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Orales gastroretentives, schwimmendes In-Situ-Geliersystem für Furosemid

Orales gastroretentives, schwimmendes In-Situ-Geliersystem für Furosemid

Anas T. Alhamdany / Nidhal K. Maraie

45,56 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Farmacología
ISBN:
9786207916542
45,56 €
IVA incluido
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Das schwimmende In-situ-Gel ist eines der gastroretentiven Arzneimittelabgabesysteme, die im Vergleich zu herkömmlichen oralen Flüssigkeiten eine Revolution bei den oralen Dosierungsformen mit kontrollierter Freisetzung darstellen. Sie verlängern die Verweildauer des Arzneimittels, das ein enges Absorptionsfenster in den Absorptionsstellen wie dem Magen oder dem oberen Magen-Darm-Trakt hat, da sie eine geringere Schüttdichte als Magenflüssigkeit haben. Daher bleiben sie im Magen schwimmfähig, ohne die Entleerungsrate des Magens zu beeinträchtigen, bis das gesamte Medikament kontinuierlich und langsam freigesetzt wird. Furosemid ist ein hochdosiertes Schleifendiuretikum, das häufig bei Patienten mit kongestiver Herzinsuffizienz (CHF) eingesetzt wird, um überschüssiges Körperwasser loszuwerden, den Blutdruck zu senken und Ödeme zu mobilisieren. In dieser Studie ging es um die Formulierung einer oralen Furosemid-Lösung, die bei direktem Kontakt mit der Magenflüssigkeit geliert und entweder mit Primärpolymeren wie Natriumalginat und Gellangummi oder in Kombination mit Sekundärpolymeren wie Iota-Carrageenan und HPMC flotiert.

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