From:  Osimertinib nano-niosomes: surfactant effects, release kinetics, and cytotoxicity studies

 Comparative IC50 values for free osimertinib and osimertinib-loaded nano-niosomal formulations (F1–F4) against KAIMRC-2, MDA-MB231, and HCT-116 cell lines.

Cell lineTreatmentLog IC50IC50 (µg/mL)R2% Reduction vs. free OSI
KAIMRC-2Free OSI1.0010.00.97
KAIMRC-2F1 (Span 60)0.857.10.9729% ↓
KAIMRC-2F2 (Tween 60)0.775.90.9241% ↓
KAIMRC-2F3 (Pluronic F-127)0.868.60.9414% ↓
KAIMRC-2F4 (Brij 52)0.816.50.9235% ↓
MDA-MB231Free OSI1.0511.20.96
MDA-MB231F1 (Span 60)0.979.40.9516% ↓
MDA-MB231F2 (Tween 60)0.959.70.9413% ↓
MDA-MB231F3 (Pluronic F-127)0.908.00.9629% ↓
MDA-MB231F4 (Brij 52)0.877.50.9333% ↓
HCT-116Free OSI1.0210.50.97
HCT-116F1 (Span 60)0.979.50.9710% ↓
HCT-116F2 (Tween 60)0.999.90.986% ↓
HCT-116F3 (Pluronic F-127)0.715.10.9551% ↓
HCT-116F4 (Brij 52)0.897.90.9625% ↓