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Background/Objectives: Itch is one of the hallmarks of atopic dermatitis (AD), which has a significant impact on the quality of life of pediatric patients with AD and their caregivers. We aimed to conduct a systematic review and meta‐analysis to evaluate the antipruritic effects of systemic AD treatments in pediatric patients with AD. Methods: PubMed, EMBASE, Cochrane, and Web of Science databases were searched, including studies providing original data on the effects of systemic treatment on pruritus in pediatric patients (<18 years) with AD. Placebo‐controlled trials reporting a Peak Pruritus Numerical Rating Scale 4 (PP‐NRS4) response were included in a meta‐analysis. Results: A total of 30 studies were included, with most evidence available for dupilumab. Overall, marked improvements of pruritus (50% or greater reduction in pruritus outcome measurements) were found for treatment with cyclosporin A (2–16 years), dupilumab (6 months–17 years), abrocitinib, and upadacitinib (both 12 and 17 years). Nemolizumab (12–17 years) may be promising in reducing pruritus in pediatric patients; however, data are limited. Only five randomized controlled trials could be included in our meta‐analysis, in which dupilumab, abrocitinib, and upadacitinib showed a significantly higher probability of achieving a PP‐NRS4 response compared with placebo. Our study was limited by a lack of homogeneity of included studies. Conclusions: Cyclosporin A, dupilumab, abrocitinib, and upadacitinib are all effective in decreasing pruritus and, therefore, in improving the quality of life in children with AD. As more systemic treatments for AD become available, it will be imperative to incorporate patient‐oriented treatment goals such as reduction of pruritus into therapeutic decision‐making. [ABSTRACT FROM AUTHOR]

Real-world evidence, directly comparing the effectiveness of interleukin (IL)17-inhibitors, IL23-inhibitors, tumour necrosis factor alpha (TNF-a)-inhibitors and an IL12/23-inhibitor in psoriasis, is scarce. The aim of this study was to directly compare the first-year effectiveness of biologic therapies for psoriasis, corrected for confounders. This prospective, multicentre cohort study assessed BioCAPTURE data on etanercept, adalimumab, ustekinumab, secukinumab, ixekizumab, and guselkumab in 1,080 treatment episodes of 700 patients with psoriasis. The course of the mean absolute Psoriasis Area and Severity Index (PASI) and the proportion of patients who achieved PASI90/PASI75 were compared using linear mixed models and mixed logistic regression models respectively, corrected for baseline PASI, biologic naivety, and weight. Patients treated with adalimumab, ustekinumab, secukinumab, ixekizumab, or guselkumab all had a significantly lower mean PASI after 12 months compared with etanercept, and significantly higher overall odds of reaching PASI90 than those treated with etanercept. Patients treated with ixekizumab or guselkumab also had higher probabilities of reaching PASI90 than adalimumab, ustekinumab, and secukinumab. Relative to randomized controlled trials, the proportions of patients who reached PASI90/75 were lower in this real-world study. [ABSTRACT FROM AUTHOR]

The article presents a study which aims to evaluate 1- and 2-year drug survival (DS) of guselkumab, split for discontinuation due to ineffectiveness or side-effects. It mentions that the study elucidate predictors for a shorter guselkumab DS. It informs that guselkumab has been registered as the first interleukin-23 (IL-23) inhibitor for treatment of psoriasis.

Background: Previously identified risk factors for psoriatic arthritis (PsA); nail dystrophy and scalp lesions are highly prevalent in patients with moderate-to-severe psoriasis. Therefore, these variables may not be useful as predictors for PsA in this population., Objective: We assessed the predictive value of demographic and clinical characteristics for development of PsA in a cohort of patients with moderate-to-severe psoriasis, currently treated with biologics. Furthermore, we reported the incidence of new-onset PsA in this population and described the characteristics of patients that developed PsA during biologic treatment., Methods: Demographics and treatment characteristics of psoriasis patients currently using biologic therapy were extracted from the BioCAPTURE database (n=427). Poisson regression was used to calculate incidence rates. Multivariable logistic regression was performed to identify factors independently associated with PsA onset. Patient and treatment characteristics of patients that developed PsA during biologic treatment were described., Results: The incidence of PsA was 1.0 (95% CI 0.8-1.2) per 100 psoriasis-years. Except for a lower risk for PsA in male gender (OR 0.58, 95% CI 0.34-0.98, p-value 0.04), no clinical factors were significantly associated with an altered risk of developing PsA. During biologic therapy, 32 patients (9.4%) newly developed PsA. In this group, 53.8% had PASI<5 at PsA diagnosis. The incidence rate of PsA was 1.6 (95% CI 1.1-2.2) per 100 years on biologic therapy., Conclusion: Clinical risk factors might be inaccurate to predict PsA onset in patients with moderate-to-severe psoriasis on biologics. Even with low disease activity, psoriasis patients on biologics are still prone to develop PsA., Competing Interests: Marloes E van Muijen carries out clinical trials for Abbvie, Celgene, Janssen and Novartis, and has received a speaking fee from Janssen. All funding is not personal but goes to the independent Research Fund of the Department of Dermatology of the Radboud university medical center Nijmegen (Radboudumc), The Netherlands. Tamara W van Hal has acted as a paid speaker for Lily Eli and has received reimbursement for attending a symposium from UCB. Juul M P A van den Reek carries out clinical trials for AbbVie, Celgene and Janssen; has received speaking fees/attended advisory boards from AbbVie, BMS and Janssen and has received reimbursement for attending a symposium from Celgene and AbbVie. All funding is not personal but goes to the independent research fund of the department of dermatology of Radboud university medical center Nijmegen (Radboudumc), the Netherlands. Elke M G J de Jong has received research grants for the independent research fund of the department of dermatology of the Radboud university medical center Nijmegen, the Netherlands from AbbVie, Pfizer, Novartis, Janssen Pharmaceuticals and Leo Pharma and has acted as consultant and/or paid speaker for and/or participated in research sponsored by companies that manufacture drugs used for the treatment of psoriasis including AbbVie, Janssen, Novartis, Lily, Celgene, Leo Pharma, UCB and Almirall. All funding is not personal but goes to the independent research fund of the department of dermatology of Radboud university medical center Nijmegen (Radboudumc), the Netherlands. The authors report no other conflicts of interest in this work., (© 2020 van Muijen et al.)