Pharmaceutical dosage forms having immediate release and/or controlled release properties
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United States of America Patent
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Aug 30, 2011
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app pub date -
Sep 30, 2005
filing date -
Apr 2, 2004
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Abstract
The present invention relates generally to pharmaceutical dosage forms comprising: an absorption window active agent; a controlled release component comprising enteric-coated controlled release beads, wherein the enteric-coated release beads comprise at least two pH-sensitive polymer layers. The controlled-release dosage forms provide good bioavailability of absorption window active agents.
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