2023
Variable Landscape of PD-L1 Expression in Breast Carcinoma as Detected by the DAKO 22C3 Immunohistochemistry Assay
Danziger N, Sokol E, Graf R, Hiemenz M, Maule J, Parimi V, Palmieri C, Pusztai L, Ross J, Huang R. Variable Landscape of PD-L1 Expression in Breast Carcinoma as Detected by the DAKO 22C3 Immunohistochemistry Assay. The Oncologist 2023, 28: 319-326. PMID: 36866462, PMCID: PMC10078903, DOI: 10.1093/oncolo/oyad025.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerPD-L1 expressionNegative triple negative breast cancerTNBC tissue samplesPD-L1 positivityPD-L1Dako 22C3Breast cancerDeath ligand 1 (PD-L1) immunohistochemistry (IHC) assaysPD-L1 groupNon-TNBC patientsTissue samplesComprehensive genomic profilingBreast cancer subtypesFoundationOne CDxImmunotherapy efficacyMetastatic sitesTNBC casesBC patientsBreast carcinomaPositive statusImmunohistochemistry assaysOptimum cutoffCancer subtypesGenomic profiling
2022
CECR2 drives breast cancer metastasis by promoting NF-κB signaling and macrophage-mediated immune suppression
Zhang M, Liu ZZ, Aoshima K, Cai WL, Sun H, Xu T, Zhang Y, An Y, Chen JF, Chan LH, Aoshima A, Lang SM, Tang Z, Che X, Li Y, Rutter SJ, Bossuyt V, Chen X, Morrow JS, Pusztai L, Rimm DL, Yin M, Yan Q. CECR2 drives breast cancer metastasis by promoting NF-κB signaling and macrophage-mediated immune suppression. Science Translational Medicine 2022, 14: eabf5473. PMID: 35108062, PMCID: PMC9003667, DOI: 10.1126/scitranslmed.abf5473.Peer-Reviewed Original ResearchConceptsBreast cancer metastasisReticuloendotheliosis viral oncogene homolog ACancer metastasisImmune suppressionM2 macrophagesWorse metastasis-free survivalMetastatic breast cancerMetastasis-free survivalV-rel avian reticuloendotheliosis viral oncogene homolog ACancer-related deathPrimary breast tumorsMultiple mouse modelsNF-κB signalingImmunocompetent settingNuclear factor-κB family membersMetastasis-promoting genesDistant metastasisMetastatic sitesPrimary tumorEffective therapyBreast cancerMetastasis treatmentMouse modelBreast tumorsMetastasis
2021
Comparison of programmed death-ligand 1 protein expression between primary and metastatic lesions in patients with lung cancer
Moutafi MK, Tao W, Huang R, Haberberger J, Alexander B, Ramkissoon S, Ross JS, Syrigos K, Wei W, Pusztai L, Rimm DL, Vathiotis IA. Comparison of programmed death-ligand 1 protein expression between primary and metastatic lesions in patients with lung cancer. Journal For ImmunoTherapy Of Cancer 2021, 9: e002230. PMID: 33833050, PMCID: PMC8039214, DOI: 10.1136/jitc-2020-002230.Peer-Reviewed Original ResearchConceptsPD-L1 expressionMetastatic lesionsLung cancer casesLung cancerCancer casesAdvanced stage non-small cell lung cancerNon-small cell lung cancerNon-squamous histologyCell lung cancerFuture patient managementDefinite diagnostic testSquamous histologyFoundation MedicineLymph nodesRoutine careHistologic subtypeMetastatic sitesPrimary lesionRetrospective studyAdrenal glandPrimary tumorPleural fluidPatient managementTrial designDrug Administration
2020
Comparison of PD-L1 protein expression between primary tumors and metastatic lesions in triple negative breast cancers
Rozenblit M, Huang R, Danziger N, Hegde P, Alexander B, Ramkissoon S, Blenman K, Ross JS, Rimm DL, Pusztai L. Comparison of PD-L1 protein expression between primary tumors and metastatic lesions in triple negative breast cancers. Journal For ImmunoTherapy Of Cancer 2020, 8: e001558. PMID: 33239417, PMCID: PMC7689582, DOI: 10.1136/jitc-2020-001558.Peer-Reviewed Original ResearchConceptsPD-L1 positivity ratePD-L1 positivityPD-L1 expressionDifferent metastatic sitesPrimary tumorMetastatic sitesPositivity rateImmune cellsMetastatic lesionsTumor cellsPD-L1 protein expressionTriple-negative breast cancerMore primary tumorsTriple negative breast cancer tumorsPrimary breast lesionsPrimary outcome measureSoft tissueNegative breast cancerLow positivity rateBreast cancer tumorsBone metastasesFoundation MedicineLymph nodesPD-L1Spearman correlation coefficientOverall 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
2013
Breast cancer evaluation and targeted investigational therapy (BEAT-IT): A pilot prospective tissue testing to guide clinical trial selection.
