2023
Associations amongst genes, molecules, cells, and organs in breast cancer metastasis
Nathanson S, Dieterich L, Zhang X, Chitale D, Pusztai L, Reynaud E, Wu Y, Ríos-Hoyo A. Associations amongst genes, molecules, cells, and organs in breast cancer metastasis. Clinical & Experimental Metastasis 2023, 41: 417-437. PMID: 37688650, DOI: 10.1007/s10585-023-10230-w.Peer-Reviewed Original ResearchBreast cancer metastasisBreast cancerCancer metastasisOutcomes of patientsAnti-tumor immunityHope of cureAggressive therapyMultiple metastasesAggressive treatmentBone metastasesLymph nodesSystemic metastasesMorphologic subtypesClinical oncologistsMetastasisInternal visceraAssists cliniciansLymphatic endothelial cellsPatientsEndothelial cellsHealth SymposiumBasic scientistsMolecular expressionCancerMolecular aspects
2021
21-Gene Assay to Inform Chemotherapy Benefit in Node-Positive Breast Cancer
Kalinsky K, Barlow WE, Gralow JR, Meric-Bernstam F, Albain KS, Hayes DF, Lin NU, Perez EA, Goldstein LJ, Chia SKL, Dhesy-Thind S, Rastogi P, Alba E, Delaloge S, Martin M, Kelly CM, Ruiz-Borrego M, Gil-Gil M, Arce-Salinas CH, Brain EGC, Lee ES, Pierga JY, Bermejo B, Ramos-Vazquez M, Jung KH, Ferrero JM, Schott AF, Shak S, Sharma P, Lew DL, Miao J, Tripathy D, Pusztai L, Hortobagyi GN. 21-Gene Assay to Inform Chemotherapy Benefit in Node-Positive Breast Cancer. New England Journal Of Medicine 2021, 385: 2336-2347. PMID: 34914339, PMCID: PMC9096864, DOI: 10.1056/nejmoa2108873.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantDisease-Free SurvivalFemaleGene Expression ProfilingHumansLymphatic MetastasisMiddle AgedNeoplasm Recurrence, LocalPostmenopausePremenopauseProspective StudiesReceptor, ErbB-2Receptors, SteroidReverse Transcriptase Polymerase Chain ReactionConceptsInvasive disease-free survivalDistant relapse-free survivalDisease-free survivalRelapse-free survivalChemotherapy benefitRecurrence scoreBreast cancerChemoendocrine therapyAdjuvant chemotherapyPostmenopausal womenPremenopausal womenLymph nodesAxillary lymph node-negative breast cancerLymph node-negative breast cancerPositive axillary lymph nodesHER2-negative breast cancerNode-positive breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Positive lymph node diseasePositive lymph nodesSecondary end pointsAxillary lymph nodesLymph node diseaseGrowth factor receptor 2Comparison 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 coefficient
2017
Does lymph node status influence adjuvant therapy decision-making in women 70 years of age or older with clinically node negative hormone receptor positive breast cancer?
Chagpar AB, Horowitz N, Sanft T, Wilson LD, Silber A, Killelea B, Moran MS, DiGiovanna MP, Hofstatter E, Chung G, Pusztai L, Lannin DR. Does lymph node status influence adjuvant therapy decision-making in women 70 years of age or older with clinically node negative hormone receptor positive breast cancer? The American Journal Of Surgery 2017, 214: 1082-1088. PMID: 28939252, DOI: 10.1016/j.amjsurg.2017.07.036.Peer-Reviewed Original ResearchConceptsHormone receptor-positive breast cancerReceptor-positive breast cancerPositive breast cancerLymph nodesRadiation therapyBreast cancerPost-lumpectomy radiation therapyPost-mastectomy radiation therapyNational Cancer DatabaseSentinel LN biopsyBreast cancer patientsWomen 70 yearsAdjuvant chemotherapyAdjuvant therapyHormonal therapyLN biopsyLN evaluationLN statusCancer patientsCancer DatabasePatientsTherapyCancerChemotherapyHr
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
2012
Assessment of method of breast cancer detection and Onco type DX recurrence score.
