Quantitative MHC II protein expression levels in tumor epithelium to predict response to the PD1 inhibitor pembrolizumab in the I-SPY 2 Trial.
Wulfkuhle J, Yau C, Wolf D, Gallagher R, Brown Swigart L, Hirst G, Campbell M, Nanda R, Liu M, Pusztai L, Esserman L, Berry D, van 't Veer L, Petricoin E. Quantitative MHC II protein expression levels in tumor epithelium to predict response to the PD1 inhibitor pembrolizumab in the I-SPY 2 Trial. Journal Of Clinical Oncology 2019, 37: 2631-2631. DOI: 10.1200/jco.2019.37.15_suppl.2631.Peer-Reviewed Original ResearchI-SPY 2 TRIALImmune checkpoint inhibitorsCheckpoint inhibitorsTumor epitheliumPD1 inhibitor pembrolizumabTumor antigen presentationHER2-negative subtypeMHC-II expressionTumor cell expressionPredictors of responseWilcoxon rank sum testPositive associationRank sum testProtein expression levelsImmune activationControl armAntigen presentationResponse predictorsHR subgroupsB cellsCell expressionPatientsSum testProtein expressionTumors