2024
Neratinib and ado-trastuzumab emtansine for pretreated and untreated human epidermal growth factor receptor 2 (HER2)-positive breast cancer brain metastases: Translational Breast Cancer Research Consortium trial 022 ☆
Freedman R, Heiling H, Li T, Trapani D, Tayob N, Smith K, Davis R, Pereslete A, DeMeo M, Cotter C, Chen W, Parsons H, Santa-Maria C, Van Poznak C, Moy B, Brufsky A, Melisko M, O’Sullivan C, Ashai N, Rauf Y, Nangia J, Burns R, Savoie J, Wolff A, Winer E, Rimawi M, Krop I, Lin N. Neratinib and ado-trastuzumab emtansine for pretreated and untreated human epidermal growth factor receptor 2 (HER2)-positive breast cancer brain metastases: Translational Breast Cancer Research Consortium trial 022 ☆. Annals Of Oncology 2024, 35: 993-1002. PMID: 38977064, DOI: 10.1016/j.annonc.2024.07.245.Peer-Reviewed Original ResearchHER2-positive breast cancer brain metastasesBreast cancer brain metastasesT-DM1Ado-trastuzumab emtansineCentral nervous systemOverall survivalCNS objective response rateEfficacy of neratinibT-DM1 exposureObjective response rateCancer brain metastasesPhase II studyMedian OSRANO-BMBrain MetastasesSlow accrualIntracranial activityII studyPrimary endpointPreclinical dataCohort 4Response assessmentTreatment optionsNeratinibPatientsHER2 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 paclitaxelLocal Therapy Outcomes and Toxicity From the ATEMPT Trial (TBCRC 033): A Phase II Randomized Trial of Adjuvant Trastuzumab Emtansine Versus Paclitaxel in Combination With Trastuzumab in Women With Stage I HER2-Positive Breast Cancer
Bellon JR, Tayob N, Yang DD, Tralins J, Dang CT, Isakoff SJ, DeMeo M, Burstein HJ, Partridge AH, Winer EP, Krop IE, Tolaney SM. Local Therapy Outcomes and Toxicity From the ATEMPT Trial (TBCRC 033): A Phase II Randomized Trial of Adjuvant Trastuzumab Emtansine Versus Paclitaxel in Combination With Trastuzumab in Women With Stage I HER2-Positive Breast Cancer. International Journal Of Radiation Oncology • Biology • Physics 2022, 113: 117-124. PMID: 34990776, DOI: 10.1016/j.ijrobp.2021.12.173.Peer-Reviewed Original ResearchConceptsHER2-positive breast cancerBreast-conserving surgeryStage I HER2-positive breast cancerT-DM1 armBreast radiation therapyT-DM1Radiation therapySkin toxicityBreast cancerBCS patientsWBRT patientsInvasive disease-free survival eventsDisease-free survival eventsInvasive disease-free survivalHuman epidermal growth factor receptor 2Phase II Randomized TrialWhole breast radiation therapyEpidermal growth factor receptor 2Adjuvant T-DM1Adjuvant trastuzumab emtansineEfficacy of HER2RT-related toxicityWeeks of therapyAcute skin toxicityAnti-HER2 therapy
2021
Local Therapy Outcomes and Toxicity From the ATEMPT Trial (TBCRC 033), a Phase II Randomized Trial of Adjuvant T-DM1 vs. TH in Women With Stage I HER2 Positive Breast Cancer
Bellon J, Tayob N, Burstein H, Partridge A, Demeo M, Tralins J, Yang D, Dang C, Isakoff S, Yardley D, Valero V, Winer E, Krop I, Tolaney S. Local Therapy Outcomes and Toxicity From the ATEMPT Trial (TBCRC 033), a Phase II Randomized Trial of Adjuvant T-DM1 vs. TH in Women With Stage I HER2 Positive Breast Cancer. International Journal Of Radiation Oncology • Biology • Physics 2021, 111: s34. DOI: 10.1016/j.ijrobp.2021.07.103.Peer-Reviewed Original ResearchT-DM1 armBreast conserving surgeryPartial breast irradiationT-DM1Radiation therapyBreast cancerLocal recurrenceSkin toxicityGrade 2 acute skin toxicityProspective randomized phase II studyGrade 3 skin toxicityHormone receptor-positive diseaseRandomized phase II studyPhase II Randomized TrialAdjuvant T-DM1Conclusions Radiation therapyGrade 2 pneumonitisGrade 3 pneumonitisIpsilateral rib fracturesPhase II studyReceptor-positive diseaseWeeks of therapyAcute skin toxicityAnti-HER2 therapyNodal radiation therapyChemotherapy-related amenorrhea (CRA) after adjuvant ado-trastuzumab emtansine (T-DM1) compared to paclitaxel in combination with trastuzumab (TH) (TBCRC033: ATEMPT Trial)
