2024
HER2 heterogeneity and treatment response-associated profiles in HER2-positive breast cancer in the NCT02326974 clinical trial
Li Z, Filho O, Viale G, dell'Orto P, Russo L, Goyette M, Kamat A, Yardley D, Abramson V, Arteaga C, Spring L, Chiotti K, Halsey C, Waks A, King T, Lester S, Bellon J, Winer E, Spellman P, Krop I, Polyak K. HER2 heterogeneity and treatment response-associated profiles in HER2-positive breast cancer in the NCT02326974 clinical trial. Journal Of Clinical Investigation 2024, 134: e176454. PMID: 38300710, PMCID: PMC10977978, DOI: 10.1172/jci176454.Peer-Reviewed Original ResearchPathological complete responseHER2-positive breast cancerHER2 heterogeneityBreast cancerEarly-stage HER2-positive breast cancerHER2-targeted therapyPre-treatment tumorsErbB signalingHER2-targeted antibodiesBasal-like featuresHER2 protein levelsStratification of patientsNational Cancer InstituteNeoadjuvant trialsComplete responseResidual tumorT-DM1Copy number heterogeneityTrastuzumab emtansineERBB2 mRNAImmune infiltrationDownstream pathway componentsClinical challengeClinical trialsTumor
2022
Treatment discontinuation, patient-reported toxicities and quality-of-life by age following trastuzumab emtansine or paclitaxel/trastuzumab (ATEMPT)
Sella T, Zheng Y, Tayob N, Ruddy K, Freedman R, Dang C, Yardley D, Isakoff S, Valero V, DeMeo M, Burstein H, Winer E, Wolff A, Krop I, Partridge A, Tolaney S. Treatment discontinuation, patient-reported toxicities and quality-of-life by age following trastuzumab emtansine or paclitaxel/trastuzumab (ATEMPT). Npj Breast Cancer 2022, 8: 127. PMID: 36450763, PMCID: PMC9712612, DOI: 10.1038/s41523-022-00495-x.Peer-Reviewed Original ResearchHER2-positive breast cancerPatient-reported toxicityPatient-reported outcomesT-DM1Treatment discontinuationTrastuzumab emtansineBreast cancerStage I HER2-positive breast cancerAdjuvant trastuzumab emtansineExcellent disease outcomesLess activity impairmentPaclitaxel/trastuzumabSocial/familyPositive breast cancerSuperior QoLOlder patientsTreatment toleranceTreatment armsTreatment regimensEligible participantsGlobal QoLTherapy optionsActivity impairmentMultivariable modelDisease outcomePhase Ib study of pembrolizumab in combination with trastuzumab emtansine for metastatic HER2-positive breast cancer
Waks AG, Keenan TE, Li T, Tayob N, Wulf GM, Richardson ET, Attaya V, Anderson L, Mittendorf EA, Overmoyer B, Winer EP, Krop IE, Agudo J, Van Allen EM, Tolaney SM. Phase Ib study of pembrolizumab in combination with trastuzumab emtansine for metastatic HER2-positive breast cancer. Journal For ImmunoTherapy Of Cancer 2022, 10: e005119. PMID: 36252998, PMCID: PMC9577940, DOI: 10.1136/jitc-2022-005119.Peer-Reviewed Original ResearchConceptsObjective response rateProgression-free survivalMetastatic breast cancerAdverse eventsBreast cancerT-DM1Immune biomarkersTrastuzumab emtansineHER2-positive metastatic breast cancerMetastatic HER2-positive breast cancerGrade 3 adverse eventsMedian progression-free survivalTreatment-related adverse eventsHuman epidermal growth factor receptor 2Cell death ligand 1HER2-positive breast cancerEpidermal growth factor receptor 2Dose-finding cohortPhase 2 dosePhase Ib studyPhase Ib trialAnti-HER2 therapyDose-limiting toxicityGrowth factor receptor 2Immune checkpoint blockadeCardiac outcomes of subjects on adjuvant trastuzumab emtansine vs paclitaxel in combination with trastuzumab for stage I HER2-positive breast cancer (ATEMPT) study (TBCRC033): a randomized controlled trial
Barroso-Sousa R, Tarantino P, Tayob N, Dang C, Yardley DA, Isakoff SJ, Valero V, Faggen M, Mulvey T, Bose R, Hu J, Weckstein D, Wolff AC, Reeder-Hayes K, Rugo HS, Ramaswamy B, Zuckerman D, Hart L, Gadi VK, Constantine M, Cheng K, Briccetti F, Schneider B, Garrett AM, Marcom K, Albain K, DeFusco P, Tung N, Ardman B, Nanda R, Jankowitz RC, Rimawi M, Abramson V, Pohlmann PR, Van Poznak C, Forero-Torres A, Liu M, Ruddy KJ, Zheng Y, Rosenberg SM, Gelber RD, Trippa L, Barry W, DeMeo M, Burstein H, Partridge A, Winer EP, Krop I, Tolaney SM. Cardiac outcomes of subjects on adjuvant trastuzumab emtansine vs paclitaxel in combination with trastuzumab for stage I