Table 1 Half-maximal inhibitory concentration (IC50) of sorafenib for HepG2 spheroid (3D) and monolayer culture (2D) after 24 hours and 48 hours of drug exposure.

From: Effect of Spheroidal Age on Sorafenib Diffusivity and Toxicity in a 3D HepG2 Spheroid Model

Sorafenib exposure time (hours)

3D (µM)

2D (µM)

p-value

24

47.77 ± 3.12

29.14 ± 1.14

<0.05

48

8.40 ± 1.20

7.66 ± 1.02

>0.05