2024
Contribution of tumour and immune cells to PD‐L1 expression as a predictive biomarker in metastatic triple‐negative breast cancer: exploratory analysis from KEYNOTE‐119
Cortes J, Winer E, Lipatov O, Im S, Gonçalves A, Muñoz‐Couselo E, Lee K, Schmid P, Tamura K, Testa L, Witzel I, Ohtani S, Hund S, Kulangara K, Karantza V, Mejia J, Ma J, Jelinic P, Huang L, Pruitt S, Emancipator K. Contribution of tumour and immune cells to PD‐L1 expression as a predictive biomarker in metastatic triple‐negative breast cancer: exploratory analysis from KEYNOTE‐119. The Journal Of Pathology Clinical Research 2024, 10: e12371. PMID: 38627977, PMCID: PMC11021797, DOI: 10.1002/2056-4538.12371.Peer-Reviewed Original ResearchMeSH KeywordsB7-H1 AntigenBiomarkers, TumorHumansProgression-Free SurvivalTriple Negative Breast NeoplasmsConceptsMetastatic triple-negative breast cancerPD-L1 expressionTriple-negative breast cancerPD-L1 CPSPD-L1Breast cancerTreated metastatic triple-negative breast cancerIncreased programmed death ligand 1PD-L1 IHC 22C3 pharmDxEfficacy of pembrolizumab monotherapyPD-L1 expression assessmentProgrammed death-1 blockadeExpression of PD-L1Objective response rateProgression-free survivalTumor proportion scoreDeath-ligand 1Contribution of tumorImmune cell densityReceiver operating characteristic curveArea under the receiver operating characteristic curvePredictive of responsePembrolizumab monotherapyOverall survivalUniform scoring system
2023
Impact of pembrolizumab versus chemotherapy on health-related quality of life in patients with metastatic triple-negative breast cancer: results from the phase 3 randomised KEYNOTE-119 study
Schmid P, Lipatov O, Im S, Goncalves A, Muñoz-Couselo E, Lee K, Tamura K, Testa L, Witzel I, Ohtani S, Turner N, Zambelli S, Harbeck N, Andre F, Dent R, Mejia J, Zhou X, Haiderali A, Nguyen A, Cortes J, Winer E. Impact of pembrolizumab versus chemotherapy on health-related quality of life in patients with metastatic triple-negative breast cancer: results from the phase 3 randomised KEYNOTE-119 study. European Journal Of Cancer 2023, 195: 113393. PMID: 37976633, DOI: 10.1016/j.ejca.2023.113393.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerCombined positive scoreMetastatic triple-negative breast cancerPD-L1 combined positive scoreHealth-related qualityBreast cancerQLQ-C30 functional scalesTumor PD-L1 expressionGHS/QoLNausea/vomitingPD-L1 expressionStart of treatmentHRQoL resultsEligible patientsHRQoL analysisOverall survivalSystemic therapyClinical outcomesFunctional scalesPhysician's choicePatientsChemotherapyFirst onsetCountry guidelinesMedian TTDAssociation Between Biomarkers and Clinical Outcomes of Pembrolizumab Monotherapy in Patients With Metastatic Triple-Negative Breast Cancer: KEYNOTE-086 Exploratory Analysis
Loi S, Salgado R, Schmid P, Cortes J, Cescon D, Winer E, Toppmeyer D, Rugo H, De Laurentiis M, Nanda R, Iwata H, Awada A, Tan A, Sun Y, Karantza V, Wang A, Huang L, Saadatpour A, Cristescu R, Yearley J, Lunceford J, Jelinic P, Adams S. Association Between Biomarkers and Clinical Outcomes of Pembrolizumab Monotherapy in Patients With Metastatic Triple-Negative Breast Cancer: KEYNOTE-086 Exploratory Analysis. JCO Precision Oncology 2023, 7: e2200317. PMID: 37099733, DOI: 10.1200/po.22.00317.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Agents, ImmunologicalB7-H1 AntigenBiomarkers, TumorHumansTriple Negative Breast NeoplasmsConceptsMetastatic triple-negative breast cancerTriple-negative breast cancerClinical outcomesPembrolizumab monotherapyPD-L1Metastatic diseaseGEP signaturesBreast cancerStromal tumor-infiltrating lymphocytesT-cell-inflamed gene expression profileExploratory biomarker analysisMore systemic therapiesPD-L1 CPSTumor PD-L1PD-L1 statusTumor-infiltrating lymphocytesImproved clinical outcomesTumor mutational burdenSignature 3Mutational signature 3Cohort BDifferentiation 8Systemic therapyCohort ACombined cohort
