2019
Defining Risk of Late Recurrence in Early-Stage Estrogen Receptor–Positive Breast Cancer: Clinical Versus Molecular Tools
Foldi J, O'Meara T, Marczyk M, Sanft T, Silber A, Pusztai L. Defining Risk of Late Recurrence in Early-Stage Estrogen Receptor–Positive Breast Cancer: Clinical Versus Molecular Tools. Journal Of Clinical Oncology 2019, 37: jco.18.01933. PMID: 30943126, DOI: 10.1200/jco.18.01933.Peer-Reviewed Original Research
2017
Long-Term Prognostic Risk After Neoadjuvant Chemotherapy Associated With Residual Cancer Burden and Breast Cancer Subtype
Symmans WF, Wei C, Gould R, Yu X, Zhang Y, Liu M, Walls A, Bousamra A, Ramineni M, Sinn B, Hunt K, Buchholz TA, Valero V, Buzdar AU, Yang W, Brewster AM, Moulder S, Pusztai L, Hatzis C, Hortobagyi GN. Long-Term Prognostic Risk After Neoadjuvant Chemotherapy Associated With Residual Cancer Burden and Breast Cancer Subtype. Journal Of Clinical Oncology 2017, 35: jco.2015.63.101. PMID: 28135148, PMCID: PMC5455352, DOI: 10.1200/jco.2015.63.1010.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantCyclophosphamideDisease-Free SurvivalDoxorubicinEpirubicinFemaleFluorouracilHumansMiddle AgedNeoadjuvant TherapyNeoplasm, ResidualPaclitaxelPhenotypePrognosisProspective StudiesReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneRisk AssessmentSurvival RateTime FactorsTrastuzumabTumor BurdenConceptsResidual cancer burdenPhenotypic subsetsNeoadjuvant chemotherapyValidation cohortPrognostic riskCancer burdenRCB classBreast cancerRCB indexRelapse-free survival estimatesRelapse-free survival rateHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Hormone receptorsOriginal development cohortGrowth factor receptor 2Clinical-pathologic variablesKaplan-Meier analysisLong-term prognosisLog-rank testIndependent validation cohortBreast cancer subtypesLong-term survivalFactor receptor 2Concurrent trastuzumab
2015
Uptake of exemestane chemoprevention in postmenopausal women at increased risk for breast cancer
Aktas B, Sorkin M, Pusztai L, Hofstatter EW. Uptake of exemestane chemoprevention in postmenopausal women at increased risk for breast cancer. European Journal Of Cancer Prevention 2015, 25: 3-8. PMID: 25642790, PMCID: PMC4885537, DOI: 10.1097/cej.0000000000000124.Peer-Reviewed Original ResearchConceptsCancer prevention clinicSelective estrogen receptor modulatorsPostmenopausal womenEstrogen receptor modulatorsChemoprevention uptakePrevention clinicReceptor modulatorsBreast cancer chemopreventionRetrospective chart reviewSerious side effectsChemoprevention medicationsChemopreventive optionChart reviewMean ageAromatase inhibitorsBreast cancerBone densityStudy populationCancer chemopreventionGeneral populationExemestaneSide effectsChemopreventionClinicWomen
2013
Influence of genomics on adjuvant treatments for pre-invasive and invasive breast cancer
Abu-Khalaf M, Pusztai L. Influence of genomics on adjuvant treatments for pre-invasive and invasive breast cancer. The Breast 2013, 22: s83-s87. PMID: 24074799, DOI: 10.1016/j.breast.2013.07.015.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAntineoplastic Agents, HormonalBiopsy, NeedleBreast NeoplasmsChemotherapy, AdjuvantCost SavingsCost-Benefit AnalysisFemaleForecastingGenetic TestingGenomicsHumansImmunohistochemistryMiddle AgedNeoplasm InvasivenessNeoplasm StagingPrognosisReceptors, EstrogenRisk AssessmentSurvival AnalysisTreatment OutcomeConceptsLow-risk patientsBreast cancerRisk patientsTreatment recommendationsEarly-stage breast cancerER-positive breast cancerUse of chemotherapyInvasive breast cancerGenomic testingStage breast cancerInternational practice guidelinesMultivariate prognostic modelCost-effectiveness studiesPotential clinical valueAdjuvant treatmentBreast cancer biomarkersCurrent guidelinesPractice guidelinesClinical utilityClinical valueTumor markersStage IPrognostic modelPrognostic testClinical use
