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 ResearchConceptsMetastatic 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
Association 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 ResearchConceptsMetastatic 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
Nivolumab in combination with cabozantinib for metastatic triple-negative breast cancer: a phase II and biomarker study
Barroso-Sousa R, Keenan TE, Li T, Tayob N, Trippa L, Pastorello RG, Richardson III ET, Dillon D, Amoozgar Z, Overmoyer B, Schnitt SJ, Winer EP, Mittendorf EA, Van Allen E, Duda DG, Tolaney SM. Nivolumab in combination with cabozantinib for metastatic triple-negative breast cancer: a phase II and biomarker study. Npj Breast Cancer 2021, 7: 110. PMID: 34433812, PMCID: PMC8387440, DOI: 10.1038/s41523-021-00287-9.Peer-Reviewed Original ResearchMetastatic triple-negative breast cancerTumor-infiltrating lymphocytesTriple-negative breast cancerObjective response ratePD-L1Primary endpointBreast cancerSingle-arm phase II studyHigh tumor-infiltrating lymphocytesLow tumor mutational burdenSafety of cabozantinibPhase II studyImmune checkpoint moleculesHigher pretreatment levelsTumor mutational burdenImmune gene expressionRECIST 1.1Checkpoint moleculesII studyImmunosuppressive cytokinesPartial responseNegative tumorsPositive tumorsTumor immunosuppressionRapid progressionContribution of tumour and immune cells to PD-L1 as a predictive biomarker in metastatic triple-negative breast cancer (mTNBC): analysis from keynote-119
Emancipator K, Winer E, Lipatov O, Im S, Goncalves A, Muñoz-Couselo E, Lee K, Nowecki Z, Schmid P, Tamura K, Testa L, Witzel I, Ohtani S, Hund S, Kulangara K, Karantza V, Mejia J, Ma J, Jelinic P, Huang L, Cortes J. Contribution of tumour and immune cells to PD-L1 as a predictive biomarker in metastatic triple-negative breast cancer (mTNBC): analysis from keynote-119. Pathology 2021, 53: s47-s48. DOI: 10.1016/j.pathol.2021.06.099.Peer-Reviewed Original ResearchPD-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 ResearchConceptsNab-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 scoreSaci-IO HR+: Randomized phase II trial of sacituzumab govitecan (SG) +/- pembrolizumab in PD-L1+ hormone receptor-positive (HR+) / HER2- metastatic breast cancer (MBC).
Garrido-Castro A, Keenan T, Li T, Lange P, Callahan C, Guerriero J, Tayob N, Anderson L, Stover D, Gogineni K, Carey L, Nanda R, Winer E, Mittendorf E, Tolaney S. Saci-IO HR+: Randomized phase II trial of sacituzumab govitecan (SG) +/- pembrolizumab in PD-L1+ hormone receptor-positive (HR+) / HER2- metastatic breast cancer (MBC). Journal Of Clinical Oncology 2021, 39: tps1102-tps1102. DOI: 10.1200/jco.2021.39.15_suppl.tps1102.Peer-Reviewed Original ResearchProgression-free survivalImmune checkpoint inhibitorsMedian progression-free survivalRandomized phase II trialCombined positive scorePhase II trialSacituzumab govitecanII trialPD-L1Anti-PD-1/L1 antibodyPD-1/L1 inhibitorsHER2- metastatic breast cancerAntibody-dependent cellular cytotoxicityT cell effector functionPrior hormonal therapyPD-L1 expressionAntitumor immune responseChronic antigen stimulationHealth-related qualityKey eligibility criteriaRegulatory T cellsT cell dysfunctionCell effector functionsOne-sided alphaImmune cell receptorsSaci-IO TNBC: Randomized phase II trial of sacituzumab govitecan (SG) +/- pembrolizumab in PD-L1– metastatic triple-negative breast cancer (mTNBC).
