SUBLINGUAL FENTANYL SPRAY

  • US 20130327321A1
  • Filed: 05/15/2013
  • Published: 12/12/2013
  • Est. Priority Date: 01/25/2006
  • Status: Active Grant
First Claim
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1. A sublingual fentanyl formulation comprising discrete liquid droplets of an effective amount of fentanyl, a free base or a pharmaceutically acceptable salt thereof, or derivative thereof, in a pharmaceutically acceptable liquid carrier;

  • said droplets having a mean diameter of at least about 10 microns.

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