2024
Phase III Randomized, Placebo-Controlled Trial of Endocrine Therapy ± 1 Year of Everolimus in Patients With High-Risk, Hormone Receptor-Positive, Early-Stage Breast Cancer.
Chavez-MacGregor M, Miao J, Pusztai L, Goetz M, Rastogi P, Ganz P, Mamounas E, Paik S, Bandos H, Razaq W, O'Dea A, Kaklamani V, Silber A, Flaum L, Andreopoulou E, Wendt A, Carney J, Sharma P, Gralow J, Lew D, Barlow W, Hortobagyi G. Phase III Randomized, Placebo-Controlled Trial of Endocrine Therapy ± 1 Year of Everolimus in Patients With High-Risk, Hormone Receptor-Positive, Early-Stage Breast Cancer. Journal Of Clinical Oncology 2024, jco2302344. PMID: 38833643, DOI: 10.1200/jco.23.02344.Peer-Reviewed Original ResearchInvasive disease-free survivalHormone receptor-positiveEndocrine therapyOverall survivalBreast cancerHazard ratioReceptor-positiveHigh riskSubset analysisHormone receptor-positive metastatic breast cancerRisk groupsHormone receptor-positive BCEarly-stage breast cancerStratified log-rank testProgression-free survivalEfficacy of everolimusDisease-free survivalMetastatic breast cancerPlacebo-controlled trialSecondary end pointsLog-rank testHighest grade 3Treatment completion ratesPhase IIIEverolimus armCurrent management practices of de novo oligometastatic breast cancer: Real-world data from a physician survey.
Odzer N, Pusztai L, Rozenblit M. Current management practices of de novo oligometastatic breast cancer: Real-world data from a physician survey. Journal Of Clinical Oncology 2024, 42: 1104-1104. DOI: 10.1200/jco.2024.42.16_suppl.1104.Peer-Reviewed Original ResearchMultimodal therapySurgical resectionOverall survivalPrimary tumorRandomized trialsResponse to initial chemotherapyTreated with multimodality therapyOligometastatic breast cancerRecommended surgical resectionLocally advanced cancerPalliative systemic chemotherapyProlonged overall survivalTime of diagnosisRandomized clinical trialsOS benefitSystemic chemotherapyInitial chemotherapyResidual lesionsSurvival benefitNCCN GuidelinesReceptor subtypesRetrospective studyTreatment modalitiesMetastatic cancerAblative radiationTROPION-Breast03: a randomized phase III global trial of datopotamab deruxtecan ± durvalumab in patients with triple-negative breast cancer and residual invasive disease at surgical resection after neoadjuvant therapy
Bardia A, Pusztai L, Albain K, Ciruelos E, Im S, Hershman D, Kalinsky K, Isaacs C, Loirat D, Testa L, Tokunaga E, Wu J, Dry H, Barlow W, Kozarski R, Maxwell M, Harbeck N, Sharma P. TROPION-Breast03: a randomized phase III global trial of datopotamab deruxtecan ± durvalumab in patients with triple-negative breast cancer and residual invasive disease at surgical resection after neoadjuvant therapy. Therapeutic Advances In Medical Oncology 2024, 16: 17588359241248336. PMID: 38686016, PMCID: PMC11057345, DOI: 10.1177/17588359241248336.Peer-Reviewed Original ResearchInvasive disease-free survivalResidual invasive diseasePathological complete responseTriple-negative breast cancerDisease-free survivalNeoadjuvant therapyInvasive diseaseSurgical resectionBreast cancerHigh risk of disease recurrenceTopoisomerase I inhibitor payloadRisk of disease recurrenceStandard-of-care therapyAdjuvant treatment approachesPhase III studyTreatment of patientsWritten informed consentAntibody-drug conjugatesAged 18-yearsComplete responseNeoadjuvant treatmentInstitutional review boardOverall survivalDisease recurrenceIII studies
2023
Neoadjuvant Immunotherapy in Early, Triple-Negative Breast Cancers: Catching Up with the Rest
Kim L, Coman M, Pusztai L, Park T. Neoadjuvant Immunotherapy in Early, Triple-Negative Breast Cancers: Catching Up with the Rest. Annals Of Surgical Oncology 2023, 30: 6441-6449. PMID: 37349612, DOI: 10.1245/s10434-023-13714-x.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerTumor mutational burdenBreast cancerAdjuvant therapyPathological complete response rateImmune checkpoint modulationComplete response rateExcellent clinical outcomesCombination immunochemotherapyNeoadjuvant immunotherapyNeoadjuvant settingNeoadjuvant chemotherapyOverall survivalPD-L1Checkpoint modulationClinical outcomesMajor trialsMutational burdenResponse rateCancer typesCancerTherapyBiomarkersOutcomesExciting advancesComparing the prognostic and predictive utility of serum thymidine kinase 1 and CA 15-3 in patients with hormone receptor positive metastatic breast cancer starting first-line endocrine therapy in SWOG S0226.