Garrido-Castro A, Keenan T, Li T, Lange P, Callahan C, Guerriero J, Tayob N, Anderson L, Yam C, Daniel B, Carey L, Nanda R, Winer E, Mittendorf E, Tolaney S. Saci-IO TNBC: Randomized phase II trial of sacituzumab govitecan (SG) +/- pembrolizumab in PD-L1– metastatic triple-negative breast cancer (mTNBC). Journal Of Clinical Oncology 2021, 39: tps1106-tps1106. DOI: 10.1200/jco.2021.39.15_suppl.tps1106.Peer-Reviewed Original ResearchMetastatic triple-negative breast cancerProgression-free survivalImmune checkpoint inhibitorsMedian progression-free survivalRandomized phase II trialPhase II trialSacituzumab govitecanPD-L1II trialImmune cellsBreast cancerAnti-PD-1/L1 antibodyPD-1/L1 inhibitorsAntibody-dependent cellular cytotoxicityT cell effector functionTriple-negative breast cancerPrior systemic therapyPD-L1 expressionAntitumor immune responseChronic antigen stimulationHealth-related qualityKey eligibility criteriaRegulatory T cellsT cell dysfunctionCell effector functionsALEXANDRA/IMpassion030: A phase 3 study of standard adjuvant chemotherapy with or without atezolizumab in patients with early-stage triple-negative breast cancer.
Saji S, McArthur H, Ignatiadis M, Bailey A, El-Abed S, Brandao M, Metzger O, Lai C, Guillaume S, Fumagalli D, Agbor-tarh D, Seiller A, Xifro R, Honvault V, Viale G, DuFrane C, Barata T, Winer E, Gelber R, Piccart-Gebhart M. ALEXANDRA/IMpassion030: A phase 3 study of standard adjuvant chemotherapy with or without atezolizumab in patients with early-stage triple-negative breast cancer. Journal Of Clinical Oncology 2021, 39: tps597-tps597. DOI: 10.1200/jco.2021.39.15_suppl.tps597.Peer-Reviewed Original ResearchTriple-negative breast cancerInvasive disease-free survivalEarly-stage triple-negative breast cancerPD-L1Breast cancerAdjuvant chemotherapyStage triple-negative breast cancerMetastatic triple-negative breast cancerPD-L1 negative tumorsF. Hoffmann-La Roche LtdBreast International GroupOperable stage IIRandomized phase 3Same chemotherapy regimenStandard adjuvant chemotherapyCentral pathology reviewDisease-free survivalPD-L1 statusPhase 3 studyPhase 3 trialType of surgeryNegative breast cancerQuality of lifeAtezolizumab 1200Weekly paclitaxelAtezolizumab 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 linesPatient-reported outcomes from the phase III IMpassion130 trial of atezolizumab plus nab-paclitaxel in metastatic triple-negative breast cancer
Adams S, Diéras V, Barrios CH, Winer EP, Schneeweiss A, Iwata H, Loi S, Patel S, Henschel V, Chui SY, Rugo HS, Emens LA, Schmid P. Patient-reported outcomes from the phase III IMpassion130 trial of atezolizumab plus nab-paclitaxel in metastatic triple-negative breast cancer. Annals Of Oncology 2020, 31: 582-589. PMID: 32178964, DOI: 10.1016/j.annonc.2020.02.003.Peer-Reviewed Original ResearchConceptsMetastatic triple-negative breast cancerPatient-reported outcomesTriple-negative breast cancerFirst-line treatmentHealth-related qualityNab-paclitaxelPD-L1Treatment symptomsBreast cancerBaseline scoresDay 1Progression-free survival benefitPatients' health-related qualityEnd pointBreast cancer moduleExploratory end pointsSecondary end pointsTreatment-related symptomsEnd of treatmentKey treatment goalMean baseline scoreCourse of treatmentITT patientsMeaningful worseningMTNBC patients
2019
37O Subgroup analysis of IMpassion130: Atezolizumab + nab-paclitaxel (nab-P) in patients (pts) with advanced triple-negative breast cancer (TNBC) in Asian countries