2021
Molecular 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 heterogeneityPD-L1 Immunohistochemistry Assay Comparison in Atezolizumab Plus nab-Paclitaxel–Treated Advanced Triple-Negative Breast Cancer
Rugo HS, Loi S, Adams S, Schmid P, Schneeweiss A, Barrios CH, Iwata H, Diéras V, Winer EP, Kockx MM, Peeters D, Chui SY, Lin JC, Nguyen-Duc A, Viale G, Molinero L, Emens LA. PD-L1 Immunohistochemistry Assay Comparison in Atezolizumab Plus nab-Paclitaxel–Treated Advanced Triple-Negative Breast Cancer. Journal Of The National Cancer Institute 2021, 113: 1733-1743. PMID: 34097070, PMCID: PMC8634452, DOI: 10.1093/jnci/djab108.Peer-Reviewed Original ResearchMeSH KeywordsB7-H1 AntigenBiomarkers, TumorHumansImmunohistochemistryTriple Negative Breast NeoplasmsConceptsNab-paclitaxelPD-L1Metastatic triple-negative breast cancer patientsAdvanced triple-negative breast cancerAnalytical concordanceTriple-negative breast cancer patientsTriple-negative breast cancerDouble-positive casesCombined positive scorePD-L1 statusPD-L1 assaysBreast cancer patientsSingle positive caseMore patientsSP263 assaysClinical outcomesClinical benefitCancer patientsClinical activityBreast cancerSP142SP263PatientsPhase IIIPositive scorePembrolizumab versus investigator-choice chemotherapy for metastatic triple-negative breast cancer (KEYNOTE-119): a randomised, open-label, phase 3 trial
Winer EP, Lipatov O, Im SA, Goncalves A, Muñoz-Couselo E, Lee KS, Schmid P, Tamura K, Testa L, Witzel I, Ohtani S, Turner N, Zambelli S, Harbeck N, Andre F, Dent R, Zhou X, Karantza V, Mejia J, Cortes J, investigators K. Pembrolizumab versus investigator-choice chemotherapy for metastatic triple-negative breast cancer (KEYNOTE-119): a randomised, open-label, phase 3 trial. The Lancet Oncology 2021, 22: 499-511. PMID: 33676601, DOI: 10.1016/s1470-2045(20)30754-3.Peer-Reviewed Original ResearchConceptsMetastatic triple-negative breast cancerTriple-negative breast cancerCombined positive scoreMedian overall survivalPD-L1 combined positive scoreTreatment-related adverse eventsPhase 3 trialChemotherapy groupOverall survivalPembrolizumab groupBreast cancerAdverse eventsPrimary endpointMetastatic diseaseEastern Cooperative Oncology Group performance statusPD-L1 tumor statusCommon grade 3Durable antitumour activityInvestigator-choice chemotherapyPrevious systemic treatmentSerious adverse eventsThird-line treatmentSubpopulation of patientsTreatment of patientsSingle-drug chemotherapyAtezolizumab and nab-Paclitaxel in Advanced Triple-Negative Breast Cancer: Biomarker Evaluation of the IMpassion130 Study
Emens LA, Molinero L, Loi S, Rugo HS, Schneeweiss A, Diéras V, Iwata H, Barrios CH, Nechaeva M, Nguyen-Duc A, Chui SY, Husain A, Winer EP, Adams S, Schmid P. Atezolizumab and nab-Paclitaxel in Advanced Triple-Negative Breast Cancer: Biomarker Evaluation of the IMpassion130 Study. Journal Of The National Cancer Institute 2021, 113: 1005-1016. PMID: 33523233, PMCID: PMC8328980, DOI: 10.1093/jnci/djab004.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerMetastatic triple-negative breast cancerProgression-free survivalPD-L1Tumor immune microenvironmentBreast cancerIntratumoral CD8Nab-paclitaxelClinical benefitImmune microenvironmentImmune cellsBRCA1/2 mutationsAdvanced triple-negative breast cancerStromal tumor-infiltrating lymphocytesNab-paclitaxel 100Immune checkpoint inhibitorsOverall survival benefitTumor-infiltrating lymphocytesMetastatic tumor tissueBRCA1/2 mutation statusCheckpoint inhibitorsOverall survivalSurvival benefitImmune biomarkersClinical activity
