CONTROLLED RELEASE DRUG DELIVERY SYSTEMS AND PHARMACEUTICAL COMPOSITIONS FORMED THEREWITH

摘要

The present invention relates to controlled release drug delivery systems. In one embodiment, the present invention relates to controlled release drug delivery systems comprising a combination of at least one polyacrylic acid and at least one enteric polymer. In another embodiment, the present invention relates to a controlled release pharmaceutical composition comprising the combination of at least one active pharmaceutical ingredient and a controlled release drug delivery system, where the controlled release drug delivery system comprises the combination of at least one polyacrylic acid and at least one enteric polymer.