2022
Molecular differences between younger versus older ER-positive and HER2-negative breast cancers
Qing T, Karn T, Rozenblit M, Foldi J, Marczyk M, Shan N, Blenman K, Holtrich U, Kalinsky K, Meric-Bernstam F, Pusztai L. Molecular differences between younger versus older ER-positive and HER2-negative breast cancers. Npj Breast Cancer 2022, 8: 119. PMID: 36344517, PMCID: PMC9640562, DOI: 10.1038/s41523-022-00492-0.Peer-Reviewed Original ResearchBreast cancerYounger patientsHER2-negative breast cancerNode-positive breast cancerNode-negative diseaseSame clinical featuresHigh mutation burdenLower mRNA expressionAdjuvant chemotherapyMicroarray cohortTAILORx trialOvarian suppressionOlder patientsPatient ageClinical featuresProliferation-related gene expressionScore 0Mutation burdenCopy number gainsOlder womenGATA3 mutationsAge groupsGene signatureMRNA expressionChemotherapyThe mutational profile of ER-, PR+, HER2- metastatic breast cancer.
Fischbach N, Huang R, Lustberg M, Pelletier M, Pusztai L, Sivakumar S, Sokol E, Ross J, Levy M. The mutational profile of ER-, PR+, HER2- metastatic breast cancer. Journal Of Clinical Oncology 2022, 40: 1025-1025. DOI: 10.1200/jco.2022.40.16_suppl.1025.Peer-Reviewed Original ResearchTriple-negative breast cancerComprehensive genomic profilingMetastatic breast cancerBreast cancerClinical trialsPathology reportsMutational profileHER2- metastatic breast cancerConsecutive breast cancersAnti-estrogen therapyNegative breast cancerPD-L1 IHCPotential therapeutic implicationsHigh rateEndocrine therapyEstrogen therapyPatient ageFoundation MedicineKRAS alterationsRare subtypeHER2 expressionClinical behaviorReceptor phenotypeBreast carcinomaTreatment strategies
2021
How did the COVID crisis affect use of neoadjuvant therapy for patients with breast cancer?
Chagpar A, Lannin D, Mougalian S, Berger E, Gross C, Horowitz N, Sanft T, DiGiovanna M, Golshan M, Pusztai L. How did the COVID crisis affect use of neoadjuvant therapy for patients with breast cancer? Journal Of Clinical Oncology 2021, 39: e18708-e18708. DOI: 10.1200/jco.2021.39.15_suppl.e18708.Peer-Reviewed Original ResearchUse of NTNeoadjuvant therapyEarly pandemic periodBreast cancerNon-metastatic breast cancerPractice settingsEarly pandemicFlatiron Health databaseNeoadjuvant endocrine therapyTechnology-enabled abstractionSame period one yearSimilar clinicopathologic featuresLongitudinal electronic health recordsPeriod one yearElectronic health recordsTNBC subsetEndocrine therapyPatient ageTN patientsClinicopathologic featuresContemporary cohortClinical stageCancer clinicCancer managementHigh risk
2017
Association of LN Evaluation with Survival in Women Aged 70 Years or Older With Clinically Node-Negative Hormone Receptor Positive Breast Cancer
Chagpar AB, Hatzis C, Pusztai L, DiGiovanna MP, Moran M, Mougalian S, Sanft T, Evans S, Hofstatter E, Wilson LD, Lannin DR. Association of LN Evaluation with Survival in Women Aged 70 Years or Older With Clinically Node-Negative Hormone Receptor Positive Breast Cancer. Annals Of Surgical Oncology 2017, 24: 3073-3081. PMID: 28766195, DOI: 10.1245/s10434-017-5936-x.Peer-Reviewed Original ResearchConceptsBreast cancer-specific survivalLN evaluationPositive breast cancerOverall survivalBreast cancerHormone receptor-positive breast cancerWomen Aged 70 YearsReceptor-positive breast cancerLymph node evaluationCancer-specific survivalLower hazard rateLN surgeryBetter OSPatient ageSEER databasePatient selectionTumor characteristicsSEER dataPatientsNode evaluationHormone receptorsCancerSurvivalTreatment variablesNCDB
2015
Neoadjuvant Chemotherapy for Breast Cancer Increases the Rate of Breast Conservation: Results from the National Cancer Database
Killelea BK, Yang VQ, Mougalian S, Horowitz NR, Pusztai L, Chagpar AB, Lannin DR. Neoadjuvant Chemotherapy for Breast Cancer Increases the Rate of Breast Conservation: Results from the National Cancer Database. Journal Of The American College Of Surgeons 2015, 220: 1063-1069. PMID: 25868410, DOI: 10.1016/j.jamcollsurg.2015.02.011.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseNeoadjuvant chemotherapyBreast preservationBreast conservationTumor sizeCancer DatabaseDefinitive breast surgerySmall institutional seriesBreast cancer increasesAdvanced nodal diseaseInvasive breast cancerYounger patient ageBreast tumor sizeLarger tumor sizeMultivariate logistic regressionHigh tumor gradeAmerican Cancer SocietyAdjuvant chemotherapyNodal diseasePrimary surgeryT4 tumorsInstitutional seriesPatient ageRetrospective reviewDistant metastasis
2013
The impact of survivorship care plans on knowledge among breast cancer survivors.
