Human epidermal growth factor receptor 2 (HER2) suppression with the addition of lapatinib to trastuzumab in HER2-positive metastatic breast cancer (HALT: LPT112515).
Lin N, Danso M, David A, Muscato J, Rayson D, Houck W, Ellis C, DeSilvio M, Garofalo A, Levin J, Winer E. Human epidermal growth factor receptor 2 (HER2) suppression with the addition of lapatinib to trastuzumab in HER2-positive metastatic breast cancer (HALT: LPT112515). Journal Of Clinical Oncology 2013, 31: tps664-tps664. DOI: 10.1200/jco.2013.31.15_suppl.tps664.Peer-Reviewed Original ResearchProgression-free survivalMetastatic breast cancerBreast cancerOverall survivalMetastatic BCPFS eventsStage II/III breast cancerHigher pathologic complete response rateHER2-positive metastatic breast cancerMedian progression-free survivalPathologic complete response rateLonger progression-free survivalAssociated hazard ratiosClinical benefit rateDual HER2 blockadeStable brain metastasesComplete response rateSecond-line treatmentHormone receptor statusPhase III studyAddition of lapatinibLine of treatmentChemotherapy discontinuationEligible patientsHER2 blockade