2022
Reply to: Letter to editor on the article “Choice of PD-L1 immunohistochemistry assay influences clinical eligibility for gastric cancer immunotherapy”
Yeong J, Teo C, Tay R, Tan B, Chan Y, Smyth E, Sundar R. Reply to: Letter to editor on the article “Choice of PD-L1 immunohistochemistry assay influences clinical eligibility for gastric cancer immunotherapy”. Gastric Cancer 2022, 25: 1133-1135. PMID: 36152122, DOI: 10.1007/s10120-022-01343-4.Peer-Reviewed Original ResearchConceptsPD-L1 immunohistochemistry assaysGastric cancer immunotherapyCancer immunotherapyClinical eligibilityImmunohistochemistry assayImmunotherapyChoice of PD-L1 immunohistochemistry assay influences clinical eligibility for gastric cancer immunotherapy
Yeong J, Lum H, Teo C, Tan B, Chan Y, Tay R, Choo J, Jeyasekharan A, Miow Q, Loo L, Yong W, Sundar R. Choice of PD-L1 immunohistochemistry assay influences clinical eligibility for gastric cancer immunotherapy. Gastric Cancer 2022, 25: 741-750. PMID: 35661944, PMCID: PMC9226082, DOI: 10.1007/s10120-022-01301-0.Peer-Reviewed Original ResearchConceptsCombined positive scorePD-L1 combined positive scoreTumor proportion scorePD-L1Gastric cancerImmune cellsPD-L1 immunohistochemistry assaysProgrammed death-ligand 1Resection of gastric cancerStandard-of-care treatmentBackgroundImmune checkpoint inhibitorsGastric cancer immunotherapyPD-L1 positivityPD-L1 scoringPD-L1 immunohistochemistryDeath-ligand 1Metastatic gastric cancerPD-L1-positive samplesInter-assay concordanceCheckpoint inhibitorsDako 22C3ICI therapyCross-sectional studyCancer immunotherapyPatient selectionChoice of PD-L1 immunohistochemistry assay influences clinical eligibility for gastric cancer immunotherapy.
Tay R, Yeong J, Lum J, Teo C, Tan B, Chan Y, Choo J, Jeyasekhran A, Miow Q, Loo L, Yong W, Sundar R. Choice of PD-L1 immunohistochemistry assay influences clinical eligibility for gastric cancer immunotherapy. Journal Of Clinical Oncology 2022, 40: 4026-4026. DOI: 10.1200/jco.2022.40.16_suppl.4026.Peer-Reviewed Original ResearchImmune checkpoint inhibitorsImmune checkpoint inhibitor therapyPD-L1 CPSTumor proportion scorePD-L1Gastric cancerTissue microarrayImmune cellsPatients treated with ICI therapyPD-L1 expression statusPD-L1 immunohistochemistry assaysProgrammed death-ligand 1Resection of gastric cancerStandard-of-care treatmentGastric cancer immunotherapyPD-L1 scoringPD-L1 immunohistochemistryPD-L1 positivityDeath-ligand 1Metastatic gastric cancerPD-L1-positive samplesInter-assay concordanceNational University HospitalWhole slide analysisCut-off
2021
PD-L1 as a biomarker of response to immune-checkpoint inhibitors
Doroshow DB, Bhalla S, Beasley MB, Sholl LM, Kerr KM, Gnjatic S, Wistuba II, Rimm DL, Tsao MS, Hirsch FR. PD-L1 as a biomarker of response to immune-checkpoint inhibitors. Nature Reviews Clinical Oncology 2021, 18: 345-362. PMID: 33580222, DOI: 10.1038/s41571-021-00473-5.Peer-Reviewed Original ResearchConceptsImmune checkpoint inhibitorsSelection of patientsPD-L1L1 antibodyImmunohistochemistry assaysPD-L1 immunohistochemistry assaysOutcomes of patientsBiomarkers of responseCompanion diagnostic assayTypes of cancerPD-1Clinical outcomesSelection biomarkerProspective comparisonClinical challengeNew therapiesFuture treatmentPatientsSolid tumorsClinical useSpecific agentsInter-assay variabilityBiomarkersCurrent roleDiagnostic assays
2020
Digital quantitative assessment of PD-L1 using digital spatial profiling
Gupta S, Zugazagoitia J, Martinez-Morilla S, Fuhrman K, Rimm DL. Digital quantitative assessment of PD-L1 using digital spatial profiling. Laboratory Investigation 2020, 100: 1311-1317. PMID: 32249818, PMCID: PMC7502436, DOI: 10.1038/s41374-020-0424-5.Peer-Reviewed Original ResearchConceptsTissue microarrayPD-L1Digital spatial profilingDeath 1 ligand 1 expressionPD-L1 immunohistochemistry assaysDigital quantitative assessmentDigital Spatial ProfilerLigand 1 expressionPD-L1 assaysCompanion diagnostic testingCell linesImmune therapyPredictive markerImmune cellsImmunohistochemistry assaysQuantitative immunohistochemistryUS FoodDrug AdministrationDiagnostic testingImmunohistochemistryNCounter platformTumor cellsDifferent scoring methodsMultiple studiesDifferent antibodies
2019
LBA1 Clinical efficacy of atezolizumab (atezo) in biomarker subgroups by SP142, SP263 and 22C3 PD-L1 immunohistochemistry (IHC) assays and by blood tumour mutational burden (bTMB): Results from the IMpower110 study
Herbst R, de Marinis F, Giaccone G, Reinmuth N, Vergnenegre A, Barrios C, Morise M, Felip E, Andric Z, Geater S, Ozguroglu M, Mocci S, McCleland M, Zou W, Enquist I, Komatsubara K, Deng Y, Kuriki H, Spigel D, Jassem J. LBA1 Clinical efficacy of atezolizumab (atezo) in biomarker subgroups by SP142, SP263 and 22C3 PD-L1 immunohistochemistry (IHC) assays and by blood tumour mutational burden (bTMB): Results from the IMpower110 study. Annals Of Oncology 2019, 30: xi62-xi63. DOI: 10.1093/annonc/mdz453.Peer-Reviewed Original ResearchBlood tumor mutational burdenBiomarker-evaluable populationTumor proportion scorePD-L1Bristol-Myers SquibbClinical trialsF. Hoffmann-La RocheLecture feesAstra ZenecaBoehringer IngelheimHoffmann-La RocheOS HRBiomarker subgroupsPD-L1 IHC assaysPD-L1 immunohistochemistry assaysIHC assaysEli LillyPrincipal investigatorECOG PS 0Genentech/RochePD-L1 cutoffsSignificant OS improvementStage IV NSCLCAstellas PharmaTumor mutational burdenLBA20 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 agreement
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply