Table 2. Combination index (CI) of JQ1 and ABT-263 in H526 cells.

JQ1 dose (nM)	ABT-263 dose (nM)	Mean growth inhibition (%)	Dose of JQ1 alone with same inhibition (nM)	Dose of ABT-263 alone with same inhibition (nM)	CI
D1	D2	X	Dx1	Dx2
50	10	63.9	575	2454	0.004
50	100	78.6	1621	5248	0.049
100	200	87.8	1698	6025	0.092
200	50	94.7	2238	8511	0.094
200	200	99.8	10964	11220	0.035