2021
Chemotherapy-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 dataMonthsAmenorrheaEmtansineMenopauseTrastuzumab
2018
Tucatinib Combined With Ado-Trastuzumab Emtansine in Advanced ERBB2/HER2-Positive Metastatic Breast Cancer: A Phase 1b Clinical Trial
Borges VF, Ferrario C, Aucoin N, Falkson C, Khan Q, Krop I, Welch S, Conlin A, Chaves J, Bedard PL, Chamberlain M, Gray T, Vo A, Hamilton E. Tucatinib Combined With Ado-Trastuzumab Emtansine in Advanced ERBB2/HER2-Positive Metastatic Breast Cancer: A Phase 1b Clinical Trial. JAMA Oncology 2018, 4: 1214-1220. PMID: 29955792, PMCID: PMC6143009, DOI: 10.1001/jamaoncol.2018.1812.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAdultAntineoplastic Combined Chemotherapy ProtocolsArea Under CurveBreast NeoplasmsDiarrheaDrug Administration ScheduleFatigueFemaleHumansKaplan-Meier EstimateMaytansineMiddle AgedNauseaNeoplasm MetastasisProtein Kinase InhibitorsReceptor, ErbB-2Response Evaluation Criteria in Solid TumorsTrastuzumabConceptsHER2-positive metastatic breast cancerMetastatic breast cancerAdo-trastuzumab emtansineT-DM1Breast cancerTyrosine kinase inhibitorsBrain metastasesAdverse eventsClinical trialsToxic reactionsDose-limiting toxic reactionHuman epidermal growth factor receptor 2HER2-positive breast cancerEpidermal growth factor receptor 2Phase 1b clinical trialGrowth factor receptor 2ERBB2/HER2-positive breast cancerPreliminary antitumor activityTreatment of patientsSpecific tyrosine kinase inhibitorYears of ageDrug-drug interactionsFactor receptor 2Hepatic transaminitisHER2 therapy
2017
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
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-2TrastuzumabPhase 1b/2a study of trastuzumab emtansine (T-DM1), paclitaxel, and pertuzumab in HER2-positive metastatic breast cancer
Krop IE, Modi S, LoRusso PM, Pegram M, Guardino E, Althaus B, Lu D, Strasak A, Elias A. Phase 1b/2a study of trastuzumab emtansine (T-DM1), paclitaxel, and pertuzumab in HER2-positive metastatic breast cancer. Breast Cancer Research 2016, 18: 34. PMID: 26979312, PMCID: PMC4791863, DOI: 10.1186/s13058-016-0691-7.Peer-Reviewed Original ResearchConceptsClinical benefit ratePhase 1b/2a studyObjective response rateT-DM1Adverse eventsPaclitaxel dosesPeripheral neuropathyBreast cancerHER2-positive advanced breast cancerHER2-positive metastatic breast cancerPhase 2aPhase 1bGrade adverse eventsT-DM1 3.6Advanced breast cancerMetastatic breast cancerDose-escalation approachPre-clinical studiesAnti-tumor activityConclusionsThis regimenExperienced gradeMeasurable diseasePaclitaxel 80Prior therapyResultsThe MTD
2015
Trastuzumab Emtansine (T-DM1) in Patients With HER2-Positive Metastatic Breast Cancer Previously Treated With Chemotherapy and 2 or More HER2-Targeted Agents
Yardley DA, Krop IE, LoRusso PM, Mayer M, Barnett B, Yoo B, Perez EA. Trastuzumab Emtansine (T-DM1) in Patients With HER2-Positive Metastatic Breast Cancer Previously Treated With Chemotherapy and 2 or More HER2-Targeted Agents. The Cancer Journal 2015, 21: 357-364. PMID: 26389758, DOI: 10.1097/ppo.0000000000000144.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAdultAgedAntibodies, Monoclonal, HumanizedAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsBreast Neoplasms, MaleComorbidityFemaleHumansMaleMaytansineMiddle AgedMolecular Targeted TherapyNeoplasm MetastasisNeoplasm Recurrence, LocalNeoplasm StagingReceptor, ErbB-2RetreatmentTrastuzumabTreatment OutcomeConceptsMetastatic breast cancerObjective response rateAdvanced breast cancerBreast cancerT-DM1Measurable diseaseAdverse eventsTrastuzumab emtansineGrade 3Investigator-assessed objective response rateHER2-positive metastatic breast cancerResponse ratePositive metastatic breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Grade adverse eventsNew safety signalsPhase III studyGrowth factor receptor 2Significant cardiovascular diseaseVentricular ejection fractionPlatelet count decreaseSimilar patient populationsRoutine clinical practiceFactor receptor 2Feasibility and Cardiac Safety of Trastuzumab Emtansine After Anthracycline-Based Chemotherapy As (neo)Adjuvant Therapy for Human Epidermal Growth Factor Receptor 2–Positive Early-Stage Breast Cancer