2012
Agreement in Risk Prediction Between the 21‐Gene Recurrence Score Assay (Oncotype DX®) and the PAM50 Breast Cancer Intrinsic Classifier™ in Early‐Stage Estrogen Receptor–Positive Breast Cancer
Kelly CM, Bernard PS, Krishnamurthy S, Wang B, Ebbert MT, Bastien RR, Boucher KM, Young E, Iwamoto T, Pusztai L. Agreement in Risk Prediction Between the 21‐Gene Recurrence Score Assay (Oncotype DX®) and the PAM50 Breast Cancer Intrinsic Classifier™ in Early‐Stage Estrogen Receptor–Positive Breast Cancer. The Oncologist 2012, 17: 492-498. PMID: 22418568, PMCID: PMC3336833, DOI: 10.1634/theoncologist.2012-0007.Peer-Reviewed Original ResearchConceptsBreast cancerEstrogen receptorEarly-stage estrogen receptor-positive breast cancerRisk assignmentHuman epidermal growth factor receptor 2 (HER2) expressionEpidermal growth factor receptor 2 expressionEstrogen receptor-positive breast cancerReceptor-positive breast cancerIntermediate RS groupLuminal B cancersReceptor 2 expressionLow-risk categoryQuantitative polymerase chain reactionB cancersMore patientsPolymerase chain reactionIntermediate RSLower riskStage IRS groupCancerPAM50Risk categoriesRisk predictionChain reaction
2011
Artificial neural network analysis of circulating tumor cells in metastatic breast cancer patients
Giordano A, Giuliano M, De Laurentiis M, Eleuteri A, Iorio F, Tagliaferri R, Hortobagyi GN, Pusztai L, De Placido S, Hess K, Cristofanilli M, Reuben JM. Artificial neural network analysis of circulating tumor cells in metastatic breast cancer patients. Breast Cancer Research And Treatment 2011, 129: 451-458. PMID: 21710134, DOI: 10.1007/s10549-011-1645-5.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsFemaleHumansImmunohistochemistryKaplan-Meier EstimateLinear ModelsMiddle AgedNeoplastic Cells, CirculatingNeural Networks, ComputerPrognosisProportional Hazards ModelsReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneRetrospective StudiesRisk AssessmentRisk FactorsSurvival RateTexasTime FactorsConceptsMetastatic breast cancer patientsRisk of deathBreast cancer patientsCTC countMBC patientsPrognostic effectCancer patientsTumor subtypesTumor cellsMD Anderson Cancer CenterConsecutive MBC patientsTriple-negative MBCMetastatic disease sitesAnderson Cancer CenterTumor molecular subtypeNumber of CTCsMolecular tumor subtypesVisceral metastasesOverall survivalCancer CenterHER2 statusProgesterone receptorMolecular subtypesTherapy typePrognostic toolMultifactorial Approach to Predicting Resistance to Anthracyclines
Desmedt C, Di Leo A, de Azambuja E, Larsimont D, Haibe-Kains B, Selleslags J, Delaloge S, Duhem C, Kains JP, Carly B, Maerevoet M, Vindevoghel A, Rouas G, Lallemand F, Durbecq V, Cardoso F, Salgado R, Rovere R, Bontempi G, Michiels S, Buyse M, Nogaret JM, Qi Y, Symmans F, Pusztai L, D'Hondt V, Piccart-Gebhart M, Sotiriou C. Multifactorial Approach to Predicting Resistance to Anthracyclines. Journal Of Clinical Oncology 2011, 29: 1578-1586. PMID: 21422418, DOI: 10.1200/jco.2010.31.2231.Peer-Reviewed Original ResearchMeSH KeywordsAntibiotics, AntineoplasticAntigens, NeoplasmBiomarkers, TumorBiopsyBreast NeoplasmsChemotherapy, AdjuvantDNA Topoisomerases, Type IIDNA-Binding ProteinsDrug Resistance, NeoplasmEpirubicinEuropeFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMiddle AgedNeoadjuvant TherapyOdds RatioPatient SelectionPoly-ADP-Ribose Binding ProteinsPredictive Value of TestsProspective StudiesReceptor, ErbB-2Receptors, EstrogenReproducibility of ResultsRisk AssessmentRisk FactorsTexasTreatment FailureConceptsPathologic complete responseHuman epidermal growth factor receptor 2Neoadjuvant trialsTOP trialPredictive valueEstrogen receptor-negative tumorsEpidermal growth factor receptor 2High negative predictive valuePrimary end pointGrowth factor receptor 2Receptor-negative tumorsResponse/resistanceFactor receptor 2Negative predictive valueUseful clinical toolER-negative samplesA scoresAnthracycline monotherapyEvaluable patientsGene expression signaturesComplete responseBreast cancerImmune responseReceptor 2Patients
