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Suresh Bandari,Sharath Sunkavalli,Basanth Babu Eedara,Karthik Yadav Janga,Ashok Velpula,Raju Jukanti 한국화학공학회 2016 Korean Journal of Chemical Engineering Vol.33 No.3
Liquid self-nanoemulsifying drug delivery systems (L-SNEDDS) of docetaxel were prepared using varying ratios of Capmul PG 8 NF (oil), Cremophor EL (surfactant) and Transcutol-P (co-surfactant). The optimized L-SNEDDS (L11) was transformed into self-nanoemulsifying powder (SNEP) by physical adsorption on to Neusilin US2 and evaluated for dissolution behavior, in vitro cytotoxicity and in vivo oral bioavailability. Optimized L-SNEDDS (L11) composed of 50% of oil, 41.7% of surfactant and 8.3% co-surfactant produced stable emulsion with smaller globules (43±3 nm). In vitro dissolution studies showed the rapid drug release within 5min (95.42±1%) from SNEPN. In vitro cytotoxicity assessed by the MTT assay using MCF-7 human breast cancer cell lines revealed that L-SNEDDS significantly reduced the IC50 value and was 2.3 times lower than the pure docetaxel. Further, the oral bioavailability studies in male Wistar rats showed higher Cmax values following treatment with SNEPN (0.98±0.13 μg/mL) and L-SNEDDS (1.09± 0.06 μg/mL) compared to pure docetaxel (0.37±0.04 μg/mL).