Immune-related thyroid dysfunction in patients with non-small cell lung cancer

Cuihong Cai, Shuangshuang Zhou,Jingjing Qu,Jianying Zhou

JOURNAL OF THORACIC DISEASE(2024)

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摘要
Background: Immune-related thyroid dysfunction (irTD) is a common immune-related adverse event (irAE). The potential biomarkers of irTDs and their impact on the clinical outcomes of patients with nonsmall cell lung cancer (NSCLC) treated with immune checkpoint inhibitors (ICIs) remain unclear. We aimed to identify potential biomarkers of irTDs and reveal the association between irTDs and the clinical outcomes in patients with NSCLC treated with ICIs. Methods: We conducted a retrospective study on 126 patients with NSCLC, who were treated with pembrolizumab, sintilimab, atezolizumab, or camrelizumab, as first-line therapy, at the First Affiliated Hospital, College of Medicine, Zhejiang University, between July 2019 and February 2023. Anti-thyroid antibodies (ATAs), thyroid peroxidase antibody (TPOAb), thyroglobulin antibody (TGAb), serum interleukin-6 (IL-6), thyroid ultrasonography, overall survival (OS), and progression-free survival (PFS) were the main indicators. Results: Most (92.9%) irTD cases occurred no later than one year after ICIs initiation. Patients with irTDs had higher positive rates for ATAs and TPOAb [33.3% vs. 1.3%, and 30.3% vs. 1.3%, both P<0.01, odds ratio (OR) =39.81, and OR =35.46, respectively]. Irregular echo pattern and diffuse changes were more common in patients with irTDs (70.7% vs. 47.2%, and 19.5% vs. 1.4%, P<0.05 and P<0.01, OR =2.70, and OR =17.21, respectively). OS and PFS were similar in patients with and without irTDs (P>0.05). Conclusions: The ATAs, TPOAb, and abnormal thyroid ultrasonographic findings (irregular echo patterns and diffuse changes) are potential biomarkers of irTDs. Patients with NSCLC treated with ICIs (pembrolizumab, sintilimab, atezolizumab, and camrelizumab) who developed irTDs had no advantage in terms of clinical outcomes compared to euthyroid patients.
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关键词
Programmed death 1 antibodies,anti-thyroid antibodies (ATAs),thyroid peroxidase antibody (TPOAb),immune checkpoint inhibitors (ICIs),abnormal thyroid ultrasonographic results
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