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Background: Psoriasis is a common inflammatory disease in any age group, but also in older patients (≥ 65 years of age). Since older patients are often excluded from clinical trials, limited data specifically on this growing population are available, e.g. regarding the safety and performance of biological treatment., Aims: We aimed to give insight into this specific population by comparing the drug survival and safety of biologics in older patients with that in younger patients., Methods: In this real-world observational study, data from 3 academic and 15 non-academic centers in The Netherlands were extracted from the prospective BioCAPTURE registry. Biologics included in this study were tumor necrosis factor (TNF)-α, interleukin (IL)-17, IL-12/23, and IL-23 inhibitors. Patients were divided into two age groups: ≥ 65 years and < 65 years. The Charlson Comorbidity Index (CCI) was used to measure comorbid disease status, and all adverse events (AEs) that led to treatment discontinuation were classified according to the Medical Dictionary for Regulatory Activities (MedDRA) classification. All AEs that led to treatment discontinuation were studied to check whether they could be classified as serious AEs (SAEs). Kaplan-Meier survival curves for overall 5-year drug survival and split according to reasons of discontinuation (ineffectiveness or AEs) were constructed. Cox regression models were used to correct for possible confounders and to investigate associations with drug survival in both age groups separately. Psoriasis Area and Severity Index (PASI) scores during the first 2 years of treatment and at the time of treatment discontinuation were assessed and compared between age groups., Results: A total of 890 patients were included, of whom 102 (11.4%) were aged ≥ 65 years. Body mass index, sex, and distribution of biologic classes (e.g. TNFα, IL12/23) were not significantly different between the two age groups. A significantly higher CCI score was found in older patients, indicative of more comorbidity (p < 0.001). The 5-year ineffectiveness-related drug survival was lower for older patients (44.5% vs. 60.5%; p = 0.006), and the 5-year overall (≥ 65 years: 32.4% vs. < 65 years: 42.1%; p = 0.144) and AE-related (≥ 65 years: 82.1% vs. < 65 years: 79.5%; p = 0.913) drug survival was comparable between age groups. Of all AEs (n = 155) that led to discontinuation, 16 (10.3%) were reported as SAEs but these only occurred in younger patients. After correcting for confounders, the same trends were observed in the drug survival outcomes. Linear regression analyses on PASI scores showed no statistical differences at 6, 12, 18, and 24 months of treatment between age groups., Conclusions: This study in a substantial, well-defined, prospective cohort provides further support that the use of biologics in older patients seems well-tolerated and effective. Biologic discontinuation due to AEs did not occur more frequently in older patients. Older patients discontinued biologic treatment more often due to ineffectiveness, although no clear difference in PASI scores was observed. More real-world studies on physician- and patient-related factors in older patients are warranted., (© 2022. The Author(s).)

Real-world evidence, directly comparing the effectiveness of interleukin (IL)17-inhibitors, IL23-inhibitors, tumour necrosis factor alpha (TNF-α)-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.

A 37-year-old woman presented with progressive longitudinal erythronychia and onychorrhexis of the toenails. She had a history of sarcoidosis of the lung and nose, which was silent without treatment at the time of presentation. Histopathological examination of a nail matrix biopsy revealed granulomas with palisading histiocytes in the connective tissue and a lymphocytic infiltrate in and around the granulomas without necrosis. Based on the clinical presentation, medical history, and histopathological examination, the diagnosis of nail sarcoidosis was made. Treatment with triamcinolone acetonide 40 mg/mL resulted in the disappearance of the onychorrhexis and a significant improvement of erythronychia. To our knowledge, a clinical presentation with longitudinal erythronychia as seen in our patient has not been previously described. Bone involvement of the underlying distal phalanges and systemic involvement can be paucisymptomatic but are present in most patients with sarcoidosis of the nails. Nail and bone involvement are both regarded as features of chronic and systemic sarcoidosis. Screening for bone and systemic involvement should be performed in all patients with nail sarcoidosis, as this may influence decisions on treatment and follow-up. Therefore, it is important to recognize longitudinal erythronychia as a possible clinical sign of nail sarcoidosis.

