2015
PD-L1 Expression Correlates with Tumor-Infiltrating Lymphocytes and Response to Neoadjuvant Chemotherapy in Breast Cancer
Wimberly H, Brown JR, Schalper K, Haack H, Silver MR, Nixon C, Bossuyt V, Pusztai L, Lannin DR, Rimm DL. PD-L1 Expression Correlates with Tumor-Infiltrating Lymphocytes and Response to Neoadjuvant Chemotherapy in Breast Cancer. Cancer Immunology Research 2015, 3: 326-332. PMID: 25527356, PMCID: PMC4390454, DOI: 10.1158/2326-6066.cir-14-0133.Peer-Reviewed Original ResearchConceptsTumor-infiltrating lymphocytesPD-L1 expressionPathologic complete responseNeoadjuvant chemotherapyPD-L1Breast cancerDeath 1 ligand 1PD-L1 protein expressionYale-New Haven HospitalHigh PD-L1Antitumor immune activitySubset of patientsTriple-negative patientsBreast cancer patientsTriple-negative statusImmune checkpoint proteinsImmune regulatory moleculesNew Haven HospitalSignificant multivariate modelRabbit monoclonal antibodyTILs correlateComplete responseImmune therapyCancer patientsImmune activityGenomic predictor of residual risk of recurrence after adjuvant chemotherapy and endocrine therapy in high risk estrogen receptor-positive breast cancers
Khan SS, Karn T, Symmans WF, Rody A, Müller V, Holtrich U, Becker S, Pusztai L, Hatzis C. Genomic predictor of residual risk of recurrence after adjuvant chemotherapy and endocrine therapy in high risk estrogen receptor-positive breast cancers. Breast Cancer Research And Treatment 2015, 149: 789-797. PMID: 25651779, DOI: 10.1007/s10549-015-3277-7.Peer-Reviewed Original ResearchConceptsRecurrence-free survivalAdjuvant chemotherapyEndocrine therapyHigh riskOncotype DXBreast cancerEstrogen receptor-positive breast cancerReceptor-positive breast cancerRisk categoriesEarly-stage estrogen receptorEndocrine therapy sensitivityGood prognosis patientsER-positive patientsHigh-risk patientsPoor prognosis groupPositive breast cancerLow-risk groupAdjuvant endocrineMultimodality therapyPrognosis patientsRisk patientsEndocrine sensitivityIndependent predictorsPrognosis groupT stage
2014
Statistical measures of transcriptional diversity capture genomic heterogeneity of cancer
Jiang T, Shi W, Natowicz R, Ononye SN, Wali VB, Kluger Y, Pusztai L, Hatzis C. Statistical measures of transcriptional diversity capture genomic heterogeneity of cancer. BMC Genomics 2014, 15: 876. PMID: 25294321, PMCID: PMC4197225, DOI: 10.1186/1471-2164-15-876.Peer-Reviewed Original Research
2013
DNA Repair Gene Patterns as Prognostic and Predictive Factors in Molecular Breast Cancer Subtypes
Santarpia L, Iwamoto T, Di Leo A, Hayashi N, Bottai G, Stampfer M, André F, Turner NC, Symmans WF, Hortobágyi GN, Pusztai L, Bianchini G. DNA Repair Gene Patterns as Prognostic and Predictive Factors in Molecular Breast Cancer Subtypes. The Oncologist 2013, 18: 1063-1073. PMID: 24072219, PMCID: PMC3805146, DOI: 10.1634/theoncologist.2013-0163.Peer-Reviewed Original ResearchConceptsResidual invasive cancerHER2-negative tumorsInvasive cancerER-positive/HER2-negative tumorsPredictive valueUntreated breast cancer patientsAffymetrix gene expression profilesHER2-negative subgroupMolecular breast cancer subtypesTaxane/anthracyclinePathological complete responseER-positive tumorsAnthracycline-treated patientsHER2-positive tumorsBreast cancer patientsER-negative tumorsBreast cancer subtypesAnthracycline regimensComplete responseBetter prognosisClinical outcomesBC patientsPoor prognosisPredictive factorsPrognostic valueBiomarker Analysis of Neoadjuvant Doxorubicin/Cyclophosphamide Followed by Ixabepilone or Paclitaxel in Early-Stage Breast Cancer
Horak CE, Pusztai L, Xing G, Trifan OC, Saura C, Tseng LM, Chan S, Welcher R, Liu D. Biomarker Analysis of Neoadjuvant Doxorubicin/Cyclophosphamide Followed by Ixabepilone or Paclitaxel in Early-Stage Breast Cancer. Clinical Cancer Research 2013, 19: 1587-1595. PMID: 23340299, DOI: 10.1158/1078-0432.ccr-12-1359.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsATP Binding Cassette Transporter, Subfamily BATP Binding Cassette Transporter, Subfamily B, Member 1Biomarkers, TumorBreast NeoplasmsCyclophosphamideDoxorubicinEpothilonesFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMicrofilament ProteinsMicrotubule-Associated ProteinsNeoadjuvant TherapyNeoplasm ProteinsNuclear ProteinsPaclitaxelPrognosisTubulinConceptsMDR1 protein expressionNeoadjuvant doxorubicin/cyclophosphamideEarly-stage breast cancerDoxorubicin/cyclophosphamidePositive patientsProtein expressionTreatment armsBreast cancerPathologic complete response rateEfficacy of ixabepiloneInvasive breast adenocarcinomaComplete response ratePhase II trialCore needle biopsyRates of pCRΒIII-tubulin proteinNeoadjuvant settingII trialNegative patientsGene expressionPrimary cancerPredictive biomarkersPredictive markerRisk ratioNeedle biopsy
