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Delivery of Vinblastine-Containing Niosomes Results in Potent in Vitro/In Vivo Cytotoxicity on Tumor Cells Publisher Pubmed



Amiri B1 ; Ahmadvand H1 ; Farhadi A2 ; Najmafshar A3 ; Chiani M4 ; Norouzian D4
Authors
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Authors Affiliations
  1. 1. Biochemistry Department, Faculty of Medicine, Lorestan University of Medical Science, Khorramabad, Iran
  2. 2. Social Medicine Department, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
  3. 3. Clinical Biochemistry Department, Faculty of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Nanobiotechnology Department, Pasteur Institute of Iran, Tehran, Iran

Source: Drug Development and Industrial Pharmacy Published:2018


Abstract

Vinblastine (VB), as a chemotherapeutic agent, is widely used in treatment of different types of cancer. However, its clinical application is limited due to its low water solubility, side effects, and multidrug resistance. The aim of this study was to increase the therapeutic efficacy of VB using drug delivery systems. For this purpose, a PEGylated niosomal formulation of vinblastine (Pn-VB) was prepared by thin film hydration method and physicochemically characterized. Drug release pattern was performed by dialysis diffusion method. The cytotoxicity of Pn-VB was investigated against murine lung cancer TC-1 cells using MTT assay and its tumor inhibitory effect was evaluated in lung tumor-bearing C57BL/6 mice. Mean particle size, zeta potential, entrapment, and loading efficiency of niosomes were obtained to be about 234.3 ± 11.4 nm, -34.6 ± 4.2 mV, 99.92 ± 1.6%, and 2.673 ± 0.30%, respectively. While, the mean particle size and zeta potential for non-PEGylated niosomes were obtained about 212.4 nm and -31.4 mV, respectively. The in vitro release pattern of drug from niosomes showed a sustained release behavior. Pn-VB indicated a significant increase in toxicity against TC-l cells as compared to free VB. In animal model, Pn-VB exhibited stronger tumor inhibitory effect and longer life time in comparison to free VB. In conclusion, Pn-VB showed appropriate stability, high-entrapment efficacy, lower releasing rate, and stronger cytotoxic activity against lung cancer TC-1 cells as compared to free drug. Thus, the Pn-VB could be a promising formulation for delivery of vinblastine to tumor cells with enhanced drug bioavailability and therapeutic efficacy. © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group.
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