2021
Tucatinib versus placebo added to trastuzumab and capecitabine for patients with pretreated HER2+ metastatic breast cancer with and without brain metastases (HER2CLIMB): final overall survival analysis
Curigliano G, Mueller V, Borges V, Hamilton E, Hurvitz S, Loi S, Murthy R, Okines A, Paplomata E, Cameron D, Carey L, Gelmon K, Hortobagyi G, Krop I, Loibl S, Pegram M, Slamon D, Ramos J, Feng W, Winer E. Tucatinib versus placebo added to trastuzumab and capecitabine for patients with pretreated HER2+ metastatic breast cancer with and without brain metastases (HER2CLIMB): final overall survival analysis. Annals Of Oncology 2021, 33: 321-329. PMID: 34954044, DOI: 10.1016/j.annonc.2021.12.005.Peer-Reviewed Original ResearchConceptsProgression-free survivalMetastatic breast cancerPlacebo-combination groupOverall survivalCombination groupBreast cancerHER2CLIMB trialBrain metastasesMedian durationSafety outcomesPrimary analysisFinal overall survival analysisHuman epidermal growth factor receptor 2 positive metastatic breast cancerPositive metastatic breast cancerMeaningful survival benefitMedian overall survivalPlacebo-controlled trialOverall study populationOverall survival analysisFinal OSMetastatic HER2Placebo combinationAdverse eventsLast patientPrespecified subgroupsAlliance A011801 (compassHER2 RD): postneoadjuvant T-DM1 + tucatinib/placebo in patients with residual HER2-positive invasive breast cancer
O'Sullivan CC, Ballman KV, McCall L, Kommalapati A, Zemla T, Weiss A, Mitchell M, Blinder V, Tung NM, Irvin WJ, Lee M, Goetz MP, Symmans WF, Borges VF, Krop I, Carey LA, Partridge AH. Alliance A011801 (compassHER2 RD): postneoadjuvant T-DM1 + tucatinib/placebo in patients with residual HER2-positive invasive breast cancer. Future Oncology 2021, 17: 4665-4676. PMID: 34636255, PMCID: PMC8600597, DOI: 10.2217/fon-2021-0753.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAdultAntineoplastic Combined Chemotherapy ProtocolsBrain NeoplasmsBreastBreast NeoplasmsChemoradiotherapy, AdjuvantChemotherapy, AdjuvantClinical Trials, Phase III as TopicDisease-Free SurvivalDouble-Blind MethodFemaleFollow-Up StudiesHumansMastectomyMiddle AgedMulticenter Studies as TopicNeoadjuvant TherapyNeoplasm Recurrence, LocalNeoplasm, ResidualOxazolesPlacebosProspective StudiesPyridinesQuinazolinesRandomized Controlled Trials as TopicReceptor, ErbB-2ConceptsInvasive disease-free survivalDisease-free survivalBrain metastasis-free survivalBreast cancer-free survivalDistant recurrence-free survivalT-DM1Overall survivalResidual diseaseHER2-positive invasive breast cancerAdjuvant T-DM1Cancer-free survivalRecurrence-free survivalInvasive breast cancerMetastasis-free survivalPharmacokinetic end pointsOutcomes of interestQuality of lifeEligible patientsAdjuvant radiotherapyEndocrine therapyNeoadjuvant chemotherapyCorrelative biomarkersCare guidelinesBreast cancerPlacebo
2020
Phase I dose-escalation trial of tucatinib in combination with trastuzumab in patients with HER2-positive breast cancer brain metastases
Filho O, Leone JP, Li T, Tan-Wasielewski Z, Trippa L, Barry WT, Younger J, Lawler E, Walker L, Freedman RA, Tolaney SM, Krop I, Winer EP, Lin NU. Phase I dose-escalation trial of tucatinib in combination with trastuzumab in patients with HER2-positive breast cancer brain metastases. Annals Of Oncology 2020, 31: 1231-1239. PMID: 32461105, DOI: 10.1016/j.annonc.2020.05.014.Peer-Reviewed Original ResearchConceptsClinical benefit rateHER2-positive brain metastasesAlanine aminotransferase elevationCohort ABrain metastasesCohort BAminotransferase elevationBreast cancerHER2-positive breast cancer brain metastasesPhase I dose-escalation trialMedian progression-free survivalBreast cancer brain metastasesCommon dose-limiting toxicityI dose-escalation trialHER2-positive breast cancerCombination of tucatinibSecondary end pointsCancer brain metastasesDose-escalation trialProgression-free survivalDose-limiting toxicityMetastatic breast cancerBrain radiationObjective responseIntracranial activity
