Pharmaceutical compositions for nasal delivery

Pharmaceutical compositions for nasal delivery

  • CN 1,802,158 A
  • Filed: 03/01/2004
  • Published: 07/12/2006
  • Est. Priority Date: 02/28/2003
  • Status: Active Application
First Claim
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1. powdered drug preparation that is suitable for nasal administration, described pharmaceutical preparation is the freeze drying mixt of active substance and excipient, comprises:

  • Weight is the active substance of 0.5-50%,Weight is the excipient of 50-99.5%,And wherein having weight at least is that 0.1% described mixture is an amorphous state.

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