Efficacy of teprotumumab therapy in patients with long-duration thyroid eye disease.

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Current opinion in ophthalmology


PURPOSE OF REVIEW: Teprotumumab, an inhibitor of the insulin-like growth factor 1 receptor (IGF-1R), was approved by the US Food and Drug Administration in January 2020 for the treatment of thyroid eye disease (TED). The clinical trials leading to its approval enrolled patients with recent disease onset and significant inflammatory symptoms and signs. Subsequent real-world teprotumumab use in patients with longer duration of disease also may be effective, and there have been several publications reporting on experience in these patient groups.

RECENT FINDINGS: TED results in disfiguring changes such as ocular proptosis and affects visual function by altering extraocular muscle function, leading to diplopia. Compressive optic neuropathy also may occur, and disease manifestations may persist for years. Teprotumumab treatment in cases of TED in which prior interventions (medical or surgical) had failed, or in treatment-naïve patients whose disease had been stable for years, has been reported to improve both clinical signs and symptoms (proptosis, diplopia) and to reduce the pathologic orbital changes as assessed by orbital imaging.

SUMMARY: Teprotumumab may be an appropriate treatment for TED regardless of disease duration and irrespective of the presence or absence of markers of active inflammation within the orbit.





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