2010
Utility of oncotype DX risk estimates in clinically intermediate risk hormone receptor‐positive, HER2‐normal, grade II, lymph node‐negative breast cancers
Kelly CM, Krishnamurthy S, Bianchini G, Litton JK, Gonzalez‐Angulo A, Hortobagyi GN, Pusztai L. Utility of oncotype DX risk estimates in clinically intermediate risk hormone receptor‐positive, HER2‐normal, grade II, lymph node‐negative breast cancers. Cancer 2010, 116: 5161-5167. PMID: 20665886, DOI: 10.1002/cncr.25269.Peer-Reviewed Original ResearchConceptsTrial Assigning Individualized OptionsRisk of recurrenceOncotype DXRecurrence scoreBreast cancerIntermediate riskGrade I/II tumorsLymph node-negative breast cancerNode-negative breast cancerStage I/IID. Anderson Cancer CenterOncotype DX breast cancerRisk estimatesIntermediate-risk populationEarly breast cancerRoutine clinical variablesHigh-risk groupOncotype DX testingAnderson Cancer CenterAdjuvant chemotherapyDistant recurrenceConsecutive patientsII tumorsClinicopathological variablesLobular carcinomaGenomic Index of Sensitivity to Endocrine Therapy for Breast Cancer
Symmans WF, Hatzis C, Sotiriou C, Andre F, Peintinger F, Regitnig P, Daxenbichler G, Desmedt C, Domont J, Marth C, Delaloge S, Bauernhofer T, Valero V, Booser DJ, Hortobagyi GN, Pusztai L. Genomic Index of Sensitivity to Endocrine Therapy for Breast Cancer. Journal Of Clinical Oncology 2010, 28: 4111-4119. PMID: 20697068, PMCID: PMC2953969, DOI: 10.1200/jco.2010.28.4273.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Agents, HormonalAromatase InhibitorsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantChi-Square DistributionDisease-Free SurvivalEstrogen Receptor alphaFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticGenomicsHumansMiddle AgedNeoplasm StagingOligonucleotide Array Sequence AnalysisPatient SelectionProportional Hazards ModelsRisk AssessmentRisk FactorsSurvival AnalysisTamoxifenTime FactorsTranscription, GeneticTreatment OutcomeConceptsAdjuvant endocrine therapyEndocrine therapyBreast cancerDistant relapseER-positive breast cancerChemo-endocrine therapyDistant relapse riskYears of tamoxifenAdjuvant systemic therapyEstrogen receptor αBreast cancer samplesPrior chemotherapyNeoadjuvant chemotherapyPathologic responseSurvival benefitSystemic therapyUntreated cohortRelapse riskDeath riskTherapy indexAromatase inhibitionESR1 levelsReceptor αTamoxifenTherapyNomogram to Predict Subsequent Brain Metastasis in Patients With Metastatic Breast Cancer
Graesslin O, Abdulkarim BS, Coutant C, Huguet F, Gabos Z, Hsu L, Marpeau O, Uzan S, Pusztai L, Strom EA, Hortobagyi GN, Rouzier R, Ibrahim NK. Nomogram to Predict Subsequent Brain Metastasis in Patients With Metastatic Breast Cancer. Journal Of Clinical Oncology 2010, 28: 2032-2037. PMID: 20308667, DOI: 10.1200/jco.2009.24.6314.Peer-Reviewed Original ResearchConceptsSubsequent brain metastasesBrain metastasesMetastatic breast cancerBreast cancerPatient populationMethods Electronic medical recordsStage IV breast cancerHuman epidermal growth factor receptor 2Shorter disease-free survivalEpidermal growth factor receptor 2Multivariate logistic regression analysisDisease-free survivalGrowth factor receptor 2Logistic regression analysisDesign of trialsFactor receptor 2Cross Cancer InstituteElectronic medical recordsInstitutional review boardMetastatic diseaseMetastatic sitesPrevention trialsPrognostic featuresClinical nomogramMedical records
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 subtypesLost in translation—prognostic signatures for breast cancer
