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. 2016 Feb 17;7(16):21496–21509. doi: 10.18632/oncotarget.7452

Table 2. Synergistic analysis for combination therapy via CalcuSyn software.

Cell line Combination Index (CI) Drug Reduction Index (DRI) IC50 (μM) Synergism/antagonism
IC50 IC75 IC90 Gefitinib S3I-201 Gefitinib S3I-201
778 0.23 0.15 0.14 5.97 15.74 4.74 9.43 Strong Synergism
449B 0.34 0.61 1.10 4.15 10.56 6.98 9.04 Synergism
HT1080 0.62 0.55 0.51 2.53 4.45 1.44 3.26 Synergism