2023
Trastuzumab deruxtecan in previously treated patients with HER2-positive metastatic breast cancer: updated survival results from a phase II trial (DESTINY-Breast01) ☆
Saura C, Modi S, Krop I, Park Y, Kim S, Tamura K, Iwata H, Tsurutani J, Sohn J, Mathias E, Liu Y, Cathcart J, Singh J, Yamashita T. Trastuzumab deruxtecan in previously treated patients with HER2-positive metastatic breast cancer: updated survival results from a phase II trial (DESTINY-Breast01) ☆. Annals Of Oncology 2023, 35: 302-307. PMID: 38092229, PMCID: PMC11322859, DOI: 10.1016/j.annonc.2023.12.001.Peer-Reviewed Original ResearchHER2-positive metastatic breast cancerTreatment-emergent adverse eventsMetastatic breast cancerObjective response rateProgression-free survivalDuration of responseIndependent central reviewT-DXdAdverse eventsOverall survivalTrastuzumab deruxtecanCentral reviewBreast cancerDrug-related treatment-emergent adverse eventsInterstitial lung disease/pneumonitisResponse rateMedian progression-free survivalPositive metastatic breast cancerHuman epidermal growth factor receptor 2End pointEpidermal growth factor receptor 2Sustained antitumor activityAntitumor activityMedian overall survivalPrimary end pointCorrelation of SUV on Early Interim PET with Recurrence-Free Survival and Overall Survival in Primary Operable HER2-Positive Breast Cancer (the TBCRC026 Trial)
Hennessy M, Leal J, Huang C, Solnes L, Denbow R, Abramson V, Carey L, Liu M, Rimawi M, Specht J, Storniolo A, Valero V, Vaklavas C, Winer E, Krop I, Wolff A, Cimino-Mathews A, Wahl R, Stearns V, Connolly R. Correlation of SUV on Early Interim PET with Recurrence-Free Survival and Overall Survival in Primary Operable HER2-Positive Breast Cancer (the TBCRC026 Trial). Journal Of Nuclear Medicine 2023, 64: jnumed.123.265853. PMID: 37652539, DOI: 10.2967/jnumed.123.265853.Peer-Reviewed Original ResearchConceptsF-FDG PET/CTHER2-positive breast cancerRecurrence-free survivalPET/CTPathologic complete responseOverall survivalBreast cancerOperable HER2-positive breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Growth factor receptor 2Kaplan-Meier methodStatistical significanceLean body massFactor receptor 2Imaging-based biomarkersCorrelation of SUVHER2 therapyNeoadjuvant trastuzumabNeoadjuvant therapyAdjuvant therapyComplete responsePhysician's discretionOS outcomesCox regression
2022
Phase 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 blockadePhase 2 trial of tucatinib plus trastuzumab deruxtecan in patients with HER2+ locally advanced or metastatic breast cancer with and without brain metastases (HER2CLIMB-04, trial in progress).
Krop I, Carey L, Ramos J, Chen Y, Hamilton E. Phase 2 trial of tucatinib plus trastuzumab deruxtecan in patients with HER2+ locally advanced or metastatic breast cancer with and without brain metastases (HER2CLIMB-04, trial in progress). Journal Of Clinical Oncology 2022, 40: tps1111-tps1111. DOI: 10.1200/jco.2022.40.16_suppl.tps1111.Peer-Reviewed Original ResearchHuman epidermal growth factor receptor 2Metastatic breast cancerDisease control rateProgression-free survivalDuration of responseBrain metastasesAntibody-drug conjugatesRECIST 1.1Trastuzumab deruxtecanInvestigator assessmentBreast cancerSmall molecule tyrosine kinase inhibitorsTopoisomerase I inhibitor payloadEpidermal growth factor receptor 2Monoclonal antibodiesBreast cancer xenograft modelActive brain metastasesResponse-evaluable patientsManageable safety profileObjective response ratePhase 2 studyPhase 2 trialGrowth factor receptor 2Limited treatment optionsPatient-reported outcomesManagement of Advanced Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer and Brain Metastases: ASCO Guideline Update
