The effects of TNF-alpha inhibitor therapy on the incidence of infection in JIA children: a meta-analysis.

Pediatr Rheumatol Online J 2019 Jan 18;17(1). Epub 2019 Jan 18.

Department of Paediatrics, Medical School, University of Pécs, 7. József Attila street, Pécs, 7623, Hungary.

Background: Juvenile Idiopathic arthritis (JIA) is the most common chronic rheumatic disease in childhood. The diagnosis is based on the underlying symptoms of arthritis with an exclusion of other diseases Biologic agents are increasingly used on the side of disease-modifying anti-rheumatic drugs (DMARD) in JIA treatment.

Main Body: The aim of this meta-analysis was to investigate the observed infections in JIA children during tumor necrosis factor (TNF)-alpha inhibitor therapy. A systematic search of three databases (Medline via PubMed, Embase, Cochrane Library) was carried out up to May 2018. Published trials that evaluated the infectious adverse events in patients receiving TNF-alpha inhibitor vs. a control group were included in the analysis. Full-text data extraction was carried out independently by the investigators from ten relevant publications. 1434 patients received TNF-alpha inhibitor therapy; the control group consisted of 696 subjects. The analysis presented the risk of infection in the active treatment group (OR = 1.13; 95% CI: 0.76-1.69; p = 0.543). The majority of infections were upper respiratory tract infections (URTIs). Furthermore, the subgroup analysis demonstrated a higher infection rate in the observed localization.

Conclusion: Anti-TNF therapy slightly but not significantly increases the incidence of infection in JIA children compared to other therapies (GRADE: moderate evidence). The most common infections reported were mild URTIs. Further studies with larger patients number with a strong evidence level are crucially needed to finalize the answer whether anti-TNF therapy elevates and if yes on what extent the incidence of infection in JIA children.

Trial Registration: Prospero: CRD42017067873 .

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http://dx.doi.org/10.1186/s12969-019-0305-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6339290PMC

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January 2019
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