2019
Tucatinib, Trastuzumab, and Capecitabine for HER2-Positive Metastatic Breast Cancer
Murthy RK, Loi S, Okines A, Paplomata E, Hamilton E, Hurvitz SA, Lin NU, Borges V, Abramson V, Anders C, Bedard PL, Oliveira M, Jakobsen E, Bachelot T, Shachar SS, Müller V, Braga S, Duhoux FP, Greil R, Cameron D, Carey LA, Curigliano G, Gelmon K, Hortobagyi G, Krop I, Loibl S, Pegram M, Slamon D, Palanca-Wessels MC, Walker L, Feng W, Winer EP. Tucatinib, Trastuzumab, and Capecitabine for HER2-Positive Metastatic Breast Cancer. New England Journal Of Medicine 2019, 382: 597-609. PMID: 31825569, DOI: 10.1056/nejmoa1914609.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntineoplastic Combined Chemotherapy ProtocolsBrain NeoplasmsBreast NeoplasmsCapecitabineConsolidation ChemotherapyDiarrheaDouble-Blind MethodFemaleHumansKaplan-Meier EstimateMiddle AgedOxazolesProgression-Free SurvivalProtein-Tyrosine KinasesPyridinesQuinazolinesReceptor, ErbB-2TrastuzumabConceptsHER2-positive metastatic breast cancerProgression-free survivalPlacebo-combination groupMetastatic breast cancerElevated aminotransferase levelsBrain metastasesBreast cancerOverall survivalAminotransferase levelsMedian progression-free survivalPalmar-plantar erythrodysesthesia syndromeBetter progression-free survivalPositive metastatic breast cancerHuman epidermal growth factor receptor 2End pointEpidermal growth factor receptor 2Common adverse eventsMedian overall survivalObjective response ratePrimary end pointSecondary end pointsGrowth factor receptor 2Overall survival outcomesRisk of diarrheaFactor receptor 2
2017
Low PTEN levels and PIK3CA mutations predict resistance to neoadjuvant lapatinib and trastuzumab without chemotherapy in patients with HER2 over-expressing breast cancer
Rimawi MF, De Angelis C, Contreras A, Pareja F, Geyer FC, Burke KA, Herrera S, Wang T, Mayer IA, Forero A, Nanda R, Goetz MP, Chang JC, Krop IE, Wolff AC, Pavlick AC, Fuqua SAW, Gutierrez C, Hilsenbeck SG, Li MM, Weigelt B, Reis-Filho JS, Kent Osborne C, Schiff R. Low PTEN levels and PIK3CA mutations predict resistance to neoadjuvant lapatinib and trastuzumab without chemotherapy in patients with HER2 over-expressing breast cancer. Breast Cancer Research And Treatment 2017, 167: 731-740. PMID: 29110152, PMCID: PMC5821069, DOI: 10.1007/s10549-017-4533-9.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsClass I Phosphatidylinositol 3-KinasesFemaleGene Expression Regulation, NeoplasticHumansLapatinibMiddle AgedMutationNeoadjuvant TherapyPTEN PhosphohydrolaseQuinazolinesReceptor, ErbB-2TrastuzumabConceptsPathologic complete responsePIK3CA mutationsBreast cancerPTEN expression levelsPTEN statusClinical trialsHER2-positive breast cancerNeoadjuvant clinical trialsPIK3CA mutation analysisLow PTEN expression levelsExpression levelsPI3K pathwayEvaluable patientsNeoadjuvant lapatinibComplete responsePatientsChemotherapyPTEN immunohistochemistryTumor samplesTrastuzumabCancerPathway activationK pathwayFurther studiesPTEN levelsTrastuzumab emtansine versus treatment of physician's choice in patients with previously treated HER2-positive metastatic breast cancer (TH3RESA): final overall survival results from a randomised open-label phase 3 trial
Krop IE, Kim SB, Martin AG, LoRusso PM, Ferrero JM, Badovinac-Crnjevic T, Hoersch S, Smitt M, Wildiers H. Trastuzumab emtansine versus treatment of physician's choice in patients with previously treated HER2-positive metastatic breast cancer (TH3RESA): final overall survival results from a randomised open-label phase 3 trial. The Lancet Oncology 2017, 18: 743-754. PMID: 28526538, DOI: 10.1016/s1470-2045(17)30313-3.