Pharmaceutical compositions comprising fentanyl for intranasal delivery

This invention provides a composition for intranasal delivery for the treatment or prevention of acute or chronic pain, which comprises an aqueous solution of (i) fentanyl or a pharmaceutically acceptable salt thereof and (ii) a pectin having a degree of esterification (DE value) of less than 30% pr...

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Bibliographische Detailangaben
Hauptverfasser: Smith, Alan, Lafferty, William Columbus Ian, Castile, Jonathan David, Watts, Peter James
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:This invention provides a composition for intranasal delivery for the treatment or prevention of acute or chronic pain, which comprises an aqueous solution of (i) fentanyl or a pharmaceutically acceptable salt thereof and (ii) a pectin having a degree of esterification (DE value) of less than 30% provided that the composition is substantially free of divalent metal ions; and which, in comparison to a simple aqueous solution of fentanyl administered intranasally at the same dose, provides a peak plasma concentration of fentanyl (C max ) that is from 20 to 75% of that achieved using a simple aqueous solution of fentanyl administered intranasally at an identical fentanyl dose.