Pembrolizumab monotherapy for previously untreated, PD-L1-positive, metastatic triple-negative breast cancer: cohort B of the phase II KEYNOTE-086 study
Adams S, Loi S, Toppmeyer D, Cescon DW, De Laurentiis M, Nanda R, Winer EP, Mukai H, Tamura K, Armstrong A, Liu MC, Iwata H, Ryvo L, Wimberger P, Rugo HS, Tan AR, Jia L, Ding Y, Karantza V, Schmid P. Pembrolizumab monotherapy for previously untreated, PD-L1-positive, metastatic triple-negative breast cancer: cohort B of the phase II KEYNOTE-086 study. Annals Of Oncology 2019, 30: 405-411. PMID: 30475947, DOI: 10.1093/annonc/mdy518.Peer-Reviewed Original ResearchConceptsMetastatic triple-negative breast cancerPositive metastatic triple-negative breast cancerTreatment-related adverse eventsTriple-negative breast cancerDisease control rateObjective response rateFirst-line therapyProgression-free survivalAdverse eventsPD-L1Stable diseasePembrolizumab monotherapyOverall survivalCohort BControl rateBreast cancerResponse ratePD-L1 combined positive scoreCentral nervous system metastasesGrade 4 adverse eventsMedian progression-free survivalStandard first-line treatmentEnd pointGrade 3 severityManageable safety profile