2024
Adjuvant Trastuzumab Emtansine Versus Paclitaxel Plus Trastuzumab for Stage I Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer: 5-Year Results and Correlative Analyses From ATEMPT
Tarantino P, Tayob N, Villacampa G, Dang C, Yardley D, Isakoff S, Valero V, Faggen M, Mulvey T, Bose R, Weckstein D, Wolff A, Reeder-Hayes K, Rugo H, Ramaswamy B, Zuckerman D, Hart L, Gadi V, Constantine M, Cheng K, Garrett A, Marcom P, Albain K, DeFusco P, Tung N, Ardman B, Nanda R, Jankowitz R, Rimawi M, Abramson V, Pohlmann P, Van Poznak C, Forero-Torres A, Liu M, Ruddy K, Waks A, DeMeo M, Burstein H, Partridge A, Dell'Orto P, Russo L, Krause E, Newhouse D, Kurt B, Mittendorf E, Schneider B, Prat A, Winer E, Krop I, Tolaney S, Investigators T, Barroso-Sousa R, Curigliano G, DiLullo M, Hui W, Kirkup C, Viale G, Zheng Y. Adjuvant Trastuzumab Emtansine Versus Paclitaxel Plus Trastuzumab for Stage I Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer: 5-Year Results and Correlative Analyses From ATEMPT. Journal Of Clinical Oncology 2024, 42: 3652-3665. PMID: 38935923, PMCID: PMC11527383, DOI: 10.1200/jco.23.02170.Peer-Reviewed Original ResearchInvasive disease-free survivalRecurrence-free intervalAdjuvant T-DM1T-DM1Long-term outcomesBreast cancerStage I HER2-positive breast cancerInvasive disease-free survival eventsLong-term outcomes of patientsBreast cancer-specific survivalHER2-positive breast cancerAdjuvant trastuzumab emtansinePredictors of thrombocytopeniaRisk scoreT-DM1 armCancer-specific survivalHormone receptor statusHigh-risk tumorsDisease-free survivalMedian follow-upClinically relevant toxicitiesRisk of recurrenceOutcomes of patientsHER2 immunohistochemical scoresTH armPrediction of Benefit From Adjuvant Pertuzumab by 80-Gene Signature in the APHINITY (BIG 4-11) Trial
Krop I, Mittempergher L, Paulson J, Andre F, Bonnefoi H, Loi S, Loibl S, Gelber R, Caballero C, Bhaskaran R, Dreezen C, Menicucci A, Bernards R, van ’t Veer L, Piccart M. Prediction of Benefit From Adjuvant Pertuzumab by 80-Gene Signature in the APHINITY (BIG 4-11) Trial. JCO Precision Oncology 2024, 8: e2200667. PMID: 38237097, DOI: 10.1200/po.22.00667.Peer-Reviewed Original ResearchConceptsInvasive disease-free survivalHER2 typeLuminal typeInvasive disease-free survival eventsHazard ratioEarly-stage breast cancerLuminal-type tumorsMolecular subtype signaturesAnti-HER2 therapyHER2-positive tumorsDisease-free survivalStandard adjuvant chemotherapyBasal-type tumorsBasal typePredictive of benefitAdjuvant pertuzumabAPHINITY trialHER2-typeHER2-positiveInferior prognosisAdjuvant chemotherapyTumor subtypesNo significant differenceAnti-HER2Breast tumors
2023
Adjuvant paclitaxel and trastuzumab for node-negative, HER2-positive breast cancer: final 10-year analysis of the open-label, single-arm, phase 2 APT trial
Tolaney S, Tarantino P, Graham N, Tayob N, Parè L, Villacampa G, Dang C, Yardley D, Moy B, Marcom P, Albain K, Rugo H, Ellis M, Shapira I, Wolff A, Carey L, Barroso-Sousa R, Villagrasa P, DeMeo M, DiLullo M, Zanudo J, Weiss J, Wagle N, Partridge A, Waks A, Hudis C, Krop I, Burstein H, Prat A, Winer E. Adjuvant paclitaxel and trastuzumab for node-negative, HER2-positive breast cancer: final 10-year analysis of the open-label, single-arm, phase 2 APT trial. The Lancet Oncology 2023, 24: 273-285. PMID: 36858723, DOI: 10.1016/s1470-2045(23)00051-7.Peer-Reviewed Original ResearchConceptsHER2-positive breast cancerInvasive disease-free survivalDisease-free survivalRecurrence-free intervalAdjuvant paclitaxelBreast cancerEastern Cooperative Oncology Group performance statusInvasive disease-free survival eventsDisease-free survival eventsHormone receptor-positive diseaseNew contralateral breast cancerBreast cancer-specific survivalProtocol-defined treatmentCancer-specific survivalReceptor-positive diseasePhase 2 studyContralateral breast cancerLong-term outcomesAPT trialCause deathEligible patientsIntravenous paclitaxelTrastuzumab weeklyDistant recurrenceIpsilateral recurrence
2022
