2022
PD-L1 protein expression in relation to recurrence score values in early-stage ER + breast cancer
Rozenblit M, Blenman K, Harigopal M, Reisenbichler E, Singh K, Qing T, Ibrahim E, Ramkissoon S, Asmelash S, Lin HK, Roberts M, Ross J, Huang RSP, Pusztai L. PD-L1 protein expression in relation to recurrence score values in early-stage ER + breast cancer. Breast Cancer Research And Treatment 2022, 196: 221-227. PMID: 36028784, DOI: 10.1007/s10549-022-06712-2.Peer-Reviewed Original ResearchConceptsPD-L1 positivityPD-L1 protein expressionPD-L1 expressionGrade 3 cancersPD-L1TIL scoreTumor gradeMultivariate analysisHigher PD-L1 positivityTumor-infiltrating lymphocyte countsConclusionPD-L1 expressionProtein expressionPD-L1 immunohistochemistryChi-square testResultsPD-L1T1 cancersLymphocyte countT3 tumorsIndependent predictorsTumor sizeLarge tumorsPositivity rateCell positivityBreast cancerGrade 2
2019
On-treatment changes in tumor-infiltrating lymphocytes (TIL) during neoadjuvant HER2 therapy (NAT) and clinical outcome.
Luen S, Griguolo G, Nuciforo P, Campbell C, Fasani R, Cortes J, Untch M, Lin S, Savas P, Fox S, Di Cosimo S, Llombart Cussac A, de Azambuja E, Piccart-Gebhart M, Pusztai L, Sotiriou C, Salgado R, Prat A, Loi S. On-treatment changes in tumor-infiltrating lymphocytes (TIL) during neoadjuvant HER2 therapy (NAT) and clinical outcome. Journal Of Clinical Oncology 2019, 37: 574-574. DOI: 10.1200/jco.2019.37.15_suppl.574.Peer-Reviewed Original ResearchTumor-infiltrating lymphocytesBreast cancerPrognostic valuePoor patientsTissue-resident memory cellsEarly-stage HER2Resident memory cellsEarly breast cancerImmune cell subsetsFuture trial designPrediction of pCRHER2 therapyNeoALTTO trialImmune subsetsClinical outcomesClinicopathological variablesF patientsCell subsetsTrial designTreatment changesMultivariate analysisPatientsNeoALTTOHER2EFS
2015
Use of neoadjuvant chemotherapy for patients with stage I to III breast cancer in the United States
Mougalian SS, Soulos PR, Killelea BK, Lannin DR, Abu-Khalaf MM, DiGiovanna MP, Sanft TB, Pusztai L, Gross CP, Chagpar AB. Use of neoadjuvant chemotherapy for patients with stage I to III breast cancer in the United States. Cancer 2015, 121: 2544-2552. PMID: 25902916, DOI: 10.1002/cncr.29348.Peer-Reviewed Original ResearchConceptsNeoadjuvant chemotherapyNAC useBreast cancerStage INational Cancer Data BaseStage III breast cancerStage IIIC cancerStage II diseaseStage III diseaseAdvanced breast cancerStandard of careLow-stage cancersLogistic regression analysisChi-square testIIIC cancersStage IIIAStage IIIBAdvanced cancerAfrican American individualsStage cancerPatterns of usePatientsAcademic centersClinical advantagesMultivariate analysis
2013
The prognostic impact of age in patients with triple-negative breast cancer
Liedtke C, Hess KR, Karn T, Rody A, Kiesel L, Hortobagyi GN, Pusztai L, Gonzalez-Angulo AM. The prognostic impact of age in patients with triple-negative breast cancer. Breast Cancer Research And Treatment 2013, 138: 591-599. PMID: 23460246, DOI: 10.1007/s10549-013-2461-x.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerOverall survivalPrognostic impactTumor gradeBreast cancerPrimary triple-negative breast cancerMultivariate analysisSignificant independent prognostic variablesAggressive systemic therapyIndependent prognostic variablesPatients 31Median DFSClinical characteristicsEffect of ageSystemic therapyYounger patientsNodal stageTumor sizePathological parametersPoor survivalPrognostic variablesPatientsAge groupsAgeCancer
2012
A 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
Homogeneous Datasets of Triple Negative Breast Cancers Enable the Identification of Novel Prognostic and Predictive Signatures
Karn T, Pusztai L, Holtrich U, Iwamoto T, Shiang CY, Schmidt M, Müller V, Solbach C, Gaetje R, Hanker L, Ahr A, Liedtke C, Ruckhäberle E, Kaufmann M, Rody A. Homogeneous Datasets of Triple Negative Breast Cancers Enable the Identification of Novel Prognostic and Predictive Signatures. PLOS ONE 2011, 6: e28403. PMID: 22220191, PMCID: PMC3248403, DOI: 10.1371/journal.pone.0028403.