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Real-world efficacy of biologics may be insufficiently assessed through common drug survival studies. The objective was thus to examine real-world performance of biologics in the treatment of psoriasis using the composite endpoint of either discontinuation or off-label dose escalation. Using a prospective nationwide registry (DERMBIO, 2007-2019), we included psoriasis patients treated with adalimumab, secukinumab, and/or ustekinumab, which have all been used as first-line therapy during the inclusion period. The primary endpoint was a composite of either off-label dose escalation or discontinuation of treatment, while the secondary outcomes were dose escalation and discontinuation, respectively. Kaplan-Meier curves were used for the presentation of unadjusted drug survival curves. Cox-regression models were used for risk assessment. In 4313 treatment series (38.8% women, mean age 46.0 years, and 58.3% bio-naivety) we found that the risk of the composite endpoint was lower for secukinumab when compared with ustekinumab (hazard ratio [HR] 0.66, 95% confidence interval (CI) 0.59-0.76), but higher for adalimumab (HR 1.15, 95% CI 1.05-1.26). However, the risk of discontinuation was higher for secukinumab (HR 1.24, 95% CI 1.08-1.42) and adalimumab (HR 2.01, 95% CI 1.82-2.22). For bio-naive patients treated with secukinumab, the risk of discontinuation was comparable to ustekinumab (HR 0.95, 95% CI 0.61-1.49).

Contains fulltext : 251813.pdf (Publisher’s version ) (Closed access) IMPORTANCE: A clear dosing regimen for methotrexate in psoriasis is lacking, and this might lead to a suboptimal treatment. Because methotrexate is affordable and globally available, a uniform dosing regimen could potentially optimize the treatment of patients with psoriasis worldwide. OBJECTIVE: To reach international consensus among psoriasis experts on a uniform dosing regimen for treatment with methotrexate in adult and pediatric patients with psoriasis and identify potential future research topics. DESIGN, SETTING, AND PARTICIPANTS: Between September 2020 and March 2021, a survey study with a modified eDelphi procedure that was developed and distributed by the Amsterdam University Medical Center and completed by 180 participants worldwide (55 [30.6%] resided in non-Western countries) was conducted in 3 rounds. The proposals on which no consensus was reached were discussed in a conference meeting (June 2021). Participants voted on 21 proposals with a 9-point scale (1-3 disagree, 4-6 neither agree nor disagree, 7-9 agree) and were recruited through the Skin Inflammation and Psoriasis International Network and European Academy of Dermatology and Venereology in June 2020. Apart from being a dermatologist/dermatology resident, there were no specific criteria for participation in the survey. The participants worked mainly at a university hospital (97 [53.9%]) and were experienced in treating patients with psoriasis with methotrexate (163 [91.6%] had more than 10 years of experience). MAIN OUTCOMES AND MEASURES: In a survey with eDelphi procedure, we tried to reach consensus on 21 proposals. Consensus was defined as less than 15% voting disagree (1-3). For the consensus meeting, consensus was defined as less than 30% voting disagree. RESULTS: Of 251 participants, 180 (71.7%) completed all 3 survey rounds, and 58 participants (23.1%) joined the conference meeting. Consensus was achieved on 11 proposals in round 1, 3 proposals in round 2, and 2 proposals in round 3. In the consensus meeting, consensus was achieved on 4 proposals. More research is needed, especially for the proposals on folic acid and the dosing of methotrexate for treating subpopulations such as children and vulnerable patients. CONCLUSIONS AND RELEVANCE: In this eDelphi consensus study, consensus was reached on 20 of 21 proposals involving methotrexate dosing in patients with psoriasis. This consensus may potentially be used to harmonize the treatment with methotrexate in patients with psoriasis.

BACKGROUND: Use of Janus kinase 1 inhibitors in moderate-to-severe atopic dermatitis (AD) is associated with incident acne in adolescent and adults that is mostly mild, transient and treatable. There is a need for more knowledge about the risk and severity of acne in patients with AD.OBJECTIVES: To examine the prevalence, incidence and risk of acne in adolescents and adults with AD using nationwide prescription data.METHODS: A matched cohort study of 6600 adults with AD and 66 000 controls was conducted using routinely and prospectively collected nationwide administrative data. Adjusted hazard ratios (HR) are reported with 95% confidence intervals (CIs).RESULTS: The 12-month prevalence of acne was 3.7% in the general population and 3.9% among AD patients. The incidence rate of acne was highest among 12- to 18-year-old AD patients, and overall slightly higher in women with AD compared with males. The overall risk in patients with AD was similar with that of the general population (HR 0.96; 95% CI 0.88-1.06), whereas the risk of being treated for severe acne was reduced in AD patients (HR 0.59; 95% CI 0.47-0.73) and mainly among adolescents and young adults. The HR of acne increased with age reaching 1.41 (95% CI 1.07-1.87) for ages 30-39 years, and 2.07 (95% CI 1.42-3.03) for patients ≥40 years compared with controls.CONCLUSIONS: The risk and severity of acne in AD patients change with age and sex, which may be used for the risk assessment of acne following treatment with Janus kinase 1 inhibitors.

