2021
Tumor-Specific Major Histocompatibility-II Expression Predicts Benefit to Anti–PD-1/L1 Therapy in Patients With HER2-Negative Primary Breast CancerMHC-II Is an Immunotherapy Biomarker in Early Breast Cancer
Gonzalez-Ericsson PI, Wulfkhule JD, Gallagher RI, Sun X, Axelrod ML, Sheng Q, Luo N, Gomez H, Sanchez V, Sanders M, Pusztai L, Petricoin E, Blenman K, Balko JM, Team I. Tumor-Specific Major Histocompatibility-II Expression Predicts Benefit to Anti–PD-1/L1 Therapy in Patients With HER2-Negative Primary Breast CancerMHC-II Is an Immunotherapy Biomarker in Early Breast Cancer. Clinical Cancer Research 2021, 27: 5299-5306. PMID: 34315723, PMCID: PMC8792110, DOI: 10.1158/1078-0432.ccr-21-0607.Peer-Reviewed Original ResearchConceptsStandard neoadjuvant chemotherapyTriple-negative breast cancerNeoadjuvant chemotherapyBreast cancerMHC-IITumor cellsAnti-PD-1/L1 therapyEstrogen receptor-positive breast cancerPhase II/III clinical trialsNeoadjuvant breast cancer settingPathologic complete response rateHER2-negative breast cancerReceptor-positive breast cancerAddition of immunotherapyHLA-DR positivityBreast cancer settingComplete response rateHER2-negative patientsCohort of patientsEarly breast cancerMHC-II expressionPan-cancer biomarkerImmunotherapy benefitL1 therapyMost patients
2019
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