2024
Multi-platform biomarkers of response to an immune checkpoint inhibitor in the neoadjuvant I-SPY 2 trial for early-stage breast cancer
Campbell M, Wolf D, Yau C, Brown-Swigart L, Wulfkuhle J, Gallagher I, Zhu Z, Bolen J, Vandenberg S, Hoyt C, Mori H, Borowsky A, Sit L, Perlmutter J, Asare S, Investigators I, Nanda R, Liu M, Yee D, DeMichele A, Hylton N, Pusztai L, Berry D, Hirst G, Petricoin E, Veer L, Esserman L. Multi-platform biomarkers of response to an immune checkpoint inhibitor in the neoadjuvant I-SPY 2 trial for early-stage breast cancer. Cell Reports Medicine 2024, 101799. PMID: 39510069, DOI: 10.1016/j.xcrm.2024.101799.Peer-Reviewed Original ResearchImmune checkpoint blockadeI-SPY 2 TRIALPathological complete responseTumor microenvironmentBreast cancerAssociated with pathologic complete responseBreast cancer receptor subtypesNeoadjuvant immune checkpoint blockadePD-L1<sup>+</sup> cellsSpatial distribution of immune cellsDistribution of immune cellsEarly-stage breast cancerImmune checkpoint inhibitorsBiomarkers of responseImmune cell populationsImmune cell densityAssociated with responseImmune cell signalingCheckpoint blockadeCheckpoint inhibitorsComplete responsePretreatment biopsiesReceptor subtypesT cellsImmune cells
2023
Spatial analyses of immune cell infiltration in cancer: current methods and future directions: A report of the International Immuno‐Oncology Biomarker Working Group on Breast Cancer
Page D, Broeckx G, Jahangir C, Verbandt S, Gupta R, Thagaard J, Khiroya R, Kos Z, Abduljabbar K, Haab G, Acs B, Akturk G, Almeida J, Alvarado‐Cabrero I, Azmoudeh‐Ardalan F, Badve S, Baharun N, Bellolio E, Bheemaraju V, Blenman K, Fujimoto L, Bouchmaa N, Burgues O, Cheang M, Ciompi F, Cooper L, Coosemans A, Corredor G, Portela F, Deman F, Demaria S, Dudgeon S, Elghazawy M, Ely S, Fernandez‐Martín C, Fineberg S, Fox S, Gallagher W, Giltnane J, Gnjatic S, Gonzalez‐Ericsson P, Grigoriadis A, Halama N, Hanna M, Harbhajanka A, Hardas A, Hart S, Hartman J, Hewitt S, Hida A, Horlings H, Husain Z, Hytopoulos E, Irshad S, Janssen E, Kahila M, Kataoka T, Kawaguchi K, Kharidehal D, Khramtsov A, Kiraz U, Kirtani P, Kodach L, Korski K, Kovács A, Laenkholm A, Lang‐Schwarz C, Larsimont D, Lennerz J, Lerousseau M, Li X, Ly A, Madabhushi A, Maley S, Narasimhamurthy V, Marks D, McDonald E, Mehrotra R, Michiels S, Minhas F, Mittal S, Moore D, Mushtaq S, Nighat H, Papathomas T, Penault‐Llorca F, Perera R, Pinard C, Pinto‐Cardenas J, Pruneri G, Pusztai L, Rahman A, Rajpoot N, Rapoport B, Rau T, Reis‐Filho J, Ribeiro J, Rimm D, Vincent‐Salomon A, Salto‐Tellez M, Saltz J, Sayed S, Siziopikou K, Sotiriou C, Stenzinger A, Sughayer M, Sur D, Symmans F, Tanaka S, Taxter T, Tejpar S, Teuwen J, Thompson E, Tramm T, Tran W, van der Laak J, van Diest P, Verghese G, Viale G, Vieth M, Wahab N, Walter T, Waumans Y, Wen H, Yang W, Yuan Y, Adams S, Bartlett J, Loibl S, Denkert C, Savas P, Loi S, Salgado R, Stovgaard E. Spatial analyses of immune cell infiltration in cancer: current methods and future directions: A report of the International Immuno‐Oncology Biomarker Working Group on Breast Cancer. The Journal Of Pathology 2023, 260: 514-532. PMID: 37608771, PMCID: PMC11288334, DOI: 10.1002/path.6165.Peer-Reviewed Original Research
2021
Quantitative assessment of the immune microenvironment in African American Triple Negative Breast Cancer: a case–control study
