Programmed drug delivery system

The present invention provides a programmed drug delivery system comprising: (a) a core composition comprising one or more beneficial agents and pharmaceutically acceptable excipients, wherein at least one excipient swells when exposed to an aqueous environment, (b) a coat surrounding the core compo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZALA YASHORAJ R, DHARMADHIKARI NITIN B
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	The present invention provides a programmed drug delivery system comprising: (a) a core composition comprising one or more beneficial agents and pharmaceutically acceptable excipients, wherein at least one excipient swells when exposed to an aqueous environment, (b) a coat surrounding the core composition, wherein the coat is impermeable to the beneficial agent and other core components, but may be permeable or impermeable to water, (c) passageway in the coat, (d) a composition applied so as to cover the passageway, and optionally, an immediate release composition comprising the same or different beneficial agent.