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Pharmaceutical compositions containing indistinguishable drug components

  • US 20040110781A1
  • Filed: 12/05/2002
  • Published: 06/10/2004
  • Est. Priority Date: 12/05/2002
  • Status: Abandoned Application
First Claim
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1. An oral pharmaceutical multi-particulate dosage form comprising at least two populations of particles, a first population of opioid agonist particles and a second population of opioid antagonist particles wherein said opioid agonist particles provide an analgesically effective amount of opioid agonist and said opioid antagonist particles provide an amount of opioid antagonist effective to attenuate side effects associated with chronic dosing of said opioid agonist, said first population of opioid agonist particles and said second population of opioid antagonist particles being visually indistinguishable, thereby reducing the potential for drug abuse of said opioid agonist by separation of said opioid agonist from said opioid antagonist.

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