2024
Trends in breast cancer specific death by clinical stage at diagnoses between 2000-2017
Marczyk M, Kahn A, Silber A, Rosenblit M, Digiovanna M, Lustberg M, Pusztai L. Trends in breast cancer specific death by clinical stage at diagnoses between 2000-2017. Journal Of The National Cancer Institute 2024, djae241. PMID: 39348186, DOI: 10.1093/jnci/djae241.Peer-Reviewed Original ResearchBreast cancer-specific deathCancer-specific deathBreast cancerStage IAll-cause mortalityTemporal trendsStage I/II breast cancerHormone receptor-positiveNode-negative cancersPrimary tumor typeStage I/II diseaseMetastatic breast cancerStage II cancerBilateral cancerIV cancerFemale sexIV diseaseReceptor-positiveExcellent prognosisII cancerClinical stageTumor typesTreated patientsStage IIICancer
2023
Molecular Characterization of HER2-Low Invasive Breast Carcinoma by Quantitative RT-PCR Using Oncotype DX Assay
Lin H, Can T, Kahn A, Flannery C, Hoag J, Akkunuri A, Bailey H, Baehner R, Pusztai L, Rozenblit M. Molecular Characterization of HER2-Low Invasive Breast Carcinoma by Quantitative RT-PCR Using Oncotype DX Assay. The Oncologist 2023, 28: e973-e976. PMID: 37656608, PMCID: PMC10546821, DOI: 10.1093/oncolo/oyad249.Peer-Reviewed Original ResearchConceptsHER2 mRNA levelsIHC 0MRNA levelsOncotype DX recurrence score resultsEstrogen receptor-positive breast cancerReceptor-positive breast cancerCurrent adjuvant chemotherapyOncotype DX assayRecurrence Score resultsPositive breast cancerInvasive breast carcinomaIHC score 0Adjuvant chemotherapyQuantitative RT-PCRBreast carcinomaPositive statusScore 0Breast cancerStage IYale cohortHigher mRNA levelsCancerRT-PCRPatientsHER2Persistence to extended adjuvant endocrine therapy following Breast Cancer Index (BCI) testing in women with early-stage hormone receptor-positive (HR +) breast cancer
Foldi J, Tsagianni A, Salganik M, Schnabel C, Brufsky A, van Londen G, Pusztai L, Sanft T. Persistence to extended adjuvant endocrine therapy following Breast Cancer Index (BCI) testing in women with early-stage hormone receptor-positive (HR +) breast cancer. BMC Cancer 2023, 23: 606. PMID: 37391697, PMCID: PMC10314405, DOI: 10.1186/s12885-023-11104-w.Peer-Reviewed Original ResearchConceptsAdjuvant endocrine therapyEarly-stage hormone receptor-positive breast cancerHormone receptor-positive breast cancerReceptor-positive breast cancerEndocrine therapyBreast cancerLate breast cancer recurrenceExtended endocrine therapyNon-persistence ratesIntolerable side effectsBone density scanBreast cancer recurrenceHigher likelihoodRate of persistenceElectronic health recordsConclusionsIn patientsMedication persistenceTreatment persistenceLow patientsMetastatic recurrenceCancer recurrenceCommon reasonSide effectsPatientsStage IHRD 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 subtypes
2020
Adherence to extended adjuvant endocrine therapy following Breast Cancer Index (BCI) testing in women with early-stage hormone receptor (HR)-positive breast cancers.
