2024
Identification of HER2-positive breast cancer molecular subtypes with potential clinical implications in the ALTTO clinical trial
Rediti M, Venet D, Joaquin Garcia A, Maetens M, Vincent D, Majjaj S, El-Abed S, Di Cosimo S, Ueno T, Izquierdo M, Piccart M, Pusztai L, Loi S, Salgado R, Viale G, Rothé F, Sotiriou C. Identification of HER2-positive breast cancer molecular subtypes with potential clinical implications in the ALTTO clinical trial. Nature Communications 2024, 15: 10402. PMID: 39613746, PMCID: PMC11607438, DOI: 10.1038/s41467-024-54621-3.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Agents, ImmunologicalBiomarkers, TumorBreast NeoplasmsClinical Trials, Phase III as TopicFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMiddle AgedNeoplasm Recurrence, LocalPrognosisRandomized Controlled Trials as TopicReceptor, ErbB-2TrastuzumabTumor MicroenvironmentConceptsHER2-positive breast cancerMolecular subtypesBreast cancerRate of pathological complete responseSensitive to HER2-targeted therapiesClinical trialsRisk of distant recurrenceBreast cancer molecular subtypesPathological complete responseHER2-targeted therapyCancer molecular subtypesPotential clinical implicationsNeoALTTO trialDistant recurrenceComplete responseAdjuvant trastuzumabPrognostic/predictive valueHeterogeneous biologySurvival outcomesI-SPY2Clinical outcomesMicroenvironment featuresGene expression profilesExternal cohortTumor
2023
Immunological and clinicopathological features predict HER2-positive breast cancer prognosis in the neoadjuvant NeoALTTO and CALGB 40601 randomized trials
Rediti M, Fernandez-Martinez A, Venet D, Rothé F, Hoadley K, Parker J, Singh B, Campbell J, Ballman K, Hillman D, Winer E, El-Abed S, Piccart M, Di Cosimo S, Symmans W, Krop I, Salgado R, Loi S, Pusztai L, Perou C, Carey L, Sotiriou C. Immunological and clinicopathological features predict HER2-positive breast cancer prognosis in the neoadjuvant NeoALTTO and CALGB 40601 randomized trials. Nature Communications 2023, 14: 7053. PMID: 37923752, PMCID: PMC10624889, DOI: 10.1038/s41467-023-42635-2.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsFemaleHormonesHumansNeoadjuvant TherapyRandomized Controlled Trials as TopicReceptor, ErbB-2TrastuzumabTreatment OutcomeTumor MicroenvironmentConceptsEvent-free survivalHER2-positive breast cancerPathological complete responseCALGB 40601Breast cancerBreast pathological complete responseStromal tumor-infiltrating lymphocytesHormone receptor statusPhase III trialsClinical nodal statusIndependent prognostic factorTumor-infiltrating lymphocytesIdentification of patientsBreast cancer prognosisT cell receptorNeoadjuvant paclitaxelNeoadjuvant therapyIII trialsNodal statusComplete responsePrognostic factorsPrognostic scoreReceptor statusClinicopathological featuresResidual disease
2020
Overall Survival of CDK4/6-Inhibitor–Based Treatments in Clinically Relevant Subgroups of Metastatic Breast Cancer: Systematic Review and Meta-Analysis
Schettini F, Giudici F, Giuliano M, Cristofanilli M, Arpino G, Del Mastro L, Puglisi F, De Placido S, Paris I, De Placido P, Venturini S, De Laurentis M, Conte P, Juric D, Llombart-Cussac A, Pusztai L, Prat A, Jerusalem G, Di Leo A, Generali D. Overall Survival of CDK4/6-Inhibitor–Based Treatments in Clinically Relevant Subgroups of Metastatic Breast Cancer: Systematic Review and Meta-Analysis. Journal Of The National Cancer Institute 2020, 112: 1089-1097. PMID: 32407488, PMCID: PMC7669227, DOI: 10.1093/jnci/djaa071.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsClinical Trials, Phase II as TopicClinical Trials, Phase III as TopicCyclin-Dependent Kinase 4Cyclin-Dependent Kinase 6FemaleHumansLetrozoleNeoplasm MetastasisPiperazinesProtein Kinase InhibitorsPyridinesRandomized Controlled Trials as TopicConceptsSecond-line therapyMetastatic breast cancerEndocrine therapyCDK4/6 inhibitorsVisceral involvementBreast cancerPostmenopausal metastatic breast cancerAvailable phase IIChemotherapy-naïve patientsClear OS benefitSpecific clinical subgroupsProgression-free survivalOverall survival dataBreast cancer prognosisStudy-level factorsCyclin-dependent kinase 4Random-effects modelSystematic literature searchEndocrine monotherapyOS benefitOS independentOverall survivalUpfront therapyMenopausal statusMetastatic sites
