2023
Prevalence of targetable genomic alterations in young women with advanced breast cancer: a cross-sectional study
Blansky D, Ansari N, Gao L, Sokol E, Sivakumar S, Huang R, Pelletier M, Levy M, Pavlick D, Danziger N, Ross J, Lustberg M, Rozenblit M. Prevalence of targetable genomic alterations in young women with advanced breast cancer: a cross-sectional study. Breast Cancer Research And Treatment 2023, 204: 181-185. PMID: 37999916, DOI: 10.1007/s10549-023-07179-5.Peer-Reviewed Original ResearchComprehensive genomic profilingBreast cancerYoung womenGenomic alterationsAdvanced breast cancerPD-L1 expressionTargetable genomic alterationsWorse clinical outcomesTime of diagnosisTumor mutational burdenCross-sectional studyBreast cancer casesFoundation MedicineClinical outcomesPIK3CA mutationsCancer casesEstrogen receptorMutational burdenOlder womenConclusionOur findingsTotal casesBreast tumorsTumor tissueBRCA1 mutationsMicrosatellite instability
2022
PD-L1 protein expression in relation to recurrence score values in early-stage ER + breast cancer
Rozenblit M, Blenman K, Harigopal M, Reisenbichler E, Singh K, Qing T, Ibrahim E, Ramkissoon S, Asmelash S, Lin HK, Roberts M, Ross J, Huang RSP, Pusztai L. PD-L1 protein expression in relation to recurrence score values in early-stage ER + breast cancer. Breast Cancer Research And Treatment 2022, 196: 221-227. PMID: 36028784, DOI: 10.1007/s10549-022-06712-2.Peer-Reviewed Original ResearchConceptsPD-L1 positivityPD-L1 protein expressionPD-L1 expressionGrade 3 cancersPD-L1TIL scoreTumor gradeMultivariate analysisHigher PD-L1 positivityTumor-infiltrating lymphocyte countsConclusionPD-L1 expressionProtein expressionPD-L1 immunohistochemistryChi-square testResultsPD-L1T1 cancersLymphocyte countT3 tumorsIndependent predictorsTumor sizeLarge tumorsPositivity rateCell positivityBreast cancerGrade 2Targetable genomic mutations in young women with advanced breast cancer.
Ansari N, Gao L, Sokol E, Sivakumar S, Huang R, Pelletier M, Levy M, Pavlick D, Danziger N, Ross J, Lustberg M, Rozenblit M. Targetable genomic mutations in young women with advanced breast cancer. Journal Of Clinical Oncology 2022, 40: 1027-1027. DOI: 10.1200/jco.2022.40.16_suppl.1027.Peer-Reviewed Original ResearchComprehensive genomic profilingTumor mutational burdenAdvanced breast cancerPD-L1 expressionBreast cancerYoung womenImmune therapyPIK3CA mutationsGenomic alterationsTumor cell PD-L1 expressionClasses of GAsRB1 mutationsDisease-free survivalActionable genomic alterationsDifferent mutational profilesPARP inhibitor useImmunotherapy optionsInhibitor useFoundation MedicineLymph nodesWorse prognosisBRCA2 mutationsEstrogen receptorMutational burdenOlder women
2020
Comparison of PD-L1 protein expression between primary tumors and metastatic lesions in triple negative breast cancers
Rozenblit M, Huang R, Danziger N, Hegde P, Alexander B, Ramkissoon S, Blenman K, Ross JS, Rimm DL, Pusztai L. Comparison of PD-L1 protein expression between primary tumors and metastatic lesions in triple negative breast cancers. Journal For ImmunoTherapy Of Cancer 2020, 8: e001558. PMID: 33239417, PMCID: PMC7689582, DOI: 10.1136/jitc-2020-001558.Peer-Reviewed Original ResearchConceptsPD-L1 positivity ratePD-L1 positivityPD-L1 expressionDifferent metastatic sitesPrimary tumorMetastatic sitesPositivity rateImmune cellsMetastatic lesionsTumor cellsPD-L1 protein expressionTriple-negative breast cancerMore primary tumorsTriple negative breast cancer tumorsPrimary breast lesionsPrimary outcome measureSoft tissueNegative breast cancerLow positivity rateBreast cancer tumorsBone metastasesFoundation MedicineLymph nodesPD-L1Spearman correlation coefficient