×

Methods of Producing Stabilized Solid Dosage Pharmaceutical Compositions Containing Morphinans

  • US 20110150989A1
  • Filed: 12/21/2010
  • Published: 06/23/2011
  • Est. Priority Date: 12/22/2009
  • Status: Abandoned Application
First Claim
Patent Images

1. A method for the preparation of a solid dosage form pharmaceutical composition comprising a morphinan and at least one other active pharmaceutical ingredient, the method comprising:

  • (a) granulating a mixture comprising the morphinan and at least one excipient in a manner such that the amount of morphinan exposed on the surface of the granule is substantially reduced thereby forming a morphinan-protected granule; and

    (b) granulating a mixture comprising the morphinan-protected granule, the active pharmaceutical agent, a release-controlling polymer comprising a polyethylene oxide polymer to form the solid dosage form pharmaceutical composition comprising a sustained release layer.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×