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Durvalumab-induced Thyroiditis in a Patient with Non-small Cell Lung Carcinoma: a Case Report and Review of Pathogenic Mechanisms

Overview
Publisher Biomed Central
Specialty Endocrinology
Date 2022 Nov 24
PMID 36419114
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Abstract

Background: Immune checkpoint inhibitors (ICI) targeting cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), programmed cell death protein 1 and its ligand (PD-1/PD-L1) have become the current standard-of-care for advanced cancers. This novel therapeutic approach comes with its costs in the form of immune-related adverse events (irAE), including endocrinopathy.

Case Presentation: A 63-year-old woman was diagnosed with a non-small cell lung carcinoma of the right superior lobe, cT3N2M0. She developed thyrotoxicosis followed by hypothyroidism induced by consolidation immunotherapy with durvalumab (anti-PD-L1). Analysis of the human leukocyte antigen (HLA) region showed HLA-DR4 (susceptible) and DR13 (protective). The possible mechanisms are subsequently discussed in detail.

Conclusions: The case of a patient with thyroiditis associated with the PD-L1 inhibitor durvalumab is described, highlighting the need for proactive monitoring of thyroid hormone levels. Identifying biomarkers associated with an increased risk of ICI-induced side effects (such as HLA) is of interest for better patient selection, optimal management and improved understanding of the mechanisms involved.

Citing Articles

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Endocrine side effects of immune checkpoint inhibitors.

Cardona Z, Sosman J, Chandra S, Huang W Front Endocrinol (Lausanne). 2023; 14:1157805.

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