Cobain E, Barlow W, Paoletti C, Bergqvist M, Williams A, Ritzen H, Mehta R, Gralow J, Hortobagyi G, Albain K, Pusztai L, Sharma P, Godwin A, Thompson A, Hayes D, Rae J. Comparing the prognostic and predictive utility of serum thymidine kinase 1 and CA 15-3 in patients with hormone receptor positive metastatic breast cancer starting first-line endocrine therapy in SWOG S0226. Journal Of Clinical Oncology 2023, 41: 1076-1076. DOI: 10.1200/jco.2023.41.16_suppl.1076.Peer-Reviewed Original ResearchProgression-free survivalMetastatic breast cancerThymidine kinase 1 activityHormone receptor-positive metastatic breast cancerPositive metastatic breast cancerOverall survivalEndocrine therapyCA 15Breast cancerCA15-3Predictors of PFSFirst-line endocrine therapySubsequent progression-free survivalWorse progression-free survivalSerum thymidine kinase 1Systemic endocrine therapyMultivariable Cox modelCox regression analysisWorse overall survivalHypothesis-generating dataCycles of treatmentTamoxifen useSystemic therapySerum levelsMultivariable analysisCorrelation of HER2 low status in I-SPY2 with molecular subtype, response, and survival.
Rugo H, Wolf D, Yau C, Petricoin E, Pohlmann P, Pusztai L, Symmans W, Borowsky A, Finestone S, Yee D, Hylton N, van 't Veer L, Esserman L, DeMichele A. Correlation of HER2 low status in I-SPY2 with molecular subtype, response, and survival. Journal Of Clinical Oncology 2023, 41: 514-514. DOI: 10.1200/jco.2023.41.16_suppl.514.Peer-Reviewed Original ResearchDistant recurrence-free survivalPathologic complete responseBreast cancerFisher's exact testExact testMolecular subtypesHER2-negative breast cancerHigh-risk breast cancerRisk breast cancerMetastatic breast cancerRecurrence-free survivalTN breast cancerRecurrence-free survival dataCox proportional hazardsHER2 gene amplificationI-SPY2TN diseaseFree survivalOverall survivalComplete responseHazard ratioTrastuzumab deruxtecanEndocrine sensitivityT-DXdTreatment armsThymidine 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 biomarkersTumor-Derived Extracellular Vesicles as Complementary Prognostic Factors to Circulating Tumor Cells in Metastatic Breast Cancer
Nanou A, Miao J, Coumans F, Dolce E, Darga E, Barlow W, Smerage J, Paoletti C, Godwin A, Pusztai L, Sharma P, Thompson A, Hortobagyi G, Terstappen L, Hayes D. Tumor-Derived Extracellular Vesicles as Complementary Prognostic Factors to Circulating Tumor Cells in Metastatic Breast Cancer. JCO Precision Oncology 2023, 7: e2200372. PMID: 36634296, PMCID: PMC9928629, DOI: 10.1200/po.22.00372.Peer-Reviewed Original ResearchConceptsCycles of chemotherapyMetastatic breast cancerTumor-derived extracellular vesiclesOverall survivalBreast cancerTumor cellsExtracellular vesiclesComplementary prognostic factorComplementary prognostic valuePoor overall survivalAdditional prognostic biomarkerLonger OSPrognostic factorsPrognostic significanceCTC countPrognostic valuePrognostic biomarkerChemotherapyCancerPatientsCTCsCellsBiomarkers
2022
Clinical Outcomes and Immune Markers by Race in a Phase I/II Clinical Trial of Durvalumab Concomitant with Neoadjuvant Chemotherapy in Early-Stage TNBC.