Foldi J, Schnabel C, Salganik M, Pusztai L, Sanft T. Adherence to extended adjuvant endocrine therapy following Breast Cancer Index (BCI) testing in women with early-stage hormone receptor (HR)-positive breast cancers. Journal Of Clinical Oncology 2020, 38: 527-527. DOI: 10.1200/jco.2020.38.15_suppl.527.Peer-Reviewed Original ResearchLate distant recurrenceAdjuvant endocrine therapyEndocrine therapyDistant recurrenceDXA scansBreast cancerHigh riskStage IEarly-stage hormone receptorExtended endocrine therapyIntolerable side effectsOsteopenia/osteoporosisPositive breast cancerRate of adherenceSerious adverse effectsBreast cancer recurrenceMajority of ptsHigher likelihoodElectronic health recordsLocal recurrenceMedian ageLate recurrenceMetastatic recurrenceTumor characteristicsMedication adherenceGene Expression Profiling as an Emerging Diagnostic Tool to Personalize Chemotherapy Selection for Early Stage Breast Cancer
Liedtke C, Pusztai L. Gene Expression Profiling as an Emerging Diagnostic Tool to Personalize Chemotherapy Selection for Early Stage Breast Cancer. 2020, 77-96. DOI: 10.1201/9780429137723-6.Peer-Reviewed Original ResearchBreast cancerEarly-stage breast cancerCombination chemotherapy regimensSubstantial tumor responseAdvanced breast cancerNeoadjuvant chemotherapy regimenStage breast cancerAdjuvant chemotherapyChemotherapy regimenNeoadjuvant therapyChemotherapy regimensPreoperative chemotherapyChemotherapy selectionOverall survivalInoperable cancerTumor responseStage ICancer tissuesCancerGene expression profilingChemotherapyDiagnostic toolCurrent standardSemiquantitative mannerExpression profiling
2018
Single-arm, neoadjuvant, phase II trial of pertuzumab and trastuzumab administered concomitantly with weekly paclitaxel followed by 5-fluoruracil, epirubicin, and cyclophosphamide (FEC) for stage I–III HER2-positive breast cancer
Foldi J, Mougalian S, Silber A, Lannin D, Killelea B, Chagpar A, Horowitz N, Frederick C, Rispoli L, Burrello T, Abu-Khalaf M, Sabbath K, Sanft T, Brandt DS, Hofstatter EW, Hatzis C, DiGiovanna MP, Pusztai L. Single-arm, neoadjuvant, phase II trial of pertuzumab and trastuzumab administered concomitantly with weekly paclitaxel followed by 5-fluoruracil, epirubicin, and cyclophosphamide (FEC) for stage I–III HER2-positive breast cancer. Breast Cancer Research And Treatment 2018, 169: 333-340. PMID: 29396664, DOI: 10.1007/s10549-017-4653-2.Peer-Reviewed Original ResearchConceptsHER2-positive breast cancerPhase II trialII trialNeoadjuvant chemotherapyPCR rateHormone receptorsBreast cancerGrade 3/4 adverse eventsPathologic complete response rateCyclophosphamide neoadjuvant chemotherapyComplete response rateSymptomatic heart failureAsymptomatic decreaseNeoadjuvant settingWeekly paclitaxelAdverse eventsHeart failureTherapeutic plateauCardiac functionInterim analysisStage IResponse ratePurposeThe purposePatientsNegative cases
2017
Pathologic complete response (pCR) rates after neoadjuvant pertuzumab (P) and trastuzumab (H) administered concomitantly with weekly paclitaxel (T) and 5-fluorouracil/epirubicin/cyclophosphamide (FEC) chemotherapy for clinical stage I-III HER2-positive breast cancer.
Foldi J, Mougalian S, Silber A, Lannin D, Killelea B, Chagpar A, Horowitz N, Frederick C, Rispoli L, Abu-Khalaf M, Sabbath K, Sanft T, Fischbach N, Brandt D, Hofstatter E, DiGiovanna M, Pusztai L. Pathologic complete response (pCR) rates after neoadjuvant pertuzumab (P) and trastuzumab (H) administered concomitantly with weekly paclitaxel (T) and 5-fluorouracil/epirubicin/cyclophosphamide (FEC) chemotherapy for clinical stage I-III HER2-positive breast cancer. Journal Of Clinical Oncology 2017, 35: 577-577. DOI: 10.1200/jco.2017.35.15_suppl.577.Peer-Reviewed Original ResearchPathologic complete response rateHER2-positive breast cancerDual HER2 blockadeComplete response ratePCR rateEstrogen receptorHER2 blockadeBreast cancerStage IResponse rateGrade 3/4 adverse eventsSymptomatic congestive heart failureClinical stage ICompletion of chemotherapyPhase II studyTaxane-based chemotherapyCongestive heart failureEfficacy of anthracyclinesPositive breast cancerNormal cardiac functionEntire treatment durationER cohortER- cancersNeoadjuvant pertuzumabWeekly paclitaxelBone Density Screening in Postmenopausal Women With Early-Stage Breast Cancer Treated With Aromatase Inhibitors
