Pembrolizumab versus investigator-choice chemotherapy for metastatic triple-negative breast cancer (KEYNOTE-119): a randomised, open-label, phase 3 trial
Winer EP, Lipatov O, Im SA, Goncalves A, Muñoz-Couselo E, Lee KS, Schmid P, Tamura K, Testa L, Witzel I, Ohtani S, Turner N, Zambelli S, Harbeck N, Andre F, Dent R, Zhou X, Karantza V, Mejia J, Cortes J, investigators K. Pembrolizumab versus investigator-choice chemotherapy for metastatic triple-negative breast cancer (KEYNOTE-119): a randomised, open-label, phase 3 trial. The Lancet Oncology 2021, 22: 499-511. PMID: 33676601, DOI: 10.1016/s1470-2045(20)30754-3.Peer-Reviewed Original ResearchConceptsMetastatic triple-negative breast cancerTriple-negative breast cancerCombined positive scoreMedian overall survivalPD-L1 combined positive scoreTreatment-related adverse eventsPhase 3 trialChemotherapy groupOverall survivalPembrolizumab groupBreast cancerAdverse eventsPrimary endpointMetastatic diseaseEastern Cooperative Oncology Group performance statusPD-L1 tumor statusCommon grade 3Durable antitumour activityInvestigator-choice chemotherapyPrevious systemic treatmentSerious adverse eventsThird-line treatmentSubpopulation of patientsTreatment of patientsSingle-drug chemotherapy