Pusztai L. Lost in translation—prognostic signatures for breast cancer. Nature Reviews Clinical Oncology 2008, 5: 363-363. PMID: 18583992, DOI: 10.1038/ncponc1177.Peer-Reviewed Original Research
2007
Expression patterns and predictive value of phosphorylated AKT in early-stage breast cancer
Andre F, Nahta R, Conforti R, Boulet T, Aziz M, Yuan LX, Meslin F, Spielmann M, Tomasic G, Pusztai L, Hortobagyi GN, Michiels S, Delaloge S, Esteva FJ. Expression patterns and predictive value of phosphorylated AKT in early-stage breast cancer. Annals Of Oncology 2007, 19: 315-320. PMID: 17804473, DOI: 10.1093/annonc/mdm429.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedBiomarkers, TumorBreast NeoplasmsChi-Square DistributionCohort StudiesCombined Modality TherapyDisease-Free SurvivalErbB ReceptorsFemaleFollow-Up StudiesGene Expression Regulation, NeoplasticHumansImmunohistochemistryMiddle AgedNeoplasm StagingPredictive Value of TestsProbabilityProportional Hazards ModelsProto-Oncogene Proteins c-aktRandomized Controlled Trials as TopicReceptor, ErbB-2Risk AssessmentSurvival AnalysisTime FactorsTreatment OutcomeConceptsEarly breast cancerBreast cancerPredictive valuePhosphorylated AktAdjuvant chemotherapyPAkt expressionAnthracycline-based adjuvant chemotherapyEarly-stage breast cancerEpidermal growth factor receptor expressionGrowth factor receptor expressionAkt phosphorylationBreast cancer tissuesFactor receptor expressionGrowth factor receptorHER2 tumorsRandomized trialsAssessable tumorsHER2 expressionReceptor expressionPositive stainingCancer tissuesEGFR expressionHER2Tumor resistancePatientsNew Generation of Molecular Prognostic and Predictive Tests for Breast Cancer
Pusztai L, Cristofanilli M, Paik S. New Generation of Molecular Prognostic and Predictive Tests for Breast Cancer. Seminars In Oncology 2007, 34: s10-s16. PMID: 17512431, DOI: 10.1053/j.seminoncol.2007.03.015.Peer-Reviewed Original ResearchConceptsBreast cancerBreast cancer careDifferent clinical coursesAvailable diagnostic assaysTrial-based approachClinical coursePrognostic predictorCancer carePrognostic informationSimilar tumorsMolecular PrognosticHeterogeneous diseaseTumor cellsCancerPredictive testDiagnostic assaysNovel diagnosticsMolecular analytical techniquesMolecular differencesImportant advancesMolecular analysisPatientsDiagnostic companiesTumorsDisease
2005
Impact of concurrent proliferative high‐risk lesions on the risk of ipsilateral breast carcinoma recurrence and contralateral breast carcinoma development in patients with ductal carcinoma in situ treated with breast‐conserving therapy
Adepoju LJ, Symmans WF, Babiera GV, Singletary SE, Arun B, Sneige N, Pusztai L, Buchholz TA, Sahin A, Hunt KK, Meric‐Bernstam F, Ross MI, Ames FC, Kuerer HM. Impact of concurrent proliferative high‐risk lesions on the risk of ipsilateral breast carcinoma recurrence and contralateral breast carcinoma development in patients with ductal carcinoma in situ treated with breast‐conserving therapy. Cancer 2005, 106: 42-50. PMID: 16333852, DOI: 10.1002/cncr.21571.Peer-Reviewed Original ResearchConceptsAtypical ductal hyperplasiaAtypical lobular hyperplasiaBreast-conserving treatmentBreast carcinoma recurrenceBreast carcinoma developmentCarcinoma recurrenceDuctal carcinomaCarcinoma developmentActuarial local recurrence rateBreast-conserving therapyLocal recurrence rateCases of DCISCBC developmentHigh-risk lesionsLobular hyperplasiaConcurrent diagnosisDuctal hyperplasiaInitial pathologyLobular carcinomaRecurrence rateChemoprevention strategiesCumulative rateDCISPatientsProliferative lesions
2004
Pharmacoproteomic analysis of prechemotherapy and postchemotherapy plasma samples from patients receiving neoadjuvant or adjuvant chemotherapy for breast carcinoma
