Table 6: IC50 values of PTX solutions and the drug-loaded NLC against HT-29 cell lines.

Drug formulationIC50 (mean ± SD)
24 h48 h72 h

PTX in cremophor EL15.81 ± 3.1210.23 ± 1.568.32 ± 1.35
PTX-NLC18.93 ± 2.5611.24 ± 2.345.24 ± 0.96
PTX in DMSO13.31 ± 4.128.93 ± 3.566.91 ± 0.85