Tucatinib vs Placebo, Both in Combination With Trastuzumab and Capecitabine, for Previously Treated ERBB2 (HER2)-Positive Metastatic Breast Cancer in Patients With Brain Metastases
Lin N, Murthy R, Abramson V, Anders C, Bachelot T, Bedard P, Borges V, Cameron D, Carey L, Chien A, Curigliano G, DiGiovanna M, Gelmon K, Hortobagyi G, Hurvitz S, Krop I, Loi S, Loibl S, Mueller V, Oliveira M, Paplomata E, Pegram M, Slamon D, Zelnak A, Ramos J, Feng W, Winer E. Tucatinib vs Placebo, Both in Combination With Trastuzumab and Capecitabine, for Previously Treated ERBB2 (HER2)-Positive Metastatic Breast Cancer in Patients With Brain Metastases. JAMA Oncology 2023, 9: 197-205. PMID: 36454580, PMCID: PMC9716438, DOI: 10.1001/jamaoncol.2022.5610.Peer-Reviewed Original ResearchConceptsErbB2-positive metastatic breast cancerMetastatic breast cancerPlacebo-combination groupPositive metastatic breast cancerNew brain lesionsBrain metastasesOverall survivalSubgroup analysisBrain lesionsBreast cancerIntracranial progression-free survivalPlacebo-controlled clinical trialIntracranial objective response rateStable brain metastasesMedian overall survivalObjective response rateProgression-free survivalExploratory subgroup analysisGreater clinical benefitCNS-PFSHER2CLIMB trialIntracranial outcomesFirst progressionMedian ageClinical benefit