2023
Phase II study of trifluridine/tipiracil (FTD/TPI) in HER2-negative metastatic breast cancers with or without prior exposure to fluoropyrimidines.
Lim J, Ow S, Wong A, Lee M, Chan G, Low J, Sundar R, Choo J, Tai B, Lee S. Phase II study of trifluridine/tipiracil (FTD/TPI) in HER2-negative metastatic breast cancers with or without prior exposure to fluoropyrimidines. Journal Of Clinical Oncology 2023, 41: 1099-1099. DOI: 10.1200/jco.2023.41.16_suppl.1099.Peer-Reviewed Original ResearchObjective response rateMetastatic breast cancerProgression-free survivalPhase II studyLead-in phaseCohort ADose modificationBreast cancerDetermination of progression-free survivalSingle arm phase II studyHER2-negative metastatic breast cancerConsistent with known toxicitiesMedian progression-free survivalTreatment-related adverse eventsResponse rateDose-confirmation phaseEvents of neutropeniaTreated with FTD/TPIClinical benefit rateDose-limiting toxicityOral drug combinationsTreatment of patientsAnti-tumor activityThymidine phosphorylase inhibitorMetastatic setting
2022
Phase Ib/II Dose Expansion Study of Lenvatinib Combined with Letrozole in Postmenopausal Women with Hormone Receptor-Positive Breast Cancer.
Lim J, Wong A, Ow S, Ngoi N, Chan G, Ang Y, Chong W, Lim S, Lim Y, Lee M, Choo J, Tan H, Yong W, Soo R, Tan D, Chee C, Sundar R, Yadav K, Jain S, Wang L, Tai B, Goh B, Lee S. Phase Ib/II Dose Expansion Study of Lenvatinib Combined with Letrozole in Postmenopausal Women with Hormone Receptor-Positive Breast Cancer. Clinical Cancer Research 2022, 28: 2248-2256. PMID: 35363275, DOI: 10.1158/1078-0432.ccr-21-4179.Peer-Reviewed Original ResearchConceptsBreast cancerDose expansionEstrogen receptorHormone receptor-positive breast cancerPhase II dose expansionRecommended phase II doseReceptor-positive breast cancerCDK4/6 inhibitor therapyDose-expansion studyPaired tumor biopsiesPhase Ib/II trialPhase II doseVascular normalization indexTreated with lenvatinibDose of lenvatinibER+/HER2- breast cancerMetastatic breast cancerPreliminary antitumor activityEstrogen-responsive genesLenvatinib combinationII doseMetastatic settingInhibitor therapyMultikinase inhibitorTumor biopsies