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsBreast Neoplasms, MaleBridged-Ring CompoundsChemotherapy-Induced Febrile NeutropeniaDiarrheaEarly Termination of Clinical TrialsFemaleHemorrhageHumansLapatinibMaleMaytansineMiddle AgedNeoplasm MetastasisNeutropeniaPractice Patterns, Physicians'QuinazolinesReceptor, ErbB-2RetreatmentSurvival RateTaxoidsThrombocytopeniaTrastuzumabConceptsHER2-positive advanced breast cancerPhysician's choice groupAdvanced breast cancerWorse adverse eventsProgression-free survivalOverall survivalTrastuzumab emtansineAdverse eventsOverall survival analysisBreast cancerPhysician's choiceTH3RESA trialGrade 3Eastern Cooperative Oncology Group performance statusInvestigator-assessed progression-free survivalOpen-label phase 3 trialHER2-positive metastatic breast cancerSurvival analysisFinal overall survival analysisFinal overall survival resultsAdequate organ functionCommon grade 3Permuted block randomisationTrastuzumab emtansine treatmentSecond interim analysisTrastuzumab emtansine versus capecitabine plus lapatinib in patients with previously treated HER2-positive advanced breast cancer (EMILIA): a descriptive analysis of final overall survival results from a randomised, open-label, phase 3 trial
Diéras V, Miles D, Verma S, Pegram M, Welslau M, Baselga J, Krop IE, Blackwell K, Hoersch S, Xu J, Green M, Gianni L. Trastuzumab emtansine versus capecitabine plus lapatinib in patients with previously treated HER2-positive advanced breast cancer (EMILIA): a descriptive analysis of final overall survival results from a randomised, open-label, phase 3 trial. The Lancet Oncology 2017, 18: 732-742. PMID: 28526536, PMCID: PMC5531181, DOI: 10.1016/s1470-2045(17)30312-1.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAdultAgedAged, 80 and overAnemiaAntibodies, Monoclonal, HumanizedAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsAspartate AminotransferasesBreast NeoplasmsBreast Neoplasms, MaleBridged-Ring CompoundsCapecitabineDiarrheaDisease-Free SurvivalFemaleHand-Foot SyndromeHumansLapatinibMaleMaytansineMiddle AgedQuinazolinesReceptor, ErbB-2Response Evaluation Criteria in Solid TumorsRetreatmentSurvival RateTaxoidsThrombocytopeniaTrastuzumabVomitingYoung AdultConceptsWorse adverse eventsMetastatic breast cancerHER2-positive metastatic breast cancerInterim overall survival analysisProgression-free survivalOverall survival dataTrastuzumab emtansineOverall survivalAdverse eventsOverall survival analysisBreast cancerGrade 3Safety profileHER2-positive advanced breast cancerSurvival analysisFinal overall survival dataFinal overall survival resultsPalmar-plantar erythrodysaesthesia syndromeCoprimary efficacy endpointsFinal overall survivalPrevious chemotherapy regimensMedian overall survivalAdvanced breast cancerPhase 3 trialStudy drug discontinuation
2016
Relationship between tumor biomarkers and efficacy in TH3RESA, a phase III study of trastuzumab emtansine (T‐DM1) vs. treatment of physician's choice in previously treated HER2‐positive advanced breast cancer
Kim S, Wildiers H, Krop IE, Smitt M, Yu R, de Haas S, Gonzalez‐Martin A. Relationship between tumor biomarkers and efficacy in TH3RESA, a phase III study of trastuzumab emtansine (T‐DM1) vs. treatment of physician's choice in previously treated HER2‐positive advanced breast cancer. International Journal Of Cancer 2016, 139: 2336-2342. PMID: 27428671, DOI: 10.1002/ijc.30276.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAntibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsCapecitabineClass I Phosphatidylinositol 3-KinasesFemaleHumansKaplan-Meier EstimateLapatinibMaytansinePhosphatidylinositol 3-KinasesQuinazolinesReceptor, ErbB-2TrastuzumabLessons from breast cancer trials of HER2-kinase inhibitors
Krop IE. Lessons from breast cancer trials of HER2-kinase inhibitors. The Lancet Oncology 2016, 17: 267-268. PMID: 26822399, DOI: 10.1016/s1470-2045(16)00004-8.Peer-Reviewed Original Research
2015
Molecular Heterogeneity and Response to Neoadjuvant Human Epidermal Growth Factor Receptor 2 Targeting in CALGB 40601, a Randomized Phase III Trial of Paclitaxel Plus Trastuzumab With or Without Lapatinib