2020
Effect 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 lines
2019
The Immune Microenvironment in Hormone Receptor–Positive Breast Cancer Before and After Preoperative Chemotherapy
Waks AG, Stover DG, Guerriero JL, Dillon D, Barry WT, Gjini E, Hartl C, Lo W, Savoie J, Brock J, Wesolowski R, Li Z, Damicis A, Philips AV, Wu Y, Yang F, Sullivan A, Danaher P, Brauer HA, Osmani W, Lipschitz M, Hoadley KA, Goldberg M, Perou CM, Rodig S, Winer EP, Krop IE, Mittendorf EA, Tolaney SM. The Immune Microenvironment in Hormone Receptor–Positive Breast Cancer Before and After Preoperative Chemotherapy. Clinical Cancer Research 2019, 25: 4644-4655. PMID: 31061067, PMCID: PMC6677598, DOI: 10.1158/1078-0432.ccr-19-0173.Peer-Reviewed Original ResearchConceptsStromal tumor-infiltrating lymphocytesImmune microenvironmentNeoadjuvant chemotherapyPD-L1Breast cancerHormone receptor-positive breast cancerBreast tumorsHormone receptor-positive/HER2-negative breast cancerHER2-negative breast cancerDistant metastasis-free survivalReceptor-positive breast cancerImmunotherapy-based approachesPAM50 intrinsic subtypesCheckpoint inhibitor therapyPD-L1 stainingTumor-infiltrating lymphocytesMetastasis-free survivalMacrophage-targeted therapiesRole of macrophagesPreoperative chemotherapyStandard chemotherapyInhibitor therapyResidual diseaseMyeloid signaturePoor responseThe immune profile of small HER2-positive breast cancers: a secondary analysis from the APT trial
Barroso-Sousa R, Barry WT, Guo H, Dillon D, Tan YB, Fuhrman K, Osmani W, Getz A, Baltay M, Dang C, Yardley D, Moy B, Marcom PK, Mittendorf EA, Krop IE, Winer EP, Tolaney SM. The immune profile of small HER2-positive breast cancers: a secondary analysis from the APT trial. Annals Of Oncology 2019, 30: 575-581. PMID: 30753274, PMCID: PMC8033534, DOI: 10.1093/annonc/mdz047.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntineoplastic Combined Chemotherapy ProtocolsB7-H1 AntigenBiomarkers, TumorBreastBreast NeoplasmsChemotherapy, AdjuvantDisease-Free SurvivalFemaleFollow-Up StudiesHumansKaplan-Meier EstimateMastectomyMiddle AgedPaclitaxelReceptor, ErbB-2TrastuzumabTumor BurdenTumor MicroenvironmentConceptsHER2-positive breast cancerSmall HER2-positive breast cancersImmune gene signaturesBreast cancerImmune profileAPT trialPD-L1Immune markersImmune microenvironmentSmall HER2-positive tumorsStromal PD-L1 expressionNode-negative breast cancerCell signatureGene signatureHuman epidermal growth factor receptorStromal PD-L1PD-L1 expressionHistological grade 2Luminal B tumorsB cell signaturesBreast cancer trialsHER2-positive tumorsImmune cell signaturesBasal-like tumorsHistological grade 1Pembrolizumab monotherapy for previously untreated, PD-L1-positive, metastatic triple-negative breast cancer: cohort B of the phase II KEYNOTE-086 study
