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Drug delivery compositions for improved stability of steroids

  • US 5,780,050 A
  • Filed: 07/20/1995
  • Issued: 07/14/1998
  • Est. Priority Date: 07/20/1995
  • Status: Expired due to Term
First Claim
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1. A stabilized patch device for transdermal delivery of a steroid drug containing a 3-keto-4-en functional group, wherein said steroid drug is stable upon storage of said device, comprising an effective amount of said steroid drug and a biocompatible polymeric adhesive with which said steroid drug is intimately admixed, wherein said polymeric adhesive is a block copolymer of N-vinyl pyrrolidone and 2-ethyl-hexyl acrylate.

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