Biomarkers and associations with the clinical activity of PD-L1 blockade in a MPDL3280A study.
Powderly J, Koeppen H, Hodi F, Sosman J, Gettinger S, Desai R, Tabernero J, Soria J, Hamid O, Fine G, Xiao Y, Mokatrin A, Wu J, Anderson M, Irving B, Chen D, Kowanetz M. Biomarkers and associations with the clinical activity of PD-L1 blockade in a MPDL3280A study. Journal Of Clinical Oncology 2013, 31: 3001-3001. DOI: 10.1200/jco.2013.31.15_suppl.3001.Peer-Reviewed Original ResearchPD-L1 expressionPD-L1Blood-based biomarkersPD-1T cellsPD-L1 tumor expressionTumor samplesT-cell gene signaturePD-L1 blockadeT cell infiltrationMetastatic solid tumorsPD-L1 upregulationT cell reactivationT cell subsetsImmune cell subsetsTumor immune microenvironmentPretreatment tumor samplesAvailable tumor tissueHuman monoclonal antibodyActivated T cellsT cell activationTumor CD8Expansion cohortAntitumor immunityBiopsy cohort