Topical treatment is crucial for the successful management of plaque psoriasis. Topicals are used either as a stand-alone therapy for mild psoriasis or else in combination with UV or systemic treatment for moderate-to-severe disease. For the choice of a suitable topical treatment, the formulation matters and not just the active substances. This expert opinion paper was developed via a non-structured consensus process by Swiss dermatologists in hospitals and private practices to illustrate the current treatment options to general practitioners and dermatologists in Switzerland. Defining treatment goals together with the patient is crucial and increases treatment adherence. Patients’ personal preferences and pre-existing experiences should be considered and their satisfaction with treatment and outcome regularly assessed. During the induction phase of “classical” mild-to-moderate psoriasis, the fixed combination of topical calcipotriol (Cal) 50 μg/g and betamethasone dipropionate (BD) 0.5 mg/g once daily is frequently used for 4–8 weeks. During the maintenance phase, a twice weekly (proactive) management has proved to reduce the risk of relapse. Of the fixed combinations, Cal/BD aerosol foam is the most effective formulation. However, the individual choice of formulation should be based on a patient’s preference and the location of the psoriatic plaques. Tailored recommendations are given for the topical management of specific areas (scalp, facial, intertriginous/genital, or palmoplantar lesions), certain symptoms (hyperkeratotic or hyperinflammatory forms) as well as during pregnancy or a period of breastfeeding. As concomitant basic therapy, several emollients are recommended. If topical treatment alone does not appear to be sufficient, the regimen should be escalated according to the Swiss S1-guideline for the systemic treatment of psoriasis.

Background Psoriasis is a chronic inflammatory skin disease associated with several important medical comorbidities. There are scant data available on the comorbidities of patients with psoriasis in South America. Aim To examine the comorbidity profile of adult patients with psoriasis in Chile and its association with severity of psoriasis. Methods This was a multicentre, cross-sectional study involving 16 hospitals and clinics in Chile, which used a 48-item questionnaire to study clinician- and patient-reported outcomes and comorbidities. Inferential analyses were performed by psoriasis severity, using Fisher exact test, Student t-test and multivariable logistic regression. Results In total, 598 adult patients with psoriasis were included (51.1% male; mean age 49.2 ± 15.1 years); 48.5% mild and 51.4% moderate to severe; Psoriasis Area and Severity Index 11.6 ± 11.5; body surface area 14.7 ± 18.2%. Plaque psoriasis was the most common phenotype (90.2%), followed by guttate (13.4%). Psoriatic arthritis occurred in 27.3% of patients. Comorbidities were reported in 60.2% of all patients with psoriasis. Frequent concomitant diseases were obesity (25.3%), hypertension (24.3%), Type 2 diabetes mellitus (T2DM) (18.7%), dyslipidaemia (17.4%), metabolic syndrome (16.7%) and depression (14.4%). After adjustment, significant associations were found between moderate to severe psoriasis and obesity, T2DM and nonalcoholic fatty liver disease (NAFLD) compared with mild psoriasis. Conclusions We report a large study of comorbidities, including depression, dyslipidaemia, T2DM and NAFLD, in people with psoriasis in Chile. The prevalence of comorbidities with psoriasis in Chile appears similar to that found in Western countries, and emphasizes the importance of assessing patients with psoriasis for risk factors for and presence of, comorbid disease in a multidisciplinary setting.

Psoriasis can involve the skin, joints, nails and cardiovascular system and result in a significant impairment in quality of life. Studies have shown a lower response rate to systemic anti-psoriatic therapies in smokers, and smoking is a trigger factor for psoriasis. The aim of this study was therefore to analyse the response to systemic therapies for psoriasis, with a focus on smoking. Prospectively collected data from patients with moderate to severe psoriasis included in the national psoriasis registries for Germany and Switzerland (PsoBest and SDNTT) were analysed. Therapy response was defined as reaching a Psoriasis Area and Severity Index (PASI) reduction of 75%, PASI ≤ 3 or Dermatology Life Quality Index (DLQI) ≤ 1. Out of 5,346 patients included in these registries, 1,264 met the inclusion criteria for this study. In the smoking group, 715 (60.6%) reached therapy response at month 3, compared with 358 (63.7%) in the non-smoking group (p ≤ 0.269), 659 (74.1%) vs. 330 (77%) reached therapy response at month 6 (p ≤ 0.097), and 504 (76.6%) vs. 272 (79.0%) at month 12 (p ≤ 0.611). Therefore, these data do not show that smoking affects the response rate of anti-psoriatic therapy after 3, 6 and 12 months.

Background: The Swiss psoriasis registry SDNTT (Swiss Dermatology Network for Targeted Therapies) records the long-term safety and effectiveness of systemic treatment regimens for psoriasis. Patients and Methods: Patients with moderate to severe psoriasis are included in the SDNTT when treatment with a conventional systemic agent or biologic is initiated that was not previously used by the respective patient. Patients are followed over a 5-year period. Clinical data are obtained every 3-6 months using standardized case report forms. Here, baseline data and follow-up data for 1 year of patients included from October 2011 until December 2014 were analyzed. Results: Within 39 months, 323 patients from 7 tertiary dermatology centers in Switzerland were recruited in the SDNTT; 165 patients received biologics and 158 conventional systemic therapies. Patients treated with biologics had a significantly higher severity (PASI 11.3 vs. 9.2, BSA 15.6 vs.11.9, psoriatic arthritis 36.4 vs. 10.8%; p ≤ 0.005, p ≤ 0.013, p ≤ 0.001) and a longer duration of illness (19.2 vs. 14.4 years, p ≤ 0.003) compared to patients starting a conventional systemic treatment. PASI reduction was satisfying in both treatment groups, with 60.6% of patients treated with biologics achieving PASI75 after 1 year compared to 54.2% of patients receiving conventional systemic drugs (nonsignificant). On average, the drug survival in patients receiving a biologic therapy was significantly longer than those receiving conventional systemic treatments (30.5 vs. 19.2 months, p ≤ 0.001). Conclusions: In the real-world setting of a prospective national therapy registry, the application of current therapeutic guidelines for patients with moderate to severe psoriasis resulted in a PASI reduction of approximately 70% within the first year of treatment, but current therapeutic targets of PASI75 and PASI90 were reached in only 58 and 36% of patients, respectively, at 1 year, highlighting a gap in efficacy between selective clinical trials and the real-world setting.