2023
Dual Prognostic Classification of Triple-Negative Breast Cancer by DNA Damage Immune Response and Homologous Recombination Deficiency
Stecklein S, Barlow W, Pusztai L, Timms K, Kennedy R, Logan G, Seitz R, Badve S, Gökmen-Polar Y, Porter P, Linden H, Tripathy D, Hortobagyi G, Godwin A, Thompson A, Hayes D, Sharma P. Dual Prognostic Classification of Triple-Negative Breast Cancer by DNA Damage Immune Response and Homologous Recombination Deficiency. JCO Precision Oncology 2023, 7: e2300197. PMID: 37972336, PMCID: PMC10681491, DOI: 10.1200/po.23.00197.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerHomologous recombination deficiencyBreast cancerAdjuvant anthracycline-based chemotherapyTherapeutic vulnerabilitiesRecombination deficiencyDistinct therapeutic vulnerabilitiesAnthracycline-based chemotherapyImmune response signaturesDNA-damaging therapiesFavorable prognosisIntermediate prognosisWorse prognosisImmunologic microenvironmentImmune responseChemoresistant tumorsPrognostic classificationHeterogeneous diseasePrognosisHeterogeneous groupDistinct subgroupsTumorsCancerResponse signatureSimultaneous assessment
2022
139MO Identification of biologically-driven HER2-positive breast cancer subgroups associated with prognosis after adjuvant trastuzumab in the ALTTO trial
Rediti M, Venet D, Garcia A, Agbor-tarh D, Maetens M, Vincent D, Majjaj S, El-Abed S, Liu M, Di Cosimo S, Piccart M, Pusztai L, Loi S, Salgado R, Viale G, Rothé F, Sotiriou C. 139MO Identification of biologically-driven HER2-positive breast cancer subgroups associated with prognosis after adjuvant trastuzumab in the ALTTO trial. Annals Of Oncology 2022, 33: s602-s603. DOI: 10.1016/j.annonc.2022.07.174.Peer-Reviewed Original Research
2012
Adjuvant Therapy in Stage I Carcinoma of the Breast: The Influence of Multigene Analyses and Molecular Phenotyping
Schwartz GF, Bartelink H, Burstein HJ, Cady B, Cataliotti L, Fentiman IS, Holland R, Hughes KS, Masood S, McCormick B, Palazzo JA, Pressman PI, Reis‐Filho J, Pusztai L, Rutgers EJ, Seidman AD, Solin LJ, Sparano JA. Adjuvant Therapy in Stage I Carcinoma of the Breast: The Influence of Multigene Analyses and Molecular Phenotyping. The Breast Journal 2012, 18: 303-311. PMID: 22759093, DOI: 10.1111/j.1524-4741.2012.01264.x.Peer-Reviewed Original ResearchConceptsStage I carcinomaAdjuvant therapyBreast cancerGene prognostic signaturePatient ageTumor sizeImmunohistochemical markersIndividual patientsConsensus conferencePrognostic signatureSteroid hormonesMolecular profilingNottingham indexMolecular phenotypingPatientsCarcinomaTherapyCancerBreastPrognosisPart of decisionHormoneA dendritic metagene that predicts prognosis and endocrine resistance in breast cancer.
Giampaolo B, Pusztai L, Qi Y, Iwamoto T, Kelly C, Zambetti M, Symmans W, Gianni L. A dendritic metagene that predicts prognosis and endocrine resistance in breast cancer. Journal Of Clinical Oncology 2012, 30: 545-545. DOI: 10.1200/jco.2012.30.15_suppl.545.Peer-Reviewed Original ResearchHazard ratioEndocrine resistanceBreast cancerNeoadjuvant endocrine therapyProliferative breast cancersAdjuvant tamoxifenEndocrine therapyDistant relapseFree survivalUntreated patientsBetter prognosisDendritic cellsEarly relapseOncotype DXPoor prognosisClinical variablesPoor responseUntreated tumorsLower riskMetagene signaturePredictive valueMultivariate analysisTumorsRelapsePrognosis
2011
PD03-02: Prognostic and Predictive Predictors for Triple Negative Breast Cancer.