Foldi J, Kahn A, Silber A, Qing T, Reisenbichler E, Fischbach N, Persico J, Adelson K, Katoch A, Chagpar A, Park T, Blanchard A, Blenman K, Rimm DL, Pusztai L. Clinical Outcomes and Immune Markers by Race in a Phase I/II Clinical Trial of Durvalumab Concomitant with Neoadjuvant Chemotherapy in Early-Stage TNBC. Clinical Cancer Research 2022, 28: 3720-3728. PMID: 35903931, PMCID: PMC9444984, DOI: 10.1158/1078-0432.ccr-22-0862.Peer-Reviewed Original ResearchConceptsImmune-related adverse eventsTriple-negative breast cancerNon-AA patientsEvent-free survivalPhase I/II clinical trialsClinical trialsNeoadjuvant chemotherapyOverall survivalAA patientsEarly-stage triple-negative breast cancerIncidence of irAEsPathologic complete response rateSignificant associationMultivariate logistic regression analysisTumor-infiltrating lymphocyte countsComplete response ratePrimary efficacy endpointPD-L1 statusProportional hazards modelLogistic regression analysisAfrican American womenEFS ratesNeoadjuvant immunotherapyEfficacy endpointAdverse eventsClinical outcomes and immune markers by race in a phase I/II clinical trial of durvalumab concomitant with neoadjuvant chemotherapy in early-stage TNBC.
Foldi J, Kahn A, Silber A, Qing T, Reisenbichler E, Fischbach N, Persico J, Adelson K, Katoch A, Chagpar A, Park T, Blanchard A, Blenman K, Rimm D, Pusztai L. Clinical outcomes and immune markers by race in a phase I/II clinical trial of durvalumab concomitant with neoadjuvant chemotherapy in early-stage TNBC. Journal Of Clinical Oncology 2022, 40: 516-516. DOI: 10.1200/jco.2022.40.16_suppl.516.Peer-Reviewed Original ResearchImmune-related adverse eventsTriple-negative breast cancerMultivariate logistic regression analysisPD-L1 statusLogistic regression analysisAA raceOverall survivalPathologic responseClinical trialsBreast cancerEarly-stage triple-negative breast cancerIncidence of irAEsPhase I/II trialPathologic complete response rateSignificant associationPhase I/II clinical trialsBaseline body mass indexSafety of immunotherapyWeekly nab-paclitaxelCharlson Comorbidity IndexComplete response ratePrimary efficacy endpointPD-L1 expressionBody mass indexBreast cancer recurrence
2021
A Randomized Trial of Fulvestrant, Everolimus, and Anastrozole for the Front-line Treatment of Patients with Advanced Hormone Receptor–positive Breast Cancer, SWOG S1222SWOG S1222
Moore HCF, Barlow WE, Somlo G, Gralow JR, Schott AF, Hayes DF, Kuhn P, Hicks JB, Welter L, Dy PA, Yeon CH, Conlin AK, Balcueva E, Lew DL, Tripathy D, Pusztai L, Hortobagyi GN. A Randomized Trial of Fulvestrant, Everolimus, and Anastrozole for the Front-line Treatment of Patients with Advanced Hormone Receptor–positive Breast Cancer, SWOG S1222SWOG S1222. Clinical Cancer Research 2021, 28: 611-617. PMID: 34844978, PMCID: PMC9782801, DOI: 10.1158/1078-0432.ccr-21-3131.Peer-Reviewed Original ResearchConceptsProgression-free survivalHER2-negative breast cancerFirst-line treatmentBreast cancerAdvanced hormone receptor-positive breast cancerAdvanced hormone-sensitive breast cancerHER2-negative advanced breast cancerHormone receptor-positive breast cancerHormone-sensitive breast cancerRandomized placebo-controlled trialReceptor-positive breast cancerCombination endocrine therapyMetastatic hormone receptorPlacebo-controlled trialAdvanced breast cancerMainstay of treatmentFront-line treatmentBaseline CTCsEndocrine therapyEndocrine treatmentPostmenopausal womenMetastatic diseaseOverall survivalPrognostic impactSystemic therapyEvaluating Serum Thymidine Kinase 1 in Hormone Receptor Positive Metastatic Breast Cancer Patients Receiving First Line Endocrine Therapy in the SWOG S0226 Trial