Krop IE, Suter TM, Dang CT, Dirix L, Romieu G, Zamagni C, Citron ML, Campone M, Xu N, Smitt M, Gianni L. Feasibility and Cardiac Safety of Trastuzumab Emtansine After Anthracycline-Based Chemotherapy As (neo)Adjuvant Therapy for Human Epidermal Growth Factor Receptor 2–Positive Early-Stage Breast Cancer. Journal Of Clinical Oncology 2015, 33: 1136-1142. PMID: 25713436, PMCID: PMC5657012, DOI: 10.1200/jco.2014.58.7782.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAnthracyclinesAntibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantCombined Modality TherapyCyclophosphamideDoxorubicinDrug Administration ScheduleEpirubicinFeasibility StudiesFluorouracilHeadacheHeart FailureHumansMaytansineMiddle AgedNauseaNeoplasm StagingReceptor, ErbB-2TrastuzumabTreatment OutcomeYoung AdultConceptsEarly-stage breast cancerHER2-positive early-stage breast cancerHuman epidermal growth factor receptorT-DM1Breast cancerEpidermal growth factor receptorGrowth factor receptorCardiac eventsCardiac safetyTrastuzumab emtansineSymptomatic congestive heart failureAsymptomatic LVEF declineCytotoxic agent DM1Planned radiation doseAnthracycline-based chemotherapyCoprimary end pointsPhase III trialsCongestive heart failureFactor receptorMetastatic breast cancerVentricular ejection fractionT-DM1 treatmentStage breast cancerLVEF declineAdverse events
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 eventsTrastuzumab Emtansine in Human Epidermal Growth Factor Receptor 2–Positive Metastatic Breast Cancer: An Integrated Safety Analysis
Diéras V, Harbeck N, Budd GT, Greenson JK, Guardino AE, Samant M, Chernyukhin N, Smitt MC, Krop IE. Trastuzumab Emtansine in Human Epidermal Growth Factor Receptor 2–Positive Metastatic Breast Cancer: An Integrated Safety Analysis. Journal Of Clinical Oncology 2014, 32: 2750-2757. PMID: 25024070, DOI: 10.1200/jco.2013.54.4999.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerHER2-positive metastatic breast cancerHuman epidermal growth factor receptor 2Adverse eventsDrug discontinuationSafety profileT-DM1Trastuzumab emtansineBreast cancerGrade 3Dose reductionEpidermal growth factor receptor 2Human epidermal growth factor receptorCommon grade 3Grade adverse eventsRandomized phase IISelect adverse eventsBreast cancer settingGreater adverse eventsGrowth factor receptor 2Single-arm studyT-DM1 treatmentFavorable safety profileFactor receptor 2Epidermal growth factor receptorSystemic 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 versus treatment of physician's choice for pretreated HER2-positive advanced breast cancer (TH3RESA): a randomised, open-label, phase 3 trial
Krop IE, Kim SB, González-Martín A, LoRusso PM, Ferrero JM, Smitt M, Yu R, Leung AC, Wildiers H, collaborators O. Trastuzumab emtansine versus treatment of physician's choice for pretreated HER2-positive advanced breast cancer (TH3RESA): a randomised, open-label, phase 3 trial. The Lancet Oncology 2014, 15: 689-699. PMID: 24793816, DOI: 10.1016/s1470-2045(14)70178-0.Peer-Reviewed Original ResearchConceptsHER2-positive advanced breast cancerPhysician's choice groupWorse adverse eventsAdvanced breast cancerProgression-free survivalInterim overall survival analysisPhase 3 trialTrastuzumab emtansineAdverse eventsOverall survival analysisBreast cancerPhysician's choiceGrade 3Investigator-assessed progression-free survivalSurvival analysisBlock randomisation schemeCytotoxic agent DM1Previous taxane therapySerious adverse eventsWeb response systemMetastatic breast cancerEffective therapeutic optionPopulation of patientsFinal PFS analysisChoice groupTrastuzumab 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
2013
An Integrated Multiple-Analyte Pharmacokinetic Model to Characterize Trastuzumab Emtansine (T-DM1) Clearance Pathways and to Evaluate Reduced Pharmacokinetic Sampling in Patients with HER2-Positive Metastatic Breast Cancer