Ramakrishna N, Anders CK, Lin NU, Morikawa A, Temin S, Chandarlapaty S, Crews JR, Davidson NE, Franzoi MAB, Kirshner JJ, Krop IE, Patt DA, Perlmutter J, Giordano SH. Management of Advanced Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer and Brain Metastases: ASCO Guideline Update. Journal Of Clinical Oncology 2022, 40: 2636-2655. PMID: 35640075, DOI: 10.1200/jco.22.00520.Peer-Reviewed Original ResearchConceptsWhole brain radiotherapyAdvanced breast cancerBrain metastasesSystemic therapyBreast cancerLocal therapyGuideline recommendationsAdvanced human epidermal growth factor receptorHER2-positive advanced breast cancerPositive advanced breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Human epidermal growth factor receptorAppropriate local therapyASCO Guideline UpdateBest supportive careProgression-free survivalSize of metastasesGrowth factor receptor 2Presence of symptomsRoutine magnetic resonanceFactor receptor 2Outcomes of interestMagnetic resonance imagingEpidermal growth factor receptorSystemic Therapy for Advanced Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer: ASCO Guideline Update
Giordano SH, Franzoi MAB, Temin S, Anders CK, Chandarlapaty S, Crews JR, Kirshner JJ, Krop IE, Lin NU, Morikawa A, Patt DA, Perlmutter J, Ramakrishna N, Davidson NE. Systemic Therapy for Advanced Human Epidermal Growth Factor Receptor 2–Positive Breast Cancer: ASCO Guideline Update. Journal Of Clinical Oncology 2022, 40: 2612-2635. PMID: 35640077, DOI: 10.1200/jco.22.00519.Peer-Reviewed Original ResearchConceptsAdvanced breast cancerBreast cancerSystemic therapyTrastuzumab deruxtecanGuideline recommendationsAdvanced human epidermal growth factor receptorHER2-positive advanced breast cancerProgesterone receptor-positive breast cancerClinical congestive heart failureEvidence-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 receptorASCO Guideline UpdateThird-line settingSecond-line treatmentFirst-line therapyFirst-line treatmentTime of progressionAbsence of progressionCongestive heart failureLocal 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 eventsA phase II study of efficacy, toxicity, and the potential impact of genomic alterations on response to eribulin mesylate in combination with trastuzumab and pertuzumab in women with human epidermal growth factor receptor 2 (HER2)+ metastatic breast cancer
Balch SM, Vaz-Luis I, Li T, Tayob N, Jain E, Helvie K, Buendia-Buendia JE, Shannon E, Isakoff SJ, Tung NM, Krop IE, Lin NU, Wagle N, Freedman RA. A phase II study of efficacy, toxicity, and the potential impact of genomic alterations on response to eribulin mesylate in combination with trastuzumab and pertuzumab in women with human epidermal growth factor receptor 2 (HER2)+ metastatic breast cancer. Breast Cancer Research And Treatment 2021, 189: 411-423. PMID: 34302589, DOI: 10.1007/s10549-021-06329-x.Peer-Reviewed Original ResearchConceptsHuman epidermal growth factor receptor 2Objective response ratePhase II studyWhole-exome sequencingEribulin 1.4II studyTreatment landscapeCohort AEribulin mesylateDay 1Genomic alterationsMetastatic breast cancer settingEpidermal growth factor receptor 2More frequent alterationsBreast cancer settingModest clinical activityGrowth factor receptor 2Metastatic breast cancerResponse/resistanceFactor receptor 2Manageable toxicityPertuzumab exposurePrimary endpointSix patientsCohort BPhase II Single-Arm Study to Assess Trastuzumab and Vinorelbine in Advanced Breast Cancer Patients With HER2-Negative Tumors and HER2-Positive Circulating Tumor Cells
Parsons HA, Macrae ER, Guo H, Li T, Barry WT, Tayob N, Wulf GM, Isakoff SJ, Krop IE. Phase II Single-Arm Study to Assess Trastuzumab and Vinorelbine in Advanced Breast Cancer Patients With HER2-Negative Tumors and HER2-Positive Circulating Tumor Cells. JCO Precision Oncology 2021, 5: 896-903. PMID: 34994617, PMCID: PMC9848583, DOI: 10.1200/po.20.00461.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerHER2-positive CTCsHER2-negative metastatic breast cancerObjective response rateBreast cancerHER2-Positive Circulating Tumor CellsHER2-positive metastatic breast cancerResponse rateMedian progression-free survivalPhase II single-arm studyProgressive metastatic breast cancerHER2-negative breast cancerAdvanced breast cancer patientsHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Tumor cellsHER2-positive diseasePrior chemotherapy regimenTumor tissue testingClinical benefit ratePrimary end pointPhase II trialProgression-free survivalGrowth factor receptor 2HER2-negative tumorsHER2CLIMB-04: Phase 2 open label trial of tucatinib plus trastuzumab deruxtecan in patients with HER2+ unresectable locally advanced or metastatic breast cancer with and without brain metastases (trial in progress).
