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 2
2018
Comparison of Residual Risk–Based Eligibility vs Tumor Size and Nodal Status for Power Estimates in Adjuvant Trials of Breast Cancer Therapies
Wei W, Kurita T, Hess KR, Sanft T, Szekely B, Hatzis C, Pusztai L. Comparison of Residual Risk–Based Eligibility vs Tumor Size and Nodal Status for Power Estimates in Adjuvant Trials of Breast Cancer Therapies. JAMA Oncology 2018, 4: e175092-e175092. PMID: 29372234, PMCID: PMC5885272, DOI: 10.1001/jamaoncol.2017.5092.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantEligibility DeterminationFemaleHumansLymph NodesLymphatic MetastasisMiddle AgedNeoplasm Recurrence, LocalNeoplasm, ResidualPatient SelectionPrognosisRandomized Controlled Trials as TopicReproducibility of ResultsResearch DesignRetrospective StudiesRisk FactorsSurvival AnalysisTrastuzumabTumor BurdenWatchful WaitingYoung AdultConceptsTumor sizeAdjuvant trialsEligibility criteriaNodal statusClinical trialsResidual riskEarly-stage breast cancerAdjuvant clinical trialsBaseline prognostic riskFuture adjuvant trialsResidual risk estimatesRisk of recurrenceBreast cancer therapyRisk thresholdTrial powerClinical trial powerTrial eligibilityAdjuvant therapyCare therapyConsecutive patientsPrognostic riskPatient eligibilityTrial populationPatient cohortControl arm
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
2014
In Situ Tumor PD-L1 mRNA Expression Is Associated with Increased TILs and Better Outcome in Breast Carcinomas
Schalper KA, Velcheti V, Carvajal D, Wimberly H, Brown J, Pusztai L, Rimm DL. In Situ Tumor PD-L1 mRNA Expression Is Associated with Increased TILs and Better Outcome in Breast Carcinomas. Clinical Cancer Research 2014, 20: 2773-2782. PMID: 24647569, DOI: 10.1158/1078-0432.ccr-13-2702.Peer-Reviewed Original ResearchB7-H1 AntigenBreast NeoplasmsCell Line, TumorFemaleFluorescent Antibody TechniqueGene Expression Regulation, NeoplasticHumansIn Situ HybridizationKaplan-Meier EstimateLymphatic MetastasisLymphocytes, Tumor-InfiltratingMiddle AgedMultivariate AnalysisNeoplasm Recurrence, LocalPrognosisReceptor, ErbB-2Receptors, EstrogenRNA, MessengerTissue Array Analysis
2011
Plasma microRNA 210 levels correlate with sensitivity to trastuzumab and tumor presence in breast cancer patients
Jung E, Santarpia L, Kim J, Esteva FJ, Moretti E, Buzdar AU, Di Leo A, Le X, Bast RC, Park S, Pusztai L, Calin GA. Plasma microRNA 210 levels correlate with sensitivity to trastuzumab and tumor presence in breast cancer patients. Cancer 2011, 118: 2603-2614. PMID: 22370716, PMCID: PMC3864019, DOI: 10.1002/cncr.26565.Peer-Reviewed Original ResearchConceptsBreast cancer patientsPositive breast cancerMiR-210 levelsBreast cancerMiR-210Cancer patientsMicroRNA expression levelsTumor presenceExpression levelsPlasma samplesBT474 cellsNeoadjuvant trastuzumab-based chemotherapyHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Trastuzumab-resistant breast cancer cellsMiR expression levelsTrastuzumab-based chemotherapyPathologic complete responseGrowth factor receptor 2Cancer cellsPostoperative plasma samplesPreoperative plasma samplesReverse transcriptase-polymerase chain reactionQuantitative reverse transcriptase-polymerase chain reactionMiR-210 expression
2010
Impact of Progression During Neoadjuvant Chemotherapy on Surgical Management of Breast Cancer
Caudle AS, Gonzalez-Angulo AM, Hunt KK, Pusztai L, Kuerer HM, Mittendorf EA, Hortobagyi GN, Meric-Bernstam F. Impact of Progression During Neoadjuvant Chemotherapy on Surgical Management of Breast Cancer. Annals Of Surgical Oncology 2010, 18: 932-938. PMID: 21061075, PMCID: PMC4347926, DOI: 10.1245/s10434-010-1390-8.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, LobularChemotherapy, AdjuvantCombined Modality TherapyFemaleFollow-Up StudiesHumansLymphatic MetastasisMastectomyMiddle AgedNeoadjuvant TherapyRetrospective StudiesSurvival RateTreatment OutcomeConceptsBreast conservation therapyNeoadjuvant chemotherapyBreast cancerSurgical managementDisease progressionStable diseaseImpact of progressionAdvanced breast cancerEarly-stage diseaseBCT candidatesClinical lymphadenopathyChemotherapy regimensProgressive diseaseStandard therapyComplete responseMedical oncologistsDistant metastasisClinicopathological dataFlap closurePatientsStage ITherapeutic interventionsOperative planEarly identificationMastectomyUtility of oncotype DX risk estimates in clinically intermediate risk hormone receptor‐positive, HER2‐normal, grade II, lymph node‐negative breast cancers