Pusztai L, Mattair D, Ueno N, Valero V, Moulder S, Murray J, Alvarez R, Chavez-Mac Gregor M, Santiago L, Avritscher R, Sahin A, Hortobagyi G, Symmans W, Meric-Bernstam F, Burton E, Gonzalez-Angulo A. Breast cancer evaluation and targeted investigational therapy (BEAT-IT): A pilot prospective tissue testing to guide clinical trial selection. Journal Of Clinical Oncology 2013, 31: 532-532. DOI: 10.1200/jco.2013.31.15_suppl.532.Peer-Reviewed Original ResearchFine-needle aspirationCore needle biopsyClinical trial selectionClinical trialsTrial selectionMolecular abnormalitiesTherapeutic clinical trialsSpecific molecular abnormalitiesBreast cancer biopsiesBreast cancer evaluationElectronic medical recordsMutation analysisMechanism of actionCare therapyInvestigational therapiesOrgan dysfunctionPathological confirmationER visitsLymph nodesInvestigational agentsMetastatic sitesMedical recordsEML4-ALKNeedle biopsyNeedle aspiration
2011
P4-16-02: Problems with Identifying Bone Metastasis-Specific Genes without Considering Biological Differences between ER-Positive and ER-Negative Breast Cancers.
Hayashi N, Iwamoto T, Qi Y, Niikura N, Santarpia L, Nakamura S, Hortobagyi G, Pusztai L, Symmans F, Ueno N. P4-16-02: Problems with Identifying Bone Metastasis-Specific Genes without Considering Biological Differences between ER-Positive and ER-Negative Breast Cancers. Cancer Research 2011, 71: p4-16-02-p4-16-02. DOI: 10.1158/0008-5472.sabcs11-p4-16-02.Peer-Reviewed Original ResearchER-negative breast cancerER-positive breast cancerMetastasis-specific genesBone metastasesER statusBreast cancerPrimary invasive breast cancer patientsInvasive breast cancer patientsCox proportional hazards modelER-negative breast cancer cell linesNon-bone metastasisFirst metastatic siteBreast cancer patientsProportional hazards modelBreast cancer cell linesSignificant differencesBiological differencesCancer cell linesMetastatic sitesER-positiveCancer patientsDifferent biological potentialsHazards modelPatientsMetastasis
2010
Stability of estrogen receptor status in breast carcinoma
Gong Y, Han EY, Guo M, Pusztai L, Sneige N. Stability of estrogen receptor status in breast carcinoma. Cancer 2010, 117: 705-713. PMID: 20939012, DOI: 10.1002/cncr.25506.Peer-Reviewed Original ResearchConceptsER statusBreast carcinomaEndocrine therapyMetastatic sitesPrimary tumorMetastatic tumorsMetastatic breast carcinomaEstrogen receptor statusER discordanceDisease courseReceptor statusSystemic therapyClinical courseER expressionER testingClinical managementNegative conversionER assaysDiscordant casesCarcinomaPositive conversionTumorsPatientsMetastasisTherapyNomogram 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
2009
A specific nomogram to predict subsequent brain metastasis in metastatic triple-negative breast cancer patients
Pusztai L, Rouzier R, Pusztai L, Ibrahim N. A specific nomogram to predict subsequent brain metastasis in metastatic triple-negative breast cancer patients. Journal Of Clinical Oncology 2009, 27: 1028-1028. DOI: 10.1200/jco.2009.27.15_suppl.1028.Peer-Reviewed Original ResearchSubsequent brain metastasesBrain metastasesBreast cancer patientsTN tumorsSpecific nomogramCancer patientsBreast cancerMetastatic triple-negative breast cancer patientsTriple-negative breast cancer patientsD. Anderson Cancer CenterTN breast cancerMetastatic breast cancerAnderson Cancer CenterBM occurrenceMetastatic diseaseMetastatic nodesMetastatic BCInitial diagnosisMetastatic sitesNegative tumorsCancer CenterPreventive treatmentRetrospective analysisFatal eventsHistological characteristics
1999
Relapse after complete response to anthracycline‐based combination chemotherapy in metastatic breast cancer
Pusztai L, Asmar L, Smith T, Hortobagyi G. Relapse after complete response to anthracycline‐based combination chemotherapy in metastatic breast cancer. Breast Cancer Research And Treatment 1999, 55: 1-8. PMID: 10472774, DOI: 10.1023/a:1006161906667.Peer-Reviewed Original ResearchConceptsAnthracycline-based combination chemotherapyComplete clinical responseDisease-free intervalMetastatic breast cancerInitial disease-free intervalSecond relapseFirst relapseCombination chemotherapyCR durationMedian survivalBreast cancerShorter CR durationSite of recurrenceLength of survivalMore frequent recurrenceClinical characteristicsClinical responseFirst recurrenceMetastatic diseaseVisceral sitesComplete responseClinical featuresMetastatic sitesSubsequent therapySecond recurrence