Iwata H, Im S, Sohn J, Jung K, Im Y, Lee K, Inoue K, Tamura K, Wong A, Emens L, Barrios C, Adams S, Schneeweiss A, Diéras V, Winer E, Chui S, Henschel V, Rugo H, Loi S, Schmid P. 37O Subgroup analysis of IMpassion130: Atezolizumab + nab-paclitaxel (nab-P) in patients (pts) with advanced triple-negative breast cancer (TNBC) in Asian countries. Annals Of Oncology 2019, 30: ix13-ix14. DOI: 10.1093/annonc/mdz418.Peer-Reviewed Original ResearchTriple-negative breast cancerAdvanced triple-negative breast cancerGenentech/RochePD-L1 expressionPD-L1Bristol-Myers SquibbF. Hoffmann-La RocheDaiichi SankyoBoehringer IngelheimHoffmann-La RocheSeattle GeneticsRoche/GenentechTumor-infiltrating immune cellsBreast Cancer Research FoundationECOG PS 0Key secondary endpointPD-L1 positivityNew safety signalsPD-L1 testingCo-primary endpointsEli LillyCancer Research FoundationNational Cancer InstituteMedical writing assistanceMedical Research Council289TiP ALEXANDRA/IMpassion030: A phase III study of standard adjuvant chemotherapy with or without atezolizumab in early stage triple negative breast cancer
Ignatiadis M, McArthur H, Bailey A, Martinez J, de Azambuja E, Metzger O, Lai C, Franzoi M, Goulioti T, Daly F, Bouhlel A, Balta V, Maetens M, Viale G, André B, DuFRane C, Nguyen D, Gelber R, Piccart M, Winer E. 289TiP ALEXANDRA/IMpassion030: A phase III study of standard adjuvant chemotherapy with or without atezolizumab in early stage triple negative breast cancer. Annals Of Oncology 2019, 30: v97. DOI: 10.1093/annonc/mdz240.112.Peer-Reviewed Original ResearchTriple-negative breast cancerInvasive disease-free survivalEarly-stage triple-negative breast cancerStage triple-negative breast cancerBreast International GroupNegative breast cancerBreast cancerAdjuvant chemotherapyPD-L1Seattle GeneticsRoche/GenentechMetastatic triple-negative breast cancerRoche-GenentechJules BordetOperable stage IIRandomized phase 3Same chemotherapy regimenStandard adjuvant chemotherapyCentral pathology reviewDisease-free survivalPD-L1 statusPhase 3 trialPhase III studyLymph node statusPD-L1 antibodiesLBA20 Performance of PD-L1 immunohistochemistry (IHC) assays in unresectable locally advanced or metastatic triple-negative breast cancer (mTNBC): Post-hoc analysis of IMpassion130
Rugo H, Loi S, Adams S, Schmid P, Schneeweiss A, Barrios C, Iwata H, Dieras V, Winer E, Kockx M, Peeters D, Chui S, Lin J, Duc A, Viale G, Molinero L, Emens L. LBA20 Performance of PD-L1 immunohistochemistry (IHC) assays in unresectable locally advanced or metastatic triple-negative breast cancer (mTNBC): Post-hoc analysis of IMpassion130. Annals Of Oncology 2019, 30: v858-v859. DOI: 10.1093/annonc/mdz394.009.Peer-Reviewed Original ResearchF. Hoffmann-La Roche LtdBiomarker-evaluable populationGenentech/RocheOverall percentage agreementMetastatic triple-negative breast cancerPD-L1 statusPD-L1F. Hoffmann-La RocheBristol-Myers SquibbDaiichi SankyoPercentage agreementOS benefitHoffmann-La RocheRoche/GenentechEli LillyPD-L1 IHC assaysPD-L1 immunohistochemistry assaysIHC assaysBoehringer IngelheimBreast Cancer Research FoundationSeattle GeneticsTriple-negative breast cancerNegative percentage agreementGreater clinical benefitPositive percentage agreementThe 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 responsePatient-reported outcomes (PROs) from the phase III IMpassion130 trial of atezolizumab (atezo) plus nabpaclitaxel (nP) in metastatic triple-negative breast cancer (mTNBC).