We present a 30-years-old man with lymphadenopathy and itchy skin lesions. One lymphoblast and atypical lymphocytes were found in the peripheral blood. Histopathologic examination of a skin punch biopsy revealed scabies. Lymphadenopathy is normally only seen in patients with widespread long-lasting scabies crustosa. However, this case illustrates that scabies should also be included in the differential diagnosis of patients with lymphadenopathy and only a few itchy skin lesions.

Background: A considerable disease period often precedes initiation of a biologic in patients with psoriasis. Little is known about this important period in patients' lives. Evaluation of this 'journey' can reveal important insights and opportunities for physicians and healthcare decision makers., Objectives: (i) To describe patient and treatment characteristics until the start of biologic treatment in patients with severe psoriasis, (ii) to assess shifts in early (2005-2009) versus established (2010-2015) biologics prescription periods, (iii) to assess changes in hospital/day care admissions before vs. after starting biologics., Methods: Explorative, retrospective study on the treatment characteristics of the disease period until first biologic, presented with descriptive statistics of patients included in the BioCAPTURE registry. Journeys of 2005-2009 and 2010-2015 were compared with statistical tests to identify important shifts., Results: Median TUS (time until conventional systemic) was 11.0 years and median TUB (time until biologic) was 18.9 years for all patients treated from 2005 to 2015. Most patients received three different conventional antipsoriatic systemic therapies. We noticed a small trend towards a shorter journey (TUB) with only two conventional systemic agents instead of three before initiating a biologic in later years (2010-2015, vs. 2005-2009). We also noticed a significant decrease in (day care) admissions comparing the two years before, versus the first two years after the start of a biologic treatment (17.7 vs. 8.6 admissions/100 follow-up years, P < 0.001). Cyclosporine, intensive topical treatment (dithranol), retinoids and PUVA therapy lost popularity in recent years., Conclusion: The 'journey' of patients with psoriasis towards a biologic is still long and characterized by many different treatments. Shifts towards fewer conventional drugs before biologic initiation and a clear decrease in hospital and day care admissions before vs. after a biologic are seen. Improvement of this journey, especially in young or recently diagnosed patients, can decrease negative influences on patients' lives and reduce societal impact., (© 2017 European Academy of Dermatology and Venereology.)

Background: The efficacy of etanercept and ustekinumab in psoriasis has been compared in one randomized controlled trial. Comparison of the long-term effectiveness of biologics in daily-practice psoriasis treatment is currently lacking., Objectives: To compare the effectiveness between the three widely used outpatient biologics adalimumab, etanercept and ustekinumab in daily-practice psoriasis treatment and to correct for confounders., Methods: Data were extracted from the prospective, multicentre BioCAPTURE registry. Multilevel linear regression analyses (MLRAs) and generalized estimating equation (GEE) analyses were performed on the course of mean Psoriasis Area and Severity Index (PASI) and PASI 75 (≥ 75% reduction vs. baseline). Both models were corrected for confounders. Subgroup analyses for biological dose were performed., Results: We included 356 patients with 513 treatment episodes: 178 adalimumab, 245 etanercept and 90 ustekinumab. MLRA showed a similar effectiveness between adalimumab, etanercept and ustekinumab after 1 year, but the highest effectiveness for ustekinumab during 5 years of treatment (P = 0·047; ustekinumab vs. etanercept, P = 0·019). GEE analysis revealed a higher chance of attaining PASI 75 with adalimumab and ustekinumab than with etanercept at 1 year of treatment. A higher than label dose was more often used in patients treated with etanercept (adalimumab, etanercept and ustekinumab: respectively 31·5%, 55·1% and 17% after 1 year, P < 0·001; 39·3%, 71·4% and 24% after 5 years, P < 0·001)., Conclusions: Compared with etanercept, ustekinumab had the highest effectiveness during 5 years of treatment. Patients receiving adalimumab and ustekinumab more often reached PASI 75 than those on etanercept at 1 year of treatment. Dose escalation was more frequent in etanercept and adalimumab than in ustekinumab., (© 2016 British Association of Dermatologists.)