Carey LA, Berry DA, Cirrincione CT, Barry WT, Pitcher BN, Harris LN, Ollila DW, Krop IE, Henry NL, Weckstein DJ, Anders CK, Singh B, Hoadley KA, Iglesia M, Cheang MC, Perou CM, Winer EP, Hudis CA. Molecular Heterogeneity and Response to Neoadjuvant Human Epidermal Growth Factor Receptor 2 Targeting in CALGB 40601, a Randomized Phase III Trial of Paclitaxel Plus Trastuzumab With or Without Lapatinib. Journal Of Clinical Oncology 2015, 34: 542-549. PMID: 26527775, PMCID: PMC4980567, DOI: 10.1200/jco.2015.62.1268.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCarcinomaEstrogen Receptor alphaFemaleGene ExpressionHumansImmunoglobulin GLapatinibMiddle AgedNeoadjuvant TherapyNeoplasm, ResidualPaclitaxelQuinazolinesReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneRNA, MessengerTrastuzumabTreatment OutcomeTumor MicroenvironmentTumor Suppressor Protein p53Young AdultConceptsPathologic complete response rateCALGB 40601Dual therapyIntrinsic subtypesHormone receptor-negative diseaseRandomized phase III trialHuman epidermal growth factor receptor 2End pointHER2-positive breast cancerEpidermal growth factor receptor 2Correlative end pointsDual HER2 blockadeHER2-positive diseaseComplete response ratePrimary end pointPhase III trialsProgression-free survivalReceptor-negative diseaseAddition of lapatinibGrowth factor receptor 2Immune cell signaturesFactor receptor 2Gene expression-based assaysMolecular featuresDual HER2PI3K-p110α mediates resistance to HER2-targeted therapy in HER2+, PTEN-deficient breast cancers
Wang Q, Liu P, Spangle JM, Von T, Roberts TM, Lin NU, Krop IE, Winer EP, Zhao JJ. PI3K-p110α mediates resistance to HER2-targeted therapy in HER2+, PTEN-deficient breast cancers. Oncogene 2015, 35: 3607-3612. PMID: 26500061, PMCID: PMC4846581, DOI: 10.1038/onc.2015.406.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBreast NeoplasmsCell Line, TumorCell SurvivalClass I Phosphatidylinositol 3-KinasesDrug Resistance, NeoplasmFemaleHumansLapatinibMammary Neoplasms, ExperimentalMice, KnockoutMolecular Targeted TherapyPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsProtein Kinase InhibitorsProto-Oncogene Proteins c-aktPTEN PhosphohydrolaseQuinazolinesReceptor, ErbB-2Signal TransductionThiazolesTumor BurdenXenograft Model Antitumor AssaysConceptsBreast tumorsP110β inhibitorsHuman epidermal growth factor receptor 2 (HER2) amplificationP110α inhibitionPTEN lossInhibition of HER2Treatment of HER2Human cancersPI3K pathway activationPTEN-deficient breast cancersGenetic mouse modelsPI3K/Akt signalingPTEN-deficient tumorsPI3K/AktDual HER2Therapeutic regimenHER2 inhibitionPIK3CA mutationsTumor regressionBreast cancerMouse modelXenograft modelHER2Null tumorsHER2 activationPhase II Study of Lapatinib in Combination With Trastuzumab in Patients With Human Epidermal Growth Factor Receptor 2–Positive Metastatic Breast Cancer: Clinical Outcomes and Predictive Value of Early [18F]Fluorodeoxyglucose Positron Emission Tomography Imaging (TBCRC 003)
Lin NU, Guo H, Yap JT, Mayer IA, Falkson CI, Hobday TJ, Dees EC, Richardson AL, Nanda R, Rimawi MF, Ryabin N, Najita JS, Barry WT, Arteaga CL, Wolff AC, Krop IE, Winer EP, Van den Abbeele AD. Phase II Study of Lapatinib in Combination With Trastuzumab in Patients With Human Epidermal Growth Factor Receptor 2–Positive Metastatic Breast Cancer: Clinical Outcomes and Predictive Value of Early [18F]Fluorodeoxyglucose Positron Emission Tomography Imaging (TBCRC 003). Journal Of Clinical Oncology 2015, 33: 2623-2631. PMID: 26169615, PMCID: PMC4534525, DOI: 10.1200/jco.2014.60.0353.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCohort StudiesFemaleFluorodeoxyglucose F18HumansLapatinibMiddle AgedNeoplasm MetastasisPositron-Emission TomographyQuinazolinesReceptor, ErbB-2TrastuzumabTreatment OutcomeConceptsMetastatic breast cancerHuman epidermal growth factor receptorClinical benefit rateEpidermal growth factor receptorObjective response rateProgression-free survivalGrowth factor receptorClinical outcomesWeek 1Cohort 2Benefit rateCohort 1Breast cancerFactor receptorPredictive valueResponse rateConfirmed objective response rateMedian progression-free survivalEnd pointPhase II studyPrimary end pointSecondary end pointsSelection of patientsToxicity of chemotherapyPET/CT