Stratton J, Hu X, Soulos PR, Davidoff AJ, Pusztai L, Gross CP, Mougalian SS. Bone Density Screening in Postmenopausal Women With Early-Stage Breast Cancer Treated With Aromatase Inhibitors. JCO Oncology Practice 2017, 13: jop.2016.018341. PMID: 28267392, DOI: 10.1200/jop.2016.018341.Peer-Reviewed Original ResearchConceptsBaseline DXA scanAromatase inhibitorsBreast cancerDXA scansPostmenopausal womenAI treatmentBaseline bone mineral density testingDual-energy X-ray absorptiometry scanBone mineral density testingBone mineral density evaluationEarly-stage breast cancerX-ray absorptiometry scansBone density screeningOlder Medicare beneficiariesMultivariable logistic regressionSEER-Medicare databaseRepeat DXA scansAI therapyBisphosphonate usePatient characteristicsRetrospective analysisWhite raceMedicare beneficiariesOsteoporosis diagnosisStage I
2015
Use of neoadjuvant chemotherapy for patients with stage I to III breast cancer in the United States
Mougalian SS, Soulos PR, Killelea BK, Lannin DR, Abu-Khalaf MM, DiGiovanna MP, Sanft TB, Pusztai L, Gross CP, Chagpar AB. Use of neoadjuvant chemotherapy for patients with stage I to III breast cancer in the United States. Cancer 2015, 121: 2544-2552. PMID: 25902916, DOI: 10.1002/cncr.29348.Peer-Reviewed Original ResearchConceptsNeoadjuvant chemotherapyNAC useBreast cancerStage INational Cancer Data BaseStage III breast cancerStage IIIC cancerStage II diseaseStage III diseaseAdvanced breast cancerStandard of careLow-stage cancersLogistic regression analysisChi-square testIIIC cancersStage IIIAStage IIIBAdvanced cancerAfrican American individualsStage cancerPatterns of usePatientsAcademic centersClinical advantagesMultivariate analysisSystematic Approach to Providing Breast Cancer Survivors With Survivorship Care Plans: A Feasibility Study
Bulloch KJ, Irwin ML, Chagpar AB, Pusztai L, Killelea BK, Horowitz NR, Hofstatter EW, Abu-Khalaf MM, DiGiovanna M, Chung GG, Sanft TB. Systematic Approach to Providing Breast Cancer Survivors With Survivorship Care Plans: A Feasibility Study. JCO Oncology Practice 2015, 11: e170-e176. PMID: 25784577, DOI: 10.1200/jop.2015.005173.Peer-Reviewed Original ResearchConceptsAdverse eventsBreast cancerPostoperative visitPatient knowledgeEligible participantsSurvivorship care plansBreast cancer survivorsPotential adverse eventsAge 18 yearsRisk of leukemiaFuture adverse eventsElectronic medical recordsKnowledge of tumorsRoutine followPostoperative appointmentsCancer survivorsMedical recordsSurgical clinicTreatment completionCare plansStage IMcNemar testCancerVisitsWomen
2013
Influence of genomics on adjuvant treatments for pre-invasive and invasive breast cancer
Abu-Khalaf M, Pusztai L. Influence of genomics on adjuvant treatments for pre-invasive and invasive breast cancer. The Breast 2013, 22: s83-s87. PMID: 24074799, DOI: 10.1016/j.breast.2013.07.015.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAntineoplastic Agents, HormonalBiopsy, NeedleBreast NeoplasmsChemotherapy, AdjuvantCost SavingsCost-Benefit AnalysisFemaleForecastingGenetic TestingGenomicsHumansImmunohistochemistryMiddle AgedNeoplasm InvasivenessNeoplasm StagingPrognosisReceptors, EstrogenRisk AssessmentSurvival AnalysisTreatment OutcomeConceptsLow-risk patientsBreast cancerRisk patientsTreatment recommendationsEarly-stage breast cancerER-positive breast cancerUse of chemotherapyInvasive breast cancerGenomic testingStage breast cancerInternational practice guidelinesMultivariate prognostic modelCost-effectiveness studiesPotential clinical valueAdjuvant treatmentBreast cancer biomarkersCurrent guidelinesPractice guidelinesClinical utilityClinical valueTumor markersStage IPrognostic modelPrognostic testClinical useCorrelation of intratumor gene expression heterogeneity with chemotherapy sensitivity in breast cancer.