Paoletti C, Barlow WE, Cobain EF, Bergqvist M, Mehta RS, Gralow JR, Hortobagyi GN, Albain KS, Pusztai L, Sharma P, Godwin AK, Thompson AM, Hayes DF, Rae JM. Evaluating Serum Thymidine Kinase 1 in Hormone Receptor Positive Metastatic Breast Cancer Patients Receiving First Line Endocrine Therapy in the SWOG S0226 Trial. Clinical Cancer Research 2021, 27: clincanres.1562.2021. PMID: 34521624, PMCID: PMC8595696, DOI: 10.1158/1078-0432.ccr-21-1562.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsClinical Trials as TopicFemaleHumansKaplan-Meier EstimateMiddle AgedPrognosisReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneRetrospective StudiesThymidine KinaseTreatment OutcomeConceptsProgression-free survivalMetastatic breast cancerFirst-line endocrine therapyOverall survivalEndocrine therapyHormone receptor-positive metastatic breast cancer patientsHormone receptor-positive metastatic breast cancerPositive metastatic breast cancer patientsSubsequent progression-free survivalMetastatic breast cancer patientsWorse progression-free survivalCombination endocrine therapySerum thymidine kinase 1Trial of anastrozoleThymidine kinase 1 activityBreast cancer patientsLog-rank testLine endocrine therapyDu/LAdjuvant tamoxifenPrognostic effectCox regressionPoor prognosisWorse prognosisKaplan-Meier
2020
Overall Survival of CDK4/6-Inhibitor–Based Treatments in Clinically Relevant Subgroups of Metastatic Breast Cancer: Systematic Review and Meta-Analysis
Schettini F, Giudici F, Giuliano M, Cristofanilli M, Arpino G, Del Mastro L, Puglisi F, De Placido S, Paris I, De Placido P, Venturini S, De Laurentis M, Conte P, Juric D, Llombart-Cussac A, Pusztai L, Prat A, Jerusalem G, Di Leo A, Generali D. Overall Survival of CDK4/6-Inhibitor–Based Treatments in Clinically Relevant Subgroups of Metastatic Breast Cancer: Systematic Review and Meta-Analysis. Journal Of The National Cancer Institute 2020, 112: 1089-1097. PMID: 32407488, PMCID: PMC7669227, DOI: 10.1093/jnci/djaa071.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsClinical Trials, Phase II as TopicClinical Trials, Phase III as TopicCyclin-Dependent Kinase 4Cyclin-Dependent Kinase 6FemaleHumansLetrozoleNeoplasm MetastasisPiperazinesProtein Kinase InhibitorsPyridinesRandomized Controlled Trials as TopicConceptsSecond-line therapyMetastatic breast cancerEndocrine therapyCDK4/6 inhibitorsVisceral involvementBreast cancerPostmenopausal metastatic breast cancerAvailable phase IIChemotherapy-naïve patientsClear OS benefitSpecific clinical subgroupsProgression-free survivalOverall survival dataBreast cancer prognosisStudy-level factorsCyclin-dependent kinase 4Random-effects modelSystematic literature searchEndocrine monotherapyOS benefitOS independentOverall survivalUpfront therapyMenopausal statusMetastatic sitesGene 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
2019
Validation of the DNA Damage Immune Response Signature in Patients With Triple-Negative Breast Cancer From the SWOG 9313c Trial.
Sharma P, Barlow WE, Godwin AK, Parkes EE, Knight LA, Walker SM, Kennedy RD, Harkin DP, Logan GE, Steele CJ, Lambe SM, Badve S, Gökmen-Polar Y, Pathak HB, Isakova K, Linden HM, Porter P, Pusztai L, Thompson AM, Tripathy D, Hortobagyi GN, Hayes DF. Validation of the DNA Damage Immune Response Signature in Patients With Triple-Negative Breast Cancer From the SWOG 9313c Trial. Journal Of Clinical Oncology 2019, 37: 3484-3492. PMID: 31657982, PMCID: PMC7194448, DOI: 10.1200/jco.19.00693.Peer-Reviewed Original ResearchConceptsStromal tumor-infiltrating lymphocytesTriple-negative breast cancerDisease-free survivalOverall survivalImmune response signaturesBreast cancerEarly-stage triple-negative breast cancerThree-year disease-free survivalParaffin-embedded tumor tissueThird of patientsTumor-infiltrating lymphocytesSubgroup of patientsCox regression modelResponse signatureAdjuvant ACAdjuvant doxorubicinSTIL densityT2N0 diseaseAC chemotherapyNodal statusPrognostic roleImproved prognosisPrognostic valueTumor sizePrognostic marker
2018
CD68, CD163, and matrix metalloproteinase 9 (MMP-9) co-localization in breast tumor microenvironment predicts survival differently in ER-positive and -negative cancers