Ruddy KJ, Zheng Y, Tayob N, Hu J, Dang CT, Yardley DA, Isakoff SJ, Valero VV, Faggen MG, Mulvey TM, Bose R, Sella T, Weckstein DJ, Wolff AC, Reeder-Hayes KE, Rugo HS, Ramaswamy B, Zuckerman DS, Hart LL, Gadi VK, Constantine M, Cheng KL, Briccetti FM, Schneider BP, Merrill Garrett A, Kelly Marcom P, Albain KS, DeFusco PA, Tung NM, Ardman BM, Nanda R, Jankowitz RC, Rimawi M, Abramson V, Pohlmann PR, Van Poznak C, Forero-Torres A, Liu MC, Rosenberg S, DeMeo MK, Burstein HJ, Winer EP, Krop IE, Partridge AH, Tolaney SM. Chemotherapy-related amenorrhea (CRA) after adjuvant ado-trastuzumab emtansine (T-DM1) compared to paclitaxel in combination with trastuzumab (TH) (TBCRC033: ATEMPT Trial). Breast Cancer Research And Treatment 2021, 189: 103-110. PMID: 34120223, DOI: 10.1007/s10549-021-06267-8.Peer-Reviewed Original ResearchConceptsChemotherapy-related amenorrheaEarly-stage breast cancerRisk of infertilityAdo-trastuzumab emtansineT-DM1Gonadotropin-releasing hormone agonistAdjuvant T-DM1T-DM1 3.6Amenorrhea ratesPermanent menopauseStandard HER2Chemotherapy regimensPrimary endpointProtocol therapyMedian ageOvarian toxicityPremature menopauseHormone agonistBreast cancerMenstrual dataMonthsAmenorrheaEmtansineMenopauseTrastuzumabAdjuvant 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 feature
2020
A phase Ib study of pembrolizumab (pembro) plus trastuzumab emtansine (T-DM1) for metastatic HER2+ breast cancer (MBC).
Waks A, Keenan T, Li T, Tayob N, Wulf G, Richardson E, Mittendorf E, Overmoyer B, Krop I, Winer E, Van Allen E, Agudo J, Tolaney S. A phase Ib study of pembrolizumab (pembro) plus trastuzumab emtansine (T-DM1) for metastatic HER2+ breast cancer (MBC). Journal Of Clinical Oncology 2020, 38: 1046-1046. DOI: 10.1200/jco.2020.38.15_suppl.1046.Peer-Reviewed Original ResearchObjective response rateProgression-free survivalAdverse eventsT-DM1PD-L1 combined positive scoreTumor-infiltrating lymphocyte (TIL) statusClinical benefit rateDose-finding cohortMedian age 54Phase 2 dosePhase Ib studyCombined positive scoreAnti-PD1 antibodyPhase 1 trialDe-escalation designEligible patientsLymphocyte statusMetastatic HER2Expansion cohortOral mucositisPrimary endpointSecondary endpointsAntitumor immunityImmune signaturesPrior linesPrimary analysis of KAITLIN: A phase III study of trastuzumab emtansine (T-DM1) + pertuzumab versus trastuzumab + pertuzumab + taxane, after anthracyclines as adjuvant therapy for high-risk HER2-positive early breast cancer (EBC).
Harbeck N, Im S, Barrios C, Bonnefoi H, Gralow J, Toi M, Ellis P, Gianni L, Swain S, Im Y, De Laurentiis M, Nowecki Z, Shah J, Boulet T, Liu H, Macharia H, Trask P, Song C, Winer E, Krop I. Primary analysis of KAITLIN: A phase III study of trastuzumab emtansine (T-DM1) + pertuzumab versus trastuzumab + pertuzumab + taxane, after anthracyclines as adjuvant therapy for high-risk HER2-positive early breast cancer (EBC). Journal Of Clinical Oncology 2020, 38: 500-500. DOI: 10.1200/jco.2020.38.15_suppl.500.Peer-Reviewed Original ResearchHER2-positive early breast cancerInvasive disease-free survivalEarly breast cancerPatient-reported outcomesCo-primary endpointsStandard of careT-DM1ITT populationOverall survivalAnthracycline-based chemotherapyOpen-label studyDisease-free survivalPhase III studyWeeks of surgeryHigh-risk populationChemotherapy-associated toxicityAdjuvant taxanesConcurrent trastuzumabEndocrine therapySecondary endpointsAdjuvant radiotherapyAdjuvant therapyIII studyNodal statusMore patients
2019
HER2 heterogeneity as a predictor of response to neoadjuvant T-DM1 plus pertuzumab: Results from a prospective clinical trial.