Karn T, Pusztai L, Ruckhäberle E, Liedtke C, Schmidt M, Müller V, Gätje R, Hanker L, Ahr A, Holtrich U, Rody A, Kaufmann M. PD03-02: Prognostic and Predictive Predictors for Triple Negative Breast Cancer. Cancer Research 2011, 71: pd03-02-pd03-02. DOI: 10.1158/0008-5472.sabcs11-pd03-02.Peer-Reviewed Original ResearchTriple-negative breast cancerNegative breast cancerPrognostic signatureBreast cancerResponse of TNBCER-positive cancersPrognostic gene signatureMolecular phenotypesTNBC cohortNeoadjuvant chemotherapyHazard ratioBetter prognosisPrognostic predictorTherapeutic optionsPoor prognosisIndependent cohortPredictive valuePrognostic gene expression profilesMultivariate analysisGene signatureCancer ResCohortCancerPrognosisROC analysis
2010
Gene Pathways Associated With Prognosis and Chemotherapy Sensitivity in Molecular Subtypes of Breast Cancer
Iwamoto T, Bianchini G, Booser D, Qi Y, Coutant C, Shiang CY, Santarpia L, Matsuoka J, Hortobagyi GN, Symmans WF, Holmes FA, O’Shaughnessy J, Hellerstedt B, Pippen J, Andre F, Simon R, Pusztai L. Gene Pathways Associated With Prognosis and Chemotherapy Sensitivity in Molecular Subtypes of Breast Cancer. Journal Of The National Cancer Institute 2010, 103: 264-272. PMID: 21191116, DOI: 10.1093/jnci/djq524.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantConfounding Factors, EpidemiologicCytochrome P-450 Enzyme InhibitorsCytochrome P-450 Enzyme SystemDatabases, GeneticDrug Resistance, NeoplasmFemaleGene Expression Regulation, NeoplasticGTP-Binding ProteinsHumansMiddle AgedNeoadjuvant TherapyNeoplasm StagingPredictive Value of TestsPrognosisReceptors, EstrogenSignal TransductionTreatment OutcomeConceptsER-negative breast cancerPathological complete responseER-positive cancersER-negative cancersBreast cancerChemotherapy responseComplete responseBetter prognosisChemotherapy sensitivityLymph node-negative breast cancerNode-negative breast cancerSystemic adjuvant therapyCell cycle-related gene setsBreast cancer subtypesIngenuity Pathway AnalysisAdjuvant therapyPreoperative chemotherapyPoor prognosisPooled analysisEstrogen receptorTreatment responseMolecular subtypesAdditional cohortPrognosisStage IPIK3CA mutations associated with gene signature of low mTORC1 signaling and better outcomes in estrogen receptor–positive breast cancer
Loi S, Haibe-Kains B, Majjaj S, Lallemand F, Durbecq V, Larsimont D, Gonzalez-Angulo AM, Pusztai L, Symmans WF, Bardelli A, Ellis P, Tutt AN, Gillett CE, Hennessy BT, Mills GB, Phillips WA, Piccart MJ, Speed TP, McArthur GA, Sotiriou C. PIK3CA mutations associated with gene signature of low mTORC1 signaling and better outcomes in estrogen receptor–positive breast cancer. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 10208-10213. PMID: 20479250, PMCID: PMC2890442, DOI: 10.1073/pnas.0907011107.Peer-Reviewed Original ResearchMeSH KeywordsAntibiotics, AntineoplasticAntineoplastic Agents, HormonalBase SequenceBreast NeoplasmsCell Line, TumorClass I Phosphatidylinositol 3-KinasesDNA PrimersFemaleGene Expression ProfilingHumansMechanistic Target of Rapamycin Complex 1Multiprotein ComplexesMutationNeoplasms, Hormone-DependentOligonucleotide Array Sequence AnalysisPhosphatidylinositol 3-KinasesPrognosisProteinsProto-Oncogene Proteins c-aktReceptor, ErbB-2Receptors, EstrogenSignal TransductionSirolimusTamoxifenTOR Serine-Threonine KinasesTranscription FactorsConceptsBreast cancerPIK3CA mutationsClinical outcomesEstrogen receptor-positive breast cancerReceptor-positive breast cancerGene signaturePIK3CA mutation statusPI3K/mTOR inhibitorBetter clinical outcomesPI3K/mTOR inhibitionHuman breast cancerBC cell linesPIK3CA mutant breast cancersCommon genetic aberrationsTamoxifen monotherapyBetter prognosisMTOR inhibitorsBetter outcomesMutation statusMTOR inhibitionPathway activationExperimental modelGenetic aberrationsPrognosisCell lines
2009
Different Biological Processes Are Associated with Prognosis and Chemotherapy Sensitivity in the Different Molecular Subtypes of Breast Cancer.