Bulloch K, Irwin M, Chagpar A, Horowitz N, Killelea B, Pusztai L, Abu-Khalaf M, DiGiovanna M, Chung G, Hofstatter E, Levy A, Sanft T. The impact of survivorship care plans on knowledge among breast cancer survivors. Journal Of Clinical Oncology 2013, 31: 124-124. DOI: 10.1200/jco.2013.31.26_suppl.124.Peer-Reviewed Original ResearchSurvivorship care plansPotential side effectsSurveillance recommendationsSide effectsPatient knowledgeCancer survivorsCare plansLong-term side effectsCancer treatmentTreatment progressMedian patient ageBreast cancer survivorsCompletion of treatmentKnowledge of treatmentElectronic medical recordsOnly significant improvementPatient ageProspective studyTreatment detailsTumor stageCancer stageMedical recordsRisk factorsMedicine recommendationsStage III
2012
High stearoyl-CoA desaturase 1 expression is associated with shorter survival in breast cancer patients
Holder AM, Gonzalez-Angulo AM, Chen H, Akcakanat A, Do KA, Fraser Symmans W, Pusztai L, Hortobagyi GN, Mills GB, Meric-Bernstam F. High stearoyl-CoA desaturase 1 expression is associated with shorter survival in breast cancer patients. Breast Cancer Research And Treatment 2012, 137: 319-327. PMID: 23208590, PMCID: PMC3556743, DOI: 10.1007/s10549-012-2354-4.Peer-Reviewed Original ResearchConceptsRelapse-free survivalShorter relapse-free survivalBreast cancerOverall survivalPatient ageMultivariable analysisClinical stageSCD1 levelsSCD1 expressionTumor subtypesStearoyl-CoA desaturase 1 expressionTriple-negative breast cancerMartingale residual plotsPrimary breast cancerSurvival of patientsBreast cancer patientsClinical pathologic characteristicsTumor clinical stageDesaturase 1 expressionBreast cancer subtypesBreast cancer cell linesExpression levelsRole of SCD1Fine needle aspiratesOverexpression of SCD1Adjuvant Therapy in Stage I Carcinoma of the Breast: The Influence of Multigene Analyses and Molecular Phenotyping
Schwartz GF, Bartelink H, Burstein HJ, Cady B, Cataliotti L, Fentiman IS, Holland R, Hughes KS, Masood S, McCormick B, Palazzo JA, Pressman PI, Reis‐Filho J, Pusztai L, Rutgers EJ, Seidman AD, Solin LJ, Sparano JA. Adjuvant Therapy in Stage I Carcinoma of the Breast: The Influence of Multigene Analyses and Molecular Phenotyping. The Breast Journal 2012, 18: 303-311. PMID: 22759093, DOI: 10.1111/j.1524-4741.2012.01264.x.Peer-Reviewed Original ResearchConceptsStage I carcinomaAdjuvant therapyBreast cancerGene prognostic signaturePatient ageTumor sizeImmunohistochemical markersIndividual patientsConsensus conferencePrognostic signatureSteroid hormonesMolecular profilingNottingham indexMolecular phenotypingPatientsCarcinomaTherapyCancerBreastPrognosisPart of decisionHormone
2004
Lack of association between amplification of her‐2 and response to preoperative taxanes in patients with breast carcinoma
