Galactosylated polymeric carriers for liver targeting of sorafenib

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63 Citazioni (Scopus)


In this paper, we describe the preparation of liver-targeted polymeric micelles potentially able to carry sorafenib to hepatocytes for treatment of hepatocarcinoma (HCC), exploiting the presence of carbohydrate receptors, ASGPR. These micelles were prepared starting from a galactosylated polylactide-polyaminoacid conjugate. This latter was obtained by chemical reaction of α,β-poly(N-2-hydroxyethyl) (2-aminoethylcarbamate)-d,l-aspartamide (PHEA-EDA) with polylactic acid (PLA), and subsequent reaction with lactose, leading to PHEA-EDA-PLA-GAL copolymer. Liver-targeted sorafenib-loaded micelles were obtained in aqueous media at low PHEA-EDA-PLA-GAL copolymer concentration value with nanometer size and slightly positive zeta potential. Biodistribution studies on mice demonstrated, after oral administration of sorafenib loaded PHEA-EDA-PLA-GAL micelles, the preferential sorafenib accumulation into the liver. This finding raises hope in terms of future drug delivery strategy of sorafenib-loaded micelles targeted to the liver for the HCC treatment.
Lingua originaleEnglish
pagine (da-a)172-180
Numero di pagine9
RivistaInternational Journal of Pharmaceutics
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

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