Yaghoobi V, Moutafi M, Aung TN, Pelekanou V, Yaghoubi S, Blenman K, Ibrahim E, Vathiotis IA, Shafi S, Sharma A, O’Meara T, Fernandez AI, Pusztai L, Rimm DL. Quantitative assessment of the immune microenvironment in African American Triple Negative Breast Cancer: a case–control study. Breast Cancer Research 2021, 23: 113. PMID: 34906209, PMCID: PMC8670126, DOI: 10.1186/s13058-021-01493-w.Peer-Reviewed Original ResearchConceptsNegative breast cancerT cellsTumor microenvironmentAA patientsImmune cellsAA tumorsBreast cancerPurposeTriple-negative breast cancerAfrican AmericansTriple-negative breast cancerCase-control studySignificant differencesActivated T cellsImmunologic biomarkersPD-L1Lymphocytic infiltrationLymphoid infiltrationImmune microenvironmentControl cohortTNBC tumorsMyeloid markersQuantitative immunofluorescenceMean expression levelPatientsTNBCComparison of Autologous Breast Reconstruction Complications by Type of Neoadjuvant Chemotherapy Regimen
Olawoyin OM, Mehta S, Chouairi F, Gabrick KS, Avraham T, Pusztai L, Alperovich M. Comparison of Autologous Breast Reconstruction Complications by Type of Neoadjuvant Chemotherapy Regimen. Plastic & Reconstructive Surgery 2021, 148: 1186-1196. PMID: 34644277, DOI: 10.1097/prs.0000000000008505.Peer-Reviewed Original ResearchConceptsNeoadjuvant chemotherapy regimensMicrovascular breast reconstructionNeoadjuvant chemotherapyChemotherapy regimensComplication rateFat necrosisBreast reconstructionImmune cellsCLINICAL QUESTION/LEVELMultivariate binary logistic regressionYale-New Haven HospitalAdministration of taxanesBreast Reconstruction ComplicationsInclusion of anthracyclinesNeoadjuvant chemotherapy regimenDosage of chemotherapyNew Haven HospitalNeoadjuvant chemotherapy completionLogistic regression modelsBinary logistic regressionOncologic historyTaxane administrationChemotherapy regimenChemotherapy completionPathologic response
2020
Comparison of PD-L1 protein expression between primary tumors and metastatic lesions in triple negative breast cancers
Rozenblit M, Huang R, Danziger N, Hegde P, Alexander B, Ramkissoon S, Blenman K, Ross JS, Rimm DL, Pusztai L. Comparison of PD-L1 protein expression between primary tumors and metastatic lesions in triple negative breast cancers. Journal For ImmunoTherapy Of Cancer 2020, 8: e001558. PMID: 33239417, PMCID: PMC7689582, DOI: 10.1136/jitc-2020-001558.Peer-Reviewed Original ResearchConceptsPD-L1 positivity ratePD-L1 positivityPD-L1 expressionDifferent metastatic sitesPrimary tumorMetastatic sitesPositivity rateImmune cellsMetastatic lesionsTumor cellsPD-L1 protein expressionTriple-negative breast cancerMore primary tumorsTriple negative breast cancer tumorsPrimary breast lesionsPrimary outcome measureSoft tissueNegative breast cancerLow positivity rateBreast cancer tumorsBone metastasesFoundation MedicineLymph nodesPD-L1Spearman correlation coefficientPD-L1 Protein Expression on Both Tumor Cells and Macrophages are Associated with Response to Neoadjuvant Durvalumab with Chemotherapy in Triple-negative Breast Cancer
Ahmed FS, Gaule P, McGuire J, Patel K, Blenman K, Pusztai L, Rimm DL. PD-L1 Protein Expression on Both Tumor Cells and Macrophages are Associated with Response to Neoadjuvant Durvalumab with Chemotherapy in Triple-negative Breast Cancer. Clinical Cancer Research 2020, 26: 5456-5461. PMID: 32709714, PMCID: PMC7572612, DOI: 10.1158/1078-0432.ccr-20-1303.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntibodies, MonoclonalAntigens, CDAntigens, Differentiation, MyelomonocyticAntineoplastic Combined Chemotherapy ProtocolsB7-H1 AntigenBiomarkers, TumorCell ProliferationFemaleGene Expression Regulation, NeoplasticHumansLymphocytes, Tumor-InfiltratingMacrophagesMiddle AgedNeoadjuvant TherapyProgrammed Cell Death 1 ReceptorTriple Negative Breast NeoplasmsConceptsTriple-negative breast cancerPD-L1 expressionNeoadjuvant durvalumabTumor cellsImmune cellsBreast cancerPretreatment core-needle biopsiesPhase I/II clinical trialsPD-L1 protein expressionIMpassion 130 trialCore needle biopsyAmount of CD68Neoadjuvant settingMetastatic settingPD-L1Clinical trialsNeedle biopsyInsufficient tissuePatientsCD68Stromal compartmentQuantitative immunofluorescenceChemotherapyFinal analysisProtein expression
