Sorafenib in metastatic thyroid cancer

Jaume Capdevila, Lara Iglesias, Irene Halperin, Ángel Segura, Javier Martínez-Trufero, Maria Ángeles Vaz, Jesús Corral, Gabriel Obiols, Enrique Grande, Juan Jose Grau, Josep Tabernero

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Abstract

Although thyroid cancer usually has an excellent prognosis, few therapeutic options are available in the refractory setting. Based on the recent results of phase II studies with tyrosine kinase inhibitors, we designed a retrospective analysis of patients with metastatic thyroid cancer treated with sorafenib in seven Spanish referral centers. Consecutive patients with progressive metastatic thyroid cancer (papillary, follicular, medullary, and anaplastic) not suitable for curative surgery, radioactive-iodine therapy, or radiotherapy were treated with sorafenib 400 mg twice a day. The primary end point was objective response rate (RR). Secondary end points included toxicity, median progression-free survival (mPFS), median overall survival (mOS), and correlation between tumor marker levels (thyroglobulin, calcitonin, and carcinoembryonic antigen) and efficacy. Between June 2006 and January 2010, 34 patients were included in the study. Sixteen patients presented differentiated thyroid carcinomas (DTC) of which seven (21%) were papillary, nine (26%) follicular, 15 (44%) medullary (MTC), and three (9%) were anaplastic (ATC). Eleven (32%) patients achieved partial response and 14 (41%) had stable disease beyond 6 months. Regarding histological subtype, RRs were 47% (seven of 15) for MTC, 19% (three of 16) for DTC, and 33% (one of three) for ATC. With a median follow-up of 11.5 months, mPFS were 13.5, 10.5, and 4.4 months for DTC, MTC, and ATC respectively. Tumor markers were evaluated in 22 patients, and a statistically significant association was observed between RR and decrease in tumor marker levels >50% (P=0.033). In this retrospective trial, sorafenib showed antitumor efficacy in all histological subtypes of thyroid cancer, warranting further development in this setting. © 2012 Society for Endocrinology Printed in Great Britain.
Original languageEnglish
Pages (from-to)209-216
JournalEndocrine-Related Cancer
Volume19
Issue number2
DOIs
Publication statusPublished - 1 Apr 2012

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    Capdevila, J., Iglesias, L., Halperin, I., Segura, Á., Martínez-Trufero, J., Vaz, M. Á., Corral, J., Obiols, G., Grande, E., Grau, J. J., & Tabernero, J. (2012). Sorafenib in metastatic thyroid cancer. Endocrine-Related Cancer, 19(2), 209-216. https://doi.org/10.1530/ERC-11-0351