2018
Comparison of Residual Risk–Based Eligibility vs Tumor Size and Nodal Status for Power Estimates in Adjuvant Trials of Breast Cancer Therapies
Wei W, Kurita T, Hess KR, Sanft T, Szekely B, Hatzis C, Pusztai L. Comparison of Residual Risk–Based Eligibility vs Tumor Size and Nodal Status for Power Estimates in Adjuvant Trials of Breast Cancer Therapies. JAMA Oncology 2018, 4: e175092-e175092. PMID: 29372234, PMCID: PMC5885272, DOI: 10.1001/jamaoncol.2017.5092.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantEligibility DeterminationFemaleHumansLymph NodesLymphatic MetastasisMiddle AgedNeoplasm Recurrence, LocalNeoplasm, ResidualPatient SelectionPrognosisRandomized Controlled Trials as TopicReproducibility of ResultsResearch DesignRetrospective StudiesRisk FactorsSurvival AnalysisTrastuzumabTumor BurdenWatchful WaitingYoung AdultConceptsTumor sizeAdjuvant trialsEligibility criteriaNodal statusClinical trialsResidual riskEarly-stage breast cancerAdjuvant clinical trialsBaseline prognostic riskFuture adjuvant trialsResidual risk estimatesRisk of recurrenceBreast cancer therapyRisk thresholdTrial powerClinical trial powerTrial eligibilityAdjuvant therapyCare therapyConsecutive patientsPrognostic riskPatient eligibilityTrial populationPatient cohortControl arm
2015
A network meta-analysis of everolimus plus exemestane versus chemotherapy in the first- and second-line treatment of estrogen receptor-positive metastatic breast cancer
Generali D, Venturini S, Rognoni C, Ciani O, Pusztai L, Loi S, Jerusalem G, Bottini A, Tarricone R. A network meta-analysis of everolimus plus exemestane versus chemotherapy in the first- and second-line treatment of estrogen receptor-positive metastatic breast cancer. Breast Cancer Research And Treatment 2015, 152: 95-117. PMID: 26044370, DOI: 10.1007/s10549-015-3453-9.Peer-Reviewed Original ResearchConceptsProgression-free survivalMetastatic breast cancerHazard ratioMegestrol acetateResponse rateBreast cancerEstrogen receptor-positive metastatic breast cancerPFS/TTPSecond-line therapySecond-line treatmentToxicity of chemotherapyOverall response rateBetter response rateCapecitabineStandard pairwiseTamoxifenSunitinibChemotherapyTTP differenceMultiple treatmentsNMAIndividual studiesEverolimusExemestaneCancer
2012
Estrogen 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 ResearchMeSH KeywordsBreast NeoplasmsEstrogen Receptor alphaFemaleGene ExpressionGene Expression ProfilingHumansImmunohistochemistryRandomized Controlled Trials as TopicRNA, MessengerConceptsER-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
2010
Estrogen Receptor Expression and Docetaxel Efficacy in Patients with Metastatic Breast Cancer: A Pooled Analysis of Four Randomized Trials
Andre F, Broglio K, Pusztai L, Berrada N, Mackey JR, Nabholtz JM, Chan S, Hortobagyi GN. Estrogen Receptor Expression and Docetaxel Efficacy in Patients with Metastatic Breast Cancer: A Pooled Analysis of Four Randomized Trials. The Oncologist 2010, 15: 476-483. PMID: 20421265, PMCID: PMC3227977, DOI: 10.1634/theoncologist.2009-0150.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic AgentsBreast NeoplasmsDisease-Free SurvivalDocetaxelEstrogen Receptor alphaFemaleHumansMiddle AgedNeoplasm MetastasisRandomized Controlled Trials as TopicTaxoidsConceptsMetastatic breast cancerEfficacy of docetaxelBreast cancerHigh response rateER expressionResponse rateEstrogen receptorHazard ratioRandomized trialsDisease progressionProgression-free survival timeCox proportional hazards modelDocetaxel-based regimenEstrogen receptor expressionProportional hazards modelEffect of docetaxelER- diseasePFS timeDocetaxel efficacyPooled analysisTumor responseReceptor expressionSurvival timeLower riskHazards model
