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Teprotumumab: A Review in Thyroid Eye Disease

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posted on 20.11.2022, 22:33 authored by Tina Nie, Yvette Lamb

Declarations

Funding The preparation of this review was not supported by any external funding.

Authorship and Conflict of interest Tina Nie and Yvette Lamb are salaried employees of Adis International Ltd/Springer Nature, and declare no relevant conflicts of interest. All authors contributed to the review and are responsible for the article content.

Ethics approval, Consent to participate, Consent to publish, Availability of data and material, Code availability Not applicable.

Additional information about this Adis Drug Review can be found here 

Abstract

Teprotumumab (TEPEZZA®), a monoclonal antibody that inhibits the insulin-like growth factor 1 receptor (IGF-1R), is the first disease-modifying therapy approved for the treatment of thyroid eye disease (TED) in the USA. In phase II and III clinical trials in adults with active, moderate-to-severe TED, intravenous teprotumumab significantly improved proptosis response rate and a range of other TED outcomes, including overall response rate, Clinical Activity Score, diplopia and disease-specific quality of life. The clinical benefit of teprotumumab was maintained for up to 51 weeks post-treatment in the majority of patients. Teprotumumab was generally well tolerated; adverse events with the greatest risk difference compared with placebo were muscle spasms, hearing loss and hyperglycaemia. Early real-world experience suggests teprotumumab may also be beneficial in a more diverse TED population. Teprotumumab is the first approved treatment for TED and is effective at reducing symptoms which are often unamenable to historical pharmacological interventions. While further data are required, current evidence suggests teprotumumab represents an important advance in the treatment of TED.

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