Krop I, Ramos J, Zhang C, Hamilton E. HER2CLIMB-04: Phase 2 open label trial of tucatinib plus trastuzumab deruxtecan in patients with HER2+ unresectable locally advanced or metastatic breast cancer with and without brain metastases (trial in progress). Journal Of Clinical Oncology 2021, 39: tps1097-tps1097. DOI: 10.1200/jco.2021.39.15_suppl.tps1097.Peer-Reviewed Original ResearchHuman epidermal growth factor receptor 2Metastatic breast cancerProgression-free survivalDisease control rateDuration of responseBrain metastasesOverall survivalT-DXdEpidermal growth factor receptorRECIST v1.1Metastatic settingTrastuzumab deruxtecanBreast cancerOpen-label phase 2 trialPhase 2 open-label trialSmall molecule tyrosine kinase inhibitorsTopoisomerase I inhibitor payloadTreatment of HER2Epidermal growth factor receptor 2Molecule tyrosine kinase inhibitorsHuman epidermal growth factor receptorActive brain metastasesCombination of tucatinibSolid Tumors v1.1Objective response rateTrial in progress: A phase 1b/2 study of the PARP inhibitor niraparib in combination with trastuzumab in patients with metastatic HER2+ breast cancer (TBCRC 050).
Stringer-Reasor E, Li Y, Witherspoon F, Specht J, Del Santo Anampa Mesias J, Nanda R, Dees E, Wolff A, Krop I, Lin N, Rimawi M, Yang E. Trial in progress: A phase 1b/2 study of the PARP inhibitor niraparib in combination with trastuzumab in patients with metastatic HER2+ breast cancer (TBCRC 050). Journal Of Clinical Oncology 2021, 39: tps1098-tps1098. DOI: 10.1200/jco.2021.39.15_suppl.tps1098.Peer-Reviewed Original ResearchHuman epidermal growth factor receptor 2Metastatic human epidermal growth factor receptor 2Dose-limiting toxicityBreast cancerResponse rateBC cellsEpidermal growth factor receptor 2Single-arm clinical trialECOG PS 0Efficacy of niraparibObjective response ratePhase 1b/2 studyGrowth factor receptor 2Arm clinical trialPARP inhibitor niraparibFactor receptor 2Poly (ADP-ribose) polymerase (PARP) inhibitorsNF-kB signalingMeasurable diseasePhase 1b/2Accrual goalEligible patientsPS 0Clinical benefitCNS diseaseUpdated Results of TBCRC026: Phase II Trial Correlating Standardized Uptake Value With Pathological Complete Response to Pertuzumab and Trastuzumab in Breast Cancer
Connolly RM, Leal JP, Solnes L, Huang CY, Carpenter A, Gaffney K, Abramson V, Carey LA, Liu MC, Rimawi M, Specht J, Storniolo AM, Valero V, Vaklavas C, Krop IE, Winer EP, Camp M, Miller RS, Wolff AC, Cimino-Mathews A, Park BH, Wahl RL, Stearns V. Updated Results of TBCRC026: Phase II Trial Correlating Standardized Uptake Value With Pathological Complete Response to Pertuzumab and Trastuzumab in Breast Cancer. Journal Of Clinical Oncology 2021, 39: 2247-2256. PMID: 33999652, PMCID: PMC8260904, DOI: 10.1200/jco.21.00280.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedAntineoplastic Agents, ImmunologicalAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantFemaleFluorodeoxyglucose F18HumansMiddle AgedNeoadjuvant TherapyPositron Emission Tomography Computed TomographyPredictive Value of TestsRadiopharmaceuticalsReceptor, ErbB-2Time FactorsTrastuzumabTreatment OutcomeUnited StatesConceptsPositron emission tomography-computed tomographyFluorodeoxyglucose positron emission tomography-computed tomographyHER2-positive breast cancerEmission tomography-computed tomographyPathologic complete responseTomography-computed tomographyStandardized