2024
Quantitative Measurement of HER2 Expression in Non–Small Cell Lung Cancer With a High-Sensitivity Assay
Liu M, Vathiotis I, Robbins C, Chan N, Moutafi M, Burela S, Xirou V, Schalper K, Herbst R, Syrigos K, Rimm D. Quantitative Measurement of HER2 Expression in Non–Small Cell Lung Cancer With a High-Sensitivity Assay. Modern Pathology 2024, 37: 100556. PMID: 38964502, PMCID: PMC11416319, DOI: 10.1016/j.modpat.2024.100556.Peer-Reviewed Original ResearchNon-small cell lung cancerCases of non-small cell lung cancerNon-small cell lung cancer casesT-DXdCell lung cancerHER2 expressionBreast cancerRare case of non-small cell lung cancerQuantitative immunofluorescenceAntibody-drug conjugate trastuzumab deruxtecanLung cancerHER2 antibody-drug conjugatesNon-small cell lung cancer patientsDetecting HER2 expressionHER2-targeted therapyMetastatic breast cancerHER2 protein expressionBreast cancer casesHER2 protein levelsAntibody-drug conjugatesProportion of casesTrastuzumab deruxtecanNSCLC casesFrequency of casesImmunohistochemistry score
2020
Trial in progress: A phase II open-label, randomized study of PARP inhibition (olaparib) either alone or in combination with anti-PD-L1 therapy (atezolizumab) in homologous DNA repair (HDR) deficient, locally advanced or metastatic non-HER2-positive breast cancer.
LoRusso P, Pilat M, Santa-Maria C, Connolly R, Roesch E, Afghahi A, Han H, Nanda R, Wulf G, Assad H, Park H, Dees E, Force J, Noonan A, Brufsky A, Abramson V, Haley B, Buys S, Sharon E, Schalper K. Trial in progress: A phase II open-label, randomized study of PARP inhibition (olaparib) either alone or in combination with anti-PD-L1 therapy (atezolizumab) in homologous DNA repair (HDR) deficient, locally advanced or metastatic non-HER2-positive breast cancer. Journal Of Clinical Oncology 2020, 38: tps1102-tps1102. DOI: 10.1200/jco.2020.38.15_suppl.tps1102.Peer-Reviewed Original ResearchPositive breast cancerPo bidPARP inhibitionBreast cancerImmune responseOpen-label phase II clinical trialAdaptive anti-tumor immune responsesAnti-tumor immune responsePhase II clinical trialMarked lymphocyte infiltrationPD-1 blockadePD-L1 expressionPre-treatment biopsiesProgression-free survivalAntitumor immune responseImmune checkpoint blockadeMajority of patientsBRCA 1/2 mutationsTumor immune contextureBiopsy time pointsHomologous DNA repairPARP inhibitor olaparibMonotherapy armCombination armImmune contexture
2017
Objective measurement and clinical significance of IDO1 protein in hormone receptor-positive breast cancer
Carvajal-Hausdorf DE, Mani N, Velcheti V, Schalper KA, Rimm DL. Objective measurement and clinical significance of IDO1 protein in hormone receptor-positive breast cancer. Journal For ImmunoTherapy Of Cancer 2017, 5: 81. PMID: 29037255, PMCID: PMC5644103, DOI: 10.1186/s40425-017-0285-7.Peer-Reviewed Original ResearchConceptsHormone receptor-positive breast cancerReceptor-positive breast cancerIDO1 expressionBreast cancerIndependent negative prognostic markerB cell infiltrationImmune suppressive pathwaysAdvanced solid tumorsTumor-infiltrating lymphocytesT cell responsesClinico-pathological featuresClinico-pathological characteristicsProportional hazards modelNegative prognostic markerDegradation of tryptophanMann-Whitney testFoxp3 levelsIDO1 blockadeIDO1 levelsEffector CD4Durable responsesOverall survivalImmune toleranceMultivariable analysisPrognostic markerObjective, domain-specific HER2 measurement in uterine and ovarian serous carcinomas and its clinical significance