Pelekanou V, Villarroel-Espindola F, Schalper KA, Pusztai L, Rimm DL. CD68, CD163, and matrix metalloproteinase 9 (MMP-9) co-localization in breast tumor microenvironment predicts survival differently in ER-positive and -negative cancers. Breast Cancer Research 2018, 20: 154. PMID: 30558648, PMCID: PMC6298021, DOI: 10.1186/s13058-018-1076-x.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, CDAntigens, Differentiation, MyelomonocyticAntineoplastic AgentsBiomarkers, TumorBreastBreast NeoplasmsDisease-Free SurvivalFemaleGene Expression Regulation, NeoplasticHumansMacrophagesMatrix Metalloproteinase 9Middle AgedPatient SelectionPrognosisReceptors, Cell SurfaceReceptors, EstrogenRetrospective StudiesSurvival AnalysisTissue Array AnalysisTumor MicroenvironmentConceptsTumor-associated macrophagesOverall survivalQuantitative immunofluorescenceMacrophage markersBreast cancerHigh expressionPan-macrophage marker CD68Triple-negative breast cancerCD163/CD68Multiplexed quantitative immunofluorescenceImproved overall survivalProtein expressionWorse overall survivalPoor overall survivalMMP-9 protein expressionSubclass of patientsMacrophage-targeted therapiesMatrix metalloproteinase-9Tissue microarray formatMMP-9 proteinBreast tumor microenvironmentModulator of responseParaffin-embedded tissuesBreast cancer biomarkersCohort BLong‐Term Survival of De Novo Stage IV Human Epidermal Growth Receptor 2 (HER2) Positive Breast Cancers Treated with HER2‐Targeted Therapy
Wong Y, Raghavendra AS, Hatzis C, Irizarry JP, Vega T, Horowitz N, Barcenas CH, Chavez‐MacGregor M, Valero V, Tripathy D, Pusztai L, Murthy RK. Long‐Term Survival of De Novo Stage IV Human Epidermal Growth Receptor 2 (HER2) Positive Breast Cancers Treated with HER2‐Targeted Therapy. The Oncologist 2018, 24: 313-318. PMID: 30139836, PMCID: PMC6519755, DOI: 10.1634/theoncologist.2018-0213.Peer-Reviewed Original ResearchConceptsDe novo stage IVProgression-free survivalMetastatic breast cancerHigher progression-free survivalPositive metastatic breast cancerExcellent long-term outcomesOverall survivalLong-term outcomesNED statusBreast cancerStage IVOS ratesLocoregional therapyRandomized studyDe novo stage IV diseaseDisease statusHER2-Targeted TherapyMedian overall survivalStage IV diseaseFirst-line therapyTrastuzumab-based therapyEstrogen receptor-positive statusPositive breast cancerImportant therapeutic goalNED patients
2017
Revisiting the definition of estrogen receptor positivity in HER2-negative primary breast cancer
Fujii T, Kogawa T, Dong W, Sahin AA, Moulder S, Litton JK, Tripathy D, Iwamoto T, Hunt KK, Pusztai L, Lim B, Shen Y, Ueno NT. Revisiting the definition of estrogen receptor positivity in HER2-negative primary breast cancer. Annals Of Oncology 2017, 28: 2420-2428. PMID: 28961844, PMCID: PMC5834134, DOI: 10.1093/annonc/mdx397.Peer-Reviewed Original ResearchConceptsHER2-negative primary breast cancerAdjuvant hormonal therapyPrimary breast cancerTriple-negative breast cancerEstrogen receptor positivityHormonal therapyBreast cancerER expressionNeoadjuvant chemotherapyOverall survivalReceptor positivityPathological complete response rateHER2-negative breast cancerStage IIHuman epidermal growth factor 2Better long-term outcomesEpidermal growth factor 2Complete response rateProgesterone receptor expressionLong-term outcomesNegative breast cancerTerms of pCRLogistic regression modelsDefinitive surgeryGrowth factor 2Association 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 variablesNCDBLong-term survival of de novo stage IV human epidermal growth factor receptor 2 (HER2)-positive breast cancers treated with HER2 targeted therapy.
Wong Y, Raghavendra A, Hatzis C, Irizarry J, Vega T, Barcenas C, Chavez-Mac Gregor M, Valero V, Tripathy D, Pusztai L, Murthy R. Long-term survival of de novo stage IV human epidermal growth factor receptor 2 (HER2)-positive breast cancers treated with HER2 targeted therapy. Journal Of Clinical Oncology 2017, 35: 1021-1021. DOI: 10.1200/jco.2017.35.15_suppl.1021.Peer-Reviewed Original ResearchProgression-free survivalLonger progression-free survivalPositive breast cancerHER2-positive cancersMedian OSNED patientsOS ratesFree survivalOverall survivalPositive cancersBreast cancerDe novo stage IV diseaseHuman epidermal growth factor receptor 2HER2-positive breast cancerEpidermal growth factor receptor 2MD Anderson Cancer CenterStage IV diseaseAggressive multimodality therapyEvidence of diseaseFirst-line therapyGrowth factor receptor 2Year of diagnosisEarly-stage patientsAnderson Cancer CenterLong-term survival