2014
Trastuzumab emtansine (T-DM1) versus lapatinib plus capecitabine in patients with HER2-positive metastatic breast cancer and central nervous system metastases: a retrospective, exploratory analysis in EMILIA †
Krop IE, Lin NU, Blackwell K, Guardino E, Huober J, Lu M, Miles D, Samant M, Welslau M, Diéras V. Trastuzumab emtansine (T-DM1) versus lapatinib plus capecitabine in patients with HER2-positive metastatic breast cancer and central nervous system metastases: a retrospective, exploratory analysis in EMILIA †. Annals Of Oncology 2014, 26: 113-119. PMID: 25355722, PMCID: PMC4679405, DOI: 10.1093/annonc/mdu486.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedAntimetabolites, AntineoplasticAntineoplastic AgentsBreast NeoplasmsCapecitabineCentral Nervous System NeoplasmsDeoxycytidineDisease-Free SurvivalFemaleFluorouracilHumansLapatinibMaytansineMiddle AgedQuinazolinesReceptor, ErbB-2Retrospective StudiesTrastuzumabYoung AdultConceptsCentral nervous system metastasesAsymptomatic CNS metastasesCNS metastasesNervous system metastasesAdvanced breast cancerT-DM1CNS metastasisOverall survivalBreast cancerTrastuzumab emtansineHER2-positive advanced breast cancerHER2-positive metastatic breast cancerPositive advanced breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2T-DM1 armNew safety signalsProgression-free survivalGrowth factor receptor 2Metastatic breast cancerFactor receptor 2Independent reviewCNS progressionEMILIA studyAdverse eventsSystemic Therapy for Patients With Advanced Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer: American Society of Clinical Oncology Clinical Practice Guideline
Giordano SH, Temin S, Kirshner JJ, Chandarlapaty S, Crews JR, Davidson NE, Esteva FJ, Gonzalez-Angulo AM, Krop I, Levinson J, Lin NU, Modi S, Patt DA, Perez EA, Perlmutter J, Ramakrishna N, Winer EP. Systemic Therapy for Patients With Advanced Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer: American Society of Clinical Oncology Clinical Practice Guideline. Journal Of Clinical Oncology 2014, 32: 2078-2099. PMID: 24799465, PMCID: PMC6076031, DOI: 10.1200/jco.2013.54.0948.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAnastrozoleAntibodies, Monoclonal, HumanizedAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsClinical Trials as TopicComorbidityDocetaxelDrug Administration ScheduleEvidence-Based MedicineFemaleHealth Status DisparitiesHealthcare DisparitiesHumansLapatinibLetrozoleMaytansineMolecular Targeted TherapyNitrilesQuinazolinesReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneSocieties, MedicalTaxoidsTrastuzumabTreatment OutcomeTriazolesUnited StatesConceptsAdvanced breast cancerHuman epidermal growth factor receptorSecond-line treatmentProgression-free survivalFirst-line treatmentBreast cancerPFS benefitT-DM1Epidermal growth factor receptorEndocrine therapyGrowth factor receptorSystemic therapyEstrogen receptor-positive/progesterone receptor-positive breast cancerAdvanced human epidermal growth factor receptorHER2-positive advanced breast cancerProgesterone receptor-positive breast cancerClinical Oncology Clinical Practice GuidelineClinical congestive heart failureStandard first-line therapyPositive advanced breast cancerLeft ventricular ejection fractionOncology Clinical Practice GuidelineReceptor-positive breast cancerThird-line settingFirst-line therapy
2013
HER2-positive breast cancer—sifting through many good options
Krop IE. HER2-positive breast cancer—sifting through many good options. Nature Reviews Clinical Oncology 2013, 10: 312-313. PMID: 23629473, DOI: 10.1038/nrclinonc.2013.72.Peer-Reviewed Original ResearchBeyond trastuzumab and lapatinib: new options for HER2-positive breast cancer .
