2023
Thymidine kinase activity levels in serum can identify HR+ metastatic breast cancer patients with a low risk of early progression (SWOG S0226)
Bergqvist M, Nordmark A, Williams A, Paoletti C, Barlow W, Cobain E, Mehta R, Gralow J, Hortobagyi G, Albain K, Pusztai L, Sharma P, Godwin A, Thompson A, Hayes D, Rae J. Thymidine kinase activity levels in serum can identify HR+ metastatic breast cancer patients with a low risk of early progression (SWOG S0226). Biomarkers 2023, 28: 313-322. PMID: 36647745, PMCID: PMC10681159, DOI: 10.1080/1354750x.2023.2168063.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerNegative predictive valueEndocrine therapyThymidine kinase activityLower riskSingle-agent endocrine therapyMetastatic breast cancer patientsLonger progression-free survivalHigh negative predictive valueProgression-free survivalBreast cancer patientsSerum thymidine kinase activityAdditional therapyOverall survivalSuch patientsCancer patientsBlood drawEarly progressionDisease progressionRapid progressionBreast cancerPatientsSubsequent timepointsPredictive valuePotential biomarkers
2022
Event-free Survival with Pembrolizumab in Early Triple-Negative Breast Cancer
Schmid P, Cortes J, Dent R, Pusztai L, McArthur H, Kümmel S, Bergh J, Denkert C, Park YH, Hui R, Harbeck N, Takahashi M, Untch M, Fasching PA, Cardoso F, Andersen J, Patt D, Danso M, Ferreira M, Mouret-Reynier MA, Im SA, Ahn JH, Gion M, Baron-Hay S, Boileau JF, Ding Y, Tryfonidis K, Aktan G, Karantza V, O'Shaughnessy J. Event-free Survival with Pembrolizumab in Early Triple-Negative Breast Cancer. New England Journal Of Medicine 2022, 386: 556-567. PMID: 35139274, DOI: 10.1056/nejmoa2112651.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntibodies, Monoclonal, HumanizedAntineoplastic Agents, ImmunologicalAntineoplastic Combined Chemotherapy ProtocolsChemotherapy, AdjuvantFemaleHumansIntention to Treat AnalysisKaplan-Meier EstimateMiddle AgedNeoadjuvant TherapyProgression-Free SurvivalTriple Negative Breast NeoplasmsConceptsEarly triple-negative breast cancerTriple-negative breast cancerEvent-free survivalCycles of pembrolizumabPathological complete responseDefinitive surgeryBreast cancerNeoadjuvant chemotherapyComplete responseLonger event-free survivalUntreated stage IIPrimary end pointPhase 3 trialSecond primary cancerDoxorubicin-cyclophosphamideNeoadjuvant pembrolizumabNeoadjuvant phaseAdjuvant therapyDistant recurrenceNeoadjuvant therapyAdverse eventsPrimary cancerSafety profileDisease progressionPembrolizumab
2018
Immunological differences between primary and metastatic breast cancer
Szekely B, Bossuyt V, Li X, Wali VB, Patwardhan GA, Frederick C, Silber A, Park T, Harigopal M, Pelekanou V, Zhang M, Yan Q, Rimm DL, Bianchini G, Hatzis C, Pusztai L. Immunological differences between primary and metastatic breast cancer. Annals Of Oncology 2018, 29: 2232-2239. PMID: 30203045, DOI: 10.1093/annonc/mdy399.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAntineoplastic Agents, ImmunologicalB7-H1 AntigenBiomarkers, TumorBiopsyBreast NeoplasmsDisease ProgressionDrug Resistance, NeoplasmFemaleGene Expression RegulationHumansImmunologic SurveillanceLymphocyte CountLymphocytes, Tumor-InfiltratingMiddle AgedMutation RateTumor EscapeTumor MicroenvironmentYoung AdultConceptsMetastatic breast cancerBreast cancerTherapeutic targetToll-like receptor pathway genesImmuno-oncology therapeutic targetsBreast cancer evolvesImmune proteasome expressionPD-L1 positivityCorresponding primary tumorsPotential therapeutic targetMHC class IImmune-related genesMetastatic cancer samplesLigand/receptor pairLymphocyte countT helperT-regsPD-L1Immune microenvironmentCytotoxic TPrimary tumorMastoid cellsDisease progressionTherapeutic combinationsMacrophage markers
