OSMOTIC DOSAGE FORM COMPRISING FIRST AND SECOND

A dosage form is described having a drug core, an inner, fluid-permeable membrane surrounding the drug core, and an outer, semipermeable membrane having exit means formed or formable therein surrounding the inner membrane. The drug core forms a solution with imbibed fluid through the membranes and d...

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Bibliographische Detailangaben
Hauptverfasser: AYER, ATUL D, SHIVANAND, PADMAJA
Format: Patent
Sprache:eng ; fre
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Beschreibung
Zusammenfassung:A dosage form is described having a drug core, an inner, fluid-permeable membrane surrounding the drug core, and an outer, semipermeable membrane having exit means formed or formable therein surrounding the inner membrane. The drug core forms a solution with imbibed fluid through the membranes and dissolves the inner membrane over time, thereby furthering the maintenance o f controlled, sustained delivery of drug from the dosage form.