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BACKGROUND AND OBJECTIVE: The most recently approved biologics for moderate-to-severe psoriasis are the interleukin (IL)-17 and IL-23 inhibitors. Drug survival is a frequently used outcome to assess drug performance in practice. An overview of the available drug survival studies regarding IL-17 and IL-23 inhibitors is lacking. Therefore, our objective was to assess the drug survival of IL-17 and IL-23 inhibitors for psoriasis. METHODS: A search of PubMed, Embase, Cochrane Library and Web of Science was conducted (last search 27 December, 2023). Inclusion criteria were (1) cohort study; (2) patients aged ≥ 18 years with plaque psoriasis; and (3) evaluation of drug survival of at least one of the IL-17 and IL-23 inhibitors. Exclusion criteria were: primary focus on patients with psoriatic arthritis, fewer than ten study subjects and another language than English. The Preferred Reporting Items for Systematic Reviews and Meta-analyses reporting guideline was followed. Survival probabilities at monthly intervals were extracted from Kaplan-Meier curves using a semi-automated tool. Data were pooled using a non-parametric random-effects model to retrieve distribution-free summary survival curves. Summary drug survival curves were constructed per biologic for different discontinuation reasons: overall, ineffectiveness and adverse events, and split for the effect modifier biologic naivety. Results were analysed separately for registry/electronic health record data and for pharmacy/claims data. RESULTS: A total of 69 studies aggregating drug survival outcomes of 48,704 patients on secukinumab, ixekizumab, brodalumab, guselkumab, risankizumab, and tildrakizumab were included. Summary drug survival estimates of registry/electronic health record studies for overall, ineffectiveness and adverse event related drug survival were high (all point estimates ≥ 0.8 at year 1) for included biologics, with highest estimates for guselkumab and risankizumab. All estimates for drug survival were higher in biologic naive than in experienced patients. Estimates of pharmacy/claims databases were substantially lower than estimates from the primary analyses based on registry/electronic health record data. CONCLUSIONS: This meta-analysis showed that the investigated IL-17 and IL-23 inhibitors had high drug survival rates, with highest rates for guselkumab and risankizumab drug survival. We showed that effect modifiers such as biologic naivety, and the source of data used (registry/electronic health record data vs pharmacy/claims databases) is relevant when interpreting drug survival studies.
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BACKGROUND: Anti-TNFα is increasingly used as treatment for immune mediated inflammatory diseases (IMID), such as inflammatory bowel disease (IBD), rheumatoid arthritis (RA) and psoriasis (PS). However, the impact of anti-TNFα during pregnancy on mother and newborn is under debate. This requires a sound knowledge of the effects of this treatment on pregnancy and neonatal outcomes. OBJECTIVES: To assess pregnancy and neonatal outcomes after anti-TNFα therapy during pregnancy in women with IMID, specifically IBD, RA and PS. METHODS: We performed a systematic review and meta-analysis of 39 studies assessing pregnancy and neonatal outcomes of women with IMID exposed to anti-TNFα agents during pregnancy. We used a random-effects model to determine pooled outcome measures. RESULTS: An increased risk of preterm births (OR 1.45, 95% CI = 1.16 to 1.82, p = 0.001) and infections in newborns (OR 1.12, 95% CI = 1.00 to 1.27, p = 0.05)) was seen for women in the combined group of IMID exposed to anti-TNFα compared to diseased controls. Specifically for IBD patients exposed to anti-TNFα, the risk was increased for preterm birth (OR 1.66, 95% CI = 1.14 to 2.42, p = 0.009), and low birth weight (OR 1.49, 95% CI = 1.01 to 2.20, p = 0.047) compared to diseased controls. Combined data from studies of women with RA and PS, showed no increased risk for adverse pregnancy outcome after exposure to anti-TNFα. Most children of mothers with IMID received vaccination according to national vaccination schemes and only minor adverse events were reported. CONCLUSION: Exposure to anti-TNFα agents during pregnancy is associated with increased risk of preterm birth and infections in newborns of women with IMID compared to diseased controls. The risk of preterm birth and low birth weight was increased in women with IBD specifically. The increased risk of infections in newborns underlines the importance of vaccination, which seems to be safe in children exposed to anti-TNFα. Delay of vaccination is therefore unnecessary in these children. These data may aid in balancing the continuing anti-TNFα therapy versus the risk of adverse pregnancy outcomes.
