Effect of a novel IL-2 cytokine immune agonist (NKTR-214) on proliferating CD8+T cells and PD-1 expression on immune cells in the tumor microenvironment in patients with prior checkpoint therapy.
Bernatchez C, Haymaker C, Hurwitz M, Kluger H, Tetzlaff M, Jackson N, Gergel I, Tagliaferri M, Zalevsky J, Hoch U, Fanton C, Iacucci E, Aung S, Imperiale M, Liao E, Bentebibel S, Tannir N, Hwu P, Sznol M, Diab A. Effect of a novel IL-2 cytokine immune agonist (NKTR-214) on proliferating CD8+T cells and PD-1 expression on immune cells in the tumor microenvironment in patients with prior checkpoint therapy. Journal Of Clinical Oncology 2017, 35: 2545-2545. DOI: 10.1200/jco.2017.35.15_suppl.2545.Peer-Reviewed Original ResearchNKTR-214PD-1 expressionT-cell clonalityTumor microenvironmentNK cellsCell clonalityIL-2 receptor pathwayDays post doseDrug-related AEsImmune-related AEAnti-PD1 therapyCapillary leak syndromePhase 1/2 trialMetastatic solid tumorsFavorable safety profileImmune checkpoint genesSignificant tumor regressionTumor tissue samplesGene expression analysisCytotoxic markersEffector CD8Leak syndromeCheckpoint therapyPrior immunotherapyRegulatory cellsEffect of NKTR-214 on the number and activity of CD8+ tumor infiltrating lymphocytes in patients with advanced renal cell carcinoma.
Hurwitz M, Diab A, Bernatchez C, Haymaker C, Kluger H, Tetzlaff M, Gergel I, Tagliaferri M, Imperiale M, Aung S, Hoch U, Zalevsky J, Hwu P, Sznol M, Tannir N. Effect of NKTR-214 on the number and activity of CD8+ tumor infiltrating lymphocytes in patients with advanced renal cell carcinoma. Journal Of Clinical Oncology 2017, 35: 454-454. DOI: 10.1200/jco.2017.35.6_suppl.454.Peer-Reviewed Original ResearchNKTR-214T cellsTumor microenvironmentIL-2 receptor pathwayAnti-PD-1 blockadeAdvanced renal cell carcinomaImmune-related AEPatient experienced DLTPrior TKI treatmentImmune checkpoint inhibitorsT-cell receptor diversityAdvanced solid tumorsPD-1 expressionT-cell infiltratesActivity of CD8Effector T cellsFavorable safety profileRenal cell carcinomaAnti-tumor activityBaseline CD8Experienced DLTsLow TILsRECIST 1.1Checkpoint inhibitorsEffector CD8