2023
Intratumor spatial heterogeneity in programmed death-ligand 1 (PD-L1) protein expression in early-stage breast cancer
Kahn A, Golestani R, Harigopal M, Pusztai L. Intratumor spatial heterogeneity in programmed death-ligand 1 (PD-L1) protein expression in early-stage breast cancer. Breast Cancer Research And Treatment 2023, 201: 289-298. PMID: 37378695, DOI: 10.1007/s10549-023-06977-1.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerPD-L1 expressionBreast cancerPD-L1Metastatic triple-negative breast cancerPD-L1 positive casesEarly-stage breast cancerPD-L1 protein expressionImmune checkpoint inhibitorsPD-L1 positivityPD-L1 statusProtein expressionWhole study populationPrimary breast tumorsNegative breast cancerConcordant negative resultsCheckpoint inhibitorsMultiple biopsiesPositive cancersCohen's kappa coefficientStudy populationE1L3N antibodyDiscordance rateBreast tumorsPositive cases
2017
Long-term survival of de novo stage IV human epidermal growth factor receptor 2 (HER2)-positive breast cancers treated with HER2 targeted therapy.
Wong Y, Raghavendra A, Hatzis C, Irizarry J, Vega T, Barcenas C, Chavez-Mac Gregor M, Valero V, Tripathy D, Pusztai L, Murthy R. Long-term survival of de novo stage IV human epidermal growth factor receptor 2 (HER2)-positive breast cancers treated with HER2 targeted therapy. Journal Of Clinical Oncology 2017, 35: 1021-1021. DOI: 10.1200/jco.2017.35.15_suppl.1021.Peer-Reviewed Original ResearchProgression-free survivalLonger progression-free survivalPositive breast cancerHER2-positive cancersMedian OSNED patientsOS ratesFree survivalOverall survivalPositive cancersBreast cancerDe novo stage IV diseaseHuman epidermal growth factor receptor 2HER2-positive breast cancerEpidermal growth factor receptor 2MD Anderson Cancer CenterStage IV diseaseAggressive multimodality therapyEvidence of diseaseFirst-line therapyGrowth factor receptor 2Year of diagnosisEarly-stage patientsAnderson Cancer CenterLong-term survival
2015
The Influence of Host Factors on the Prognosis of Breast Cancer: Stroma and Immune Cell Components as Cancer Biomarkers.
Karn T, Pusztai L, Rody A, Holtrich U, Becker S. The Influence of Host Factors on the Prognosis of Breast Cancer: Stroma and Immune Cell Components as Cancer Biomarkers. Current Cancer Drug Targets 2015, 15: 652-64. PMID: 26452382, DOI: 10.2174/156800961508151001101209.Peer-Reviewed Original ResearchConceptsBreast cancerPredictive markerImmune cellsStromal componentsHER2-positive breast cancerHigh lymphocytic infiltrationPositive breast cancerHER2-positive cancersImmune cell componentsNovel therapeutic optionsType breast cancerBreast cancer subtypesHost immunological responseImmunotherapeutic regimensClinical courseImmune markersLymphocytic infiltrationPositive cancersTherapeutic optionsInflammatory cellsClinical subtypingImmunological parametersClinical trialsImmune parametersImmunological response
2011
P1-07-09: Estrogen Receptor (ER) mRNA and ER-Related Gene Expression in Breast Cancers That Are 1%-10% ER-Positive by Immunohistochemistry.
Iwamoto T, Booser D, Valero V, Murray J, Koenig K, Esteva F, Ueno N, Zhang J, Shi W, Qi Y, Matsuoka J, Hortobagyi G, Hatzis C, Symmans W, Pusztai L. P1-07-09: Estrogen Receptor (ER) mRNA and ER-Related Gene Expression in Breast Cancers That Are 1%-10% ER-Positive by Immunohistochemistry. Cancer Research 2011, 71: p1-07-09-p1-07-09. DOI: 10.1158/0008-5472.sabcs11-p1-07-09.Peer-Reviewed Original ResearchER-positive casesER-positive cancersESR1 mRNA expressionGene signature scoreIHC-positive casesLuminal ABreast cancerSignature scoreMRNA expressionER-negative cancersPrimary breast cancerESR1 mRNA levelsEstrogen receptor mRNAER expressionER statusER-positivePositive cancersAffymetrix U133A gene chipsLuminal BSensitive tumorsEstrogen receptorB. ConclusionReceptor mRNAESR1 expressionPositive cases
2008
Effect of Molecular Disease Subsets on Disease-Free Survival in Randomized Adjuvant Chemotherapy Trials for Estrogen Receptor–Positive Breast Cancer
Pusztai L, Broglio K, Andre F, Symmans WF, Hess KR, Hortobagyi GN. Effect of Molecular Disease Subsets on Disease-Free Survival in Randomized Adjuvant Chemotherapy Trials for Estrogen Receptor–Positive Breast Cancer. Journal Of Clinical Oncology 2008, 26: 4679-4683. PMID: 18662965, DOI: 10.1200/jco.2008.17.2544.Peer-Reviewed Original ResearchConceptsDisease-free survivalER-positive breast cancerAdjuvant chemotherapy trialsProportion of patientsBreast cancerChemotherapy trialsRS patientsEstrogen receptor-positive breast cancerRandomized adjuvant chemotherapy trialReceptor-positive breast cancerFuture adjuvant studiesProportion of casesTwo-arm clinical trialChemotherapy decreasesMolecular diagnostic testsAdjuvant chemotherapyEndocrine therapyAdjuvant studiesDisease subsetsPositive cancersClinical trialsDFS estimatesRisk groupsEstrogen receptorMolecular subtypes