Metzger Filho O, Viale G, Trippa L, Li T, Yardley D, Mayer I, Abramson V, Arteaga C, Spring L, Waks A, Janiszewska M, Wrabel E, Demeo M, Bardia A, King T, Polyak K, Winer E, Krop I. HER2 heterogeneity as a predictor of response to neoadjuvant T-DM1 plus pertuzumab: Results from a prospective clinical trial. Journal Of Clinical Oncology 2019, 37: 502-502. DOI: 10.1200/jco.2019.37.15_suppl.502.Peer-Reviewed Original ResearchPathologic complete responseER statusRCB 0T-DM1HER2 heterogeneitySignificant associationUltrasound-guided core biopsyRoutine pathology evaluationMedian tumor sizeProspective clinical trialsPredictors of responseAreas of tumorHigh rateCurative settingRCB-IIRCB-IIIPrimary endpointComplete responseHER2 positivityPathologic responseTherapy regimenEvaluable casesTumor sizeCore biopsyClinical trials
2017
T-DM1 — an important agent in the history of breast cancer management
Metzger-Filho O, Winer EP. T-DM1 — an important agent in the history of breast cancer management. Nature Reviews Clinical Oncology 2017, 14: 651-652. PMID: 28786416, DOI: 10.1038/nrclinonc.2017.123.Peer-Reviewed Original ResearchConceptsT-DM1HER2-positive breast cancerOverall survival benefitFavorable safety profileBreast cancer managementRelevant therapeutic targetTH3RESA trialProlonged followSurvival benefitSafety profileBreast cancerCancer managementTherapeutic targetLater linesImportant agentsPatientsHER2FollowCancerDiseaseTrialsA mouse-human phase I co-clinical trial of taselisib in combination with TDM1 in advanced HER2-positive breast cancer (MBC).
Metzger Filho O, Goel S, Barry W, Hamilton E, Tolaney S, Yardley D, Rees R, Demeo M, Mills C, Hafner M, Winer E, Zhao J, Krop I. A mouse-human phase I co-clinical trial of taselisib in combination with TDM1 in advanced HER2-positive breast cancer (MBC). Journal Of Clinical Oncology 2017, 35: 1030-1030. DOI: 10.1200/jco.2017.35.15_suppl.1030.Peer-Reviewed Original ResearchPhase Ib studyT-DM1Co-clinical trialsIb studyAdvanced HER2-positive breast cancerT-DM1-resistant cellsHER2-positive breast cancerPR/CRAcceptable safety profileAnti-HER2 therapyPI3K blockadePre-clinical experimentsConfirmed responsesMedian PFSPJP prophylaxisMedian durationMedian agePIK3CA H1047RPIK3CA statusSafety profilePneumocystis pneumoniaHER2 expressionClinical resultsMammary carcinomaBreast cancerA 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
2014
Systemic 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 therapyTrastuzumab Emtansine: A Novel Antibody–Drug Conjugate for HER2-Positive Breast Cancer
Krop I, Winer EP. Trastuzumab Emtansine: A Novel Antibody–Drug Conjugate for HER2-Positive Breast Cancer. Clinical Cancer Research 2014, 20: 15-20. PMID: 24135146, DOI: 10.1158/1078-0432.ccr-13-0541.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerT-DM1Breast cancerAntibody-drug conjugatesAntibody-dependent cell-mediated cytotoxicityRecent phase III trialsHER2-positive breast cancerNovel antibody-drug conjugateCapecitabine/lapatinibFirst-line settingHepatic transaminase elevationsCombination of trastuzumabPhase II studyProgression-free survivalPhase III trialsInhibition of HER2Cell-mediated cytotoxicityFavorable toxicity profileHER2-positive tumor cellsMonoclonal antibody trastuzumabTransaminase elevationII studyIII trialsOverall survivalAdverse events
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
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