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Active agent delivery systems and methods for protecting and administering active agents

  • US 7,060,708 B2
  • Filed: 05/29/2002
  • Issued: 06/13/2006
  • Est. Priority Date: 03/10/1999
  • Status: Expired due to Term
First Claim
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1. A composition comprising:

  • a carrier peptide that comprises at least one hydrocodone covalently attached to said carrier peptide;

    wherein said carrier peptide has a length between 1 and 500 amino acids; and

    wherein said composition is in a form suitable for release of said hydrocodone into the bloodstream of a subject to whom the composition is to be administered from the alimentary tract.

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