2024
Analysis of HER2 expression changes from breast primary to brain metastases and the impact of HER2-low expression on overall survival
Pereslete A, Hughes M, Martin A, Files J, Nguyen K, Buckley L, Patel A, Moore A, Winer E, Dillon D, Li T, Tolaney S, Lin N, Sammons S. Analysis of HER2 expression changes from breast primary to brain metastases and the impact of HER2-low expression on overall survival. Neuro-Oncology 2024, noae163. PMID: 39211994, DOI: 10.1093/neuonc/noae163.Peer-Reviewed Original ResearchHER2-low expressionHER2-lowMetastatic breast cancerHER2-positiveHER2 expressionHER2-0Primary tumorBrain metastasesEstrogen receptorBreast cancerHER2-positive primary tumorsASCO-CAP guidelinesNCI-designated centersMultivariate survival analysisCox proportional hazards modelsAntibody-drug conjugatesProportional hazards modelActive antibody-drug conjugateASCO-CAPHER2 gainHER2 statusInferior survivalOverall survivalIntracranial activityRetrospective analysis
2017
A mouse-human phase I co-clinical trial of taselisib in combination with TDM1 in advanced HER2-positive breast cancer (MBC).
Metzger Filho O, Goel S, Barry W, Hamilton E, Tolaney S, Yardley D, Rees R, Demeo M, Mills C, Hafner M, Winer E, Zhao J, Krop I. A mouse-human phase I co-clinical trial of taselisib in combination with TDM1 in advanced HER2-positive breast cancer (MBC). Journal Of Clinical Oncology 2017, 35: 1030-1030. DOI: 10.1200/jco.2017.35.15_suppl.1030.Peer-Reviewed Original ResearchPhase Ib studyT-DM1Co-clinical trialsIb studyAdvanced HER2-positive breast cancerT-DM1-resistant cellsHER2-positive breast cancerPR/CRAcceptable safety profileAnti-HER2 therapyPI3K blockadePre-clinical experimentsConfirmed responsesMedian PFSPJP prophylaxisMedian durationMedian agePIK3CA H1047RPIK3CA statusSafety profilePneumocystis pneumoniaHER2 expressionClinical resultsMammary carcinomaBreast cancer
2009
Uniformly positive (>80%) HER2 expression maximizes sensitivity and specificity for prediction of response to trastuzumab in CALGB 9840.
Rimm D, Broadwater G, Friedman P, Berry D, Seidman A, Hudis C, Winer E, Harris L, Thor A. Uniformly positive (>80%) HER2 expression maximizes sensitivity and specificity for prediction of response to trastuzumab in CALGB 9840. Cancer Research 2009, 69: 6046. DOI: 10.1158/0008-5472.sabcs-6046.Peer-Reviewed Original ResearchPrediction of responseHER2 expressionCooperative group clinical trialsPositive HER2 expressionGroup clinical trialReceiver operator characteristic curveOperator characteristic curveSubset of casesArea of expressionHeterogeneity of expressionHER2 stainingTH armNeoadjuvant settingStable diseaseProgressive diseaseRECIST criteriaPartial responseClinical outcomesCAP guidelinesPatient selectionPercentage of tissueT therapyClinical trialsHER2 testsLarge cohort
2006
HER2 testing in breast cancer: NCCN Task Force report and recommendations.
Carlson RW, Moench SJ, Hammond ME, Perez EA, Burstein HJ, Allred DC, Vogel CL, Goldstein LJ, Somlo G, Gradishar WJ, Hudis CA, Jahanzeb M, Stark A, Wolff AC, Press MF, Winer EP, Paik S, Ljung BM, _ _. HER2 testing in breast cancer: NCCN Task Force report and recommendations. Journal Of The National Comprehensive Cancer Network 2006, 4 Suppl 3: s1-22; quiz s23-4. PMID: 16813731, DOI: 10.6004/jnccn.2006.2003.Peer-Reviewed Original ResearchConceptsBreast cancerHER2 testingHER2 statusIHC scoreMetastatic settingCopies/cellPredictive factorsHER2 expressionTask force membersEvidence-based consensus approachInvasive breast cancerCancer patient evaluationTask ForceBreast cancer panelGene amplificationBreast cancer tumorsAreas of controversyAdjuvant settingHER2 biologyMedical oncologyPatient evaluationClinical trialsMultidisciplinary panelSurgical oncologyHER2