This study highlights phenotypic features of psoriasis in elderly and in very late onset psoriasis. The management of these fragile patients remains poorly codified and needs further investigation.

JEADV AbstractBackground Three biotherapiesetanercept, adalimumab and ustekinumabare licensed in childhood psoriasis. The few data available on their efficacy and tolerance are mainly derived from industry trials. However, biological drug survival impacts long-term performance in real-life settings.Objective The objective of this study was to evaluate the survival rates of biological therapies in children with psoriasis in real-life conditions. Secondary objectives were to evaluate the factors associated with the choice of the biological therapy and to report severe adverse events. Materials and methodsThis study was an observational retrospective study. Data were extracted from the clinical records of 134 children. Kaplan-Meier estimates were used to analyse drug survival overall and in subgroups of plaque psoriasis, bio-na€ ıve and non-na€ ıve patients. ResultsWe analysed 184 treatment courses: 70 with etanercept, 68 with adalimumab and 46 with ustekinumab.Factors associated with the choice of first-line biological agent were age at initiation (younger for adalimumab, P < 0.0001), age at onset of psoriasis (younger for adalimumab and etanercept, P = 0.03) and baseline Psoriasis Assessment Severity Index and Physician global assessment (both higher for adalimumab, P < 0.001). Drug survival rates were higher for ustekinumab than for adalimumab and etanercept (P < 0.0001) for all treatment and all psoriasis types, plaque-type psoriasis (P = 0.0003), patients na€ ıve for biological agents (P = 0.0007) and non-na€ ıve patients (P = 0.007). We reported eight serious adverse events (SAEs): severe infections (n = 3), significant weight gain (n = 2), psoriasis flare (n = 1) and malaise (n = 1). Biological therapy was discontinued in three children (one with psoriasis flare and two with weight gain). Only the two cases of weight gain resulted in an unfavourable outcome.Conclusions Our real-life comparative study found that ustekinumab had the best drug survival outcome. The profile of SAEs in children was comparable to that in adults. These results will assist dermatologists in the decision-making process when choosing treatment options for children with psoriasis in daily practice.

SummaryBackground Psoriasis is associated with higher prevalences of cardiovascular and metabolic comorbidities in adults but the relationship of age at onset and those prevalences is unknown. Objective To evaluate whether the childhood onset of psoriasis (COP) is correlated with the frequency of cardiovascular and metabolic comorbidities in adulthood. Methods This noninterventional, cross-sectional, multicentre study of adults with psoriasis was conducted in 29 dermatology centres in France. Data on sex, age at onset of psoriasis and its clinical characteristics, and cardiovascular risk factors, including weight, body mass index, waist circumference, dyslipidaemia, diabetes, hypertension, smoking, and personal/familial major adverse cardiovascular events (MACE) were systematically recorded. Results Two thousand two hundred and one patients with psoriasis (male: 56%; mean age: 49 years; 25% with COP) were included consecutively in the study. Univariate analysis showed that COP was associated with lower frequencies of obesity, high waist circumference, diabetes, dyslipidaemia, hypertension, familial cardiovascular disease, MACE and metabolic syndrome, but more frequent active smoking. Multivariate analysis retained age as being associated with frequency of cardiovascular and metabolic comorbidities, and sex with smoking, but not age at the onset of psoriasis. Psoriasis severity was associated with higher frequencies of obesity and psoriatic arthritis. Conclusion Our results showed that COP does not seem to be an additional risk factor for higher frequencies of cardiovascular and metabolic comorbidities during adulthood.

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Severe weight increment is frequent on IFX treatment, mainly in men, and patients with severe psoriasis. Dietary follow-up or simultaneous use of methotrexate could limit this weight increment.

Psoriasis has major physical, psychological, and social impacts: its management should not be restricted by individual financial considerations in Western countries as these have well-structured health systems and social/insurance coverage. We investigated if the socioeconomic characteristics of patients were associated with severity of psoriasis and access to healthcare. In a cross-sectional study, we included 903 patients with psoriasis that were consulting for the first time. We showed that low educational level was associated with severity of disease in multivariate analyses. Moreover, patients of lower class and lower educational level, with severe psoriasis, had seen fewer physicians and had less frequently received a systemic treatment. Thus, physicians need to be vigilante of patients with a low socioeconomic status. Both low socioeconomic status and less access to dermatologists are associated with clinical severity of psoriasis at a first consultation.

Ethics Declarations: In France and Itlay, ethic declaration is not necessary for retrospective date. We only required the "non-opposition for participating to the study" Funding: No sources of funding were used to conduct this study or prepare this manuscript.

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