ORAL OSMOTIC CONTROLLED DRUG DELIVERY SYSTEM

摘要

The present invention provides an oral osmotic controlled drug delivery system comprising (a) a core comprising a homogeneous mixture of glipizide, a hydrophilic polymer and other pharmaceutically acceptable excipients, (b) a semipermeable wall surrounding the core, said wall being impermeable to the contents of the core, but permeable to fluids present in the environment of use, and (c) a passageway through the wall for release of contents of the core to the environment of use.