Erratum to: Breast Cancer Res Treat (2012) 136:717–727 DOI 10.1007/s10549-012-2260-9

In the original publication, the authors stated that “high levels of IGF1R and pIGF1R were associated with higher IC50 values for NVP-AEW541, with p values approaching statistical significance (IGF1R: P = 0.053; pIGF1R: P = 0.078)”. This statement should read as “high levels of IGF1R and pIGF1R were associated with lower IC50 values for NVP-AEW541”. Consequently high IGF1R and pIGF1R levels are weakly predictive of sensitivity to NVP-AEW541. These updated data have no significant effect on any of the other statistical correlations listed in the article.