Evidence map›Paper›PMID 41920431›Full record

ArticleEndocrine2026

Heterogeneity in endocrine monitoring and timing of endocrinology involvement during immune checkpoint inhibitor therapy: A Real-World Single-Center study.

Selin Tekin, Seda Hanife Oguz, Süleyman Nahit Sendur, Ugur Ünlütürk, Tomris Erbas, Selcuk Dagdelen

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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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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Selin TekinFaculty of Medicine, Department of Endocrinology & Metabolism, Hacettepe University, Ankara, Türkiye. drselintekin@gmail.com.ORCID 0000-0002-9644-5981
Seda Hanife OguzFaculty of Medicine, Department of Endocrinology & Metabolism, Hacettepe University, Ankara, Türkiye.
Süleyman Nahit SendurFaculty of Medicine, Department of Endocrinology & Metabolism, Hacettepe University, Ankara, Türkiye.
Ugur ÜnlütürkFaculty of Medicine, Department of Endocrinology & Metabolism, Hacettepe University, Ankara, Türkiye.
Tomris ErbasFaculty of Medicine, Department of Endocrinology & Metabolism, Hacettepe University, Ankara, Türkiye.
Selcuk DagdelenFaculty of Medicine, Department of Endocrinology & Metabolism, Hacettepe University, Ankara, Türkiye.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeEndocrine immune-related adverse events (irAEs) are increasingly encountered with immune checkpoint inhibitors (ICIs), yet patterns of screening, referral, and emergency outcomes remain underexplored. This study evaluated the adequacy of endocrine monitoring, iming of endocrinology involvement, and determinants of endocrine emergencies in ICI-treated patients.

methodsWe retrospectively reviewed 103 patients (67 men, 36 women; mean age 60.8 ± 12.1 years) referred to the Endocrinology Department between 2016 and 2025. Clinical data, cancer types, immunotherapy regimens, hormonal assessments, and causes and timing of referral were analyzed.

resultsMost patients (93.3%) were referred due to newly developed endocrine irAEs, with endocrinology involvement occurring at a median of 7.4 months (≈ 10th therapy cycle) after ICI initiation. The predominant ICI regimen involved PD-1 inhibitors (66%). Thyroid dysfunction (n = 64), secondary adrenal insufficiency (n = 28), and hyperglycemia (n = 4) were the leading endocrinopathies; hypophysitis was detected in 7 cases. Before ICI treatment, endocrine evaluation was absent in 22.3% and incomplete in 38.2%, while 9.7% received no endocrine follow-up during ICI therapy. Emergency admissions occurred in 17.4%, mainly due to adrenal crisis (n = 12), followed by thyrotoxicosis (n = 3). Although baseline screening status and timing of endocrinology involvement were not associated with emergency risk, phenotype strongly influenced outcomes: central adrenal insufficiency increased risk (RR = 3.29; 95% CI 1.33–8.08; p = 0.0197).

conclusionsEndocrine irAEs are frequent and may be recognized only after clinical deterioration, exposing patients to preventable endocrine emergencies, particularly adrenal crisis. These findings highlight heterogeneity and gaps in endocrine surveillance during ICI therapy and support early, structured oncologist–endocrinologist collaboration with standardized baseline and follow-up assessments to improve patient safety and continuity of immunotherapy.

Indexed as

Endocrine System DiseasesImmune Checkpoint InhibitorsNeoplasmsAgedFemaleHumansImmunotherapyMaleMiddle AgedRetrospective StudiesImmune Checkpoint InhibitorsEndocrine immune-related adverse events (irAEs)EndocrinologyImmune checkpoint inhibitors (ICIs)

Identifiers

PMID41920431
PMCPMC13043524

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