2024
Trastuzumab deruxtecan versus treatment of physician's choice in patients with HER2-positive metastatic breast cancer (DESTINY-Breast02): patient-reported outcomes from a randomised, open-label, multicentre, phase 3 trial
Fehm T, Cottone F, Dunton K, André F, Krop I, Park Y, De Laurentiis M, Miyoshi Y, Armstrong A, Borrego M, Yerushalmi R, Duhoux F, Takano T, Lu W, Egorov A, Kim S. Trastuzumab deruxtecan versus treatment of physician's choice in patients with HER2-positive metastatic breast cancer (DESTINY-Breast02): patient-reported outcomes from a randomised, open-label, multicentre, phase 3 trial. The Lancet Oncology 2024, 25: 614-625. PMID: 38697155, DOI: 10.1016/s1470-2045(24)00128-1.Peer-Reviewed Original ResearchConceptsTreatment of physician's choiceMetastatic breast cancerTreatment of physician's choice groupPatient-reported outcomesPhysician's choice groupTrastuzumab deruxtecan groupTrastuzumab deruxtecanPhase 3 trialHER2-positiveBreast cancerGlobal health statusPhysician's choiceEORTC QLQ-C30 global health statusPatient-reported outcome variablesOpen-labelQLQ-C30 global health statusTrastuzumab emtansineDefinitive deteriorationMedian time to definitive deteriorationHER2-positive metastatic breast cancerEastern Cooperative Oncology Group performance statusTreatment durationBlinded independent central reviewQuality of lifeProgression-free survival
2023
Assessment of the HER2DX Assay in Patients With ERBB2-Positive Breast Cancer Treated With Neoadjuvant Paclitaxel, Trastuzumab, and Pertuzumab
Waks A, Ogayo E, Paré L, Marín-Aguilera M, Brasó-Maristany F, Galván P, Castillo O, Martínez-Sáez O, Vivancos A, Villagrasa P, Villacampa G, Tarantino P, Desai N, Guerriero J, Metzger O, Tung N, Krop I, Parker J, Perou C, Prat A, Winer E, Tolaney S, Mittendorf E. Assessment of the HER2DX Assay in Patients With ERBB2-Positive Breast Cancer Treated With Neoadjuvant Paclitaxel, Trastuzumab, and Pertuzumab. JAMA Oncology 2023, 9: 835-840. PMID: 37103927, PMCID: PMC10141272, DOI: 10.1001/jamaoncol.2023.0181.Peer-Reviewed Original ResearchConceptsPathologic complete responseNeoadjuvant therapyPCR scoresNeoadjuvant paclitaxelBreast cancerPrognostic studiesRisk scoreLikelihood of pCRPretreatment tumor biopsy samplesErbB2-positive breast cancerBaseline tumor samplesLimited clinical featuresFavorable survival outcomesHormone receptor statusPositive breast cancerPrognostic risk scoreTumor biopsy samplesPaclitaxel weeklyComplete responsePCR rateReceptor statusClinical featuresMean ageSurvival outcomesRecurrence events
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 eventsMolecular correlates of response to eribulin and pembrolizumab in hormone receptor-positive metastatic breast cancer
Keenan TE, Guerriero JL, Barroso-Sousa R, Li T, O’Meara T, Giobbie-Hurder A, Tayob N, Hu J, Severgnini M, Agudo J, Vaz-Luis I, Anderson L, Attaya V, Park J, Conway J, He MX, Reardon B, Shannon E, Wulf G, Spring LM, Jeselsohn R, Krop I, Lin NU, Partridge A, Winer EP, Mittendorf EA, Liu D, Van Allen EM, Tolaney SM. Molecular correlates of response to eribulin and pembrolizumab in hormone receptor-positive metastatic breast cancer. Nature Communications 2021, 12: 5563. PMID: 34548479, PMCID: PMC8455578, DOI: 10.1038/s41467-021-25769-z.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntibodies, Monoclonal, HumanizedAntigen PresentationAntineoplastic Combined Chemotherapy ProtocolsB7-H1 AntigenBreast NeoplasmsCytokinesDrug Resistance, NeoplasmEstrogensFemaleFuransGene Expression ProfilingGenetic HeterogeneityGenome, HumanGenomicsHumansImmune Checkpoint InhibitorsKetonesLymphocytes, Tumor-InfiltratingMaleMiddle AgedMutationNeoplasm MetastasisReceptors, EstrogenReceptors, ProgesteroneSignal TransductionSurvival RateTreatment OutcomeConceptsImmune checkpoint inhibitorsBreast cancerHormone receptor-positive metastatic breast cancerHormone receptor-positive breast cancerFinal overall survival resultsRandomized phase 2 trialReceptor-positive breast cancerMinimal therapeutic effectPhase 2 trialMetastatic breast cancerOverall survival resultsPre-treatment tumorsCheckpoint inhibitorsCytokine changesICI responseCombination therapyImmune infiltrationImmunoregulatory cytokinesSurvival resultsAntigen presentationTherapeutic effectTherapeutic validationCancerMolecular correlatesTumor heterogeneityPhase 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 tumorsUpdated 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 analysisImpact 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 featureThe 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 determinantsThe efficacy and safety of enzalutamide with trastuzumab in patients with HER2+ and androgen receptor-positive metastatic or locally advanced breast cancer
Wardley A, Cortes J, Provencher L, Miller K, Chien AJ, Rugo HS, Steinberg J, Sugg J, Tudor IC, Huizing M, Young R, Abramson V, Bose R, Hart L, Chan S, Cameron D, Wright GS, Graas MP, Neven P, Rocca A, Russo S, Krop IE. The efficacy and safety of enzalutamide with trastuzumab in patients with HER2+ and androgen receptor-positive metastatic or locally advanced breast cancer. Breast Cancer Research And Treatment 2021, 187: 155-165. PMID: 33591468, PMCID: PMC8062601, DOI: 10.1007/s10549-021-06109-7.Peer-Reviewed Original ResearchConceptsTreatment-emergent adverse eventsProgression-free survivalSafety of enzalutamideBreast cancerSerious treatment-emergent adverse eventsEastern Cooperative Oncology Group statusMedian progression-free survivalPrior anti-HER2 therapyEnd pointHuman epidermal growth factor receptorClinical benefit rateDurable stable diseaseSolid Tumors v1.1Primary end pointSecondary end pointsAdvanced breast cancerAnti-HER2 therapyHormone receptor statusResponse Evaluation CriteriaSubset of patientsAR expression levelsTrastuzumab-resistant HER2Durable disease controlMalignant neoplasm progressionAnti-HER2 antibodyGenomic Characterization of de novo Metastatic Breast Cancer
Garrido-Castro AC, Spurr LF, Hughes ME, Li YY, Cherniack AD, Kumari P, Lloyd MR, Bychkovsky B, Barroso-Sousa R, Di Lascio S, Jain E, Files J, Mohammed-Abreu A, Krevalin M, MacKichan C, Barry WT, Guo H, Xia D, Cerami E, Rollins BJ, MacConaill LE, Lindeman NI, Krop IE, Johnson BE, Wagle N, Winer EP, Dillon DA, Lin NU. Genomic Characterization of de novo Metastatic Breast Cancer. Clinical Cancer Research 2021, 27: 1105-1118. PMID: 33293374, PMCID: PMC7887078, DOI: 10.1158/1078-0432.ccr-20-1720.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerPrimary tumorOverall survivalBreast cancerDe novo metastatic breast cancerNovo metastatic breast cancerDifferential therapeutic sensitivityBetter OSPoor OSShorter OSInitial diagnosisHigh TMBMetastatic tumorsDnMBCCurrent treatmentMutational burdenTreatment selectionMetastatic driversStage IMultiple comparison adjustmentTherapeutic sensitivityTumorsPatientsCancerIntrinsic resistanceAdjuvant 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
A Randomized Placebo Controlled Phase II Trial Evaluating Exemestane with or without Enzalutamide in Patients with Hormone Receptor–Positive Breast Cancer