uptake valueBreast cancerComplete responseUptake valuePercent changeOne-sided type ITumor maximum standardized uptake valueHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Maximum standardized uptake valuePathological complete responseGrowth factor receptor 2Median percent reductionPositive breast cancerTailoring of therapyLean body massReceiver operator characteristic analysisFactor receptor 2Operator characteristic analysisThe impact of tumor epithelial and microenvironmental heterogeneity on treatment responses in HER2-positive breast cancer
Janiszewska M, Stein S, Filho O, Eng J, Kingston NL, Harper NW, Rye IH, Alečković M, Trinh A, Murphy KC, Marangoni E, Cristea S, Oakes B, Winer EP, Krop I, Russnes HG, Spellman PT, Bucher E, Hu Z, Chin K, Gray JW, Michor F, Polyak K. The impact of tumor epithelial and microenvironmental heterogeneity on treatment responses in HER2-positive breast cancer. JCI Insight 2021, 6: e147617. PMID: 33886505, PMCID: PMC8262355, DOI: 10.1172/jci.insight.147617.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedAntineoplastic Agents, ImmunologicalBreast NeoplasmsClass I Phosphatidylinositol 3-KinasesDNA Copy Number VariationsDrug Resistance, NeoplasmEpithelial CellsFemaleFibroblastsHumansMacrophagesMiddle AgedMutationNeoplasm TransplantationReceptor, ErbB-2TrastuzumabTumor MicroenvironmentVesicular Transport ProteinsConceptsBreast cancerTherapeutic resistanceHuman epidermal growth factor receptor 2HER2-positive breast cancerEpidermal growth factor receptor 2Patient-derived xenograft modelsLymphatic vessel endothelial hyaluronan receptorHER2-targeted therapiesGrowth factor receptor 2Impact of tumorFibroblastic reticular cellsFactor receptor 2Tumor epithelial cellsIntratumor heterogeneityDivergent cellular phenotypesResistance-conferring mutationsClinical outcomesPIK3CA mutationsTreatment responseClinical challengeDifferent therapiesFrequency of cellsXenograft modelReceptor 2Stromal determinantsAdjuvant 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
TBCRC 048: Phase II Study of Olaparib for Metastatic Breast Cancer and Mutations in Homologous Recombination-Related Genes.
Tung NM, Robson ME, Ventz S, Santa-Maria CA, Nanda R, Marcom PK, Shah PD, Ballinger TJ, Yang ES, Vinayak S, Melisko M, Brufsky A, DeMeo M, Jenkins C, Domchek S, D'Andrea A, Lin NU, Hughes ME, Carey LA, Wagle N, Wulf GM, Krop IE, Wolff AC, Winer EP, Garber JE. TBCRC 048: Phase II Study of Olaparib for Metastatic Breast Cancer and Mutations in Homologous Recombination-Related Genes. Journal Of Clinical Oncology 2020, 38: 4274-4282. PMID: 33119476, DOI: 10.1200/jco.20.02151.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerObjective response rateProgression-free survivalPoly (ADP-ribose) polymerase (PARP) inhibitorsPhase II studyBreast cancerMutation carriersII studyMedian progression-free survivalNegative metastatic breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Clinical benefit rateHER2-negative diseasePlatinum-refractory diseaseGrowth factor receptor 2Population of patientsFactor receptor 2Homologous recombination-related genesConfirmed responsesEligible patientsMeasurable diseaseSecondary endpointsChemotherapy regimensPrimary endpointSurvival, Pathologic Response, and Genomics in CALGB 40601 (Alliance), a Neoadjuvant Phase III Trial of Paclitaxel-Trastuzumab With or Without Lapatinib in HER2-Positive Breast Cancer.