HER2-positive breast cancer (ATEMPT) study (TBCRC033): a randomized controlled trial. Npj Breast Cancer 2022, 8: 18. PMID: 35173164, PMCID: PMC8850608, DOI: 10.1038/s41523-022-00385-2.Peer-Reviewed Original ResearchLeft ventricular ejection fractionHER2-positive breast cancerAdjuvant T-DM1Adjuvant trastuzumab emtansineT-DM1Adverse eventsCardiac outcomesTrastuzumab emtansineBreast cancerStage I HER2-positive breast cancerAsymptomatic left ventricular ejection fractionBaseline left ventricular ejection fractionAnthracycline-free regimensAsymptomatic LVEF declineResidual invasive diseaseT-DM1 armCardiac adverse eventsVentricular systolic dysfunctionSignificant adverse eventsVentricular ejection fractionBody mass indexFavorable toxicity profilePotential therapeutic optionBreast Cancer StudyAdjuvant paclitaxel
2021
Trastuzumab Emtansine Plus Pertuzumab Versus Taxane Plus Trastuzumab Plus Pertuzumab After Anthracycline for High-Risk Human Epidermal Growth Factor Receptor 2–Positive Early Breast Cancer: The Phase III KAITLIN Study
Krop IE, Im SA, Barrios C, Bonnefoi H, Gralow J, Toi M, Ellis PA, Gianni L, Swain SM, Im YH, De Laurentiis M, Nowecki Z, Huang CS, Fehrenbacher L, Ito Y, Shah J, Boulet T, Liu H, Macharia H, Trask P, Song C, Winer EP, Harbeck N. Trastuzumab Emtansine Plus Pertuzumab Versus Taxane Plus Trastuzumab Plus Pertuzumab After Anthracycline for High-Risk Human Epidermal Growth Factor Receptor 2–Positive Early Breast Cancer: The Phase III KAITLIN Study. Journal Of Clinical Oncology 2021, 40: 438-448. PMID: 34890214, PMCID: PMC8824393, DOI: 10.1200/jco.21.00896.Peer-Reviewed Original ResearchConceptsInvasive disease-free survivalOverall populationTrastuzumab emtansineHigh-risk human epidermal growth factor receptorHuman epidermal growth factor receptor 2End pointEpidermal growth factor receptor 2Early breast cancer treatmentHuman epidermal growth factor receptorAnthracycline-based chemotherapyCoprimary end pointsPrimary end pointDisease-free survivalSerious adverse eventsEarly breast cancerGlobal health statusGrowth factor receptor 2Treatment completion ratesStandard of careBreast cancer treatmentFactor receptor 2Epidermal growth factor receptorGrowth factor receptorEndocrine therapyAdverse eventsAdjuvant Trastuzumab Emtansine Versus Paclitaxel in Combination With Trastuzumab for Stage I HER2-Positive Breast Cancer (ATEMPT): A Randomized Clinical Trial
Tolaney SM, Tayob N, Dang C, Yardley DA, Isakoff SJ, Valero V, Faggen M, Mulvey T, Bose R, Hu J, Weckstein D, Wolff AC, Reeder-Hayes K, Rugo HS, Ramaswamy B, Zuckerman D, Hart L, Gadi VK, Constantine M, Cheng K, Briccetti F, Schneider B, Garrett AM, Marcom K, Albain K, DeFusco P, Tung N, Ardman B, Nanda R, Jankowitz RC, Rimawi M, Abramson V, Pohlmann PR, Van Poznak C, Forero-Torres A, Liu M, Ruddy K, Zheng Y, Rosenberg SM, Gelber RD, Trippa L, Barry W, DeMeo M, Burstein H, Partridge A, Winer EP, Krop I. Adjuvant Trastuzumab Emtansine Versus Paclitaxel in Combination With Trastuzumab for Stage I HER2-Positive Breast Cancer (ATEMPT): A Randomized Clinical Trial. Journal Of Clinical Oncology 2021, 39: 2375-2385. PMID: 34077270, DOI: 10.1200/jco.20.03398.Peer-Reviewed Original ResearchConceptsInvasive disease-free survivalT-DM1Breast cancerStage IStage I HER2-positive breast cancerHER2-positive breast cancerHuman epidermal growth factor receptorAdjuvant T-DM1Co-primary objectivesDisease-free survivalPatient-reported outcomesEpidermal growth factor receptorGrowth factor receptorProtocol therapyAnalysis populationTrastuzumab emtansineClinical trialsRelevant toxicityPatientsFactor receptorLess toxicityWeeksTrastuzumabCancerPaclitaxelImpact of HER2 heterogeneity on treatment response of early-stage HER2-positive breast cancer: phase II neoadjuvant clinical trial of T-DM1 combined with pertuzumab