Kelly C, Parker I, McCaffrey J, Crown J, O'Connor M, McGee S, Pusztai L, Kelly C. Assessment of method of breast cancer detection and Onco type DX recurrence score. Journal Of Clinical Oncology 2012, 30: 581-581. DOI: 10.1200/jco.2012.30.15_suppl.581.Peer-Reviewed Original ResearchRecurrence scoreClinicopathological variablesBreast cancerLymph nodesHER-2 negative breast cancerSignificant associationHER2-negative breast cancerFavorable pathological characteristicsTraditional clinicopathological variablesScreen-detected cancersNumber of patientsDX recurrence scoreNegative breast cancerMethod of detectionOncotypeDX recurrence scoreLymphovascular invasionBetter prognosisInterval cancersPatient chartsRoutine careTumor sizePathological characteristicsPrognostic informationTumor gradeClinical trials12O_PR Independent Blinded Validation of the Genomic Index of Sensitivity to Endocrine Therapy (Set)
Karn T, Hatzis C, Symmans W, Pusztai L, Ruckhäberle E, Schmidt M, Müller V, Holtrich U, Rody A, Kaufmann M. 12O_PR Independent Blinded Validation of the Genomic Index of Sensitivity to Endocrine Therapy (Set). Annals Of Oncology 2012, 23: ii18. DOI: 10.1016/s0923-7534(19)65684-x.Peer-Reviewed Original ResearchEndocrine therapyPositive patientsPrognostic valueTumor sizeER-positive primary breast cancerPositive primary breast cancerAdjuvant endocrine therapyNegative PgR statusNode-negative cohortPure prognostic valueNode-negative patientsStepwise Cox regressionER-positive patientsPrimary breast cancerBest independent predictorPgR statusAdjuvant treatmentRetrospective cohortIndependent predictorsLymph nodesNegative cohortSurvival benefitCox regressionClinical associationsHER2 status
2009
p53 mutations to predict efficacy of alkylating-containing regimen: a metaanalysis of four different clinical trials.
Lehmann-Che J, André F, Desmedt C, Giacchetti S, Sotiriou C, Turpin E, Espié M, Marty M, Piccart M, Pusztai L, De Thé H. p53 mutations to predict efficacy of alkylating-containing regimen: a metaanalysis of four different clinical trials. Cancer Research 2009, 69: 6064. DOI: 10.1158/0008-5472.sabcs-6064.Peer-Reviewed Original ResearchPathologic complete responseAnthracycline-based chemotherapyPCR rateWild-type tumorsP53 wild-type tumorsP53 mutationsType tumorsPredictive valueAnthracycline-containing chemotherapyBreast cancer patientsDifferent clinical trialsDifferent clinical studiesP53 mutant tumorsInvasive tumor cellsDose intensityComplete responseLymph nodesCancer patientsNegative cancersClinical trialsBreast cancerClinical studiesEstrogen receptorTOP trialPatients
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 ratePaclitaxel-induced sickle cell crisis
Wilson NM, Espirito JL, Valero V, Pusztai L. Paclitaxel-induced sickle cell crisis. American Journal Of Health-System Pharmacy 2008, 65: 1333-1336. PMID: 18593679, DOI: 10.2146/ajhp070432.Peer-Reviewed Original ResearchConceptsSickle cell diseaseHemoglobin sickle cell diseaseSickle cell crisisMetastatic diseasePainful crisesCell crisisBreast cancerAxillary lymph node dissectionPostmenopausal African-American womenLiver function test valuesLow-dose oxycodoneLymph node dissectionAxillary lymph nodesShortness of breathHistory of cancerSickle cell traitAfrican American womenRib painWeekly paclitaxelChemotherapy regimenNode dissectionSegmental mastectomyBone scanLeft breastLymph nodes
2007
The 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
2005
Weekly Paclitaxel Improves Pathologic Complete Remission in Operable Breast Cancer When Compared With Paclitaxel Once Every 3 Weeks
Green MC, Buzdar AU, Smith T, Ibrahim NK, Valero V, Rosales MF, Cristofanilli M, Booser DJ, Pusztai L, Rivera E, Theriault RL, Carter C, Frye D, Hunt KK, Symmans WF, Strom EA, Sahin AA, Sikov W, Hortobagyi GN. Weekly Paclitaxel Improves Pathologic Complete Remission in Operable Breast Cancer When Compared With Paclitaxel Once Every 3 Weeks. Journal Of Clinical Oncology 2005, 23: 5983-5992. PMID: 16087943, DOI: 10.1200/jco.2005.06.232.Peer-Reviewed Original ResearchConceptsPrimary systemic chemotherapyWeekly paclitaxelLymph nodesBreast cancerClinical responseFrequent administrationPathologic complete response rateClinical N0 diseaseDoxorubicin/cyclophosphamidePathologic complete remissionSchedule of paclitaxelClinical stage IComplete response rateIIIA breast cancerOperable breast cancerBreast conservation ratesLymph node involvementInvasive breast cancerLymph node statusDoses of paclitaxelFine-needle aspirationN0 diseaseComplete remissionNode involvementSystemic chemotherapyEpidermal growth factor receptor expression correlates with poor survival in patients who have breast carcinoma treated with doxorubicin‐based neoadjuvant chemotherapy
