期刊
CANCER TREATMENT REVIEWS
卷 42, 期 -, 页码 47-55出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ctrv.2015.11.003
关键词
Refractory; Differentiated; Multikinase; Medullary; Survival; Advanced
类别
资金
- Eisai Inc.
- NATIONAL CANCER INSTITUTE [P30CA016672] Funding Source: NIH RePORTER
Despite recent breakthroughs in treatment of advanced thyroid cancers, prognoses remain poor. Treatment of advanced, progressive disease remains challenging, with limited treatment options. Small-molecule tyrosine kinase inhibitors, including vandetanib, cabozantinib, sorafenib, and lenvatinib, which are now FDA-approved for thyroid cancer, have shown clinical benefit in advanced thyroid cancer. Lenvatinib is approved for treatment of locally recurrent or metastatic, progressive, radioactive iodine (RAI)-refractory differentiated thyroid cancer (DTC). It has been studied in phase II and III trials for treatment of advanced RAI-refractory DTC, and in a phase II trial for medullary thyroid cancer (MTC). Lenvatinib targets vascular endothelial growth factor receptors 1-3 (VEGFR1-3), fibroblast growth factor receptors 1-4 (FGFR-1-4), RET, c-kit, and platelet-derived growth factor receptor alpha (PDGFR alpha). Its antitumor activity may be due to antiangiogenic properties and direct antitumor effects. Lenvatinib has demonstrated antitumor activity in a variety of solid tumors, including MTC, in phase I and II clinical trials. In a phase II study in advanced RAI-refractory DTC, lenvatinib-treated patients achieved a 50% response rate (RR), with median progression-free survival (PFS) of 12.6 months. In a phase III trial in RAI-refractory DTC, median PFS in lenvatinib-treated patients was 18.3 months, with a 65% overall RR, versus 3.6 months in placebo-treated patients, with a 2% RR. Adverse events occurring in >50% of patients included hypertension, diarrhea, fatigue/asthenia, and decreased appetite. Lenvatinib is a promising new agent for treatment of patients with advanced thyroid cancer. (C) 2015 The Authors. Published by Elsevier Ltd.
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