期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 131, 期 7, 页码 2469-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja807416t
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Nanoparticles are finding increased uses in drug delivery applications as a means to increase treatment efficacy and improve patient care. Here, we report engineered polymeric nanoparticles that undergo a hydrophobic to hydrophilic transition at pH 5 to afford swelling and rapid release of their contents. As our clinical interest ties in the prevention of lung tumor recurrence following resection, the nanoparticles were evaluated in a model mimicking microscopic disease, akin to residual occult tumor that can remain at the resection margin following surgery. Expansile nanoparticles loaded with paclitaxel, a poorly water-soluble anticancer drug, prevent establishment of lung cancer in vivo and are superior to the conventional drug delivery method for paclitaxel using Cremophor EL/ethanol.
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