Oral pulsed dose drug delivery system

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Capsules

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C424S458000, C424S468000, C424S469000, C424S470000, C424S471000, C424S472000, C514S649000

Reissue Patent

active

RE041148

ABSTRACT:
A multiple pulsed dose drug delivery system for pharmaceutically active amphetamine salts, comprising an immediate-release component and an enteric delayed-release component wherein (1) the enteric release coating has a defined minimum thickness and/or (2) there is a protective layer between the pharmaceutically active amphetamine salt and the enteric release coating and/or (3) there is a protective layer over the enteric release coating. The product can be composed of either one or a number of beads in a dosage form, including either capsule, tablet, or sachet method for administering the beads.

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