Advances of IGF-1R inhibitors in Graves' ophthalmopathy.

Meilan Wang, Lian Liu

International ophthalmology 2024 Nov 22

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Graves' ophthalmopathy is the most common extra-thyroidal organ manifestation of Graves' disease. The mainstay of clinical treatment is glucocorticoids; however, side effects and relapse are common problems, and current treatment options cannot alter the disease progression. IGF-1R is an important component of the signaling pathway in Graves' ophthalmopathy, and downstream signaling of IGF-1 and IGF-1R plays a role in many immune-related diseases, possibly leading to disease occurrence through changes in immune phenotype and protein synthesis. Teprotumumab is a human monoclonal antibody targeting the insulin-like growth factor-I receptor (IGF-1R). Clinical trials have shown that teprotumumab reduces proptosis better than placebo, and may be beneficial for patients with worsening disease after steroid cessation. In this review, we discuss the role and prospects of IGF-1R inhibitors in thyroid-associated ophthalmopathy. © 2024. The Author(s), under exclusive licence to Springer Nature B.V.