Carvajal-Hausdorf DE, Schalper KA, Bai Y, Black J, Santin AD, Rimm DL. Objective, domain-specific HER2 measurement in uterine and ovarian serous carcinomas and its clinical significance. Gynecologic Oncology 2017, 145: 154-158. PMID: 28196634, PMCID: PMC5941302, DOI: 10.1016/j.ygyno.2017.02.002.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAfatinibAntibodies, Monoclonal, HumanizedAntineoplastic AgentsCohort StudiesExtracellular SpaceFemaleFluorescent Antibody TechniqueHumansIntracellular SpaceLapatinibMaytansineMiddle AgedNeoplasms, Cystic, Mucinous, and SerousOvarian NeoplasmsProtein DomainsQuinazolinesReceptor, ErbB-2Retrospective StudiesTissue Array AnalysisTrastuzumabUterine NeoplasmsConceptsUterine serous carcinomaOvarian serous carcinomaHER2 intracellular domainSerous carcinomaECD levelsECD statusTissue microarrayHER2 measurementQuantitative immunofluorescenceHER2 overexpression/amplificationClinico-pathologic characteristicsClinico-pathological featuresHER2-targeted agentsIntracellular domainOverexpression/amplificationHER2 extracellular domainExtracellular domainOSC patientsClinical trialsBreast cancerClinical significancePatientsHER2 assaysP95-HER2Carcinoma
2016
Quantitative assessment of the spatial heterogeneity of tumor-infiltrating lymphocytes in breast cancer
Mani NL, Schalper KA, Hatzis C, Saglam O, Tavassoli F, Butler M, Chagpar AB, Pusztai L, Rimm DL. Quantitative assessment of the spatial heterogeneity of tumor-infiltrating lymphocytes in breast cancer. Breast Cancer Research 2016, 18: 78. PMID: 27473061, PMCID: PMC4966732, DOI: 10.1186/s13058-016-0737-x.Peer-Reviewed Original ResearchConceptsIntraclass correlation coefficientQuantitative immunofluorescenceBreast cancerSame cancerSingle biopsyMultiplexed quantitative immunofluorescenceTumor-infiltrating lymphocytesPotential predictive markerPrimary breast carcinomaCytokeratin-positive epithelial cellsCD20-positive lymphocytesCD8 levelsLymphocyte scoreQIF scoresLymphocyte countLymphocyte subpopulationsMultiple biopsiesSubpopulation countsPredictive markerPrognostic informationBreast carcinomaBiopsyB lymphocytesCD3Breast tumors
2015
Measurement of Domain-Specific HER2 (ERBB2) Expression May Classify Benefit From Trastuzumab in Breast Cancer
Carvajal-Hausdorf DE, Schalper KA, Pusztai L, Psyrri A, Kalogeras KT, Kotoula V, Fountzilas G, Rimm DL. Measurement of Domain-Specific HER2 (ERBB2) Expression May Classify Benefit From Trastuzumab in Breast Cancer. Journal Of The National Cancer Institute 2015, 107: djv136. PMID: 25991002, PMCID: PMC4554192, DOI: 10.1093/jnci/djv136.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntibodies, Monoclonal, HumanizedAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantClinical Trials as TopicDisease-Free SurvivalExtracellular SpaceFemaleFluorescent Antibody TechniqueGene Expression Regulation, NeoplasticHumansIntracellular SpaceKaplan-Meier EstimateMiddle AgedPredictive Value of TestsPrognosisReceptor, ErbB-2Sensitivity and SpecificityTissue Array AnalysisTrastuzumabTreatment OutcomeConceptsHuman epidermal growth factor receptor 2ECD expressionICD statusLonger DFSQuantitative immunofluorescenceTrastuzumab therapyPrognostic valueBreast