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 ResearchConceptsEvent-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 diseaseHRD signature and HRD genomic landscape of tumors from 896 patients with early-stage breast cancer (BC).
Jeon J, Chen K, Madison R, Schrock A, Sokol E, Levy M, Oxnard G, Huang R, Pusztai L. HRD signature and HRD genomic landscape of tumors from 896 patients with early-stage breast cancer (BC). Journal Of Clinical Oncology 2023, 41: 539-539. DOI: 10.1200/jco.2023.41.16_suppl.539.Peer-Reviewed Original ResearchEarly-stage breast cancerPrimary breast cancerEarly breast cancerBreast cancerStage IHR-/HER2HRR deficiencyPALB2 mutationsEarly-stage primary breast cancerPARP inhibitorsStage IV diseaseHormone receptor statusMonths of diagnosisPositive breast cancerHomologous recombination repairComprehensive genomic profilingHRD signaturesClinical trial dataHigh rateSEER studySomatic BRCAAdjuvant therapyAdvanced diseaseReceptor statusBC subtypesBiomarkers predicting response to 5 immunotherapy arms in the neoadjuvant I-SPY2 trial for early-stage breast cancer (BC): Evaluation of immune subtyping in the response predictive subtypes (RPS).
Wolf D, Yau C, Campbell M, Glas A, Mittempergher L, Kuilman M, Barcaru A, Brown Swigart L, Nanda R, Chien A, Pusztai L, Stringer-Reasor E, Shatsky R, Isaacs C, Perlmutter J, DeMichele A, Yee D, Esserman L, van 't Veer L. Biomarkers predicting response to 5 immunotherapy arms in the neoadjuvant I-SPY2 trial for early-stage breast cancer (BC): Evaluation of immune subtyping in the response predictive subtypes (RPS). Journal Of Clinical Oncology 2023, 41: 102-102. DOI: 10.1200/jco.2023.41.16_suppl.102.Peer-Reviewed Original ResearchPCR rateBreast cancerImmune markersSerious immune-related adverse eventsImmune-related adverse eventsHER2-negative breast cancerEarly-stage breast cancerI-SPY2 trialLower mast cellTumor immune signatureChemokines/cytokinesSingle-sample classifierImmune subtypingImmunotherapy armI-SPY2Therapy armAdverse eventsReceptor statusControl armDrug classesMast cellsLogistic regressionBenjamini-Hochberg methodHR subsetTumor cells
2022
Treatment patterns and medical costs of metastatic breast cancer care in the United States.
Chehayeb R, Hood A, Mougalian S, Lustberg M, Wang S, Greenup R, Pusztai L, Kunst N. Treatment patterns and medical costs of metastatic breast cancer care in the United States. Journal Of Clinical Oncology 2022, 40: e18834-e18834. DOI: 10.1200/jco.2022.40.16_suppl.e18834.Peer-Reviewed Original ResearchMetastatic breast cancerTreatment patternsTreatment costsDiagnosis of MBCSocietal perspectiveHormone receptor statusBreast cancer careDays of diagnosisDe-identified databaseAverage wholesale priceElectronic health recordsMBC patientsMBC diagnosisReceptor statusCancer careInvasive cancerTriple NegativeClinical trialsReceptor subtypesPatient levelBreast cancerHuman epidermal growth factorPayer perspectiveDrug costsEpidermal growth factor
2021
Alpha-smooth muscle actin expression in the stroma predicts resistance to trastuzumab in patients with early-stage HER2-positive breast cancer
