Table 2. Effect of gefitinib (G) or NS-398 (N) in combination with docetaxel (D) in PC-3M and DU-145 cells.

Cell lines	G (μM)	D (nM)	Fa	CI	N (μM)	D (nM)	Fa	CI
PC-3M	10	5	0.215	1.153	50	5	0.211	0.982
	20	10	0.280	1.049	100	10	0.308	0.726
	40	20	0.363	1.118	200	20	0.388	1.023
DU-145	10	5	0.186	1.839	50	5	0.264	0.966
	20	10	0.265	1.114	100	10	0.383	0.924
	40	20	0.325	1.092	200	20	0.585	0.956