Adams S, Dieras V, Barrios C, Winer E, Schneeweiss A, Iwata H, Loi S, Patel S, Henschel V, Chui S, Rugo H, Emens L, Schmid P. Patient-reported outcomes (PROs) from the phase III IMpassion130 trial of atezolizumab (atezo) plus nabpaclitaxel (nP) in metastatic triple-negative breast cancer (mTNBC). Journal Of Clinical Oncology 2019, 37: 1067-1067. DOI: 10.1200/jco.2019.37.15_suppl.1067.Peer-Reviewed Original ResearchMetastatic triple-negative breast cancerPatient-reported outcomesPD-L1Role functionClinical benefitPhysical functionDay 1Triple-negative breast cancerBreast cancer moduleEORTC QLC-C30Overall clinical benefitEnd of treatmentExploratory endpointsSecondary endpointsCancer ModuleDisease progressionBreast cancerHRQoLPRO dataMedian TTDAtezoBL scoreOS improvementSymptomsPhase IIIIMpassion130: Expanded safety analysis from a P3 study of atezolizumab (A) + nab-paclitaxel (nP) in patients (pts) with treatment (tx)-naïve, locally advanced or metastatic triple-negative breast cancer (mTNBC).
Schneeweiss A, Rugo H, Winer E, Barrios C, Iwata H, Dieras V, Loi S, Maiya V, Bond J, Lei G, Chui S, Adams S, Emens L, Schmid P. IMpassion130: Expanded safety analysis from a P3 study of atezolizumab (A) + nab-paclitaxel (nP) in patients (pts) with treatment (tx)-naïve, locally advanced or metastatic triple-negative breast cancer (mTNBC). Journal Of Clinical Oncology 2019, 37: 1068-1068. DOI: 10.1200/jco.2019.37.15_suppl.1068.Peer-Reviewed Original ResearchMetastatic triple-negative breast cancerTriple-negative breast cancerTolerable safety profileCauses of withdrawalMonotherapy trialsPFS benefitSerious AEsSystemic corticosteroidsMedian FUSecondary endpointsNab-paclitaxelAdverse eventsPD-L1Peripheral neuropathyMedian timeSafety profileLonger FUSafety signalsBreast cancerSafety dataCumulative toxicityData cutAESIP3 studiesGr 3IMpassion130: updated overall survival (OS) from a global, randomized, double-blind, placebo-controlled, Phase III study of atezolizumab (atezo) + nab- paclitaxel (nP) in previously untreated locally advanced or metastatic triple-negative breast cancer (mTNBC).
Schmid P, Adams S, Rugo H, Schneeweiss A, Barrios C, Iwata H, Dieras V, Henschel V, Molinero L, Chui S, Husain A, Winer E, Loi S, Emens L. IMpassion130: updated overall survival (OS) from a global, randomized, double-blind, placebo-controlled, Phase III study of atezolizumab (atezo) + nab- paclitaxel (nP) in previously untreated locally advanced or metastatic triple-negative breast cancer (mTNBC). Journal Of Clinical Oncology 2019, 37: 1003-1003. DOI: 10.1200/jco.2019.37.15_suppl.1003.Peer-Reviewed Original ResearchMetastatic triple-negative breast cancerOverall survivalPD-L1OS analysisTriple-negative breast cancerECOG PS 0Median overall survivalPrimary PFS analysisPD-L1 testingPhase III studyCo-primary endpointsEligible ptsOS benefitData cutoffIII studyNab-paclitaxelPS 0AtezoBreast cancerPFS analysisPlaceboNP armTumor tissueSafety updateOS dataThe 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 1