cancerTissue microarrayEpidermal growth factor receptor 2Adjuvant trastuzumab therapyDisease-free survival analysisTrastuzumab-treated patientsGrowth factor receptor 2High positive predictive valueHER2-positive tumorsKaplan-Meier estimatesFactor receptor 2ERBB2 gene amplificationHER2 protein expressionPositive predictive valueExtracellular domainAdjuvant chemotherapyHER2-ICDBetter DFSPD-L1 Expression Correlates with Tumor-Infiltrating Lymphocytes and Response to Neoadjuvant Chemotherapy in Breast Cancer
Wimberly H, Brown JR, Schalper K, Haack H, Silver MR, Nixon C, Bossuyt V, Pusztai L, Lannin DR, Rimm DL. PD-L1 Expression Correlates with Tumor-Infiltrating Lymphocytes and Response to Neoadjuvant Chemotherapy in Breast Cancer. Cancer Immunology Research 2015, 3: 326-332. PMID: 25527356, PMCID: PMC4390454, DOI: 10.1158/2326-6066.cir-14-0133.Peer-Reviewed Original ResearchConceptsTumor-infiltrating lymphocytesPD-L1 expressionPathologic complete responseNeoadjuvant chemotherapyPD-L1Breast cancerDeath 1 ligand 1PD-L1 protein expressionYale-New Haven HospitalHigh PD-L1Antitumor immune activitySubset of patientsTriple-negative patientsBreast cancer patientsTriple-negative statusImmune checkpoint proteinsImmune regulatory moleculesNew Haven HospitalSignificant multivariate modelRabbit monoclonal antibodyTILs correlateComplete responseImmune therapyCancer patientsImmune activity
2014
PD-L1 expression and tumor-infiltrating lymphocytes
Schalper KA. PD-L1 expression and tumor-infiltrating lymphocytes. OncoImmunology 2014, 3: e29288. PMID: 25083339, PMCID: PMC4106164, DOI: 10.4161/onci.29288.Peer-Reviewed Original ResearchOverexpression of the HER2/neu Gene: A New Therapeutic Possibility for Patients With Advanced Gallbladder Cancer.
Roa I, de Toro G, Schalper K, de Aretxabala X, Churi C, Javle M. Overexpression of the HER2/neu Gene: A New Therapeutic Possibility for Patients With Advanced Gallbladder Cancer. Gastrointestinal Cancer Research : GCR 2014, 7: 42-8. PMID: 24799970, PMCID: PMC4007675.Peer-Reviewed Original ResearchHER2/neu overexpressionHER2/neu geneGallbladder cancerHER2/neuNeu overexpressionHER2/neu expressionNeu geneHer2/neu pathwaySubgroup of patientsWorse overall survivalAdvanced gallbladder cancerSingle large studyAnti-ErbB2 antibodyNew therapeutic possibilitiesGallbladder cancer casesASCO criteriaOverall survivalAdvanced cancerControl subjectsNeu expressionTargeted therapyEquivocal stainingBreast cancerCancer casesImmunohistochemical techniques
2013
Pin1 modulates ERα levels in breast cancer through inhibition of phosphorylation-dependent ubiquitination and degradation
Rajbhandari P, Schalper KA, Solodin NM, Ellison-Zelski SJ, Ping Lu K, Rimm DL, Alarid ET. Pin1 modulates ERα levels in breast cancer through inhibition of phosphorylation-dependent ubiquitination and degradation. Oncogene 2013, 33: 1438-1447. PMID: 23542176, PMCID: PMC3815749, DOI: 10.1038/onc.2013.78.Peer-Reviewed Original ResearchConceptsERα protein levelsERα proteinBreast cancerERα-positive breast cancerProtein levelsPotential surrogate markerRetrospective cohortSurrogate markerBreast carcinomaTherapy decisionsERα levelsESR1 levelsERα ubiquitinationCertain tumorsHuman tumorsDiscordant levelsESR1Pin1 levelsReceptor interactionUbiquitin-proteasome pathwayReceptor degradationImportant biomarkerTumorsCancerTransactivation function