Krop I, Abramson V, Colleoni M, Traina T, Holmes F, Garcia-Estevez L, Hart L, Awada A, Zamagni C, Morris PG, Schwartzberg L, Chan S, Gucalp A, Biganzoli L, Steinberg J, Sica L, Trudeau M, Markova D, Tarazi J, Zhu Z, O'Brien T, Kelly C, Winer E, Yardley D. A Randomized Placebo Controlled Phase II Trial Evaluating Exemestane with or without Enzalutamide in Patients with Hormone Receptor–Positive Breast Cancer. Clinical Cancer Research 2020, 26: 6149-6157. PMID: 32988969, DOI: 10.1158/1078-0432.ccr-20-1693.Peer-Reviewed Original ResearchConceptsProgression-free survivalHormone receptor-positive breast cancerReceptor-positive breast cancerPhase II trialEndocrine therapyBreast cancerII trialAR mRNACohort 1Higher AR mRNA levelsLower ESR1 mRNA levelsET-naïve patientsGrade adverse eventsPrior endocrine therapyMetastatic breast cancerAndrogen receptor inhibitorMRNA levelsAR mRNA levelsESR1 mRNA levelsEnzalutamide armITT populationTreat populationAdvanced diseasePrimary endpointAdverse eventsPhase 2 study of buparlisib (BKM120), a pan-class I PI3K inhibitor, in patients with metastatic triple-negative breast cancer
Garrido-Castro AC, Saura C, Barroso-Sousa R, Guo H, Ciruelos E, Bermejo B, Gavilá J, Serra V, Prat A, Paré L, Céliz P, Villagrasa P, Li Y, Savoie J, Xu Z, Arteaga CL, Krop IE, Solit DB, Mills GB, Cantley LC, Winer EP, Lin NU, Rodon J. Phase 2 study of buparlisib (BKM120), a pan-class I PI3K inhibitor, in patients with metastatic triple-negative breast cancer. Breast Cancer Research 2020, 22: 120. PMID: 33138866, PMCID: PMC7607628, DOI: 10.1186/s13058-020-01354-y.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAminopyridinesAntineoplastic Combined Chemotherapy ProtocolsClass I Phosphatidylinositol 3-KinasesDisease ProgressionFemaleHigh-Throughput Nucleotide SequencingHumansMiddle AgedMorpholinesNeoplasm MetastasisPatient SafetyProtein Kinase InhibitorsProteomicsResponse Evaluation Criteria in Solid TumorsSurvival RateTreatment OutcomeTriple Negative Breast NeoplasmsConceptsTriple-negative breast cancerProgression-free survivalPan-class I PI3K inhibitorMetastatic triple-negative breast cancerStable diseasePhase 2 studyBreast cancerOverall survivalPI3K inhibitorsPI3K pathwayPartial responseComplete responseClinical benefitSingle-arm phase 2 studyTriple-negative metastatic breast cancerMedian progression-free survivalK inhibitorsClinical benefit rateEfficacy of buparlisibK pathwayFrequent adverse eventsMedian overall survivalPercent of patientsMetastatic breast cancerSubset of patientsChanges in Peripheral and Local Tumor Immunity after Neoadjuvant Chemotherapy Reshape Clinical Outcomes in Patients with Breast Cancer
Axelrod ML, Nixon MJ, Gonzalez-Ericsson PI, Bergman RE, Pilkinton MA, McDonnell WJ, Sanchez V, Opalenik SR, Loi S, Zhou J, Mackay S, Rexer BN, Abramson VG, Jansen VM, Mallal S, Donaldson J, Tolaney SM, Krop IE, Garrido-Castro AC, Marotti JD, Shee K, Miller TW, Sanders ME, Mayer IA, Salgado R, Balko JM. Changes in Peripheral and Local Tumor Immunity after Neoadjuvant Chemotherapy Reshape Clinical Outcomes in Patients with Breast Cancer. Clinical Cancer Research 2020, 26: 5668-5681. PMID: 32826327, PMCID: PMC7642197, DOI: 10.1158/1078-0432.ccr-19-3685.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAlbuminsAntineoplastic Combined Chemotherapy ProtocolsB7-H1 AntigenCD8-Positive T-LymphocytesFemaleGene Expression Regulation, NeoplasticHumansLymphocytes, Tumor-InfiltratingMiddle AgedNeoadjuvant TherapyNeoplasm ProteinsNeoplasm Recurrence, LocalPaclitaxelPrognosisProgrammed Cell Death 1 ReceptorProgression-Free SurvivalTreatment OutcomeTriple Negative Breast NeoplasmsTumor MicroenvironmentConceptsTriple-negative breast cancerTumor immune microenvironmentNeoadjuvant chemotherapyOverall survivalBreast cancerPeripheral bloodResidual diseaseMetastatic triple-negative breast cancerEffect of NACImproved long-term outcomesActive antitumor immunityLocal tumor immunityRole of chemotherapyT-cell signatureLong-term outcomesPeripheral T cellsMultiple immune-related genesImmune-related genesNab-paclitaxelImmunologic effectsMicrometastatic diseasePersistent diseaseAntitumor immunityTumor immunityClinical outcomesTBCRC 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 benefitEffect of Eribulin With or Without Pembrolizumab on Progression-Free Survival for Patients With Hormone Receptor–Positive, ERBB2-Negative Metastatic Breast Cancer