Natowicz R, Jiang T, Shi W, Qi Y, Delpech Y, Symmans W, Pusztai L. Correlation of intratumor gene expression heterogeneity with chemotherapy sensitivity in breast cancer. Journal Of Clinical Oncology 2013, 31: 1013-1013. DOI: 10.1200/jco.2013.31.15_suppl.1013.Peer-Reviewed Original ResearchPathologic complete responseBasal-like cancersBreast cancerNeoadjuvant chemotherapyChemotherapy sensitivityCancer subtypesLuminal B cancersDifferent molecular subtypesBreast cancer subtypesB cancersComplete responseLuminal cancersResidual diseaseMolecular subtypesStage ICancerGene signatureGreat heterogeneitySubtypesTumor heterogeneityChemotherapySignificant differences
2012
Elevated serum P1NP predicts development of bone metastasis and survival in early-stage breast cancer
Dean-Colomb W, Hess KR, Young E, Gornet TG, Handy BC, Moulder SL, Ibrahim N, Pusztai L, Booser D, Valero V, Hortobagyi GN, Esteva FJ. Elevated serum P1NP predicts development of bone metastasis and survival in early-stage breast cancer. Breast Cancer Research And Treatment 2012, 137: 631-636. PMID: 23242617, PMCID: PMC3867793, DOI: 10.1007/s10549-012-2374-0.Peer-Reviewed Original ResearchConceptsBreast cancerBone metastasesStage IP1NP levelsSerum levelsIL-6Procollagen type I N-terminal propeptideType I N-terminal propeptideCox proportional hazards regression analysisProportional hazards regression analysisEarly-stage breast cancerPoor OS rateSerum P1NP levelsKaplan-Meier methodOverall survival rateHazards regression analysisLower overall survivalBone metastasis developmentBreast cancer metastasisBlood sample collectionN-terminal propeptideAdvanced diseaseOverall survivalOS ratesSerum P1NPEvaluation of circulating biomarkers of bone metastases in early-stage breast cancer.
Dean-Colomb W, Hess K, Young E, Gornet T, Handy B, Moulder S, Ibrahim N, Pusztai L, Booser D, Valero V, Hortobagyi G, Esteva F. Evaluation of circulating biomarkers of bone metastases in early-stage breast cancer. Journal Of Clinical Oncology 2012, 30: 10-10. DOI: 10.1200/jco.2012.30.30_suppl.10.Peer-Reviewed Original ResearchP1NP levelsBreast cancerStage IInterleukin-6Cox proportional hazards regression analysisStage IV breast cancerElecsys 2010Proportional hazards regression analysisKaplan-Meier methodTime of diagnosisHazards regression analysisWorse overall survivalBone metastasis developmentProcollagen type 1Breast cancer recurrenceRoche Elecsys 2010Advanced diseaseMetastatic diseaseOverall survivalBone metastasesClinical factorsSerum levelsSerum P1NPBone turnoverBiomarker levelsProgression of genomic signatures in local and metastatic estrogen receptor-positive (ER+) breast cancer: Relevance to palliative treatment.
Symmans W, Andreopoulou E, Booser D, Hatzis C, Wallace M, Zhang Y, Gong Y, Ignatiadis M, Sotiriou C, Andre F, Peintinger F, Regitnig P, Marth C, Desmedt C, Loi S, Moulder S, Hortobagyi G, Pusztai L, Valero V. Progression of genomic signatures in local and metastatic estrogen receptor-positive (ER+) breast cancer: Relevance to palliative treatment. Journal Of Clinical Oncology 2012, 30: 515-515. DOI: 10.1200/jco.2012.30.15_suppl.515.Peer-Reviewed Original ResearchProgression-free survivalOverall survivalBreast cancerHormonal therapyStage IIBStage IIIMetastatic estrogen receptor-positive breast cancerStage IVGenomic subtypesEstrogen receptor-positive breast cancerStage progressionReceptor-positive breast cancerPalliative hormonal therapyAJCC stage ICox regression analysisHigh-risk subtypesClinical progressionStage IIARisk subtypesBiopsy samplesStage IStaging methodMBC samplesTreatment typeCancerMutation profiling identifies numerous rare drug targets and distinct mutation patterns in different clinical subtypes of breast cancers
