EGFR expression is associated with decreased benefit from trastuzumab in the NCCTG N9831 (Alliance) trial
Cheng H, Ballman K, Vassilakopoulou M, Dueck AC, Reinholz MM, Tenner K, Gralow J, Hudis C, Davidson NE, Fountzilas G, McCullough AE, Chen B, Psyrri A, Rimm DL, Perez EA. EGFR expression is associated with decreased benefit from trastuzumab in the NCCTG N9831 (Alliance) trial. British Journal Of Cancer 2014, 111: 1065-1071. PMID: 25117817, PMCID: PMC4453859, DOI: 10.1038/bjc.2014.442.Peer-Reviewed Original ResearchConceptsNorth Central Cancer Treatment GroupMetastatic breast cancer cohortEpidermal growth factor receptorBreast cancer cohortHigh EGFR expressionEGFR expressionConcurrent trastuzumabGrowth factor receptorCancer cohortEGFR antibodyNCCTG N9831 trialsAnti-HER2 therapyCancer Treatment GroupDisease-free survivalFactor receptorN9831 trialsSequential trastuzumabAdditive therapyArm AClinical outcomesTreatment optionsWorse outcomesArm CTissue microarrayTreatment groups