Zardavas D, Cameron D, Krop I, Piccart M. Beyond trastuzumab and lapatinib: new options for HER2-positive breast cancer . American Society Of Clinical Oncology Educational Book 2013, 33: e2-e11. PMID: 23714441, DOI: 10.1200/edbook_am.2013.33.e2.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, Monoclonal, HumanizedAntineoplastic AgentsBreast NeoplasmsChemotherapy, AdjuvantDrug Resistance, NeoplasmFemaleHumansLapatinibMolecular Targeted TherapyNeoadjuvant TherapyProtein Kinase InhibitorsQuinazolinesReceptor, ErbB-2Signal TransductionTrastuzumabTreatment OutcomeConceptsHER2-positive breast cancerDual HER2 blockadeAntibody-drug conjugatesHER2 blockadeBreast cancerMetastatic settingClinical trialsAnti-HER2 resistanceAnti-HER2 agentsLarge randomized trialsHER2-targeted agentsNew treatment optionsAggressive biologic behaviorMajor clinical issueImproved treatment outcomesNew therapeutic avenuesDevelopment of agentsAdjuvant settingNeoadjuvant settingAdvanced diseaseTrastuzumab-DM1Randomized trialsTreatment optionsBiologic rationaleHER2 inhibition
2012
Trastuzumab Emtansine for HER2-Positive Advanced Breast Cancer
Verma S, Miles D, Gianni L, Krop IE, Welslau M, Baselga J, Pegram M, Oh DY, Diéras V, Guardino E, Fang L, Lu MW, Olsen S, Blackwell K. Trastuzumab Emtansine for HER2-Positive Advanced Breast Cancer. New England Journal Of Medicine 2012, 367: 1783-1791. PMID: 23020162, PMCID: PMC5125250, DOI: 10.1056/nejmoa1209124.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCapecitabineDeoxycytidineDisease-Free SurvivalFemaleFluorouracilHumansIntention to Treat AnalysisKaplan-Meier EstimateLapatinibMaytansineMiddle AgedNeoplasm MetastasisQuinazolinesReceptor, ErbB-2Survival RateTrastuzumabYoung AdultConceptsHER2-positive advanced breast cancerAdvanced breast cancerProgression-free survivalObjective response rateSecondary end pointsT-DM1Overall survivalBreast cancerEnd pointTrastuzumab emtansineInterim analysisResponse rateAdditional secondary end pointsMedian progression-free survivalHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Incidence of thrombocytopeniaMedian overall survivalPrimary end pointSerum aminotransferase levelsPalmar-plantar erythrodysesthesiaSecond interim analysisGrowth factor receptor 2Incidence of diarrheaFactor receptor 2A Phase II Study of Trastuzumab Emtansine in Patients With Human Epidermal Growth Factor Receptor 2–Positive Metastatic Breast Cancer Who Were Previously Treated With Trastuzumab, Lapatinib, an Anthracycline, a Taxane, and Capecitabine
Krop IE, LoRusso P, Miller KD, Modi S, Yardley D, Rodriguez G, Guardino E, Lu M, Zheng M, Girish S, Amler L, Winer EP, Rugo HS. A Phase II Study of Trastuzumab Emtansine in Patients With Human Epidermal Growth Factor Receptor 2–Positive Metastatic Breast Cancer Who Were Previously Treated With Trastuzumab, Lapatinib, an Anthracycline, a Taxane, and Capecitabine. Journal Of Clinical Oncology 2012, 30: 3234-3241. PMID: 22649126, DOI: 10.1200/jco.2011.40.5902.