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Clinical Trial Summary

This study aims to evaluate the efficacy and safety of tocilizumab treating Thyroid Associated Ophthalmopathy.


Clinical Trial Description

Thyroid Associated Ophthalmopathy(TAO) is one of autoimmune orbital diseases characterized by enlargement of the extraocular muscles and increase in fatty or/and orbit connective tissue volume affecting the appearance and visual function of the eyes. In TAO pathogenesis, orbital fibroblasts are activated by autoantibodies against the thyrotropin receptor TSHR and the insulin-like growth factor-1 receptor. The fibroblasts then secrete interleukin-6 (IL-6), macrophage chemoattractant protein-1, and transforming growth factor-ß. In orbital preadipocyte fibroblasts, IL-6 increases expression of the thyrotropin receptor TSHR, and the orbital volume is relative to IL-6 mRNA expression. Thus, IL-6 may have several roles in the pathogenesis of TAO. Tocilizumab, a recombinant humanized IgG1 monoclonal antibody against IL-6 receptors, is FDA-approved for the treatment of rheumatoid arthritis, giant cell arteritis and juvenile idiopathic arthritis with a good toleration. The investigators carry this perspective cohort study to evaluate the efficacy of tocilizumab in TAO. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06087731
Study type Interventional
Source Sun Yat-sen University
Contact
Status Withdrawn
Phase Phase 2
Start date September 23, 2023
Completion date September 23, 2023

See also
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