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  • Title: Successful use of tocilizumab in amyloidosis secondary to systemic juvenile idiopathic arthritis.
    Author: Gupta A, Bagri NK, Tripathy SK, Barwad A, Phulware RH, Hari P.
    Journal: Rheumatol Int; 2020 Jan; 40(1):153-159. PubMed ID: 31273457.
    Abstract:
    Amyloidosis secondary to juvenile idiopathic arthritis is a known complication of poorly controlled systemic juvenile idiopathic arthritis (SJIA), occurring in 1-2% of the patients. The IL-6 inhibitor tocilizumab is effective in controlling systemic signs and symptoms of sJIA and may be of therapeutic benefit in secondary amyloidosis. Herein, we report the clinical timeline of a 10-year boy with sJIA and secondary amyloidosis, who showed a sustained improvement of systemic symptoms and a reduction in proteinuria with tocilizumab. Compared to the data on adult patients affected with the secondary amyloidosis, there are very few reports on therapeutic options for the children affected with SJIA and secondary amyloidosis in the paediatric population. While doing a systematic literature search for writing this review, we could only retrieve nine case reports and one case series of the children affected with SJIA and secondary amyloidosis, including five cases which were treated with tocilizumab. We also looked into the clinical and biochemical response to various agents that have been used in the previous cases, including tocilizumab. The available literature and the present case report suggest that tocilizumab may be considered as a safe and effective option to treat SJIA-related secondary amyloidosis.
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