Fernandez-Martinez A, Krop IE, Hillman DW, Polley MY, Parker JS, Huebner L, Hoadley KA, Shepherd J, Tolaney S, Henry NL, Dang C, Harris L, Berry D, Hahn O, Hudis C, Winer E, Partridge A, Perou CM, Carey LA. Survival, Pathologic Response, and Genomics in CALGB 40601 (Alliance), a Neoadjuvant Phase III Trial of Paclitaxel-Trastuzumab With or Without Lapatinib in HER2-Positive Breast Cancer. Journal Of Clinical Oncology 2020, 38: 4184-4193. PMID: 33095682, PMCID: PMC7723687, DOI: 10.1200/jco.20.01276.Peer-Reviewed Original ResearchConceptsPathologic complete responseRelapse-free survivalHuman epidermal growth factor receptor 2HER2-positive breast cancerBetter relapse-free survivalOverall survivalCALGB 40601Breast cancerImmune signaturesGene expression signaturesDe-escalation treatment strategiesPrediction of pCREnd pointEpidermal growth factor receptor 2Shorter relapse-free survivalPrimary end pointResidual disease groupSecondary end pointsUntreated stage IIGood prognostic factorGrowth factor receptor 2Phase III trialsExpression signaturesFactor receptor 2OS benefit3O Mutation analysis of circulating tumour DNA from baseline and study discontinuation samples in SANDPIPER, a phase III study of taselisib or placebo with fulvestrant in oestrogen receptor-positive, human epidermal growth factor receptor 2-negative, PIK3CA-mutant advanced breast cancer
Jacot W, Savage H, Dent S, Cortés J, Im Y, Dieras V, Harbeck N, Krop I, Chen J, Sokol E, Schimmoller F, Hsu J, De Laurentiis M, Wilson T. 3O Mutation analysis of circulating tumour DNA from baseline and study discontinuation samples in SANDPIPER, a phase III study of taselisib or placebo with fulvestrant in oestrogen receptor-positive, human epidermal growth factor receptor 2-negative, PIK3CA-mutant advanced breast cancer. Annals Of Oncology 2020, 31: s16. DOI: 10.1016/j.annonc.2020.03.139.Peer-Reviewed Original ResearchTBCRC 031: Randomized Phase II Study of Neoadjuvant Cisplatin Versus Doxorubicin-Cyclophosphamide in Germline BRCA Carriers With HER2-Negative Breast Cancer (the INFORM trial).
Tung N, Arun B, Hacker MR, Hofstatter E, Toppmeyer DL, Isakoff SJ, Borges V, Legare RD, Isaacs C, Wolff AC, Marcom PK, Mayer EL, Lange PB, Goss AJ, Jenkins C, Krop IE, Winer EP, Schnitt SJ, Garber JE. TBCRC 031: Randomized Phase II Study of Neoadjuvant Cisplatin Versus Doxorubicin-Cyclophosphamide in Germline BRCA Carriers With HER2-Negative Breast Cancer (the INFORM trial). Journal Of Clinical Oncology 2020, 38: 1539-1548. PMID: 32097092, PMCID: PMC8462533, DOI: 10.1200/jco.19.03292.Peer-Reviewed Original ResearchConceptsHER2-negative breast cancerTriple-negative breast cancerResidual cancer burden scoreBreast cancerDoxorubicin-cyclophosphamideRisk ratioStage IPathologic complete response rateHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Single-agent cisplatinComplete response ratePhase II studyPhase II trialGrowth factor receptor 2Positive breast cancerNegative breast cancerFactor receptor 2CT1-3II trialII studyNodal involvementPCR rateNegative diseasePathologic responseAntitumor Activity and Safety of Trastuzumab Deruxtecan in Patients With HER2-Low–Expressing Advanced Breast Cancer: Results From a Phase Ib Study
Modi S, Park H, Murthy RK, Iwata H, Tamura K, Tsurutani J, Moreno-Aspitia A, Doi T, Sagara Y, Redfern C, Krop IE, Lee C, Fujisaki Y, Sugihara M, Zhang L, Shahidi J, Takahashi S. Antitumor Activity and Safety of Trastuzumab Deruxtecan in Patients With HER2-Low–Expressing Advanced Breast Cancer: Results From a Phase Ib Study. Journal Of Clinical Oncology 2020, 38: 1887-1896. PMID: 32058843, PMCID: PMC7280051, DOI: 10.1200/jco.19.02318.Peer-Reviewed Original ResearchConceptsInterstitial lung diseaseHER2-low breast cancerT-DXdBreast cancerTrastuzumab deruxtecanAntitumor activityConfirmed objective response rateTopoisomerase I inhibitor payloadTreatment-emergent adverse eventsHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Breast cancer refractoryIndependent adjudication committeeObjective response ratePhase Ib studyAdvanced breast cancerGrowth factor receptor 2Preliminary antitumor activityIndependent central reviewWithdrawal of consentFactor receptor 2Cancer refractoryEligible patientsMetastatic HER2Unacceptable toxicity