Differential regulation of PD-L1 expression by immune and tumor cells in NSCLC and the response to treatment with atezolizumab (anti–PD-L1)
Kowanetz M, Zou W, Gettinger SN, Koeppen H, Kockx M, Schmid P, Kadel EE, Wistuba I, Chaft J, Rizvi NA, Spigel DR, Spira A, Hirsch FR, Cohen V, Smith D, Boyd Z, Miley N, Flynn S, Leveque V, Shames DS, Ballinger M, Mocci S, Shankar G, Funke R, Hampton G, Sandler A, Amler L, Mellman I, Chen DS, Hegde PS. Differential regulation of PD-L1 expression by immune and tumor cells in NSCLC and the response to treatment with atezolizumab (anti–PD-L1). Proceedings Of The National Academy Of Sciences Of The United States Of America 2018, 115: e10119-e10126. PMID: 30297397, PMCID: PMC6205493, DOI: 10.1073/pnas.1802166115.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerPD-L1 expressionImmune cellsTumor cellsCases of NSCLCHigh PD-L1 expressionHigh PD-L1 levelsSingle-agent checkpoint inhibitorsAntitumor T-cell responsesTumor-infiltrating immune cellsPD-L1 levelsEffector T cellsTumor-infiltrating lymphocytesDurable clinical responsesPD-L1 geneT cell responsesCell lung cancerStratification of patientsPoor immune infiltrationCheckpoint inhibitorsClinical responseAnticancer immunityImmune infiltrationLung cancerDesmoplastic stromaSafety and clinical activity of atezolizumab monotherapy in metastatic non-small-cell lung cancer: final results from a phase I study
Horn L, Gettinger SN, Gordon MS, Herbst RS, Gandhi L, Felip E, Sequist LV, Spigel DR, Antonia SJ, Balmanoukian A, Cassier PA, Liu B, Kowanetz M, O'Hear C, Fassò M, Grossman W, Sandler A, Soria JC. Safety and clinical activity of atezolizumab monotherapy in metastatic non-small-cell lung cancer: final results from a phase I study. European Journal Of Cancer 2018, 101: 201-209. PMID: 30077125, DOI: 10.1016/j.ejca.2018.06.031.Peer-Reviewed Original ResearchConceptsTreatment-related adverse eventsBaseline PD-L1 expressionObjective response ratePD-L1 expressionPD-L1Immune cellsGrade treatment-related adverse eventsSurvival rateCell lung cancer cohortLong-term clinical benefitTumor-infiltrating immune cellsTumor cellsPhase IPrevious systemic therapySingle-agent atezolizumabCell lung cancerExploratory subgroup analysisLung cancer cohortAtezolizumab monotherapyAdverse eventsDurable responsesMedian durationSystemic therapyAnticancer immunityPD-1