Kelly CM, Krishnamurthy S, Bianchini G, Litton JK, Gonzalez‐Angulo A, Hortobagyi GN, Pusztai L. Utility of oncotype DX risk estimates in clinically intermediate risk hormone receptor‐positive, HER2‐normal, grade II, lymph node‐negative breast cancers. Cancer 2010, 116: 5161-5167. PMID: 20665886, DOI: 10.1002/cncr.25269.Peer-Reviewed Original ResearchConceptsTrial Assigning Individualized OptionsRisk of recurrenceOncotype DXRecurrence scoreBreast cancerIntermediate riskGrade I/II tumorsLymph node-negative breast cancerNode-negative breast cancerStage I/IID. Anderson Cancer CenterOncotype DX breast cancerRisk estimatesIntermediate-risk populationEarly breast cancerRoutine clinical variablesHigh-risk groupOncotype DX testingAnderson Cancer CenterAdjuvant chemotherapyDistant recurrenceConsecutive patientsII tumorsClinicopathological variablesLobular carcinomaBreast cancer prognostic markers in the post-genomic era
Pusztai L, Iwamoto T. Breast cancer prognostic markers in the post-genomic era. Breast Cancer Research And Treatment 2010, 125: 647-650. PMID: 20464478, DOI: 10.1007/s10549-010-0932-x.Peer-Reviewed Original Research
2008
Evaluation of biological pathways involved in chemotherapy response in breast cancer
Tordai A, Wang J, Andre F, Liedtke C, Yan K, Sotiriou C, Hortobagyi GN, Symmans WF, Pusztai L. Evaluation of biological pathways involved in chemotherapy response in breast cancer. Breast Cancer Research 2008, 10: r37. PMID: 18445275, PMCID: PMC2397539, DOI: 10.1186/bcr2088.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantCyclophosphamideDoxorubicinDrug Resistance, NeoplasmE2F3 Transcription FactorFemaleFluorouracilGene Expression ProfilingGene Expression Regulation, NeoplasticGenes, p53HumansKi-67 AntigenLymphatic MetastasisMiddle AgedMutationNeoadjuvant TherapyNeoplasm StagingPaclitaxelReceptors, EstrogenSignal TransductionTreatment OutcomeConceptsER-positive breast cancerPathologic complete responseER-positive cancersER-negative cancersGenomic grade indexBreast cancerChemotherapy sensitivityGene signatureER-negative breast cancerProliferation signatureER-positive patientsPositive breast cancerExpression of ERPreoperative paclitaxelProliferation gene signatureCyclophosphamide chemotherapyComplete responseResidual cancerChemotherapy responsePCR groupKi67 expressionEstrogen receptorIntroductionOur goalCancerChemotherapyPIK3CA-activating mutations and chemotherapy sensitivity in stage II–III breast cancer
Liedtke C, Cardone L, Tordai A, Yan K, Gomez HL, Figureoa LJ, Hubbard RE, Valero V, Souchon EA, Symmans WF, Hortobagyi GN, Bardelli A, Pusztai L. PIK3CA-activating mutations and chemotherapy sensitivity in stage II–III breast cancer. Breast Cancer Research 2008, 10: r27. PMID: 18371219, PMCID: PMC2397526, DOI: 10.1186/bcr1984.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnthracyclinesAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantClass I Phosphatidylinositol 3-KinasesDNA Mutational AnalysisFemaleHumansLymphatic MetastasisMiddle AgedMutationNeoadjuvant TherapyNeoplasm StagingPhosphatidylinositol 3-KinasesReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneTaxoidsConceptsPathological complete responseER-positive tumorsPIK3CA mutationsBreast cancerChemotherapy sensitivityPIK3CA exon 9 mutationsStage IIResidual cancer burden scoreER-negative breast tumorsReceptor expression statusNode-positive diseaseResultsTwenty-three patientsTaxane-based chemotherapyType of chemotherapyNode-positive tumorsPIK3CA-activating mutationsEstrogen receptor (ER) expression statusExon 9 mutationsPIK3CA activationRCB scoreChemotherapy regimenNeoadjuvant chemotherapyComplete responseResidual cancerER status
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 stageResidual Ductal Carcinoma In Situ in Patients With Complete Eradication of Invasive Breast Cancer After Neoadjuvant Chemotherapy Does Not Adversely Affect Patient Outcome
Mazouni C, Peintinger F, Wan-Kau S, Andre F, Gonzalez-Angulo AM, Symmans WF, Meric-Bernstam F, Valero V, Hortobagyi GN, Pusztai L. Residual Ductal Carcinoma In Situ in Patients With Complete Eradication of Invasive Breast Cancer After Neoadjuvant Chemotherapy Does Not Adversely Affect Patient Outcome. Journal Of Clinical Oncology 2007, 25: 2650-2655. PMID: 17602071, DOI: 10.1200/jco.2006.08.2271.Peer-Reviewed Original ResearchConceptsResidual invasive cancerResidual ductal carcinomaDisease-free survivalInvasive cancerResidual DCISDFS ratesNeoadjuvant chemotherapyOverall survivalComplete eradicationOS ratesDuctal carcinomaLocoregional recurrence-free survival ratesLocal recurrence-free survivalRecurrence-free survival ratesTexas M.D. Anderson Cancer CenterM.D. Anderson Cancer CenterOutcomes of patientsRate of patientsInvasive breast cancerLocal recurrence rateRecurrence-free survivalBreast cancer patientsInclusion of patientsAnderson Cancer CenterLong-term survival
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
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 tumors
1998
Discouraging news for high-dose chemotherapy in high-risk breast cancer
Pusztai L, Hortobagyi G. Discouraging news for high-dose chemotherapy in high-risk breast cancer. The Lancet 1998, 352: 501-502. PMID: 9716049, DOI: 10.1016/s0140-6736(05)79310-7.Peer-Reviewed Original Research