Outcomes with trastuzumab deruxtecan (T-DXd) by HER2 status and line of treatment in a large real-world database of patients with metastatic breast cancer.
Tarantino P, Lee D, Foldi J, Soulos P, Gross C, Grinda T, Winer E, Lin N, Krop I, Tolaney S, Lustberg M, Sammons S. Outcomes with trastuzumab deruxtecan (T-DXd) by HER2 status and line of treatment in a large real-world database of patients with metastatic breast cancer. Journal Of Clinical Oncology 2024, 42: 1077-1077. DOI: 10.1200/jco.2024.42.16_suppl.1077.Peer-Reviewed Original ResearchReal-world progression-free survivalLines of therapyMetastatic breast cancerMedian real-world progression-free survivalT-DXdHER2+Overall survivalHER2-lowHER2- patientsBreast cancerHER2- metastatic breast cancerTreat metastatic breast cancerProgression-free survivalKaplan-Meier methodLines of treatmentDatabase of patientsRetrospective observational studyClinical trial settingHER2 casesIHC 0Trastuzumab deruxtecanHR statusHER2 statusTriple-negativeMedian ageImpact of HER2 low status on genomic signatures in triple negative breast cancer (TNBC).
Taylor M, Reddy S, Ashok Kumar P, Hariri D, Sokol E, Sivakumar S, Quintanilha J, Pavlick D, Levy M, Ross J, Lustberg M. Impact of HER2 low status on genomic signatures in triple negative breast cancer (TNBC). Journal Of Clinical Oncology 2024, 42: 1092-1092. DOI: 10.1200/jco.2024.42.16_suppl.1092.Peer-Reviewed Original ResearchTriple negative breast cancerComprehensive genomic profilingGenomic alterationsHER2 statusHER2 2Triple negative breast cancer groupGA frequencyReview of pathology specimensHER2 IHC expressionHER2-low statusHER2-low tumorsLack of clinical dataPD-L1 expressionTumor mutational burdenHER2 IHC scoreHER2 2+Negative breast cancerEvaluate genomic alterationsMann-Whitney U testPotential treatment optionStatistically significant differenceHER2 subgroupsPD-L1Immunotherapy biomarkersChi-square test