4.5 Article

Prognostic value of hypothyroidism in patients undergoing intensity-modulated radiation therapy for nasopharyngeal carcinoma

出版社

WILEY
DOI: 10.1002/hed.27006

关键词

hypothyroidism; intensity-modulated radiotherapy (IMRT); nasopharyngeal carcinoma; prognosis; thyroxine replacement therapy

资金

  1. Guangxi Science and Technology Base and Talent Project [GuiKe-AD20297069]
  2. Guangxi Medical and Health Appropriate Technology Development and Application Project [S2020070]
  3. Ministry of Education [GKE2d9-KF01]
  4. Open Research Project of Key Laboratory of High-Incidence-Tumor Prevention Treatment

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This study aimed to investigate the effect of hypothyroidism and thyroxine replacement therapy on the prognosis of nasopharyngeal carcinoma (NPC) patients. The results showed that patients with hypothyroidism had better survival rates. Hypothyroidism was identified as a positive independent prognostic factor. Thyroxine replacement therapy did not negatively affect the survival rates of these patients.
Background The purpose of this study was to investigate the effect of hypothyroidism and thyroxine replacement therapy on the prognosis of nasopharyngeal carcinoma (NPC) patients. Methods The clinical data of 284 NPC patients, who received intensity-modulated radiation therapy (IMRT) between January 2011 and December 2016, were retrospectively analyzed. Results Hypothyroidism occurred in 38% of patients. Patients with hypothyroidism had significantly better disease-free survival (DFS) (p = 0.002) and relapse-free survival (RFS) (p = 0.008). Multivariate analysis showed that hypothyroidism was a positive independent prognostic factor (DFS and RFS). Among the patients with hypothyroidism, thyroxine replacement therapy did not yield inferior survival (DFS, RFS, all p > 0.05). Conclusions The NPC patients with complete response are at risk of hypothyroidism, which is attributable to escalating dose. These patients experienced clinical hypothyroidism could be adequately treated with thyroid hormone replacement. Further investigation of the underlying biological mechanism and potential therapeutic implications are required.

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