Gonzalez‐Angulo A, Krishnamurthy S, Yamamura Y, Broglio KR, Pusztai L, Buzdar AU, Hortobagyi GN, Esteva FJ. Lack of association between amplification of her‐2 and response to preoperative taxanes in patients with breast carcinoma. Cancer 2004, 101: 258-263. PMID: 15241821, DOI: 10.1002/cncr.20348.Peer-Reviewed Original ResearchConceptsEarly-stage breast carcinomaBreast carcinomaTumor specimensPathologic responseStage II breast carcinomaAJCC stage IIMedian patient ageStage III diseasePathologic complete responseOverall survival rateLack of associationGene amplificationPreoperative chemotherapyRecurrent diseaseComplete responsePatient agePatientsCarcinomaSurvival rateTissue specimensStage IITaxanesHormone receptorsTumorsDisease
2003
Jun activation domain binding protein 1 expression is associated with low p27(Kip1)levels in node-negative breast cancer.
Esteva FJ, Sahin AA, Rassidakis GZ, Yuan LX, Smith TL, Yang Y, Gilcrease MZ, Cristofanilli M, Nahta R, Pusztai L, Claret FX. Jun activation domain binding protein 1 expression is associated with low p27(Kip1)levels in node-negative breast cancer. Clinical Cancer Research 2003, 9: 5652-9. PMID: 14654548.Peer-Reviewed Original ResearchMeSH KeywordsBreast NeoplasmsCell Cycle ProteinsCOP9 Signalosome ComplexCyclin-Dependent Kinase Inhibitor p27DNA-Binding ProteinsFemaleGene Expression Regulation, NeoplasticGenes, Tumor SuppressorHumansImmunohistochemistryIntracellular Signaling Peptides and ProteinsLymphatic MetastasisMiddle AgedPeptide HydrolasesReceptor, ErbB-2Receptors, EstrogenSurvival AnalysisTime FactorsTranscription FactorsTumor Suppressor ProteinsConceptsNode-negative breast cancerAdjacent normal tissuesInvasive breast carcinomaBreast cancerJab1 overexpressionNormal tissuesBreast carcinomaAdjuvant systemic therapyDisease-free survivalIndependent prognostic factorInvasive breast cancerLow nuclear gradeBreast cancer tissuesExpression levelsProtein-1 expressionBreast tumor tissuesWestern blot analysisDomain-binding protein 1Patient agePrognostic factorsSystemic therapyPrognostic significanceTumor sizeNuclear gradeInvasive tumorsCorrelation between HER‐2 expression and response to neoadjuvant chemotherapy with 5‐fluorouracil, doxorubicin, and cyclophosphamide in patients with breast carcinoma
Zhang F, Yang Y, Smith T, Kau S, McConathy JM, Esteva FJ, Kuerer HM, Symmans WF, Buzdar AU, Hortobagyi GN, Pusztai L. Correlation between HER‐2 expression and response to neoadjuvant chemotherapy with 5‐fluorouracil, doxorubicin, and cyclophosphamide in patients with breast carcinoma. Cancer 2003, 97: 1758-1765. PMID: 12655533, DOI: 10.1002/cncr.11245.Peer-Reviewed Original ResearchConceptsCourses of FACBreast carcinomaNeoadjuvant chemotherapyPathologic responseResponse rateLymph node-positive diseaseGood pathologic responseMedian patient ageClinical response rateNode-positive diseasePercent of patientsTime of surgeryClinical laboratory assessmentsMinimal residual diseaseClinical responsePositive diseasePathologic assessmentPatient agePhysical examinationPositive tumorsResidual diseaseImaging assessmentClinical assessmentResponse assessmentNonsignificant trend