Adams S, Loi S, Toppmeyer D, Cescon DW, De Laurentiis M, Nanda R, Winer EP, Mukai H, Tamura K, Armstrong A, Liu MC, Iwata H, Ryvo L, Wimberger P, Rugo HS, Tan AR, Jia L, Ding Y, Karantza V, Schmid P. Pembrolizumab monotherapy for previously untreated, PD-L1-positive, metastatic triple-negative breast cancer: cohort B of the phase II KEYNOTE-086 study. Annals Of Oncology 2019, 30: 405-411. PMID: 30475947, DOI: 10.1093/annonc/mdy518.Peer-Reviewed Original ResearchConceptsMetastatic triple-negative breast cancerPositive metastatic triple-negative breast cancerTreatment-related adverse eventsTriple-negative breast cancerDisease control rateObjective response rateFirst-line therapyProgression-free survivalAdverse eventsPD-L1Stable diseasePembrolizumab monotherapyOverall survivalCohort BControl rateBreast cancerResponse ratePD-L1 combined positive scoreCentral nervous system metastasesGrade 4 adverse eventsMedian progression-free survivalStandard first-line treatmentEnd pointGrade 3 severityManageable safety profilePembrolizumab monotherapy for previously treated metastatic triple-negative breast cancer: cohort A of the phase II KEYNOTE-086 study
Adams S, Schmid P, Rugo HS, Winer EP, Loirat D, Awada A, Cescon DW, Iwata H, Campone M, Nanda R, Hui R, Curigliano G, Toppmeyer D, O’Shaughnessy J, Loi S, Paluch-Shimon S, Tan AR, Card D, Zhao J, Karantza V, Cortés J. Pembrolizumab monotherapy for previously treated metastatic triple-negative breast cancer: cohort A of the phase II KEYNOTE-086 study. Annals Of Oncology 2019, 30: 397-404. PMID: 30475950, DOI: 10.1093/annonc/mdy517.Peer-Reviewed Original ResearchConceptsMetastatic triple-negative breast cancerTriple-negative breast cancerDisease control ratePD-L1Positive populationPembrolizumab monotherapyMetastatic diseaseControl rateBreast cancerTreatment-related adverse eventsEnd pointManageable safety profileObjective response ratePrimary end pointSecondary end pointsProgression-free survivalSubset of patientsDurable antitumor activityDuration of responseLine of treatmentEligible patientsMedian OSMedian PFSAdverse eventsMedian durationPassion for immune checkpoint blockade in triple negative breast cancer: Comment on the IMpassion130 study
Kok M, Winer EP, Loi S. Passion for immune checkpoint blockade in triple negative breast cancer: Comment on the IMpassion130 study. Annals Of Oncology 2019, 30: 13-16. PMID: 30351400, DOI: 10.1093/annonc/mdy473.Peer-Reviewed Original Research
2018
Homologous recombination deficiency and host anti-tumor immunity in triple-negative breast cancer
Telli ML, Stover DG, Loi S, Aparicio S, Carey LA, Domchek SM, Newman L, Sledge GW, Winer EP. Homologous recombination deficiency and host anti-tumor immunity in triple-negative breast cancer. Breast Cancer Research And Treatment 2018, 171: 21-31. PMID: 29736741, DOI: 10.1007/s10549-018-4807-x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic AgentsB7-H1 AntigenBiomarkers, TumorDisease SusceptibilityDNA DamageDNA RepairFemaleGene Expression Regulation, NeoplasticGenes, BRCA1Genes, BRCA2Germ-Line MutationHomologous RecombinationHumansImmunityImmunomodulationMolecular Targeted TherapyProgrammed Cell Death 1 ReceptorTriple Negative Breast NeoplasmsConceptsHost anti-tumor immunityAnti-tumor immunityHomologous recombination deficiencyBreast cancerPurposeTriple-negative breast cancerAnti-tumor immune cellsRecombination deficiencyTriple-negative breast cancerCare systemic therapyImmune-directed therapiesImmune cell subsetsHomologous recombination DNA repair deficiencyBRCA2 mutation carriersBiomarker-driven approachBreast cancer subtypesPARP inhibitor olaparibHR-deficient tumorsDNA repair capacityMetastatic diseaseSystemic therapyImmune infiltratesImproved prognosisCell subsetsImmune cellsWorse outcomes