Six-year absolute invasive disease-free survival benefit of adding adjuvant pertuzumab to trastuzumab and chemotherapy for patients with early HER2-positive breast cancer: A Subpopulation Treatment Effect Pattern Plot (STEPP) analysis of the APHINITY (BIG 4-11) trial
Gelber RD, Wang XV, Cole BF, Cameron D, Cardoso F, Tjan-Heijnen V, Krop I, Loi S, Salgado R, Kiermaier A, Frank E, Fumagalli D, Caballero C, de Azambuja E, Procter M, Clark E, Restuccia E, Heeson S, Bines J, Loibl S, Piccart-Gebhart M, Committee and Investigators A. Six-year absolute invasive disease-free survival benefit of adding adjuvant pertuzumab to trastuzumab and chemotherapy for patients with early HER2-positive breast cancer: A Subpopulation Treatment Effect Pattern Plot (STEPP) analysis of the APHINITY (BIG 4-11) trial. European Journal Of Cancer 2022, 166: 219-228. PMID: 35313167, DOI: 10.1016/j.ejca.2022.01.031.Peer-Reviewed Original ResearchConceptsSubpopulation treatment effect pattern plotInvasive disease-free survivalComposite risk scoreAdjuvant pertuzumabAPHINITY trialTIL percentageBreast cancerRisk scoreSubpopulation treatment effect pattern plot analysisEarly HER2-positive breast cancerDisease-free survival benefitHER2-positive breast cancerTreatment effectsNode-positive cohortDisease-free survivalEarly breast cancerNodal statusSurvival benefitLymphocyte percentagePatient subpopulationsComposite riskPatientsCovariates of interestChemotherapyPertuzumabLocal 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
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 eventsAlliance 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 cancerPlaceboAdjuvant 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 toxicityWeeksTrastuzumabCancerPaclitaxelA011801 (CompassHER2 RD): Postneoadjuvant T-DM1 + tucatinib/placebo in patients with residual HER2-positive invasive breast cancer.
O'Sullivan C, Ballman K, McCall L, Zemla T, Weiss A, Mitchell M, Blinder V, Tung N, Irvin W, Lee M, Goetz M, Symmans W, Borges V, Krop I, Partridge A, Carey L. A011801 (CompassHER2 RD): Postneoadjuvant T-DM1 + tucatinib/placebo in patients with residual HER2-positive invasive breast cancer. Journal Of Clinical Oncology 2021, 39: tps595-tps595. DOI: 10.1200/jco.2021.39.15_suppl.tps595.Peer-Reviewed Original ResearchInvasive disease-free survivalEarly breast cancerTyrosine kinase inhibitorsAdjuvant T-DM1Neoadjuvant therapyPathologic complete responseDisease-free survivalResidual diseaseT-DM1Postoperative chemotherapyAdjuvant radiationBreast cancerHER2-positive invasive breast cancerBrain metastasis-free survivalBreast cancer-free survivalPathologic lymph node statusDistant recurrence-free survivalClinical stage IIInvasive residual diseasePost-neoadjuvant therapyCancer-free survivalDe-escalation trialsLymph node statusRecurrence-free survivalSelective tyrosine kinase inhibitorAdjuvant Pertuzumab and Trastuzumab in Early HER2-Positive Breast Cancer in the APHINITY Trial: 6 Years' Follow-Up
Piccart M, Procter M, Fumagalli D, de Azambuja E, Clark E, Ewer MS, Restuccia E, Jerusalem G, Dent S, Reaby L, Bonnefoi H, Krop I, Liu TW, Pieńkowski T, Toi M, Wilcken N, Andersson M, Im YH, Tseng LM, Lueck HJ, Colleoni M, Monturus E, Sicoe M, Guillaume S, Bines J, Gelber RD, Viale G, Thomssen C. Adjuvant Pertuzumab and Trastuzumab in Early HER2-Positive Breast Cancer in the APHINITY Trial: 6 Years' Follow-Up. Journal Of Clinical Oncology 2021, 39: 1448-1457. PMID: 33539215, DOI: 10.1200/jco.20.01204.Peer-Reviewed Original ResearchConceptsInvasive disease-free survivalBreast cancerHazard ratioOverall survivalHigh-risk node-negative breast cancerEarly HER2-positive breast cancerHER2-positive early breast cancerNode-negative breast cancerHuman epidermal growth factor receptor 2HER2-positive breast cancerEpidermal growth factor receptor 2HR-negative diseaseHR-positive diseaseInterim overall survivalNode-negative cohortNode-positive cohortPrimary cardiac eventsSix-year OSStandard adjuvant chemotherapyDisease-free survivalNew safety signalsEarly breast cancerGrowth factor receptor 2Standard adjuvant therapyPositive breast cancer
2020
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).
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