DERMAL DELIVERY OF DOCETAXEL LOADED NANO LIQUID CRYSTALS FOR THE TREATMENT OF SKIN CANCER
Objective: The aim of the present study is to develop docetaxel-loaded nano liquid crystals (NLCs) to enhanced and effective delivery of the drug to the skin cancer.
Methods: NLCs bearing docetaxel were prepared by an emulsification solvent diffusion method. The formulated NLCs were characterized for average particle size, polydispersity index (PDI) Zeta potential, entrapment efficiency and in vitro drug release study. The prepared formulations were studied for it's in vitro cell line and cell uptake study.
Results: It was revealed that the average size of NLCs was found 178.3±5.07, PDI was 0.189, percent entrapment efficiency was found 71.3±2.49 and Zeta potential was found-17.3±2.4. In vitro release determined by Franz diffusion cell was found 61.6±3.2% after 72 hr. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay shows that Docetaxel loaded NLCs were giving more cytotoxicity as compared to the plain drug. The cell uptake study was found enhanced uptake of fluorescein isothiocyanate (FITC) loaded NLCs in comparison to plain FITC. Docetaxel and docetaxel-loaded NLCs showed 28.3±0.3 and 39.3±1.3 growth inhibition respectively after 48h upon incubation at 0.5 µg/ml concentration (p<0.05).
Conclusion: The result of the studies was concluded that NLCs can be used as impending drug delivery system which may enhance the drug uptake and maintain the drug level for longer period of time and it is potential carrier system which can be used for the treatment of skin diseases like cancer.
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