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAdultAgedAnthracyclinesAntibodies, Monoclonal, HumanizedAntineoplastic AgentsBreast NeoplasmsBridged-Ring CompoundsCapecitabineDeoxycytidineDisease-Free SurvivalFemaleFluorouracilHumansImmunotoxinsLapatinibMaleMaytansineMiddle AgedMolecular Targeted TherapyNeoplasm MetastasisQuinazolinesReceptor, ErbB-2TaxoidsTrastuzumabConceptsHER2-positive metastatic breast cancerHuman epidermal growth factor receptor 2Metastatic breast cancerProgression-free survivalOverall response rateMedian progression-free survivalPhase II studyT-DM1II studyTrastuzumab emtansineBreast cancerResponse rateSingle-arm phase II studyEpidermal growth factor receptor 2Human epidermal growth factor receptorClinical benefit rateHER2-directed therapiesMost adverse eventsGrowth factor receptor 2Single-agent activityHER2-positive tumorsMultiple chemotherapy agentsEffective new treatmentsFactor receptor 2Epidermal growth factor receptor
2011
Responses to subsequent anti-HER2 therapy after treatment with trastuzumab-DM1 in women with HER2-positive metastatic breast cancer
Olson EM, Lin NU, DiPiro PJ, Najita JS, Krop IE, Winer EP, Burstein HJ. Responses to subsequent anti-HER2 therapy after treatment with trastuzumab-DM1 in women with HER2-positive metastatic breast cancer. Annals Of Oncology 2011, 23: 93-97. PMID: 21531783, PMCID: PMC3276325, DOI: 10.1093/annonc/mdr061.Peer-Reviewed Original ResearchConceptsAnti-HER2 therapyMetastatic breast cancerHER2-positive MBC patientsT-DM1MBC patientsBreast cancerHER2-positive metastatic breast cancerSingle-agent T-DM1Positive metastatic breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Blinded radiology reviewAnti-HER2 agentsGrowth factor receptor 2Kaplan-Meier estimatesFurther clinical benefitFactor receptor 2Protocol therapyMedian durationFurther therapyPartial responseRadiology reviewClinical benefitSubsequent linesMetastatic therapy
2010
Disruption of Laminin-Integrin-CD151-Focal Adhesion Kinase Axis Sensitizes Breast Cancer Cells to ErbB2 Antagonists
Yang XH, Flores LM, Li Q, Zhou P, Xu F, Krop IE, Hemler ME. Disruption of Laminin-Integrin-CD151-Focal Adhesion Kinase Axis Sensitizes Breast Cancer Cells to ErbB2 Antagonists. Cancer Research 2010, 70: 2256-2263. PMID: 20197472, PMCID: PMC3310185, DOI: 10.1158/0008-5472.can-09-4032.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedAntigens, CDAntineoplastic AgentsBreast NeoplasmsCell Adhesion MoleculesCell Line, TumorDrug SynergismEnzyme ActivationFocal Adhesion Protein-Tyrosine KinasesHumansIntegrin alpha3beta1Integrin alpha6beta4LapatinibProtein Kinase InhibitorsQuinazolinesReceptor, ErbB-2Signal TransductionTetraspanin 24TrastuzumabConceptsAnti-ErbB2 agentsBreast cancer cellsHuman ErbB2Cancer cellsSensitizes breast cancer cellsTetraspanin protein CD151Mammary tumor cellsFocal adhesion kinaseLaminin-5ErbB2 antagonistTrastuzumab treatmentBreast cancerLaminin-binding integrinsDrug resistanceTumor cellsCD151 knockdownLaminin-integrinErbB2TrastuzumabCancerCD151CellsTreatmentKnockdownAgents