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Dacomitinib demonstrated in vitro efficacy in EGFR over-expressing SCCHN cell lines.

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posted on 22.05.2014, 03:33 by Justin P. Williams, Inki Kim, Emma Ito, Wei Shi, Shijun Yue, Lillian L. Siu, John Waldron, Brian O'Sullivan, Kenneth W. Yip, Fei-Fei Liu

(A to D) Growth inhibition of three SCCHN and the NOE cell lines, treated with Dacomitinib, with or without IR. (B) FaDu; (C) UT-SCC-8; (D) UT-SCC-42a; and (E) NOE cells were treated with Dacomitinib (0, 10, 25, 50, 100, or 250 nM) alone, or in combination with IR (0, 2, or 4 Gy). MTS assays were conducted 72 hours post-treatment. The graphs represent data from 3 independent experiments, with the mean ± SEM reported. *p<0.05, **p<0.01, ***p<0.001; one-way ANOVA. No statistically significant difference between curves for Figure 2A-D; two-way ANOVA. Combination of Dacomitinib plus RT did not result in a synergistic interaction for any of the dosing regimens in all three SCCHN cell lines (Chou-Talalay Method).