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DOSAGE FORM FOR DELAYED RELEASE COMPRISING PHARMACEUTICALLY ACTIVE SUBSTANCE AND A DRUG-RELEASE HINDERING MEANS AND A SECOND COMPOSITION WHICH IMBIBES FLUID, EXPANDS, AND EJECTS THE ACTIVE SUBSTANCE FROM THE DEVICE
DOSAGE FORM FOR DELAYED RELEASE COMPRISING PHARMACEUTICALLY ACTIVE SUBSTANCE AND A DRUG-RELEASE HINDERING MEANS AND A SECOND COMPOSITION WHICH IMBIBES FLUID, EXPANDS, AND EJECTS THE ACTIVE SUBSTANCE FROM THE DEVICE
An osmotic device (10) is disclosed that comprises a first and second means that act together to provide a drug-free interval prior to the delivery of a drug (15) from inside the device (10). The first means slows the passage of fluid through wall (12) into device (10), and the second means in the device delays the delivery of drug (16) from device (10).
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