Background::Concerns exist regarding the risk of infections in patients with spondyloarthritis (SpA) treated with biologics. We assessed the risk of infections of biological and targeted drugs in patients with SpA by performing a meta-analysis based on randomized controlled trials (RCTs).Methods::A systematic literature search was conducted in PubMed, Embase, Web of Science, the Cochrane Library, and China Biology Medicine Disc for RCTs evaluating the risk of infections of biological therapy in patients with SpA from inception through August 9, 2021. We calculated a pooled Peto odds ratio (OR) for infections in biologics-treated patients vs. placebo patients. The risk of bias on the included RCTs was assessed by using the Cochrane Risk of Bias Tool. Results::In total, 62 studies were included in this meta-analysis. Overall, the risk of infection (Peto OR: 1.16, 95% confidence interval [CI]: 1.07-1.26, P < 0.001), serious infection (Peto OR: 1.65, 95% CI: 1.26-2.17, P < 0.001), upper respiratory tract infection (URTI) (Peto OR: 1.17, 95% CI: 1.04-1.32, P = 0.008), nasopharyngitis (Peto OR: 1.25, 95% CI: 1.10-1.42, P < 0.001), and Candida infection (Peto OR: 2.64, 95% CI: 1.48-4.71, P = 0.001) were increased in SpA patients treated with biologics compared with placebo. Sensitivity analysis based on biologics classes was conducted, and results demonstrated that compared with placebo, there was a higher risk of infection for tumor necrosis factor (TNF)-α inhibitors (Peto OR: 1.38, 95% CI: 1.13-1.68, P = 0.001) and interleukin (IL)-17 inhibitors (Peto OR: 1.55, 95% CI: 1.08-2.22, P = 0.018) in axial SpA, and for Janus kinase inhibitors in peripheral SpA (Peto OR: 1.39, 95% CI: 1.14-1.69, P = 0.001); higher risk of serious infection for IL-17 inhibitors in peripheral SpA (Peto OR: 3.46, 95% CI: 1.26-9.55, P = 0.016) and axial SpA (Peto OR: 2.01, 95% CI: 1.38-2.91, P < 0.001); higher risk of URTI for TNF-α inhibitors in axial SpA (Peto OR: 1.37, 95% CI: 1.05-1.78, P= 0.019), and for apremilast in peripheral SpA (Peto OR: 1.60, 95% CI: 1.08-2.36, P = 0.018); higher risk of nasopharyngitis for TNF-α inhibitors in axial SpA (Peto OR: 1.41, 95% CI: 1.05-1.90, P = 0.022) and peripheral SpA (Peto OR: 1.49, 95% CI: 1.09-2.05, P = 0.013), and for IL-17 inhibitors in axial SpA (Peto OR: 1.35, 95% CI: 1.01-1.82, P = 0.044); higher risk of herpes zoster for Janus kinase inhibitors in peripheral SpA (Peto OR: 2.18, 95% CI: 1.03-4.62, P = 0.043); higher risk of Candida infection for IL-17 inhibitors in peripheral SpA (Peto OR: 2.52, 95% CI: 1.31-4.84, P= 0.006). Conclusions::This meta-analysis shows that biological therapy in patients with SpA may increase the risk of infections, including serious infections, URTI, nasopharyngitis, and Candida infection, which should be paid attention to in our clinical practice.

Spondyloarthritis;Biological therapy;Infection;Herpes zoster;Meta-analysis

Hu Lidong;Man Siliang;Ji Xiaojian;Wang Yiwen;Liu Xingkang;Zhang Jiaxin;Song Chuan;Zhu Jian;Huang Feng

Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China;Department of Rheumatology, Beijing Jishuitan Hospital, Beijing 100035, China

中华医学杂志（英文版）

[1]Hu Lidong;Man Siliang;Ji Xiaojian;Wang Yiwen;Liu Xingkang;Zhang Jiaxin;Song Chuan;Zhu Jian;Huang Feng-.Risk of infections of biological and targeted drugs in patients with spondyloarthritis: meta-analysis of randomized clinical trials)[J].中华医学杂志（英文版）,2022(08):911-919

Peto,nasopharyngitis,Spondyloarthritis

Risk,infections,biological,targeted,drugs,patients,spondyloarthritis,meta,analysis,randomized,clinical,trials,Background,Concerns,exist,regarding,risk,SpA,treated,biologics,assessed,by,performing,controlled,RCTs,Methods,systematic,literature,search,was,conducted,Embase,Cochrane,Library,China,Biology,Medicine,Disc,evaluating,therapy,from,inception,through,August,calculated,pooled,odds,ratio,placebo,bias,included,using,Bias,Tool,Results,total,studies,were,this,Overall,confidence,interval,serious,upper,respiratory,tract,URTI,Candida,increased,compared,Sensitivity,classes,results,demonstrated,that,there,higher,tumor,necrosis,inhibitors,interleukin,axial,Janus,kinase,peripheral,apremilast,herpes,zoster,Conclusions,This,shows,may,including,which,should,be,paid,attention,our,practice,Biological,Infection,Herpes

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