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Improved oral bioavailability of the anticancer drug catechin using chitosomes: Design, in-vitro appraisal and in-vivo studies.
International Journal of Pharmaceutics 2019 June 31
Catechin hydrate is a phytopharmaceutical with promising anticancer effects but poor bioavailability. This study aimed to elaborate catechin loaded chitosan-tethered liposomes (chitosomes) to enhance catechin oral bioavailability. Nanocarriers were optimized via ethanol injection method followed by physicochemical, ex vivo and biological appraisal in male Wistar albino rats. Results demonstrated that chitosomes possessed excellent nanosize of 137 nm, monodispersity (PDI < 0.2) and high Zeta potential of +36.8 mV. Additionally, chitosomes showed significant improvement in digestive stability against bile salt with enhanced ex-vivo intestinal permeation. Pharmacokinetic studies revealed the significant potential of chitosomes to enhance catechin bioavailability (AUC, Cmax) and sustain its effect (Tmax). In conclusion, elaborated chitosomes are promising nanoplatforms to enhance catechin oral efficacy with lower dose, side effects, administration frequency and higher patient compliance.
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