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SAT455 A Randomized, Quadruple-masked, Placebo-controlled, Multicenter Trial To Evaluate The Efficacy And Safety Of Teprotumumab In Patients With Chronic (Inactive/Low CAS) Thyroid Eye Disease

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  • Additional Information
    • Publication Information:
      The Endocrine Society, 2023.
    • Publication Date:
      2023
    • Abstract:
      Disclosure: R.S. Douglas: Consulting Fee; Self; Horizon Therapeutics plc, Immunovant, Viridian. S. Couch: None. S.T. Wester: Advisory Board Member; Self; Horizon Therapeutics plc. Consulting Fee; Self; Immunovant, Sling. B. Fowler: Consulting Fee; Self; Horizon Therapeutics plc. C. Liu: Other; Self; Walter Kluwer Health. P. Subramanian: Consulting Fee; Self; Gensight, Horizon Therapeutics plc, Viridian. R. Tang: Consulting Fee; Self; Viridian, Alexion, Valenza. Research Investigator; Self; Viridian, Horizon Therapeutics plc, Novartis, Immunovant, Vasaragen. Speaker; Self; Serono Speaker Journal Club. Q.T. Nguyen: None. K. Hsu: Employee; Self; Horizon Therapeutics plc. Stock Owner; Self; Horizon Therapeutics plc. M. Karon: Employee; Self; Horizon Therapeutics plc. Stock Owner; Self; Horizon Therapeutics plc. M.N. Stan: Consulting Fee; Self; Immunovant, Horizon Therapeutics plc, Sling, Genentech, ArgenX. Background: Thyroid eye disease (TED) is characterized by expansion of peri- and retro-orbital fat and muscle, often resulting in disfiguring proptosis (eye-bulging) and diplopia (double vision) which may persist chronically. Teprotumumab, an inhibitor of the insulin-like growth factor-1 receptor, demonstrated improvements in proptosis, diplopia, inflammation and quality of life in clinical trials in patients with TED history of short duration (6-13 months), and active disease (clinical activity score [CAS] ≥4). In a published study of 31 patients with CAS≤3 and TED duration >2 years, teprotumumab reduced proptosis, diplopia and inflammation.1 We have undertaken the first randomized, placebo (PBO)-controlled trial to evaluate teprotumumab in patients with chronic/inactive/low CAS TED. The trial has completed randomization with results available in May 2023. Here we report characteristics of the randomized patients. Methods: The trial (NCT04583735) is being conducted in 11 centers in the United States. Key inclusion criteria were age≥18 years, TED duration ≥2 years but Presentation: Saturday, June 17, 2023
    • ISSN:
      2472-1972
    • Accession Number:
      10.1210/jendso/bvad114.1930
    • Rights:
      CC BY NC ND
      URL: http://creativecommons.org/licenses/by-nc-nd/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com
    • Accession Number:
      edsair.doi.dedup.....fbb2b0a6222bd18da226acd9c7ff99d0