Phase 2 study of pembrolizumab as first-line therapy for PD-L1–positive metastatic triple-negative breast cancer (mTNBC): Preliminary data from KEYNOTE-086 cohort B.
Adams S, Loi S, Toppmeyer D, Cescon D, De Laurentiis M, Nanda R, Winer E, Mukai H, Tamura K, Armstrong A, Liu M, Iwata H, Ryvo L, Wimberger P, Card D, Ding Y, Karantza V, Schmid P. Phase 2 study of pembrolizumab as first-line therapy for PD-L1–positive metastatic triple-negative breast cancer (mTNBC): Preliminary data from KEYNOTE-086 cohort B. Journal Of Clinical Oncology 2017, 35: 1088-1088. DOI: 10.1200/jco.2017.35.15_suppl.1088.Peer-Reviewed Original ResearchMetastatic triple-negative breast cancerPositive metastatic triple-negative breast cancerFirst-line therapyCombined positive scorePD-L1 combined positive scoreTreatment-related AEsPD-L1Cohort BStandard first-line treatmentEnd pointTriple-negative breast cancerECOG PS 0Antitumor activityManageable safety profilePrimary end pointSecondary end pointsFirst-line treatmentPhase 2 studySystemic anticancer therapyNew treatment optionsBest overall responseMedian DoRMedian PFSPFS ratesIntolerable toxicity