2009
Evaluation of Microtubule-Associated Protein-Tau Expression As a Prognostic and Predictive Marker in the NSABP-B 28 Randomized Clinical Trial
Pusztai L, Jeong JH, Gong Y, Ross JS, Kim C, Paik S, Rouzier R, Andre F, Hortobagyi GN, Wolmark N, Symmans WF. Evaluation of Microtubule-Associated Protein-Tau Expression As a Prognostic and Predictive Marker in the NSABP-B 28 Randomized Clinical Trial. Journal Of Clinical Oncology 2009, 27: 4287-4292. PMID: 19667268, PMCID: PMC2744271, DOI: 10.1200/jco.2008.21.6887.Peer-Reviewed Original ResearchMeSH KeywordsAnthracyclinesAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantCyclophosphamideDoxorubicinEstrogen Receptor alphaFemaleFollow-Up StudiesHumansImmunohistochemistryKaplan-Meier EstimateMaleMicrotubule-Associated ProteinsMiddle AgedMultivariate AnalysisPaclitaxelPredictive Value of TestsPrognosisProportional Hazards ModelsRandomized Controlled Trials as TopicReceptor, ErbB-2Tau ProteinsConceptsDisease-free survivalOverall survivalTau protein expressionTau expressionEndocrine therapyPaclitaxel chemotherapyClinical trialsHuman epidermal growth factor receptor 2 (HER2) expressionEpidermal growth factor receptor 2 expressionBetter disease-free survivalWorse disease-free survivalD. Anderson Cancer CenterPrimary breast cancer specimensCourses of doxorubicinHER2-positive statusHormone receptor positiveNational Surgical BreastAdjuvant endocrine therapyPercent of patientsProtein expressionGreater tumor sizeER-positive statusEstrogen receptor-positive statusLow histologic gradeAnderson Cancer Center
2008
Hormone receptor status and pathologic response of HER2-positive breast cancer treated with neoadjuvant chemotherapy and trastuzumab
Peintinger F, Buzdar AU, Kuerer HM, Mejia JA, Hatzis C, Gonzalez-Angulo AM, Pusztai L, Esteva FJ, Dawood SS, Green MC, Hortobagyi GN, Symmans WF. Hormone receptor status and pathologic response of HER2-positive breast cancer treated with neoadjuvant chemotherapy and trastuzumab. Annals Of Oncology 2008, 19: 2020-2025. PMID: 18667396, PMCID: PMC2733116, DOI: 10.1093/annonc/mdn427.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsClinical Trials as TopicCyclophosphamideDoxorubicinEpirubicinFemaleFluorouracilHumansMiddle AgedNeoadjuvant TherapyNeoplasm, ResidualNeoplasms, Hormone-DependentPaclitaxelRandomized Controlled Trials as TopicReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneTrastuzumabConceptsHER2-positive breast cancerHormone receptor statusPathologic complete responseResidual cancer burdenPathologic responseBreast cancerNeoadjuvant chemotherapyReceptor statusExtensive residual diseaseHR-negative cancerHR-positive cancersPathologic response rateAddition of trastuzumabNeo-adjuvant chemotherapyStandard neoadjuvant chemotherapyFEC chemotherapyHR-/HER2Pathologic reviewComplete responseLymph nodesCancer burdenResidual diseasePrimary tumorChemotherapyResponse rateEffect 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 ResearchMeSH KeywordsAntineoplastic Agents, HormonalBreast NeoplasmsChemotherapy, AdjuvantDisease-Free SurvivalFemaleHumansRandomized Controlled Trials as TopicReceptors, EstrogenResearch DesignRisk AssessmentConceptsDisease-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 subtypesEstrogen 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 variablesResidual specimen cellularity after neoadjuvant chemotherapy for breast cancer
Peintinger F, Kuerer HM, McGuire SE, Bassett R, Pusztai L, Symmans WF. Residual specimen cellularity after neoadjuvant chemotherapy for breast cancer. British Journal Of Surgery 2008, 95: 433-437. PMID: 18161887, DOI: 10.1002/bjs.6044.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, LobularChemotherapy, AdjuvantFemaleHumansMastectomyMiddle AgedNeoplasm, ResidualRandomized Controlled Trials as TopicConceptsResidual tumour cellularityNeoadjuvant chemotherapyBreast-conserving surgeryResidual cellularityBreast cancerTumor cellularityIntraoperative marginsInitial breast-conserving surgeryResidual invasive breast cancerInvasive breast cancerPrimary tumor areaInvasive lobular carcinomaFalse-negative marginsCent of specimensInvasive tumor cellsLobular carcinomaMargin rateChemotherapyPatientsPathology slidesCellularityTumor areaSurgeryTumor cellsCancer