Filho OM, Viale G, Stein S, Trippa L, Yardley DA, Mayer IA, Abramson VG, Arteaga CL, Spring LM, Waks AG, Wrabel E, DeMeo MK, Bardia A, Dell'Orto P, Russo L, King TA, Polyak K, Michor F, Winer EP, Krop IE. Impact of HER2 heterogeneity on treatment response of early-stage HER2-positive breast cancer: phase II neoadjuvant clinical trial of T-DM1 combined with pertuzumab. Cancer Discovery 2021, 11: candisc.1557.2020. PMID: 33941592, PMCID: PMC8598376, DOI: 10.1158/2159-8290.cd-20-1557.Peer-Reviewed Original ResearchConceptsHER2-positive breast cancerHER2 heterogeneityBreast cancerEarly-stage HER2-positive breast cancerHER2-positive early-stage breast cancerTherapeutic resistancePathologic complete response rateEarly-stage breast cancerNeoadjuvant clinical trialsComplete response rateSubset of patientsHER2 therapyPretreatment biopsiesEvaluable casesCure rateT-DM1Trastuzumab emtansineClinical trialsTreatment strategiesTreatment responseTreatment selectionResponse rateRelated commentaryTherapyIssue feature42O Biomarker analysis from KAITLIN, a randomised phase III study of adjuvant trastuzumab emtansine (TDM-1; K) plus pertuzumab (P) versus trastuzumab (H) plus taxane (T) plus P after anthracyclines (AC) for high-risk HER2-positive early breast cancer (EBC)
Metzger O, Lambertini C, Krop I, Phillips G, Perou C, Symmans F, Melero I, Harbeck N, Winer E, Im S, Barrios C, Bonnefoi H, Gralow J, Ellis P, Gianni L, Toi M, Swain S, Boulet T, Song C, de Haas S. 42O Biomarker analysis from KAITLIN, a randomised phase III study of adjuvant trastuzumab emtansine (TDM-1; K) plus pertuzumab (P) versus trastuzumab (H) plus taxane (T) plus P after anthracyclines (AC) for high-risk HER2-positive early breast cancer (EBC). Annals Of Oncology 2021, 32: s37-s38. DOI: 10.1016/j.annonc.2021.03.056.Peer-Reviewed Original Research
2018
Systemic Therapy for Patients With Advanced Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer: ASCO Clinical Practice Guideline Update
Giordano SH, Temin S, Chandarlapaty S, Crews JR, Esteva FJ, Kirshner JJ, Krop IE, Levinson J, Lin NU, Modi S, Patt DA, Perlmutter J, Ramakrishna N, Winer EP, Davidson NE. Systemic Therapy for Patients With Advanced Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer: ASCO Clinical Practice Guideline Update. Journal Of Clinical Oncology 2018, 36: jco.2018.79.269. PMID: 29939838, DOI: 10.1200/jco.2018.79.2697.Peer-Reviewed Original ResearchConceptsAdvanced breast cancerBreast cancerSystemic therapyTrastuzumab emtansineEstrogen receptor-positive/progesterone receptor-positive breast cancerAdvanced human epidermal growth factor receptorASCO Clinical Practice Guideline UpdateHER2-positive advanced breast cancerProgesterone receptor-positive breast cancerClinical congestive heart failureClinical Practice Guideline UpdateEvidence-based guideline recommendationsStandard first-line therapyPositive advanced breast cancerLeft ventricular ejection fractionReceptor-positive breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Human epidermal growth factor receptorThird-line settingSecond-line treatmentFirst-line therapyFirst-line treatmentProgression-free survivalTime of progression
2017
A randomized, double-blinded, controlled study of tucatinib (ONT-380) vs. placebo in combination with capecitabine (C) and trastuzumab (Tz) in patients with pretreated HER2+ unresectable locally advanced or metastatic breast carcinoma (mBC) (HER2CLIMB).
Anders C, Murthy R, Hamilton E, Borges V, Cameron D, Carey L, Müller V, Curigliano G, Gelmon K, Hortobagyi G, Krop I, Loibl S, Pivot X, Pegram M, Slamon D, Hurvitz S, Tsai M, Winer E. A randomized, double-blinded, controlled study of tucatinib (ONT-380) vs. placebo in combination with capecitabine (C) and trastuzumab (Tz) in patients with pretreated HER2+ unresectable locally advanced or metastatic breast carcinoma (mBC) (HER2CLIMB). Journal Of Clinical Oncology 2017, 35: tps1107-tps1107. DOI: 10.1200/jco.2017.35.15_suppl.tps1107.Peer-Reviewed Original ResearchProgression-free survivalMetastatic breast carcinomaBrain metsIndependent data monitoring committeeClinical benefit ratePhase 1b studyDuration of responseIndependent central reviewPrimary study objectiveData monitoring committeeCNS progressionEGFR agentsPo bidBrain metastasesAdult patientsObjective responseOverall survivalCentral reviewStudy treatmentT-DM1CNS therapyTrastuzumab emtansineBenefit rateSelective small molecule inhibitorsBreast carcinoma
2012
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
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