Vathiotis IA, Moutafi MK, Divakar P, Aung TN, Qing T, Fernandez A, Yaghoobi V, El-Abed S, Wang Y, Guillaume S, Nuciforo P, Huober J, Di Cosimo S, Kim SB, Harbeck N, Gomez H, Shafi S, Syrigos KN, Fountzilas G, Sotiriou C, Pusztai L, Warren S, Rimm DL. Alpha-smooth muscle actin expression in the stroma predicts resistance to trastuzumab in patients with early-stage HER2-positive breast cancer. Clinical Cancer Research 2021, 27: 6156-6163. PMID: 34465600, PMCID: PMC8595766, DOI: 10.1158/1078-0432.ccr-21-2103.Peer-Reviewed Original ResearchConceptsDisease-free survivalHER2-positive breast cancerShorter disease-free survivalBreast cancerQuantitative immunofluorescenceEarly-stage HER2-positive breast cancerAlpha-smooth muscle actin expressionAlpha-smooth muscle actinProgesterone receptor statusHigh α-SMA expressionDigital Spatial ProfilerΑ-SMA expressionPromising candidate biomarkerCompanion diagnostic testsMuscle actin expressionDigital spatial profilingCohort validationNeoadjuvant lapatinibAdjuvant trastuzumabReceptor statusClinical trialsUnivariate analysisEstrogen receptorMAIN OUTCOMEΑ-SMA
2020
Association of T- and B-cell receptor repertoires with molecular subtypes and outcome in HER2+ breast cancer: An analysis of the NeoALTTO clinical trial.
Rediti M, Venet D, Rothe F, Qing T, Maetens M, Bradbury I, Izquierdo M, Di Cosimo S, Hilbers F, Bajji M, Harbeck N, Untch M, Liu M, Saura C, Huober J, Nuciforo P, Salgado R, Loi S, Pusztai L, Sotiriou C. Association of T- and B-cell receptor repertoires with molecular subtypes and outcome in HER2+ breast cancer: An analysis of the NeoALTTO clinical trial. Journal Of Clinical Oncology 2020, 38: 511-511. DOI: 10.1200/jco.2020.38.15_suppl.511.Peer-Reviewed Original ResearchPathological complete responseBreast cancerPAM50 subtypesB cell receptorImmune responseBiomarker-driven treatment strategiesTumor-infiltrating lymphocyte levelsBaseline tumor biopsiesEvent-free survivalPhase III trialsAnti-HER2 treatmentGrade 3 tumorsEstrogen receptor statusImproved clinical outcomesProportional hazards modelIII trialsLymphocyte levelsComplete responseReceptor statusClinical outcomesClinicopathological characteristicsBC subtypesClinical trialsTreatment strategiesTumor biopsiesEarly Modulation of Circulating MicroRNAs Levels in HER2-Positive Breast Cancer Patients Treated with Trastuzumab-Based Neoadjuvant Therapy
Di Cosimo S, Appierto V, Pizzamiglio S, Silvestri M, Baselga J, Piccart M, Huober J, Izquierdo M, de la Pena L, Hilbers FS, de Azambuja E, Untch M, Pusztai L, Pritchard K, Nuciforo P, Vincent-Salomon A, Symmans F, Apolone G, de Braud FG, Iorio MV, Verderio P, Daidone MG. Early Modulation of Circulating MicroRNAs Levels in HER2-Positive Breast Cancer Patients Treated with Trastuzumab-Based Neoadjuvant Therapy. International Journal Of Molecular Sciences 2020, 21: 1386. PMID: 32085669, PMCID: PMC7073028, DOI: 10.3390/ijms21041386.Peer-Reviewed Original ResearchConceptsPathological complete responseNeoadjuvant therapyHER2-positive breast cancer patientsTrastuzumab-based neoadjuvant therapyAvailable predictive biomarkersBreast cancer patientsEstrogen receptor statusComplete responseReceptor statusCancer patientsPredictive biomarkersTreatment responseHCC progressionPatientsPredictive valueBivariate analysisMean differencePlasma pairsTherapyEarly modulationMicroRNA levelsTrastuzumabMAPK signalingMetabolism regulationKEGG analysis
2017
Bone metastasis-related signaling pathways in breast cancers stratified by estrogen receptor status
Hayashi N, Iwamoto T, Qi Y, Niikura N, Santarpia L, Yamauchi H, Nakamura S, Hortobagyi GN, Pusztai L, Symmans WF, Ueno NT. Bone metastasis-related signaling pathways in breast cancers stratified by estrogen receptor status. Journal Of Cancer 2017, 8: 1045-1052. PMID: 28529618, PMCID: PMC5436258, DOI: 10.7150/jca.13690.Peer-Reviewed Original ResearchER-negative breast cancerEstrogen receptor statusBone metastasesER statusBreast cancerReceptor statusHuman epidermal growth factor receptor 2Breast cancer bone metastasisEpidermal growth factor receptor 2Cox proportional hazards modelNon-bone metastasisGrowth factor receptor 2Cancer bone metastasisProportional hazards modelBreast cancer specimensInvasive breast cancer specimensFactor receptor 2Negative cohortCancer specimensHazards modelReceptor 2BCBMMetastasisCancerCohort
2016
A prospective comparison of ER, PR, Ki67 and gene expression in paired sequential core biopsies of primary, untreated breast cancer
Hadad SM, Jordan LB, Roy PG, Purdie CA, Iwamoto T, Pusztai L, Moulder-Thompson SL, Thompson AM. A prospective comparison of ER, PR, Ki67 and gene expression in paired sequential core biopsies of primary, untreated breast cancer. BMC Cancer 2016, 16: 745. PMID: 27658825, PMCID: PMC5034430, DOI: 10.1186/s12885-016-2788-x.Peer-Reviewed Original ResearchIngenuity Pathway AnalysisBreast cancerCore biopsyDrug therapyOperable breast cancerSequential core biopsiesUntreated breast cancerHormone receptor statusPrimary breast cancerPathway analysisPR immunohistochemistryUntreated patientsReceptor statusPrimary cancerNon-treatment controlBiomarker statusProspective comparisonBiomarker changesDrug interventionKi67 scoreBiopsyBiomarker effectsDrug efficacyKi67MRNA expression
2015
Clinical nomogram to predict bone-only metastasis in patients with early breast carcinoma
Delpech Y, Bashour SI, Lousquy R, Rouzier R, Hess K, Coutant C, Barranger E, Esteva FJ, Ueno NT, Pusztai L, Ibrahim NK. Clinical nomogram to predict bone-only metastasis in patients with early breast carcinoma. British Journal Of Cancer 2015, 113: 1003-1009. PMID: 26393887, PMCID: PMC4651124, DOI: 10.1038/bjc.2015.308.Peer-Reviewed Original ResearchConceptsNon-metastatic breast cancerBreast cancerClinical nomogramCox proportional hazards regression modelProportional hazards regression modelsBone-targeted therapiesHormone receptor statusEarly breast cancerLymph node statusLymphovascular space invasionEarly breast carcinomaAnalysis of patientsHazards regression modelsPathologic variablesReceptor statusDistant metastasisTumor characteristicsNode statusSpace invasionT classificationPatient populationMedical recordsBreast carcinomaCommon siteConcordance index
2012
172O ER + /HER2+ and ER-/Her2+ Breast Cancers are Molecularly Distinct but Immune Gene Signatures are Prognostic and Predictive in Both Groups
Iwamoto T, Pusztai L, Matsuoka J, Callari M, Kelly C, Qi Y, Motoki T, Taira N, Santarpia L, Doihara H, Gianni L, Bianchini G. 172O ER + /HER2+ and ER-/Her2+ Breast Cancers are Molecularly Distinct but Immune Gene Signatures are Prognostic and Predictive in Both Groups. Annals Of Oncology 2012, 23: ix74-ix75. DOI: 10.1016/s0923-7534(20)32783-6.Peer-Reviewed Original ResearchPathologic complete responseER statusResidual diseaseER-/HER2HER2 cancersBetter prognosisBreast cancerHER2-positive breast cancerImmune gene signaturesSystemic adjuvant therapyPositive breast cancerEstrogen receptor statusHigher chemotherapy sensitivityDistinct molecular subtypesNeoadjuvant taxaneAdjuvant therapyImmune signaturesComplete responseReceptor statusHER2 patientsPoor prognosisMolecular subtypesChemotherapy sensitivityPredictive valueHER2Survival outcomes in HER2-positive invasive lobular breast carcinoma.
Barcenas C, Hess K, Delpech Y, Pusztai L, Hortobagyi G, Giordano S, Esteva F. Survival outcomes in HER2-positive invasive lobular breast carcinoma. Journal Of Clinical Oncology 2012, 30: 612-612. DOI: 10.1200/jco.2012.30.15_suppl.612.Peer-Reviewed Original ResearchInvasive lobular breast carcinomaDisease-free survivalER/PRInvasive ductal carcinomaLobular breast carcinomaSurvival outcomesOverall survivalBreast carcinomaCox proportional hazards regressionMD Anderson Cancer CenterProgesterone receptor statusRare clinical entityBreast cancer patientsProportional hazards regressionNumber of patientsAnderson Cancer CenterMedian followBetter OSMedian ageReceptor statusClinical entityDuctal carcinomaHazards regressionCancer CenterLobular carcinoma
2011
Systemic Adjuvant Therapy for Stage I Breast Cancer
Pusztai L, Kelly C. Systemic Adjuvant Therapy for Stage I Breast Cancer. 2011, 269-281. DOI: 10.1007/978-94-007-0489-3_11.Peer-Reviewed Original ResearchStage I breast cancerI breast cancerMultivariable prediction modelBreast cancerAdjuvant therapyHuman epidermal growth factor 2 (HER2) receptor statusER-positive breast cancerSystemic adjuvant therapyCo-morbid illnessLymph node statusNottingham Prognostic IndexBetter risk stratificationIndependent prognostic factorBreast cancer biologyBreast cancer subtypesClinical factorsLymphovascular invasionPrognostic factorsReceptor statusRisk stratificationNode statusPrognostic indexPrognostic valueTumor sizeHistological grade
2010
Estrogen and HER-2 Receptor Discordance Between Primary Breast Cancer and Metastasis
Pusztai L, Viale G, Kelly CM, Hudis CA. Estrogen and HER-2 Receptor Discordance Between Primary Breast Cancer and Metastasis. The Oncologist 2010, 15: 1164-1168. PMID: 21041379, PMCID: PMC3227913, DOI: 10.1634/theoncologist.2010-0059.Peer-Reviewed Original ResearchConceptsReceptors resultsBreast cancerHuman epidermal growth factor receptor 2 receptor statusRepeat tumor biopsiesRoutine repeat biopsyPrimary breast cancerReceptor-positive cancersReceptor-negative cancersEndocrine therapyFalse-negative resultsReceptor discordanceMetastatic diseaseReceptor statusRepeat biopsyClinical courseRecurrent cancerClinical groundsPrimary tumorTumor nestsEstrogen receptorTumor biopsiesHormone responsivenessReceptor assayCancerDiscordant resultsStability 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 conversionTumorsPatientsMetastasisTherapy
2009
Prognostic impact of discordance between triple-receptor measurements in primary and recurrent breast cancer
Liedtke C, Broglio K, Moulder S, Hsu L, Kau S, Symmans WF, Albarracin C, Meric-Bernstam F, Woodward W, Theriault RL, Kiesel L, Hortobagyi GN, Pusztai L, Gonzalez-Angulo AM. Prognostic impact of discordance between triple-receptor measurements in primary and recurrent breast cancer. Annals Of Oncology 2009, 20: 1953-1958. PMID: 19596702, PMCID: PMC2791352, DOI: 10.1093/annonc/mdp263.Peer-Reviewed Original ResearchConceptsTriple receptor-negative breast cancerRecurrent breast cancerPost-recurrence survivalProgesterone receptorRecurrent tumorsBreast cancerEstrogen receptorDiscordant casesBetter post-recurrence survivalReceptor-positive breast cancerReceptor-negative breast cancerDiscordant receptor statusHormone receptor measurementsPrognostic impactReceptor statusUnfavorable survivalPathological parametersHER2 statusPoor survivalReceptor measurementsIHC scorePatientsClinical phenotypeSuboptimal reproducibilityCancer