Iwamoto T, Iwamoto T, Bianchini G, Coutant C, Shiang C, Matsuoka J, Symmans W, Hortobagyi G, Simon R, Pusztai L. Different Biological Processes Are Associated with Prognosis and Chemotherapy Sensitivity in the Different Molecular Subtypes of Breast Cancer. Cancer Research 2009, 69: 6124-6124. DOI: 10.1158/0008-5472.sabcs-09-6124.Peer-Reviewed Original ResearchER- cancersDifferent molecular subtypesChemotherapy sensitivityChemotherapy responseBreast cancerMolecular subtypesMeta-AnalysisPrognostic pathwaysCohort of patientsPlasma cell functionT cell differentiationNeoadjuvant therapySeparate cohortImmune functionPrognosisGlycolipid metabolismPredictive gene setsBlood vessel formationDifferent subtypesCancerCancer ResOxidative stressCell functionSubtypesVessel formationTriple-negative breast cancer—current status and future directions
Gluz O, Liedtke C, Gottschalk N, Pusztai L, Nitz U, Harbeck N. Triple-negative breast cancer—current status and future directions. Annals Of Oncology 2009, 20: 1913-1927. PMID: 19901010, DOI: 10.1093/annonc/mdp492.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerBasal-like breast cancerBreast cancerBreast cancer—current statusStandard cytotoxic chemotherapy regimensHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Common cytotoxic agentsCytotoxic chemotherapy regimensGrowth factor receptor 2Factor receptor 2Chemotherapy regimensClinical featuresUnfavorable prognosisProgesterone receptorLack of expressionNovel agentsReceptor 2Cytotoxic agentsPrognosisComplete concordanceCancerGene expression analysisHigh-throughput gene expression analysisRegimens
2005
Gene expression profiling of primary breast cancer
Rouzier R, Wagner P, Morandi P, Pusztai L. Gene expression profiling of primary breast cancer. Current Oncology Reports 2005, 7: 38-44. PMID: 15610685, DOI: 10.1007/s11912-005-0024-y.Peer-Reviewed Original Research
2004
Technology Insight: emerging techniques to predict response to preoperative chemotherapy in breast cancer
Pusztai L, Gianni L. Technology Insight: emerging techniques to predict response to preoperative chemotherapy in breast cancer. Nature Reviews Clinical Oncology 2004, 1: 44-50. PMID: 16264799, DOI: 10.1038/ncponc0025.Peer-Reviewed Original ResearchConceptsBreast cancerOptimal chemotherapy regimenHistopathologic predictorsChemotherapy regimenChemotherapy regimensPreoperative chemotherapyPolymerase chain reactionPotential diagnostic toolMultiplex polymerase chain reactionClinical useGene expressionChain reactionDiagnostic toolCancerMeaningful responsesRegimenRegimensChemotherapyPatientsPrognosis