Buchholz TA, Tu X, Ang KK, Esteva FJ, Kuerer HM, Pusztai L, Cristofanilli M, Singletary SE, Hortobagyi GN, Sahin AA. Epidermal growth factor receptor expression correlates with poor survival in patients who have breast carcinoma treated with doxorubicin‐based neoadjuvant chemotherapy. Cancer 2005, 104: 676-681. PMID: 15981280, DOI: 10.1002/cncr.21217.Peer-Reviewed Original ResearchMeSH KeywordsAntibiotics, AntineoplasticAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsClinical Trials, Phase II as TopicClinical Trials, Phase III as TopicCyclophosphamideDisease-Free SurvivalDoxorubicinErbB ReceptorsFemaleFluorouracilHumansImmunohistochemistryNeoadjuvant TherapyPrognosisRandomized Controlled Trials as TopicSurvival AnalysisConceptsEpidermal growth factor receptorBreast carcinomaEGFR expressionAnthracycline chemotherapyLymph nodesEpidermal growth factor receptor expression correlatesSurvival ratePathologic complete response ratePretreatment tumor tissue samplesDisease-free survival ratesCox regression analysis modelComplete response rateEGFR-negative tumorsEGFR-positive diseasePositive lymph nodesAdvanced breast carcinomaMore lymph nodesOutcomes of patientsOverall survival rateProgesterone receptor statusEGFR-positive tumorsTumor tissue samplesKnowledge of outcomesGrowth factor receptorCyclophosphamide chemotherapyThe Role of Sigma Receptor in Breast Cancer
Pusztai L. The Role of Sigma Receptor in Breast Cancer. 2005 DOI: 10.21236/ada436919.Peer-Reviewed Original ResearchBreast cancerSKF 10047MRNA expressionCell linesEstrogen receptor statusBreast cancer cell linesCell migrationCancer cell linesReceptor statusLymph nodesSigma receptorsMDA-435 cellsMDA-231Western blotLigand exposureCancerCell proliferationCorrelative studiesNegative resultsSignaling pathwaysSiRNA technologyGene expression analysisActivity of RhoMolecular mechanismsExposure
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-induced histologic changes in mastectomy specimens and their potential significance
Sneige N, Kemp B, Pusztai L, Asmar L, Hortobagyi G. Chemotherapy-induced histologic changes in mastectomy specimens and their potential significance. The Breast 2001, 10: 492-500. PMID: 14965629, DOI: 10.1054/brst.2001.0310.Peer-Reviewed Original ResearchTumor responseHistologic changesCytologic changesComplete responseOverall survivalLymph nodesBreast cancerBreast tissueNon-neoplastic breast tissueHistologic complete responseNeoplastic breast epitheliumPost-chemotherapy tumorsPostmenopausal breast tissueClinical tumor responseRelapse-free survivalPercent of tumorsPathologic tumor responseStable diseasePreoperative chemotherapyPreoperative treatmentPartial responsePathologic assessmentHistologic confirmationPerilobular fibrosisResidual tumorExpression of erbB/HER receptors, heregulin and p38 in primary breast cancer using quantitative immunohistochemistry
Esteva F, Hortobagyi G, Sahin A, Smith T, Chin D, Liang S, Pusztai L, Buzdar A, Bacus S. Expression of erbB/HER receptors, heregulin and p38 in primary breast cancer using quantitative immunohistochemistry. Pathology & Oncology Research 2001, 7: 171-177. PMID: 11692142, DOI: 10.1007/bf03032345.Peer-Reviewed Original ResearchConceptsPrimary breast cancerBreast cancerHER-2Mitogen-activated protein kinaseQuantitative immunohistochemistryHER-4Frequency of expressionGrowth factor receptorHER-3Early-stage breast cancerFactor receptorHormone receptor statusInvasive breast cancerErbB/Breast cancer tissuesExpression of EGFRYears of ageEvidence of associationReceptor statusLymph nodesTumor sizeHER familyTumor markersTumor specimensCancer tissuesFactors predictive of outcome in patients with breast cancer refractory to neoadjuvant chemotherapy.
Buchholz T, Hill B, Tucker S, Frye D, Kuerer H, Buzdar A, McNeese M, Singletary S, Ueno N, Pusztai L, Valero V, Hortobagyi G. Factors predictive of outcome in patients with breast cancer refractory to neoadjuvant chemotherapy. The Cancer Journal 2001, 7: 413-20. PMID: 11693900.Peer-Reviewed Original ResearchConceptsEstrogen receptor-negative diseaseReceptor-negative diseaseLocal-regional recurrenceLocal-regional recurrence ratePositive lymph nodesNeoadjuvant chemotherapyLymph nodesOverall survivalProgressive diseaseRecurrence rateLymph node-negative diseaseSignificant poorer overall survivalEstrogen receptor-positive diseaseBreast cancer refractoryInvolved lymph nodesNegative lymph nodesReceptor-positive diseaseNode-negative diseasePostoperative radiation therapyInitial clinical stageCox regression analysisBreast cancer patientsPoor overall survivalAdjuvant chemotherapyCancer refractory