2008
Prediction of the outcome of preoperative chemotherapy in breast cancer using DNA probes that provide information on both complete and incomplete responses
Natowicz R, Incitti R, Horta EG, Charles B, Guinot P, Yan K, Coutant C, Andre F, Pusztai L, Rouzier R. Prediction of the outcome of preoperative chemotherapy in breast cancer using DNA probes that provide information on both complete and incomplete responses. BMC Bioinformatics 2008, 9: 149. PMID: 18366635, PMCID: PMC2292140, DOI: 10.1186/1471-2105-9-149.Peer-Reviewed Original Research
2005
Breast Cancer Biomarkers
Ross JS, Symmans WF, Pusztai L, Hortobagyi GN. Breast Cancer Biomarkers. Advances In Clinical Chemistry 2005, 40: 99-125. PMID: 16355921, DOI: 10.1016/s0065-2423(05)40003-7.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsFemaleGene Expression ProfilingHumansNeoplasm ProteinsPrognosisProteomicsTreatment Outcome
2004
Her2/neu-positive disease does not increase risk of locoregional recurrence for patients treated with neoadjuvant doxorubicin-based chemotherapy, mastectomy, and radiotherapy
Buchholz TA, Huang EH, Berry D, Pusztai L, Strom EA, McNeese MD, Perkins GH, Schechter NR, Kuerer HM, Buzdar AU, Valero V, Hunt KK, Hortobagyi GN, Sahin AA. Her2/neu-positive disease does not increase risk of locoregional recurrence for patients treated with neoadjuvant doxorubicin-based chemotherapy, mastectomy, and radiotherapy. International Journal Of Radiation Oncology • Biology • Physics 2004, 59: 1337-1342. PMID: 15275718, DOI: 10.1016/j.ijrobp.2004.02.018.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntibiotics, AntineoplasticBreast NeoplasmsChemotherapy, AdjuvantClinical Trials as TopicConfidence IntervalsDoxorubicinDrug Resistance, NeoplasmFemaleHumansLymphatic MetastasisMastectomy, RadicalNeoadjuvant TherapyNeoplasm ProteinsNeoplasm Recurrence, LocalRadiation ToleranceReceptor, ErbB-2Receptors, EstrogenRegression AnalysisRetrospective StudiesConceptsHER2/neu-positive diseaseHER2/neu-positive tumorsLocoregional recurrenceHER2/neuNeoadjuvant doxorubicinHER2/neu-negative diseaseHER2/neu-negative tumorsEstrogen receptor-negative diseaseHER2/neu positivityHER2/neu overexpressionChest wall boostNeu-negative tumorsOverall LRR ratePositive lymph nodesReceptor-negative diseaseCox regression analysisEstrogen receptor statusLRR rateSupraclavicular diseaseHazard ratioLymph nodesReceptor statusPostmastectomy radiotherapyPreclinical dataNeu overexpression
2001
Chemotherapy of Metastatic Breast Cancer: What to Expect in 2001 and Beyond
Esteva F, Valero V, Pusztai L, Boehnke-Michaud L, Buzdar A, Hortobagyi G. Chemotherapy of Metastatic Breast Cancer: What to Expect in 2001 and Beyond. The Oncologist 2001, 6: 133-146. PMID: 11306725, DOI: 10.1634/theoncologist.6-2-133.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, MonoclonalAntineoplastic AgentsBreast NeoplasmsFemaleHumansNeoplasm MetastasisNeoplasm ProteinsConceptsMetastatic breast cancerBreast cancerHER-2/neu proteinAnthracycline/taxane combinationsDevelopment of anthracyclineAdvanced breast cancerHigh-dose chemotherapyPrimary breast cancerSingle-agent activityCombination chemotherapy treatmentsNovel biologic therapiesNovel treatment approachesMultidrug resistance inhibitorsTopoisomerase I inhibitorTaxane therapyBiologic therapyPalliative therapyTaxane combinationsProlong survivalTumor supressor geneChemotherapy treatmentTreatment approachesFluoropyrimidine analogsPatientsNeu protein
1999
Relative cytotoxic activity of immunotoxins reactive with different epitopes on the extracellular domain of the c‐erbB‐2 (HER‐2/neu) gene product p185
Boyer C, Pusztai L, Wiener J, Xu F, Dean G, Bast B, O'Briant K, Greenwald M, DeSombre K, Bast R. Relative cytotoxic activity of immunotoxins reactive with different epitopes on the extracellular domain of the c‐erbB‐2 (HER‐2/neu) gene product p185. International Journal Of Cancer 1999, 82: 525-531. PMID: 10404066, DOI: 10.1002/(sici)1097-0215(19990812)82:4<525::aid-ijc10>3.0.co;2-j.Peer-Reviewed Original ResearchConceptsDifferent epitopesHER-2 receptorBreast cancer cell linesHER-2/neu geneRelative cytotoxic activityCytotoxic activityCancer cell linesEpitope targetsImmunotoxin therapyC-erbBImmunoglobulin isotypesUnconjugated antibodyEffective immunotoxinsExtracellular domainClonogenic assayImmunotoxinEpitope expressionNeu geneCompetitive binding assaysAntibodiesEpitopesAntibody bindingCell linesReceptorsBinding assays