• Mutahir A Tunio Comprehensive Cancer Center, King Fahad Medical City, Riyadh
  • Mushabbab AlAsiri
  • Yasser Bayoumi


Purpose: A meta-analysis was conducted to evaluate the impact of oral multitargeted kinase inhibitors (MTKIs) in radioactive-iodine refractory locally advanced, recurrent/metastatic differentiated thyroid cancer (DTC) on disease control rate (DCR), progression-free survival (PFS) and overall survival (OS) rates.

Materials and Methods: The PubMed/MEDLINE, CANCERLIT, EMBASE, Cochrane Library database and other search engines were searched to identify randomised controlled trials (RCTs) comparing MTKIs with placebo in locally advanced, recurrent/metastatic DTC. Pooled data were expressed as odds ratio (OR), with 95% con dence intervals (CIs, Mantel–Haenszel xed-effect model).

Results: Three RCTs with a total patient population of 954 patients were identi ed. The use of MTKIs was associated with improved PFS (OR: 0.262, 95% CI: 0.19–0.35; heterogeneity (I2) = 22.4%; P < 0.0001), improved DCR (complete and partial responses + stable disease, P < 0.0001) and improved OS 0.66, 95% CI: 0.46–0.96 (I2 = 43%, P = 0.034). Lenvatinib (compliance = 87%) was associated with more grade ≥3 hypertension. However, its other adverse effects were much lower than sorafenib (compliance = 56%) and vandetanib.

Conclusion: In radioactive iodine-refractory recurrent, metastatic DTC patients, lenvatinib and sorafenib were associated with improved PFS, DRC and OS rates, while the compliance was better with lenvatinib.

Key words: Meta-analysis, multitargeted kinase inhibitors, progressive differentiated thyroid cancer, radioactive iodine- refractory 


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How to Cite
Tunio MA, AlAsiri M, Bayoumi Y. EFFICACY AND SAFETY OF MULTI-TARGETED KINASE INHIBITORS IN PROGRESSIVE, RADIOIODINE-REFRACTORY DIFFERENTIATED THYROID CANCERS: A META-ANALYSIS. J Cancer Allied Spec [Internet]. 2016May5 [cited 2020Aug.15];2(1). Available from: https://journals.sfu.ca/jcas/index.php/jcas/article/view/50