Tolaney SM, Barroso-Sousa R, Keenan T, Li T, Trippa L, Vaz-Luis I, Wulf G, Spring L, Sinclair NF, Andrews C, Pittenger J, Richardson ET, Dillon D, Lin NU, Overmoyer B, Partridge AH, Van Allen E, Mittendorf EA, Winer EP, Krop IE. Effect of Eribulin With or Without Pembrolizumab on Progression-Free Survival for Patients With Hormone Receptor–Positive, ERBB2-Negative Metastatic Breast Cancer. JAMA Oncology 2020, 6: 1598-1605. PMID: 32880602, PMCID: PMC7489368, DOI: 10.1001/jamaoncol.2020.3524.Peer-Reviewed Original ResearchConceptsProgression-free survivalObjective response rateTumor-infiltrating lymphocytesTumor mutational burdenPD-L1 statusOverall survivalHormonal therapyPrior linesPD-L1Clinical trialsMedian numberDay 1Cell death ligand 1 (PD-L1) inhibitorsERBB2-negative metastatic breast cancerMedian progression-free survivalDeath ligand 1 (PD-L1) inhibitorsEnd pointCause adverse eventsEfficacy of eribulinHormone receptor positiveMulticenter phase 2PD-L1 22C3Treatment-related deathsLines of chemotherapyPrimary end pointTumor Mutational Burden and PTEN Alterations as Molecular Correlates of Response to PD-1/L1 Blockade in Metastatic Triple-Negative Breast Cancer
Barroso-Sousa R, Keenan TE, Pernas S, Exman P, Jain E, Garrido-Castro AC, Hughes M, Bychkovsky B, Umeton R, Files JL, Lindeman NI, MacConaill LE, Hodi FS, Krop IE, Dillon D, Winer EP, Wagle N, Lin NU, Mittendorf EA, Van Allen EM, Tolaney SM. Tumor Mutational Burden and PTEN Alterations as Molecular Correlates of Response to PD-1/L1 Blockade in Metastatic Triple-Negative Breast Cancer. Clinical Cancer Research 2020, 26: 2565-2572. PMID: 32019858, PMCID: PMC7269810, DOI: 10.1158/1078-0432.ccr-19-3507.Peer-Reviewed Original ResearchConceptsMetastatic triple-negative breast cancerHigh tumor mutational burdenProgression-free survivalTumor mutational burdenObjective response rateImmune checkpoint inhibitorsAnti-PD-1/L1 therapyTriple-negative breast cancerOverall survivalL1 therapyPD-L1Breast cancerMutational burdenLow objective response rateLonger progression-free survivalShorter progression-free survivalDana-Farber Cancer InstituteTumor genomic featuresShorter overall survivalMutations/megabaseCheckpoint inhibitorsVisceral metastasesL1 blockadePerformance statusPrior linesTargeting HER2 with Trastuzumab Deruxtecan: A Dose-Expansion, Phase I Study in Multiple Advanced Solid Tumors
Tsurutani J, Iwata H, Krop I, Jänne PA, Doi T, Takahashi S, Park H, Redfern C, Tamura K, Wise-Draper TM, Saito K, Sugihara M, Singh J, Jikoh T, Gallant G, Li BT. Targeting HER2 with Trastuzumab Deruxtecan: A Dose-Expansion, Phase I Study in Multiple Advanced Solid Tumors. Cancer Discovery 2020, 10: 688-701. PMID: 32213540, PMCID: PMC8292921, DOI: 10.1158/2159-8290.cd-19-1014.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerMutant non-small cell lung cancerTreatment-emergent adverse eventsMutant solid tumorsObjective response rateProgression-free survivalMedian progression-free survivalT-DXdSolid tumorsTrastuzumab deruxtecanDrug-related treatment-emergent adverse eventsCommon treatment-emergent adverse eventsConfirmed objective response rateSafety/tolerabilityAdvanced solid tumorsBiliary tract cancerPhase I trialHER2-positive breastInterstitial lung diseaseCell lung cancerSalivary gland cancerHeterogeneous patient populationUnmet medical needConfirmed responsesDose expansionTBCRC 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 response