molecular weight ranging from about 300,000 to about 5,000,000.

4. The therapeutic pharmaceutical composition of claim 1, wherein the pharmaceutical composition is in unit dose form.

5. The therapeutic pharmaceutical composition of claim 1, wherein the pharmaceutical composition is in a suppository, capsule, caplet, pill, gel, soft gelatin capsule, or compressed tablet form.

6. The therapeutic pharmaceutical composition of claim 1, wherein the analgesic is present in an amount of about 0.5 to about 25 percent by weight.

7. The therapeutic pharmaceutical composition of claim 1, wherein the analgesic is oxycodone or a pharmaceutically acceptable salt thereof.

8. A therapeutic pharmaceutical composition comprising: a mixture including (a) at least one opioid analgesic selected from the group consisting of alfentanil, buprenorphine, butorphanol, carfentanil, codeine, dezocine, diacetylmorphine, dihydrocodeine, dihydromorphine, diprenorphine, etorphine, fentanyl, hydrocodone, hydromorphone, .beta.-hydroxy-3-methylfentanyl, levo-acetylmethadol, levorphanol, lofentanil, meperidine, methadone, morphine, nalbuphine, oxycodone, oxymorphone, pentazocine, pethidine, propoxyphene, remifentanil, sufentanil, tilidine, tramadol and a pharmaceutically acceptable salt thereof (b) gel forming polyethylene oxide; (c) at least one disintegrant at about 2 to 25 percent by weight wherein the disintegrant is selected from the group consisting of crospovidone, sodium starch glycolate, and croscarmellose sodium; and (d) sodium lauryl sulfate.

9. The therapeutic pharmaceutical composition of claim 8, further comprising an emetic.

10. The therapeutic pharmaceutical composition of claim 8, wherein the gel forming polyethylene oxide has an average molecular weight ranging from about 300,000 to about 5,000,000.

11. The therapeutic pharmaceutical composition of claim 8, wherein the pharmaceutical composition is in unit dose form.

12. The therapeutic pharmaceutical composition of claim 8, wherein the pharmaceutical composition is in a suppository, capsule, caplet, pill, gel, soft gelatin capsule, or compressed tablet form.

13. The therapeutic pharmaceutical composition of claim 8, wherein the analgesic is present in an amount of about 0.5 to about 25 percent by weight.

14. The therapeutic pharmaceutical composition of claim 8, wherein the analgesic is oxycodone or a pharmaceutically acceptable salt thereof.

15. A therapeutic pharmaceutical composition comprising: a mixture including (a) at least one opioid analgesic selected from the group consisting of alfentanil, buprenorphine, butorphanol, carfentanil, codeine, dezocine, diacetylmorphine, dihydrocodeine, dihydromorphine, diprenorphine, etorphine, fentanyl, hydrocodone, hydromorphone, .beta.-hydroxy-3-methylfentanyl, levo-acetylmethadol, levorphanol, lofentanil, meperidine, methadone, morphine, nalbuphine, oxycodone, oxymorphone, pentazocine, pethidine, propoxyphene, remifentanil, sufentanil, tilidine, tramadol and a pharmaceutically acceptable salt thereof; (b) gel forming polyethylene oxide; (c) at least one disintegrant wherein the disintegrant is selected from the group consisting of crospovidone, sodium starch glycolate, and croscarmellose sodium; and (d) sodium lauryl sulfate at about 1 to 10 percent by weight.

16. The therapeutic pharmaceutical composition of claim 15, further comprising an emetic.

17. The therapeutic pharmaceutical composition of claim 15, wherein the gel forming polyethylene oxide has an average molecular weight ranging from about 300,000 to about 5,000,000.

18. The therapeutic pharmaceutical composition of claim 15, wherein the pharmaceutical composition is in unit dose form.

19. The therapeutic pharmaceutical composition of claim 15, wherein the pharmaceutical composition is in a suppository, capsule, caplet, pill, gel, soft gelatin capsule, or compressed tablet form.

20. The therapeutic pharmaceutical composition of claim 15, wherein the analgesic is oxycodone or a pharmaceutically acceptable salt thereof.
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