Evidence map›Paper›PMID 42627575›Full record

ArticleEndocrine2026

Risk factors for immune checkpoint inhibitor-related thyroid dysfunction: a retrospective cohort study.

Takahiro Amemiya, Hiroshi Suzuki

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Article in Endocrine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

2 authors.

Takahiro AmemiyaFaculty of Pharmaceutical Sciences, Teikyo Heisei University, Tokyo, Japan. t.amemiya@thu.ac.jp.
Hiroshi SuzukiDepartment of Pharmacy, Faculty of Medicine, The University of Tokyo Hospital, The University of Tokyo, Tokyo, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeImmune checkpoint inhibitors (ICIs) are widely used to treat various malignancies; however, the high incidence of immune-related adverse events, including thyroid dysfunction, is a major clinical concern. Thyroid dysfunction occurs frequently, affects patient health and quality of life, and can be life-threatening when severe, necessitating prompt identification and management. Herein, we aimed to identify pretreatment risk factors associated with ICI-induced thyroid dysfunction.

methodsMedical records of patients administered ICIs were retrospectively reviewed. Data on patient age, sex, and body weight; primary tumor type; ICI agent; programmed death-ligand 1 status; disease stage; line(s) of treatment; and laboratory parameters measured before treatment initiation were extracted. These characteristics were compared between patients who developed thyroid dysfunction and those who did not.

resultsAn elevated pretreatment eosinophil count was significantly associated with thyroid dysfunction following ICI therapy. In the multivariable logistic regression analysis, eosinophil count remained significantly associated with thyroid dysfunction after adjustment for lactate dehydrogenase (LDH; adjusted odds ratio per 0.1 × 10³/µL increase, 2.18; 95% confidence interval [CI], 1.56-3.04; P < 0.001). Receiver operating characteristic analysis yielded an area under the curve of 0.812 (95% CI, 0.722-0.902). The optimal cutoff value was 0.2 × 10³/µL, with a sensitivity of 81.0% and a specificity of 68.2%.

conclusionAn elevated pretreatment eosinophil count was associated with subsequent thyroid dysfunction following ICI therapy after adjustment for LDH. Further prospective studies incorporating thyroid autoantibody status are required to determine its clinical utility as a candidate marker.

Indexed as

Immune Checkpoint InhibitorsNeoplasmsThyroid DiseasesAgedEosinophilsFemaleHumansMaleMiddle AgedRetrospective StudiesRisk FactorsImmune Checkpoint InhibitorsEosinophilImmune checkpoint inhibitorImmune-related adverse eventRisk factorThyroid dysfunction

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