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsCohort StudiesDatabases, GeneticFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticGenes, NeoplasmHumansKaplan-Meier EstimateNeoadjuvant TherapyPredictive Value of TestsPrognosisReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneReproducibility of ResultsConceptsPrognostic signatureValidation cohortBreast cancerPredictive valueTriple-negative breast cancerEvent-free survivalTriple-negative cancersHigh-risk groupIndependent validation cohortNegative breast cancerModest predictive valuePrognostic gene signaturePrognostic gene setsTNBC cohortNeoadjuvant chemotherapyPrognostic predictorPoor prognosisRisk groupsMultivariate analysisPredictive signatureNovel prognosticGene signatureSmall sample sizeCohortCancerPD03-02: 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 analysisDistinct p53 Gene Signatures Are Needed to Predict Prognosis and Response to Chemotherapy in ER-Positive and ER-Negative Breast Cancers
Coutant C, Rouzier R, Qi Y, Lehmann-Che J, Bianchini G, Iwamoto T, Hortobagyi GN, Symmans WF, Uzan S, Andre F, de Thé H, Pusztai L. Distinct p53 Gene Signatures Are Needed to Predict Prognosis and Response to Chemotherapy in ER-Positive and ER-Negative Breast Cancers. Clinical Cancer Research 2011, 17: 2591-2601. PMID: 21248301, DOI: 10.1158/1078-0432.ccr-10-1045.Peer-Reviewed Original ResearchConceptsER- cancersPredictive valueBreast cancerP53 signatureWorse distant metastasis-free survivalDistant metastasis-free survivalER-negative breast cancerAdjuvant tamoxifen therapyDifferent molecular subsetsMetastasis-free survivalDifferent prognostic valueNegative breast cancerHigher chemotherapy sensitivityTamoxifen therapyFree survivalBetter prognosisER-positivePoor prognosisPrognostic valuePrognostic markerMolecular subsetsChemotherapy sensitivityMutation statusP53 mutationsMultivariate analysisA clinically relevant gene signature in triple negative and basal-like breast cancer
Rody A, Karn T, Liedtke C, Pusztai L, Ruckhaeberle E, Hanker L, Gaetje R, Solbach C, Ahr A, Metzler D, Schmidt M, Müller V, Holtrich U, Kaufmann M. A clinically relevant gene signature in triple negative and basal-like breast cancer. Breast Cancer Research 2011, 13: r97. PMID: 21978456, PMCID: PMC3262210, DOI: 10.1186/bcr3035.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerBasal-like triple-negative breast cancerBreast cancerPrognostic markerMolecular subtypesMultivariate analysisBasal-like molecular subtypeClaudin-low molecular subtypeBasal-like breast cancerAttractive novel therapeutic targetB cell presenceHigh expressionER-positive cancersHigh histological gradeHigher B cellsIL-8 pathwayIL-8 activityNegative breast cancerNew prognostic markerNovel therapeutic targetBiology-based therapiesNon-neoplastic cell populationsRelevant gene signaturesRoutine clinicopathological variablesResultsSeventy-three percent
2010
Molecular Anatomy of Breast Cancer Stroma and Its Prognostic Value in Estrogen Receptor–Positive and –Negative Cancers
Bianchini G, Qi Y, Alvarez RH, Iwamoto T, Coutant C, Ibrahim NK, Valero V, Cristofanilli M, Green MC, Radvanyi L, Hatzis C, Hortobagyi GN, Andre F, Gianni L, Symmans WF, Pusztai L. Molecular Anatomy of Breast Cancer Stroma and Its Prognostic Value in Estrogen Receptor–Positive and –Negative Cancers. Journal Of Clinical Oncology 2010, 28: 4316-4323. PMID: 20805453, DOI: 10.1200/jco.2009.27.2419.Peer-Reviewed Original ResearchMeSH KeywordsAmyloid beta-Protein PrecursorAntineoplastic Agents, HormonalBiopsy, Fine-NeedleB-LymphocytesBreast NeoplasmsChi-Square DistributionCollagen Type IVExtracellular Matrix ProteinsFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMetagenomeNeoplasm Recurrence, LocalPhospholipid Transfer ProteinsPrognosisProportional Hazards ModelsProspective StudiesProtease NexinsProtein Serine-Threonine KinasesReceptor, Transforming Growth Factor-beta Type IIReceptors, Cell SurfaceReceptors, EstrogenReceptors, Transforming Growth Factor betaSurvival AnalysisTamoxifenConceptsER-negative cancersBreast cancer stromaER-positive cancersPrognostic valueCancer stromaNegative cancersProliferative cancersSystemic adjuvant therapyTamoxifen-treated patientsNode-negative patientsEstrogen-receptor positiveStrong prognostic valueCore needle biopsySubset of tumorsLess prognostic valueDistant relapseAdjuvant therapyHazard ratioFavorable prognosisHighest tertilePrognostic scoreCore biopsyBreast cancerImmune functionMultivariate analysisPredictors of Tumor Progression During Neoadjuvant Chemotherapy in Breast Cancer
