Featured Publications
Tissue Age Affects Antigenicity and Scoring for the 22C3 Immunohistochemistry Companion Diagnostic Test
Fernandez A, Gaule P, Rimm D. Tissue Age Affects Antigenicity and Scoring for the 22C3 Immunohistochemistry Companion Diagnostic Test. Modern Pathology 2023, 36: 100159. PMID: 36925070, PMCID: PMC10502188, DOI: 10.1016/j.modpat.2023.100159.Peer-Reviewed Original ResearchConceptsPD-L1 signalTumor proportion scoreTissue microarray cohortCell lung cancerPrevious clinical diagnosisWhole tissue sectionsCompanion diagnostic testsMultiple cancer typesMicroarray cohortTMA cohortLaboratory-developed testsPD-L1NSCLC casesLung cancerProportion scorePositive stainingAntibody 22C3Immunohistochemistry testsClinical diagnosisExtracellular domainCancer typesDiagnostic testsArchival tissueDomain antigenAntibodies
2022
Association of PD-1/PD-L1 Co-location with Immunotherapy Outcomes in Non-Small Cell Lung Cancer
Gavrielatou N, Liu Y, Vathiotis I, Zugazagoitia J, Aung TN, Shafi S, Fernandez A, Schalper K, Psyrri A, Rimm DL. Association of PD-1/PD-L1 Co-location with Immunotherapy Outcomes in Non-Small Cell Lung Cancer. Clinical Cancer Research 2022, 28: clincanres.2649.2021. PMID: 34686497, PMCID: PMC8776595, DOI: 10.1158/1078-0432.ccr-21-2649.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerBest overall responsePD-L1 tumor proportion scorePD-1/PD-L1Immune checkpoint inhibitorsProgression-free survivalTumor proportion scoreCell lung cancerPD-L1Immunotherapy outcomesCheckpoint inhibitorsOverall survivalQuantitative immunofluorescenceLung cancerProportion scoreAdvanced non-small cell lung cancerLocal T cell responsesCell death protein 1Immunotherapy-treated patientsMultiplexed quantitative immunofluorescencePD-1 expressionPD-L1 expressionDeath protein 1Selection of patientsT cell responses
2021
Programmed Death-Ligand 1 Tumor Proportion Score and Overall Survival From First-Line Pembrolizumab in Patients With Nonsquamous Versus Squamous NSCLC
Doroshow DB, Wei W, Gupta S, Zugazagoitia J, Robbins C, Adamson B, Rimm DL. Programmed Death-Ligand 1 Tumor Proportion Score and Overall Survival From First-Line Pembrolizumab in Patients With Nonsquamous Versus Squamous NSCLC. Journal Of Thoracic Oncology 2021, 16: 2139-2143. PMID: 34455068, PMCID: PMC8612948, DOI: 10.1016/j.jtho.2021.07.032.Peer-Reviewed Original ResearchConceptsPD-L1 tumor proportion scoreTumor proportion scoreHigh PD-L1 tumor proportion scoreOverall survivalNonsquamous histologySquamous NSCLCNonsquamous NSCLCPredictive biomarkersProportion scoreDeath ligand 1 (PD-L1) tumor proportion scoreElectronic health record-derived databaseFirst-line pembrolizumab therapyPD-1 expression levelsPD-L1 expression levelsCommunity oncology clinicsMedian OS differenceSingle-agent pembrolizumabImmune checkpoint inhibitorsImproved overall survivalMedian overall survivalPrimary end pointFirst-line pembrolizumabFirst-line therapyPD-L1 expressionPD-L1 testing
2020
PD-L1 tumor proportion score and clinical benefit from first-line pembrolizumab in patients with advanced nonsquamous versus squamous non-small cell lung cancer (NSCLC).
Doroshow D, Wei W, Zugazagoitia J, Robbins C, Gupta S, Adamson B, Rimm D. PD-L1 tumor proportion score and clinical benefit from first-line pembrolizumab in patients with advanced nonsquamous versus squamous non-small cell lung cancer (NSCLC). Journal Of Clinical Oncology 2020, 38: 9539-9539. DOI: 10.1200/jco.2020.38.15_suppl.9539.Peer-Reviewed Original ResearchPD-L1 tumor proportion scoreNon-small cell lung cancerTumor proportion scoreMedian overall survivalFirst-line pembrolizumabOverall survivalLonger OSHazard ratioPD-L1Predictive biomarkersNS patientsProportion scoreSquamous non-small cell lung cancerAppropriate predictive biomarkersUnadjusted hazard ratioNSCLC tumor cellsLonger overall survivalCell lung cancerCheckpoint inhibitor useDe-identified databaseHistology interactionNonsquamous cancerSQ patientsSquamous histologyPrimary endpoint