2015
Genomic predictor of residual risk of recurrence after adjuvant chemotherapy and endocrine therapy in high risk estrogen receptor-positive breast cancers
Khan SS, Karn T, Symmans WF, Rody A, Müller V, Holtrich U, Becker S, Pusztai L, Hatzis C. Genomic predictor of residual risk of recurrence after adjuvant chemotherapy and endocrine therapy in high risk estrogen receptor-positive breast cancers. Breast Cancer Research And Treatment 2015, 149: 789-797. PMID: 25651779, DOI: 10.1007/s10549-015-3277-7.Peer-Reviewed Original ResearchConceptsRecurrence-free survivalAdjuvant chemotherapyEndocrine therapyHigh riskOncotype DXBreast cancerEstrogen receptor-positive breast cancerReceptor-positive breast cancerRisk categoriesEarly-stage estrogen receptorEndocrine therapy sensitivityGood prognosis patientsER-positive patientsHigh-risk patientsPoor prognosis groupPositive breast cancerLow-risk groupAdjuvant endocrineMultimodality therapyPrognosis patientsRisk patientsEndocrine sensitivityIndependent predictorsPrognosis groupT stage
2013
Proliferation and estrogen signaling can distinguish patients at risk for early versus late relapse among estrogen receptor positive breast cancers
Bianchini G, Pusztai L, Karn T, Iwamoto T, Rody A, Kelly C, Müller V, Schmidt M, Qi Y, Holtrich U, Becker S, Santarpia L, Fasolo A, Del Conte G, Zambetti M, Sotiriou C, Haibe-Kains B, Symmans WF, Gianni L. Proliferation and estrogen signaling can distinguish patients at risk for early versus late relapse among estrogen receptor positive breast cancers. Breast Cancer Research 2013, 15: r86. PMID: 24060333, PMCID: PMC3978752, DOI: 10.1186/bcr3481.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Agents, HormonalBiomarkers, TumorBreast NeoplasmsCell ProliferationChemoradiotherapy, AdjuvantEstrogensFemaleFollow-Up StudiesGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMiddle AgedMitosisNeoplasm GradingNeoplasm MetastasisNeoplasm Recurrence, LocalNeoplasm StagingPrognosisReceptors, EstrogenRiskSignal TransductionTamoxifenConceptsNode-negative tumorsLate relapseNeoadjuvant letrozoleEndocrine therapyEarly relapseNegative tumorsBreast cancerEstrogen receptor-positive breast cancerProliferation markersReceptor-positive breast cancerER-positive breast cancerAdjuvant endocrine therapyAffymetrix gene expression profilesExtended endocrine therapyTamoxifen-treated patientsER-positive patientsGenomic grade indexPositive breast cancerRisk of recurrenceRisk of relapseEstrogen receptor activitySmall independent cohortEstrogen-related genesAdjuvant tamoxifenSystemic therapy
2012
12O_PR Independent Blinded Validation of the Genomic Index of Sensitivity to Endocrine Therapy (Set)
Karn T, Hatzis C, Symmans W, Pusztai L, Ruckhäberle E, Schmidt M, Müller V, Holtrich U, Rody A, Kaufmann M. 12O_PR Independent Blinded Validation of the Genomic Index of Sensitivity to Endocrine Therapy (Set). Annals Of Oncology 2012, 23: ii18. DOI: 10.1016/s0923-7534(19)65684-x.Peer-Reviewed Original ResearchEndocrine therapyPositive patientsPrognostic valueTumor sizeER-positive primary breast cancerPositive primary breast cancerAdjuvant endocrine therapyNegative PgR statusNode-negative cohortPure prognostic valueNode-negative patientsStepwise Cox regressionER-positive patientsPrimary breast cancerBest independent predictorPgR statusAdjuvant treatmentRetrospective cohortIndependent predictorsLymph nodesNegative cohortSurvival benefitCox regressionClinical associationsHER2 statusEstrogen Receptor (ER) mRNA and ER-Related Gene Expression in Breast Cancers That Are 1% to 10% ER-Positive by Immunohistochemistry
Iwamoto T, Booser D, Valero V, Murray JL, Koenig K, Esteva FJ, Ueno NT, Zhang J, Shi W, Qi Y, Matsuoka J, Yang EJ, Hortobagyi GN, Hatzis C, Symmans WF, Pusztai L. Estrogen Receptor (ER) mRNA and ER-Related Gene Expression in Breast Cancers That Are 1% to 10% ER-Positive by Immunohistochemistry. Journal Of Clinical Oncology 2012, 30: 729-734. PMID: 22291085, DOI: 10.1200/jco.2011.36.2574.Peer-Reviewed Original ResearchConceptsER-positive patientsIHC-positive patientsER-positive cancersESR1 mRNA expressionGene signature scoreER statusBreast cancerSignature scoreEstrogen receptor-positive cancersMRNA expressionAdjuvant endocrine therapyEndocrine-sensitive tumorsER-negative cohortER-positive cohortER-negative groupER-positive tumorsOverall survival ratePrimary breast cancerER-negative cancersReceptor-positive cancersSafe clinical approachEstrogen receptor mRNAEndocrine therapyER-positiveAffymetrix U133A gene chips
2009
Estrogen receptor expression and docetaxel efficacy in patients with metastatic breast cancer: A pooled analysis of four randomized trials
Mazouni C, André F, Broglio K, Pusztai L, Hortobagyi G. Estrogen receptor expression and docetaxel efficacy in patients with metastatic breast cancer: A pooled analysis of four randomized trials. Journal Of Clinical Oncology 2009, 27: 1046-1046. DOI: 10.1200/jco.2009.27.15_suppl.1046.Peer-Reviewed Original ResearchMetastatic breast cancerProgression-free survivalER-negative diseaseEfficacy of docetaxelBreast cancerER expressionResponse rateRandomized trialsDisease progressionEstrogen receptor-positive metastatic breast cancerPositive metastatic breast cancerCox proportional hazards modelTumor response rateER-positive patientsER-negative cancersEstrogen receptor expressionProportional hazards modelEffect of docetaxelHazard ratioDocetaxel efficacyPooled analysisTumor responseReceptor expressionHazards modelPatientsGenomic Grade Index Is Associated With Response to Chemotherapy in Patients With Breast Cancer
Liedtke C, Hatzis C, Symmans WF, Desmedt C, Haibe-Kains B, Valero V, Kuerer H, Hortobagyi GN, Piccart-Gebhart M, Sotiriou C, Pusztai L. Genomic Grade Index Is Associated With Response to Chemotherapy in Patients With Breast Cancer. Journal Of Clinical Oncology 2009, 27: 3185-3191. PMID: 19364972, PMCID: PMC2716940, DOI: 10.1200/jco.2008.18.5934.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsArea Under CurveBreast NeoplasmsCyclophosphamideDoxorubicinDrug Resistance, NeoplasmFemaleFluorouracilHumansMiddle AgedNeoadjuvant TherapyOligonucleotide Array Sequence AnalysisPaclitaxelReceptors, EstrogenROC CurveTreatment OutcomeConceptsGenomic grade indexER-positive patientsRelapse-free survivalPathologic responseNeoadjuvant paclitaxelCyclophosphamide chemotherapyBreast cancerWorse distant relapse-free survivalDistant relapse-free survivalSystemic adjuvant therapyPathologic complete responseFine-needle aspiration biopsyGrade 3 tumorsER-negative cancersER-positive cancersGrade 1 tumorsGrade 2 tumorsMinimal residual diseaseHistological tumor gradeAdjuvant therapyNeoadjuvant chemotherapyComplete responseWorse survivalClinical parametersResidual disease
2008
Estrogen Receptor Expression and Efficacy of Docetaxel-Containing Adjuvant Chemotherapy in Patients With Node-Positive Breast Cancer: Results From a Pooled Analysis
Andre F, Broglio K, Roche H, Martin M, Mackey JR, Penault-Llorca F, Hortobagyi GN, Pusztai L. Estrogen Receptor Expression and Efficacy of Docetaxel-Containing Adjuvant Chemotherapy in Patients With Node-Positive Breast Cancer: Results From a Pooled Analysis. Journal Of Clinical Oncology 2008, 26: 2636-2643. PMID: 18509176, DOI: 10.1200/jco.2007.14.9146.Peer-Reviewed Original ResearchConceptsER-negative patientsER-positive patientsRisk of recurrenceDocetaxel therapyER expressionER statusPooled analysisBreast cancerNode-positive breast cancerCox proportional hazards modelAdjuvant chemotherapy trialsDisease-free survivalEfficacy of docetaxelEstrogen receptor expressionPositive breast cancerRisk of deathRandomized clinical trialsProportional hazards modelAdjuvant chemotherapyAdjuvant docetaxelChemotherapy trialsOverall survivalDocetaxel efficacyRandomized trialsClinical variablesCommercialized Multigene Predictors of Clinical Outcome for Breast Cancer