2017
Phylogenetic analysis of metastatic progression in breast cancer using somatic mutations and copy number aberrations
Brown D, Smeets D, Székely B, Larsimont D, Szász AM, Adnet PY, Rothé F, Rouas G, Nagy ZI, Faragó Z, Tőkés AM, Dank M, Szentmártoni G, Udvarhelyi N, Zoppoli G, Pusztai L, Piccart M, Kulka J, Lambrechts D, Sotiriou C, Desmedt C. Phylogenetic analysis of metastatic progression in breast cancer using somatic mutations and copy number aberrations. Nature Communications 2017, 8: 14944. PMID: 28429735, PMCID: PMC5474888, DOI: 10.1038/ncomms14944.Peer-Reviewed Original ResearchConceptsDistant metastasisPrimary tumorClonal frequency analysisMultiple metastatic lesionsBreast cancer disseminationBreast cancer progressionSomatic mutationsWhole-exome sequencingAvailable metastasesMetastatic lesionsMetastatic precursorsPrimary lesionMetastatic tumorsDisease progressionBreast cancerPatterns of disseminationMetastasisMetastatic progressionCancer disseminationPatientsCancer progressionCopy number profilingCopy number aberrationsTumorsMonoclonal origin
2016
miR-34a Silences c-SRC to Attenuate Tumor Growth in Triple-Negative Breast Cancer
Adams BD, Wali VB, Cheng CJ, Inukai S, Booth CJ, Agarwal S, Rimm DL, Győrffy B, Santarpia L, Pusztai L, Saltzman WM, Slack FJ. miR-34a Silences c-SRC to Attenuate Tumor Growth in Triple-Negative Breast Cancer. Cancer Research 2016, 76: 927-939. PMID: 26676753, PMCID: PMC4755913, DOI: 10.1158/0008-5472.can-15-2321.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerBreast cancerTumor growthMiR-34a replacement therapyTNBC cell linesDifferent TNBC subtypesPromising therapeutic strategyAttenuates tumor growthHuman clinical trialsMiRNA-profiling studiesMiR-34a levelsCell linesPotent antitumorigenic effectsMiR-34a targetsHuman tumor specimensC-SrcReplacement therapyTNBC subtypesAggressive subtypeTreatment optionsClinical trialsDisease progressionEffective therapyPatient outcomesC-Src inhibitor
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 identificationMastectomyDo experts agree on how to assess disease progression (DP) and progression-free survival (PFS) in phase III trials? A survey with experts in breast cancer research.
Saad E, Katz A, Pusztai L, Hoff P, Buyse M. Do experts agree on how to assess disease progression (DP) and progression-free survival (PFS) in phase III trials? A survey with experts in breast cancer research. Journal Of Clinical Oncology 2010, 28: 1084-1084. DOI: 10.1200/jco.2010.28.15_suppl.1084.Peer-Reviewed Original ResearchEstrogen Receptor Expression and Docetaxel Efficacy in Patients with Metastatic Breast Cancer: A Pooled Analysis of Four Randomized Trials
Andre F, Broglio K, Pusztai L, Berrada N, Mackey JR, Nabholtz JM, Chan S, Hortobagyi GN. Estrogen Receptor Expression and Docetaxel Efficacy in Patients with Metastatic Breast Cancer: A Pooled Analysis of Four Randomized Trials. The Oncologist 2010, 15: 476-483. PMID: 20421265, PMCID: PMC3227977, DOI: 10.1634/theoncologist.2009-0150.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerEfficacy of docetaxelBreast cancerHigh response rateER expressionResponse rateEstrogen receptorHazard ratioRandomized trialsDisease progressionProgression-free survival timeCox proportional hazards modelDocetaxel-based regimenEstrogen receptor expressionProportional hazards modelEffect of docetaxelER- diseasePFS timeDocetaxel efficacyPooled analysisTumor responseReceptor expressionSurvival timeLower riskHazards model
2009
Impact of Progression during Neoadjuvant Chemotherapy on Operative Management of Breast Cancer.
Caudle A, Gonzalez-Angulo A, Hunt K, Kuerer H, Pusztai L, Kau S, Mittendorf E, Hortobagyi G, Meric-Bernstam F. Impact of Progression during Neoadjuvant Chemotherapy on Operative Management of Breast Cancer. Cancer Research 2009, 69: 1090-1090. DOI: 10.1158/0008-5472.sabcs-09-1090.Peer-Reviewed Original ResearchBreast-conserving therapyNeoadjuvant chemotherapyStable diseaseFirst regimenOperative managementDisease progressionBreast cancerSecond regimenMulti-disciplinary team membersImpact of progressionSecond chemotherapy regimenAdvanced breast cancerEarly-stage diseaseStandard of careBCT candidatesClinical lymphadenopathyUnderwent mastectomyChemotherapy regimenChemotherapy regimensLocal progressionStage diseaseFurther therapyClinicopathologic dataDistant metastasisMedical oncologistsEstrogen receptor expression and docetaxel efficacy in patients with metastatic breast cancer: A pooled analysis of four randomized trials
Mazouni C, André F, Broglio K, Pusztai L, Hortobagyi G. Estrogen receptor expression and docetaxel efficacy in patients with metastatic breast cancer: A pooled analysis of four randomized trials. Journal Of Clinical Oncology 2009, 27: 1046-1046. DOI: 10.1200/jco.2009.27.15_suppl.1046.Peer-Reviewed Original ResearchMetastatic breast cancerProgression-free survivalER-negative diseaseEfficacy of docetaxelBreast cancerER expressionResponse rateRandomized trialsDisease progressionEstrogen receptor-positive metastatic breast cancerPositive metastatic breast cancerCox proportional hazards modelTumor response rateER-positive patientsER-negative cancersEstrogen receptor expressionProportional hazards modelEffect of docetaxelHazard ratioDocetaxel efficacyPooled analysisTumor responseReceptor expressionHazards modelPatients
2008
Imatinib mesylate (Gleevec®) in advanced breast cancer-expressing C-Kit or PDGFR-β: clinical activity and biological correlations
Cristofanilli M, Morandi P, Krishnamurthy S, Reuben JM, Lee B, Francis D, Booser DJ, Green MC, Arun BK, Pusztai L, Lopez A, Islam R, Valero V, Hortobagyi GN. Imatinib mesylate (Gleevec®) in advanced breast cancer-expressing C-Kit or PDGFR-β: clinical activity and biological correlations. Annals Of Oncology 2008, 19: 1713-1719. PMID: 18515258, PMCID: PMC2735063, DOI: 10.1093/annonc/mdn352.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntineoplastic AgentsBenzamidesBreast NeoplasmsBreast Neoplasms, MaleCarcinoma, Ductal, BreastFemaleHumansImatinib MesylateImmunologic FactorsMaleMiddle AgedNeoplasm MetastasisPiperazinesProspective StudiesProtein Kinase InhibitorsProto-Oncogene Proteins c-kitPyrimidinesReceptor, Platelet-Derived Growth Factor betaConceptsMetastatic breast cancerPlatelet-derived growth factor receptorImatinib mesylateC-kitDisease progressionClinical activityB-fibroblast growth factorGrowth factorMedian overall survivalSerious adverse eventsPotential immunosuppressive effectsInterferon-gamma productionVascular endothelial growth factorAngiogenesis-related cytokinesEndothelial growth factorNovel molecular therapiesC-kit expressionGrowth factor receptorAdverse eventsObjective responseOverall survivalTreat analysisDismal prognosisMedian timeImmunomodulatory effects
2006
Bortezomib (VELCADE®) in metastatic breast cancer: pharmacodynamics, biological effects, and prediction of clinical benefits
Yang CH, Gonzalez-Angulo AM, Reuben JM, Booser DJ, Pusztai L, Krishnamurthy S, Esseltine D, Stec J, Broglio KR, Islam R, Hortobagyi GN, Cristofanilli M. Bortezomib (VELCADE®) in metastatic breast cancer: pharmacodynamics, biological effects, and prediction of clinical benefits. Annals Of Oncology 2006, 17: 813-817. PMID: 16403809, DOI: 10.1093/annonc/mdj131.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBone NeoplasmsBoronic AcidsBortezomibBreast NeoplasmsDisease ProgressionDisease-Free SurvivalFemaleHumansMaleMaximum Tolerated DoseMiddle AgedPleural NeoplasmsProtease InhibitorsPyrazinesReceptors, EstrogenReceptors, ProgesteroneSoft Tissue NeoplasmsSurvival RateTreatment OutcomeConceptsMetastatic breast cancerBreast cancerPlasma interleukin-6 levelsCommon grade 3Limited clinical activityClinical response ratePhase II studyInterleukin-6 levelsMedian survival timeWeek of restBroad antitumor activityStable diseaseII studyObjective responseSkin rashClinical effectsClinical benefitDisease progressionClinical activityGrade 3Pharmacodynamic dataSurvival timeMean inhibitionSingle agentResponse rateContinued Use of Trastuzumab (Herceptin) after Progression on Prior Trastuzumab Therapy in HER-2-Positive Metastatic Breast Cancer
Pusztai L, Esteva FJ. Continued Use of Trastuzumab (Herceptin) after Progression on Prior Trastuzumab Therapy in HER-2-Positive Metastatic Breast Cancer. Cancer Investigation 2006, 24: 187-191. PMID: 16619408, DOI: 10.1080/07357900500524629.Peer-Reviewed Original ResearchConceptsTrastuzumab therapyClinical trialsBreast cancerImportant unanswered clinical questionsLong-term side effectsContinuation of trastuzumabPrior trastuzumab therapyTrastuzumab-containing therapyUse of trastuzumabMetastatic breast cancerUnanswered clinical questionsPositive breast cancerRandomized clinical trialsTerm side effectsAccrue patientsMetastatic diseaseContinued administrationRandomized trialsControl armRegistry programDisease progressionClinical questionsSide effectsModest toxicityTrastuzumab