Pusztai L, Gregory BW, Baggerly KA, Peng B, Koomen J, Kuerer HM, Esteva FJ, Symmans WF, Wagner P, Hortobagyi GN, Laronga C, Semmes OJ, Wright GL, Drake RR, Vlahou A. Pharmacoproteomic analysis of prechemotherapy and postchemotherapy plasma samples from patients receiving neoadjuvant or adjuvant chemotherapy for breast carcinoma. Cancer 2004, 100: 1814-1822. PMID: 15112261, DOI: 10.1002/cncr.20203.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBiopsy, NeedleBreast NeoplasmsCase-Control StudiesChemotherapy, AdjuvantCyclophosphamideDoxorubicinDrug Administration ScheduleFemaleFluorouracilHumansMastectomyMiddle AgedNeoadjuvant TherapyNeoplasm StagingPaclitaxelPostoperative CarePreoperative CareProteomicsRisk AssessmentSensitivity and SpecificitySurvival AnalysisTreatment OutcomeConceptsBreast carcinomaHealthy womenPreoperative chemotherapyFinal tumor responseSubset of patientsDay 3 posttreatmentAdjuvant chemotherapyPostoperative chemotherapyCyclophosphamide chemotherapyFAC chemotherapyMicrometastatic diseasePaclitaxel chemotherapyNormal womenTumor responsePlasma profilesHealthy volunteersChemotherapyPatientsStage ICarcinomaDay 0Single courseWomenPlasma samplesCandidate markersPrognostic significance of phosphorylated P38 mitogen‐activated protein kinase and HER‐2 expression in lymph node‐positive breast carcinoma
Esteva FJ, Sahin AA, Smith TL, Yang Y, Pusztai L, Nahta R, Buchholz TA, Buzdar AU, Hortobagyi GN, Bacus SS. Prognostic significance of phosphorylated P38 mitogen‐activated protein kinase and HER‐2 expression in lymph node‐positive breast carcinoma. Cancer 2004, 100: 499-506. PMID: 14745865, DOI: 10.1002/cncr.11940.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBiopsy, NeedleBreast NeoplasmsCombined Modality TherapyFemaleGene Expression Regulation, NeoplasticHumansImmunohistochemistryLymph NodesMastectomyMiddle AgedMitogen-Activated Protein KinasesNeoplasm StagingP38 Mitogen-Activated Protein KinasesProbabilityPrognosisProportional Hazards ModelsReceptor, ErbB-2Risk AssessmentSensitivity and SpecificitySurvival AnalysisTreatment OutcomeConceptsLymph node positive breast carcinomaNode-positive breast carcinomaProgression-free survivalP-p38 MAPKShorter progression-free survivalHER-2 expressionP-p38 MAPK expressionBreast carcinomaAdjuvant chemotherapyMAPK expressionKi-67Phosphorylated p38 MAPK expressionInitial cancer surgeryPrimary breast carcinomaInvasive breast carcinomaP38 MAPK expressionP38 mitogen-activated protein kinase phosphorylationPhosphorylated p38 mitogen-activated protein kinaseMitogen-activated protein kinase phosphorylationBreast carcinoma cellsAdjuvant fluorouracilMedian followCyclophosphamide chemotherapyCancer surgeryPoor outcome
2003
The HER-2/neu Gene and Protein in Breast Cancer 2003: Biomarker and Target of Therapy
Ross JS, Fletcher JA, Linette GP, Stec J, Clark E, Ayers M, Symmans WF, Pusztai L, Bloom KJ. The HER-2/neu Gene and Protein in Breast Cancer 2003: Biomarker and Target of Therapy. The Oncologist 2003, 8: 307-325. PMID: 12897328, DOI: 10.1634/theoncologist.8-4-307.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge DistributionAgedAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedBiomarkers, TumorBreast NeoplasmsBreast Neoplasms, MaleCombined Modality TherapyEducation, Medical, ContinuingFemaleGene Expression Regulation, NeoplasticGenes, erbB-2Genetic Predisposition to DiseaseHumansIncidenceMaleMiddle AgedNeoplasm StagingPrognosisRisk AssessmentSensitivity and SpecificitySurvival AnalysisTrastuzumabTreatment OutcomeConceptsBreast cancerHER-2/neu statusHER-2/neu oncogeneNeu geneNew hormonal therapiesSerum-based testingMale breast cancerHER-2/neu geneTarget of therapyNeu gene amplificationEpidermal growth factor receptorTransmembrane tyrosine kinase receptorPrediction of responseGrowth factor receptorHormonal therapyTyrosine kinase receptorsTrastuzumab therapyDuctal carcinomaNeu overexpressionHER-2Disease outcomeTumor cytosolsTherapy responseNeu statusNeu testing