Ross JS, Hatzis C, Symmans WF, Pusztai L, Hortobágyi GN. Commercialized Multigene Predictors of Clinical Outcome for Breast Cancer. The Oncologist 2008, 13: 477-493. PMID: 18515733, DOI: 10.1634/theoncologist.2007-0248.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsCost-Benefit AnalysisDevice ApprovalFemaleGene Expression ProfilingHumansMolecular Diagnostic TechniquesParaffin EmbeddingPredictive Value of TestsPrognosisReceptors, EstrogenReverse Transcriptase Polymerase Chain ReactionUnited StatesUnited States Food and Drug AdministrationConceptsQuantitative multiplex real-time polymerase chain reactionLymph node positiveValidation clinical trialEfficacy of tamoxifenER-positive patientsPredictive testRegulatory approval statusOncotype DX testCurrent clinical utilityReal-time polymerase chain reactionCytochrome P450 CYP2D6High accrual rateMultiplex real-time polymerase chain reactionParaffin-embedded tissuesThird-party payorsProspective trialYounger patientsNode positiveClinical outcomesOncotype DXPatient eligibilityMultigene assaysPolymerase chain reactionClinical trialsBreast cancerEvaluation of biological pathways involved in chemotherapy response in breast cancer
Tordai A, Wang J, Andre F, Liedtke C, Yan K, Sotiriou C, Hortobagyi GN, Symmans WF, Pusztai L. Evaluation of biological pathways involved in chemotherapy response in breast cancer. Breast Cancer Research 2008, 10: r37. PMID: 18445275, PMCID: PMC2397539, DOI: 10.1186/bcr2088.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantCyclophosphamideDoxorubicinDrug Resistance, NeoplasmE2F3 Transcription FactorFemaleFluorouracilGene Expression ProfilingGene Expression Regulation, NeoplasticGenes, p53HumansKi-67 AntigenLymphatic MetastasisMiddle AgedMutationNeoadjuvant TherapyNeoplasm StagingPaclitaxelReceptors, EstrogenSignal TransductionTreatment OutcomeConceptsER-positive breast cancerPathologic complete responseER-positive cancersER-negative cancersGenomic grade indexBreast cancerChemotherapy sensitivityGene signatureER-negative breast cancerProliferation signatureER-positive patientsPositive breast cancerExpression of ERPreoperative paclitaxelProliferation gene signatureCyclophosphamide chemotherapyComplete responseResidual cancerChemotherapy responsePCR groupKi67 expressionEstrogen receptorIntroductionOur goalCancerChemotherapy
2007
Inclusion of taxanes, particularly weekly paclitaxel, in preoperative chemotherapy improves pathologic complete response rate in estrogen receptor-positive breast cancers
Mazouni C, Kau S, Frye D, Andre F, Kuerer H, Buchholz T, Symmans W, Anderson K, Hess K, Gonzalez-Angulo A, Hortobagyi G, Buzdar A, Pusztai L. Inclusion of taxanes, particularly weekly paclitaxel, in preoperative chemotherapy improves pathologic complete response rate in estrogen receptor-positive breast cancers. Annals Of Oncology 2007, 18: 874-880. PMID: 17293601, DOI: 10.1093/annonc/mdm008.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsBridged-Ring CompoundsChemotherapy, AdjuvantCyclophosphamideDoxorubicinDrug Administration ScheduleFemaleFluorouracilHumansMiddle AgedNeoplasms, Hormone-DependentPaclitaxelPrognosisReceptors, EstrogenSurvival AnalysisTaxoidsTumor BurdenConceptsPathologic complete response rateComplete response rateER-negative tumorsPreoperative chemotherapyPCR rateER statusBreast cancerResponse rateEstrogen receptor-positive breast cancerReceptor-positive breast cancerMD Anderson Cancer CenterBreast cancer benefitER-negative statusInclusion of taxanesER-negative patientsER-positive patientsER-positive tumorsNeo-adjuvant therapyType of regimenClinical tumor sizeSubset of patientsCox regression analysisER-negative cancersPositive breast cancerAnderson Cancer Center