2019
Reanalysis of the NCCN PD-L1 companion diagnostic assay study for lung cancer in the context of PD-L1 expression findings in triple-negative breast cancer
Rimm DL, Han G, Taube JM, Yi ES, Bridge JA, Flieder DB, Homer R, Roden AC, Hirsch FR, Wistuba II, Pusztai L. Reanalysis of the NCCN PD-L1 companion diagnostic assay study for lung cancer in the context of PD-L1 expression findings in triple-negative breast cancer. Breast Cancer Research 2019, 21: 72. PMID: 31196152, PMCID: PMC6567382, DOI: 10.1186/s13058-019-1156-6.Peer-Reviewed Original ResearchConceptsPD-L1 expressionImmune cell PD-L1 expressionLung cancerImmune cellsTriple-negative breast cancerEasy scoring methodCompanion diagnostic testsPD-L1Immune therapyBreast cancerImmunohistochemical testsBetter outcomesLarger studyTumor cellsDiagnostic testsCancerExpression findingsCellsExpressionPoor agreementScoring methodTherapyTrials
2015
The Influence of Host Factors on the Prognosis of Breast Cancer: Stroma and Immune Cell Components as Cancer Biomarkers.
Karn T, Pusztai L, Rody A, Holtrich U, Becker S. The Influence of Host Factors on the Prognosis of Breast Cancer: Stroma and Immune Cell Components as Cancer Biomarkers. Current Cancer Drug Targets 2015, 15: 652-64. PMID: 26452382, DOI: 10.2174/156800961508151001101209.Peer-Reviewed Original ResearchConceptsBreast cancerPredictive markerImmune cellsStromal componentsHER2-positive breast cancerHigh lymphocytic infiltrationPositive breast cancerHER2-positive cancersImmune cell componentsNovel therapeutic optionsType breast cancerBreast cancer subtypesHost immunological responseImmunotherapeutic regimensClinical courseImmune markersLymphocytic infiltrationPositive cancersTherapeutic optionsInflammatory cellsClinical subtypingImmunological parametersClinical trialsImmune parametersImmunological response
2009
T-cell metagene predicts a favorable prognosis in estrogen receptor-negative and HER2-positive breast cancers
Rody A, Holtrich U, Pusztai L, Liedtke C, Gaetje R, Ruckhaeberle E, Solbach C, Hanker L, Ahr A, Metzler D, Engels K, Karn T, Kaufmann M. T-cell metagene predicts a favorable prognosis in estrogen receptor-negative and HER2-positive breast cancers. Breast Cancer Research 2009, 11: r15. PMID: 19272155, PMCID: PMC2688939, DOI: 10.1186/bcr2234.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansImmunoenzyme TechniquesLymphocyte Specific Protein Tyrosine Kinase p56(lck)Neoplasm StagingOligonucleotide Array Sequence AnalysisPrognosisReceptor, ErbB-2Receptors, EstrogenT-LymphocytesConceptsER-negative tumorsImmune cellsBreast cancer samplesSurrogate markerPrognostic valueBreast cancerHuman epidermal growth factor receptor 2 (HER2) amplificationHER2-positive breast cancerDifferent immune cell typesCancer samplesPrimary breast cancer samplesER-negative groupER-positive tumorsDifferent immune cellsSignificant prognostic valuePositive prognostic valueImmune cell typesSubgroup of tumorsPrognostic gene signatureNeoadjuvant chemotherapyFavorable prognosisCytokine milieuClinical parametersNegative tumorsWorse prognosis