Caudle AS, Gonzalez-Angulo AM, Hunt KK, Liu P, Pusztai L, Symmans WF, Kuerer HM, Mittendorf EA, Hortobagyi GN, Meric-Bernstam F. Predictors of Tumor Progression During Neoadjuvant Chemotherapy in Breast Cancer. Journal Of Clinical Oncology 2010, 28: 1821-1828. PMID: 20231683, PMCID: PMC2860366, DOI: 10.1200/jco.2009.25.3286.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAnthracyclinesAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsBridged-Ring CompoundsCarcinoma, Ductal, BreastCarcinoma, LobularChemotherapy, AdjuvantDisease ProgressionFemaleHumansMiddle AgedNeoadjuvant TherapyReceptors, EstrogenReceptors, ProgesteroneSurvival RateTaxoidsTreatment OutcomeYoung AdultConceptsHigh Ki-67 scoreNeoadjuvant chemotherapyKi-67 scoreStable diseaseBreast cancerEstrogen receptorMultivariate analysisDistant disease-free survivalER/PR negativityFirst-line surgical approachTumor progressionMost breast cancer patientsDisease-free survivalStandard neoadjuvant chemotherapyCancer clinical stageAmerican Joint CommitteeBreast cancer patientsAfrican American raceAdvanced tumor stagePredictors of responseHigh nuclear gradeHigh tumor gradeNegative estrogen receptorNovel molecular predictorsPR negativityCyclophosphamide Dose Intensification May Circumvent Anthracycline Resistance of p53 Mutant Breast Cancers
Lehmann‐Che J, André F, Desmedt C, Mazouni C, Giacchetti S, Turpin E, Espié M, Plassa L, Marty M, Bertheau P, Sotiriou C, Piccart M, Symmans WF, Pusztai L, de Thé H. Cyclophosphamide Dose Intensification May Circumvent Anthracycline Resistance of p53 Mutant Breast Cancers. The Oncologist 2010, 15: 246-252. PMID: 20228131, PMCID: PMC3227956, DOI: 10.1634/theoncologist.2009-0243.Peer-Reviewed Original ResearchConceptsPathologic complete responseBreast cancer patientsCancer patientsDose intensificationDose intensityP53 statusAnthracycline resistanceHigh-dose cyclophosphamide administrationP53-mutant breast cancersAnthracycline-based regimensTriple-negative tumorsPretreatment tumor samplesMutant breast cancerChemotherapy regimensComplete responseER expressionCyclophosphamide administrationER- tumorsTumor responsePooled resultsBreast cancerYeast functional assayPatientsPredictive valueMultivariate analysis
2007
HER2 expression and efficacy of preoperative paclitaxel/FAC chemotherapy in breast cancer
Andre F, Mazouni C, Liedtke C, Kau SW, Frye D, Green M, Gonzalez-Angulo AM, Symmans WF, Hortobagyi GN, Pusztai L. HER2 expression and efficacy of preoperative paclitaxel/FAC chemotherapy in breast cancer. Breast Cancer Research And Treatment 2007, 108: 183-190. PMID: 17468948, DOI: 10.1007/s10549-007-9594-8.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, NeoplasmAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCyclophosphamideDisease-Free SurvivalDNA Topoisomerases, Type IIDNA-Binding ProteinsDoxorubicinDrug Administration ScheduleFemaleFluorouracilGene AmplificationGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMiddle AgedNeoadjuvant TherapyNeoplasm StagingOligonucleotide Array Sequence AnalysisPaclitaxelPatient SelectionPoly-ADP-Ribose Binding ProteinsReceptor, ErbB-2Receptors, EstrogenRetrospective StudiesRNA, MessengerTau ProteinsTime FactorsTreatment OutcomeConceptsPathologic complete responseHER2 overexpressionBreast cancerFAC chemotherapyPCR rateER statusHER2 expressionRelapse-free survival rateHER2-overexpressing breast cancerMicrotubule associated protein tauER-positive cancersEstrogen receptor statusPreoperative chemotherapyComplete responseHER2 tumorsMethodsRetrospective analysisReceptor statusPatientsSurvival rateMultivariate analysisWeekly scheduleMAP-tauProtein tauCancerChemotherapy
2005
Microtubule-associated protein tau: A marker of paclitaxel sensitivity in breast cancer
Rouzier R, Rajan R, Wagner P, Hess KR, Gold DL, Stec J, Ayers M, Ross JS, Zhang P, Buchholz TA, Kuerer H, Green M, Arun B, Hortobagyi GN, Symmans WF, Pusztai L. Microtubule-associated protein tau: A marker of paclitaxel sensitivity in breast cancer. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 8315-8320. PMID: 15914550, PMCID: PMC1149405, DOI: 10.1073/pnas.0408974102.Peer-Reviewed Original ResearchConceptsPathologic complete responseBreast cancerBreast cancer cellsLow tau expressionPaclitaxel-containing chemotherapyCancer cellsLower mRNA expressionRegulation of tauPaclitaxel therapyComplete responseIndependent predictorsNuclear gradePaclitaxel sensitivityTau expressionTherapeutic strategiesStage IMultivariate analysisProtein tauTau proteinMRNA expressionTissue arraysDiagnostic testsPaclitaxelCancerChemotherapy