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US 2009/0155374 A1Published application
Nanoparticles for protein drug delivery
AssigneesGP Medical, Inc., National Tsing Hua University
InventorsHsing-wen Sung, Hsiang-Fa Liang, Hosheng Tu
Life of this patent
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Abstract
The invention discloses the nanoparticles composed of chitosan, poly-glutamic acid, and at least one protein drug or bioactive agent characterized with a positive surface charge and their enhanced permeability for paracellular protein drug and bioactive agent delivery.
Claims21
1-20. (canceled)
A method for enhancing controlled release of at least one bioactive agent in blood circulation, comprising injecting chitosan-shelled nanoparticles into said blood circulation, wherein said at least one bioactive agent is encapsulated within said nanoparticles.
Dependencies are inferred from the claim text.