Lu D, Joshi A, Wang B, Olsen S, Yi JH, Krop IE, Burris HA, Girish S. An Integrated Multiple-Analyte Pharmacokinetic Model to Characterize Trastuzumab Emtansine (T-DM1) Clearance Pathways and to Evaluate Reduced Pharmacokinetic Sampling in Patients with HER2-Positive Metastatic Breast Cancer. Clinical Pharmacokinetics 2013, 52: 657-672. PMID: 23553425, DOI: 10.1007/s40262-013-0060-y.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerIntegrated population pharmacokinetic modelTotal trastuzumabPopulation pharmacokinetic modelT-DM1Pharmacokinetic dataPharmacokinetic profileBreast cancerClearance pathwaysPharmacokinetic samplingPharmacokinetic modelHER2-positive metastatic breast cancerPositive metastatic breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Cytotoxic agent DM1Growth factor receptor 2T-DM1 treatmentEnd of infusionFactor receptor 2Serum concentration dataMonoclonal antibody trastuzumabTrastuzumab pharmacokineticsFaster clearance rateTaxane chemotherapy
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 population pharmacokinetic/pharmacodynamic model of thrombocytopenia characterizing the effect of trastuzumab emtansine (T-DM1) on platelet counts in patients with HER2-positive metastatic breast cancer
Bender BC, Schaedeli-Stark F, Koch R, Joshi A, Chu YW, Rugo H, Krop IE, Girish S, Friberg LE, Gupta M. A population pharmacokinetic/pharmacodynamic model of thrombocytopenia characterizing the effect of trastuzumab emtansine (T-DM1) on platelet counts in patients with HER2-positive metastatic breast cancer. Cancer Chemotherapy And Pharmacology 2012, 70: 591-601. PMID: 22886072, DOI: 10.1007/s00280-012-1934-7.Peer-Reviewed Original ResearchConceptsT-DM1 3.6Incidence of gradePK/PD modelBaseline characteristicsPlatelet countT-DM1Semimechanistic PK/PD modelHER2-positive metastatic breast cancerPharmacodynamic modelPD modelHuman epidermal growth factor receptorGrade 3 thrombocytopeniaPatient baseline characteristicsPhase II studyDose-limiting toxicityMetastatic breast cancerPatient's platelet countSingle-agent studiesPD parametersEpidermal growth factor receptorAntibody-drug conjugatesGrowth factor receptorDose delaysFirst doseII studyA phase 1 study of weekly dosing of trastuzumab emtansine (T‐DM1) in patients with advanced human epidermal growth factor 2–positive breast cancer
Beeram M, Krop IE, Burris HA, Girish SR, Yu W, Lu MW, Holden SN, Modi S. A phase 1 study of weekly dosing of trastuzumab emtansine (T‐DM1) in patients with advanced human epidermal growth factor 2–positive breast cancer. Cancer 2012, 118: 5733-5740. PMID: 22648179, DOI: 10.1002/cncr.27622.Peer-Reviewed Original ResearchConceptsHER2-positive metastatic breast cancerMetastatic breast cancerAdverse eventsT-DM1Breast cancerTrastuzumab emtansineObjective partial tumor responseTreatment-related adverse eventsClinical benefit rateDose-escalation studyPartial tumor responsePhase 1 studyTotal trastuzumabDose modificationMedian durationWeekly doseWeekly dosingAdditional patientsTumor responseBenefit rateHuman epidermal growth factorEpidermal growth factorPatientsGrowth factorAntitumor activityA 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 receptorClinical pharmacology of trastuzumab emtansine (T-DM1): an antibody–drug conjugate in development for the treatment of HER2-positive cancer
Girish S, Gupta M, Wang B, Lu D, Krop IE, Vogel CL, Burris III HA, LoRusso PM, Yi JH, Saad O, Tong B, Chu YW, Holden S, Joshi A. Clinical pharmacology of trastuzumab emtansine (T-DM1): an antibody–drug conjugate in development for the treatment of HER2-positive cancer. Cancer Chemotherapy And Pharmacology 2012, 69: 1229-1240. PMID: 22271209, PMCID: PMC3337408, DOI: 10.1007/s00280-011-1817-3.Peer-Reviewed Original ResearchConceptsSingle-agent T-DM1Anti-therapeutic antibodiesT-DM1 exposureTotal trastuzumabT-DM1Positive metastatic breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Standard noncompartmental approachT-DM1 pharmacokineticsGrowth factor receptor 2Key adverse eventsMetastatic breast cancerHER2-positive cancersStable thioether linkerConcentrations of transaminasesFactor receptor 2Enzyme-linked immunosorbent assayEnzyme-linked immunosorbentHER2 extracellular domainAntibody-drug conjugatesEvaluable patientsPrior therapyClinical responseAdverse events
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