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Methods and compositions for deterring abuse of opioid containing dosage forms

  • US 7,201,920 B2
  • Filed: 11/26/2003
  • Issued: 04/10/2007
  • Est. Priority Date: 11/26/2003
  • Status: Active Grant
First Claim
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1. A therapeutic pharmaceutical composition comprisinga 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, β

  • -hydroxy-3-methylfentanyl, levo-α

    -acetylmethadol, levorphanol, lofentanil, meperidine, methadone, morphine, nalbuphine, oxycodone, oxymorphone, pentazocine, pethidine, prepoxyphene, remifentanil, sufentanil, tilidine, tramadol and a pharmaceutically acceptable salt thereof;

    (b) gel forming polyethylene oxide at about 3 to 40% by weight;

    (c) at least one disintegrant at about 2 to 25% by weight, selected from the group consisting of crospovidone, sodium starch glycolate, and croscarmellose sodium; and

    (d) a nasal tissue irritant, wherein the composition functions such that less than about 50% of the total amount of opioid analgesic in the composition is recovered when about 490 mg. of the composition is contacted with 15 ml of water.

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