Recombinant human thyrotropin versus thyroid hormone withdrawal preparation for radioiodine ablation in differentiated thyroid cancer: Experience in a South Taiwanese medical center

Autor: Jia‐Ruei Tsai, Shu‐Ting Wu, Shun‐Yu Chi, Yi‐Ting Yang, Yi‐Chia Chan, Lay San Lim, Yvonne Ee Wern Chiew, Wen‐Chieh Chen, Yung‐Nien Chen, Chen‐Kai Chou
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Kaohsiung Journal of Medical Sciences, Vol 39, Iss 2, Pp 175-181 (2023)
Druh dokumentu: article
ISSN: 2410-8650
1607-551X
DOI: 10.1002/kjm2.12621
Popis: Abstract This retrospective study was designed to compare the treatment response of patients with differentiated thyroid cancer (DTC) prepared for radioiodine ablation (RIA) with thyroid hormone withdrawal (THW) or recombinant human thyrotropin (rhTSH) stimulation. Patients with DTC were followed‐up retrospectively between 2013 and 2018 in Kaohsiung Chang Gung Memorial Hospital, Taiwan. We compared the excellent response ratios between THW (49.9%) and rhTSH (50.1%) stimulation. Patients were then divided into subgroups, on the basis of age, sex, extrathyroidal extension, lymph node metastasis, and tumor‐node‐metastasis stage, for analysis. In all, 647 patients were followed‐up after RIA. The ratios of THW or rhTSH use in the different subgroups were not statistically significant. In all the patients, the excellent response rate with THW and rhTSH was 80% and 76.5%, respectively, which was not statistically significant. The subgroup analysis, including age, sex, extrathyroidal extension, lymph node metastasis, and tumor‐node‐metastasis stage (low and high risk), showed similar results. Furthermore, the logistic regression analysis revealed no statistically significant differences among the subgroups. The multivariate analysis showed extrathyroidal extension, lymph node metastasis, and high I131 dose were the prognostic factors affecting the excellent response rate. In conclusion, the THW and rhTSH preparations for RIA were similar in terms of the excellent response rates and subgroup clinical outcomes.
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