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 resistancePatients
2006
Impact of Preoperative Versus Postoperative Chemotherapy on the Extent and Number of Surgical Procedures in Patients Treated in Randomized Clinical Trials for Breast Cancer
Boughey JC, Peintinger F, Meric-Bernstam F, Perry AC, Hunt KK, Babiera GV, Singletary SE, Bedrosian I, Lucci A, Buzdar AU, Pusztai L, Kuerer HM. Impact of Preoperative Versus Postoperative Chemotherapy on the Extent and Number of Surgical Procedures in Patients Treated in Randomized Clinical Trials for Breast Cancer. Annals Of Surgery 2006, 124: 130-136. PMID: 16926572, PMCID: PMC1856540, DOI: 10.1097/01.sla.0000234897.38950.5c.Peer-Reviewed Original ResearchConceptsBreast-conserving therapyRe-excision ratesExtent of surgeryPreoperative chemotherapyInitial tumor sizeRandomized clinical trialsBreast operationsBreast cancerSurgical proceduresBCT patientsPostoperative chemotherapyBreast tissueTumor sizeClinical trialsRates of BCTProspective randomized clinical trialsFinal surgical procedureLarge breast tumorsConsecutive patientsExtensive resectionChemotherapyPatientsVolume of tissueBreast tumorsT1-T3
2005
Epidermal growth factor receptor expression correlates with poor survival in patients who have breast carcinoma treated with doxorubicin‐based neoadjuvant chemotherapy
Buchholz TA, Tu X, Ang KK, Esteva FJ, Kuerer HM, Pusztai L, Cristofanilli M, Singletary SE, Hortobagyi GN, Sahin AA. Epidermal growth factor receptor expression correlates with poor survival in patients who have breast carcinoma treated with doxorubicin‐based neoadjuvant chemotherapy. Cancer 2005, 104: 676-681. PMID: 15981280, DOI: 10.1002/cncr.21217.Peer-Reviewed Original ResearchMeSH KeywordsAntibiotics, AntineoplasticAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsClinical Trials, Phase II as TopicClinical Trials, Phase III as TopicCyclophosphamideDisease-Free SurvivalDoxorubicinErbB ReceptorsFemaleFluorouracilHumansImmunohistochemistryNeoadjuvant TherapyPrognosisRandomized Controlled Trials as TopicSurvival AnalysisConceptsEpidermal growth factor receptorBreast carcinomaEGFR expressionAnthracycline chemotherapyLymph nodesEpidermal growth factor receptor expression correlatesSurvival ratePathologic complete response ratePretreatment tumor tissue samplesDisease-free survival ratesCox regression analysis modelComplete response rateEGFR-negative tumorsEGFR-positive diseasePositive lymph nodesAdvanced breast carcinomaMore lymph nodesOutcomes of patientsOverall survival rateProgesterone receptor statusEGFR-positive tumorsTumor tissue samplesKnowledge of outcomesGrowth factor receptorCyclophosphamide chemotherapy
1998
Physiologic and Pathologic Drug Resistance in Ovarian Carcinoma: A Hypothesis Based on a Clonal Progression Model
Pusztai L, Siddik Z, Mills G, Bast R. Physiologic and Pathologic Drug Resistance in Ovarian Carcinoma: A Hypothesis Based on a Clonal Progression Model. Acta Oncologica 1998, 37: 629-640. PMID: 10050979, DOI: 10.1080/028418698429964.Peer-Reviewed Original ResearchMeSH KeywordsApoptosisDNA DamageDose-Response Relationship, DrugDrug Resistance, NeoplasmFemaleHumansNeoplasm Recurrence, LocalOvarian NeoplasmsRandomized Controlled Trials as TopicTreatment FailureConceptsEarly-stage ovarian cancerDrug-resistant cellsDrug resistanceDrug sensitivityOvarian cancerTumor progressionDisease-free survivalHigh-dose chemotherapyNumerous clinical studiesDifferent treatment strategiesCell populationsHigh response rateCorresponding normal tissuesInsufficient chemotherapyAdjuvant chemotherapyIntensive chemotherapyAdvanced diseaseClinical responseCombination chemotherapyConventional dosesMolecular biological observationsOvarian carcinomaPhysiological drug resistanceClinical failureClinical studies