Santarpia L, Qi Y, Stemke-Hale K, Wang B, Young EJ, Booser DJ, Holmes FA, O’Shaughnessy J, Hellerstedt B, Pippen J, Vidaurre T, Gomez H, Valero V, Hortobagyi GN, Symmans WF, Bottai G, Di Leo A, Gonzalez-Angulo AM, Pusztai L. Mutation profiling identifies numerous rare drug targets and distinct mutation patterns in different clinical subtypes of breast cancers. Breast Cancer Research And Treatment 2012, 134: 333-343. PMID: 22538770, PMCID: PMC3885980, DOI: 10.1007/s10549-012-2035-3.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerBreast cancer subtypesBreast cancerPIK3CA mutationsCancer subtypesEstrogen receptor-positive cancersBreast cancer molecular subtypesMajor breast cancer subtypesSingle needle biopsyProspective clinical trialsReceptor-positive cancersDifferent breast cancer subtypesDifferent clinical subtypesNegative breast cancerCancer molecular subtypesFine-needle aspirationMutation patternsClinical subtypesClinical trialsNeedle biopsyMolecular subtypesNeedle aspirationInvestigational drugsStage IFBXW7 mutationsAgreement in Risk Prediction Between the 21‐Gene Recurrence Score Assay (Oncotype DX®) and the PAM50 Breast Cancer Intrinsic Classifier™ in Early‐Stage Estrogen Receptor–Positive Breast Cancer
Kelly CM, Bernard PS, Krishnamurthy S, Wang B, Ebbert MT, Bastien RR, Boucher KM, Young E, Iwamoto T, Pusztai L. Agreement in Risk Prediction Between the 21‐Gene Recurrence Score Assay (Oncotype DX®) and the PAM50 Breast Cancer Intrinsic Classifier™ in Early‐Stage Estrogen Receptor–Positive Breast Cancer. The Oncologist 2012, 17: 492-498. PMID: 22418568, PMCID: PMC3336833, DOI: 10.1634/theoncologist.2012-0007.Peer-Reviewed Original ResearchConceptsBreast cancerEstrogen receptorEarly-stage estrogen receptor-positive breast cancerRisk assignmentHuman epidermal growth factor receptor 2 (HER2) expressionEpidermal growth factor receptor 2 expressionEstrogen receptor-positive breast cancerReceptor-positive breast cancerIntermediate RS groupLuminal B cancersReceptor 2 expressionLow-risk categoryQuantitative polymerase chain reactionB cancersMore patientsPolymerase chain reactionIntermediate RSLower riskStage IRS groupCancerPAM50Risk categoriesRisk predictionChain reactionAdjuvant therapy in stage I carcinoma of the breast
Schwartz GF, Reis‐Fihlo J, Pusztai L, Fentiman IS, Holland R, Bartelink H, Rutgers EJ, Solin LJ, Palazzo J, Committee A. Adjuvant therapy in stage I carcinoma of the breast. Cancer 2012, 118: 2031-2038. PMID: 22392361, DOI: 10.1002/cncr.27431.Peer-Reviewed Original ResearchConceptsStage I breast cancerI breast cancerBreast cancerAdjuvant therapyConsensus conferenceStage ILymph node-negative breast cancerNode-negative breast cancerKimmel Cancer CenterAdjuvant chemotherapyAdjuvant hormonesAdjuvant treatmentCancer CenterClinical trialsThomas Jefferson UniversityTreatment criteriaTreatment decisionsIndividual tumorsCancerGenetic factorsChemotherapyMolecular phenotypingTherapyHormoneCurrent data
2010
Gene Pathways Associated With Prognosis and Chemotherapy Sensitivity in Molecular Subtypes of Breast Cancer
Iwamoto T, Bianchini G, Booser D, Qi Y, Coutant C, Shiang CY, Santarpia L, Matsuoka J, Hortobagyi GN, Symmans WF, Holmes FA, O’Shaughnessy J, Hellerstedt B, Pippen J, Andre F, Simon R, Pusztai L. Gene Pathways Associated With Prognosis and Chemotherapy Sensitivity in Molecular Subtypes of Breast Cancer. Journal Of The National Cancer Institute 2010, 103: 264-272. PMID: 21191116, DOI: 10.1093/jnci/djq524.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantConfounding Factors, EpidemiologicCytochrome P-450 Enzyme InhibitorsCytochrome P-450 Enzyme SystemDatabases, GeneticDrug Resistance, NeoplasmFemaleGene Expression Regulation, NeoplasticGTP-Binding ProteinsHumansMiddle AgedNeoadjuvant TherapyNeoplasm StagingPredictive Value of TestsPrognosisReceptors, EstrogenSignal TransductionTreatment OutcomeConceptsER-negative breast cancerPathological complete responseER-positive cancersER-negative cancersBreast cancerChemotherapy responseComplete responseBetter prognosisChemotherapy sensitivityLymph node-negative breast cancerNode-negative breast cancerSystemic adjuvant therapyCell cycle-related gene setsBreast cancer subtypesIngenuity Pathway AnalysisAdjuvant therapyPreoperative chemotherapyPoor prognosisPooled analysisEstrogen receptorTreatment responseMolecular subtypesAdditional cohortPrognosisStage I