TERT Promoter Mutations Contribute to Adverse Clinical Outcomes and Poor Prognosis in Radioiodine Refractory Differentiated Thyroid Cancer
crossref(2024)
摘要
Abstract Telomerase reverse transcriptase promoter (TERTp) mutations are associated with non-radioiodine avidity. However, the role of these mutations in the clinical outcomes of patients with radioiodine-refractory differentiated thyroid cancer (RAIR-DTC) remains unknown. Herein, we aimed to analyze gene mutations and clinical manifestations to verify TERTp’s role in driving disease progression to RAIR-DTC and clinical outcomes. Next-generation sequencing data and clinical data were obtained from 243 patients with DTC. Of the 25 patients with TERTp mutations, 80% (20/25) had RAIR-DTC. RAIR-DTC was significantly less prevalent in patients with BRAFV600E (9/143, 6.3%) than those with both BRAFV600E and TERTp mutations (14/17, 82.4%). Patients with RAIR-DTC harboring both BRAFV600E and TERTp mutations had a higher rate of having >3 distant metastatic sites (71.4%, 10/14) than those with BRAFV600E alone (11.1%, 1/9). Only one patient with both BRAFV600E and TERTp mutations had non-RAIR-DTC. Time from initial radioactive iodine therapy to RAIR-DTC diagnosis was significantly shorter in patients with TERTp mutations than in those without. Patients with BRAFV600E and TERTp mutations progressed faster to RAIR-DTC than those with BRAFV600E alone (p<0.01). Our findings suggest that molecular testing for TERTp and other mutations like BRAFV600E may inform early diagnosis, prognosis, and treatment strategies before progression to RAIR-DTC.
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