Once-a-day oxycodone formulations

Once-a-day oxycodone formulations

  • CN 101,627,974 B
  • Filed: 05/02/2002
  • Issued: 07/09/2014
  • Est. Priority Date: 05/02/2001
  • Status: Active Grant
First Claim
Patent Images

1. within 1st, take a sustained release peroral dosage form once, it comprises:

  • Wherein 1-640 milligram oxycodone or its pharmaceutically acceptable salt and Eudragit RSPO, octadecanol and stearic acid are combined into pharmaceutically acceptable matrix, described matrix comprises the many granules of multiple matrixes, each described granose diameter of matrix is 0.1 millimeter to 5 millimeters, and length is 0.1 millimeter to 12 millimeters;

    Described dosage form provides the sustained release effect of at least 24 hours.

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