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CONTROLLED RELEASE COMPOSITIONS COMPRISING ANTI-CHOLINERGIC DRUGS

  • US 20110311626A1
  • Filed: 02/23/2010
  • Published: 12/22/2011
  • Est. Priority Date: 02/23/2009
  • Status: Abandoned Application
First Claim
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1. A controlled release composition comprising a plurality of anti-cholinergic drug-containing particles, the particles comprising:

  • (a) a core comprising an anti-cholinergic drug;

    (b) a first coating disposed over the core comprising at least one water-insoluble polymer; and

    (c) a second coating disposed over the core comprising an enteric polymer optionally in combination with a water-insoluble polymer.

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