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 rate
2007
Measurement of Residual Breast Cancer Burden to Predict Survival After Neoadjuvant Chemotherapy
Symmans WF, Peintinger F, Hatzis C, Rajan R, Kuerer H, Valero V, Assad L, Poniecka A, Hennessy B, Green M, Buzdar AU, Singletary SE, Hortobagyi GN, Pusztai L. Measurement of Residual Breast Cancer Burden to Predict Survival After Neoadjuvant Chemotherapy. Journal Of Clinical Oncology 2007, 25: 4414-4422. PMID: 17785706, DOI: 10.1200/jco.2007.10.6823.Peer-Reviewed Original ResearchConceptsDistant relapse-free survivalResidual cancer burdenHormone receptor statusNeoadjuvant chemotherapyHormone therapyPathologic responseReceptor statusCancer burdenResidual diseasePathologic American Joint CommitteeMultivariate Cox regression analysisAdjuvant hormone therapyBreast cancer burdenDifferent treatment cohortsPretreatment clinical stageAmerican Joint CommitteeCox regression analysisRelapse-free survivalSequential paclitaxelDistant relapseSame prognosisComplete responseNodal metastasisTreatment cohortsClinical stageThe impact of hormone receptor status on pathologic response of HER2-positive breast cancer treated with neoadjuvant chemotherapy with or without trastuzumab
Peintinger F, Buzdar A, Kuerer H, Gonzalez-Angulo A, Hatzis C, Pusztai L, Esteva F, Green M, Hortobagyi G, Symmans W. The impact of hormone receptor status on pathologic response of HER2-positive breast cancer treated with neoadjuvant chemotherapy with or without trastuzumab. Journal Of Clinical Oncology 2007, 25: 533-533. DOI: 10.1200/jco.2007.25.18_suppl.533.Peer-Reviewed Original ResearchHER2-positive breast cancerResidual cancer burdenHR-negative patientsAddition of trastuzumabHormone receptor statusPathologic complete responseNeoadjuvant chemotherapyBreast cancerPathologic responseReceptor statusResidual diseaseHER2-positive diseaseHR-positive patientsPathologic response rateSimilar pCR ratesHER2-positive patientsStandard neoadjuvant chemotherapyConcurrent trastuzumabRCB-IIRCB-IIIFAC chemotherapyPathologic reviewPCR rateComplete responseLymph nodesStandardizing Slide-Based Assays in Breast Cancer: Hormone Receptors, HER2, and Sentinel Lymph Nodes
Ross JS, Symmans WF, Pusztai L, Hortobagyi GN. Standardizing Slide-Based Assays in Breast Cancer: Hormone Receptors, HER2, and Sentinel Lymph Nodes. Clinical Cancer Research 2007, 13: 2831-2835. PMID: 17504980, DOI: 10.1158/1078-0432.ccr-06-2522.Peer-Reviewed Original ResearchConceptsReceptor statusClinical practiceHormone receptor statusProgesterone receptor statusBreast cancer careBreast cancer patientsSentinel lymph nodesDaily clinical practiceCurrent clinical practiceSignificant unmet needFalse-positive result ratesLymph nodesCancer careCancer patientsHER2 statusBreast cancerEstrogen receptorImmunohistochemistry techniquesUnmet needResult rateHormone receptorsPreanalytic conditionsNovel diagnosticsCareReceptors