The oral selective estrogen receptor degrader GDC-0810 (ARN-810) in postmenopausal women with hormone receptor-positive HER2-negative (HR + /HER2 −) advanced/metastatic breast cancer
Bardia A, Mayer I, Winer E, Linden H, Ma C, Parker B, Bellet M, Arteaga C, Cheeti S, Gates M, Chang C, Fredrickson J, Spoerke J, Moore H, Giltnane J, Friedman L, Chow Maneval E, Chan I, Jhaveri K. The oral selective estrogen receptor degrader GDC-0810 (ARN-810) in postmenopausal women with hormone receptor-positive HER2-negative (HR + /HER2 −) advanced/metastatic breast cancer. Breast Cancer Research And Treatment 2022, 197: 319-331. PMID: 36401732, PMCID: PMC9823088, DOI: 10.1007/s10549-022-06797-9.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerSelective estrogen receptor degraderDose escalationESR1 mutationsPostmenopausal womenBreast cancerEstrogen receptorCombination treatmentNon-complete response/non-progressive diseaseAdvanced/Metastatic Breast CancerOral selective estrogen receptor degraderPreliminary anti-tumor activityESR1 mutation statusPhase 2 dosePlasma ctDNA samplesCommon adverse eventsNon-progressive diseaseDose-limiting toxicityHormone-releasing hormoneSelective estrogen receptorAnti-tumor activityStable diseaseAdverse eventsPartial responseProgressive diseasePhase Ib study of pembrolizumab in combination with trastuzumab emtansine for metastatic HER2-positive breast cancer
Waks AG, Keenan TE, Li T, Tayob N, Wulf GM, Richardson ET, Attaya V, Anderson L, Mittendorf EA, Overmoyer B, Winer EP, Krop IE, Agudo J, Van Allen EM, Tolaney SM. Phase Ib study of pembrolizumab in combination with trastuzumab emtansine for metastatic HER2-positive breast cancer. Journal For ImmunoTherapy Of Cancer 2022, 10: e005119. PMID: 36252998, PMCID: PMC9577940, DOI: 10.1136/jitc-2022-005119.Peer-Reviewed Original ResearchConceptsObjective response rateProgression-free survivalMetastatic breast cancerAdverse eventsBreast cancerT-DM1Immune biomarkersTrastuzumab emtansineHER2-positive metastatic breast cancerMetastatic HER2-positive breast cancerGrade 3 adverse eventsMedian progression-free survivalTreatment-related adverse eventsHuman epidermal growth factor receptor 2Cell death ligand 1HER2-positive breast cancerEpidermal growth factor receptor 2Dose-finding cohortPhase 2 dosePhase Ib studyPhase Ib trialAnti-HER2 therapyDose-limiting toxicityGrowth factor receptor 2Immune checkpoint blockade