Real-World Experience of Patient-Relevant Benefits and Treatment Satisfaction with Apremilast in Patients with Psoriasis: An Analysis of the APPRECIATE Study.

INTRODUCTION: In the real-world APPRECIATE study (NCT02740218), most patients with psoriasis demonstrated notable improvements on disease severity measures and reported clinically meaningful treatment benefits with apremilast. OBJECTIVE: We aim to further describe patient-relevant needs and benefits and patient satisfaction with apremilast, including subgroup analyses based on patient characteristics. METHODS: APPRECIATE, a multinational, retrospective, cross-sectional study, enrolled patients with chronic plaque psoriasis who started apremilast according to the European label. Patient Benefit Index (PBI; range 0 (no patient-relevant benefit) to 4 (maximum patient-relevant benefit), global PBI score ≥ 1 indicating minimum patient-relevant benefit and ≥ 3 indicating high benefit) and nine-item Treatment Satisfaction Questionnaire for Medication (TSQM-9; range 0-100) were assessed 6 (± 1) months after apremilast initiation and summarized descriptively. Relationships between global PBI and TSQM-9 assessments were analyzed by Pearson correlations. RESULTS: Of 480 enrolled patients, 347 (72.3%) had remained on apremilast at 6 (± 1) months; 90.9% (300/330) achieved global PBI score ≥ 1. Mean (standard deviation) global PBI score was 2.8 (1.2). Higher achievement of global PBI score ≥ 3 was observed in patients with no prior treatments (61.1% (22/36)) or prior phototherapy (64.6% (42/65)) versus prior conventional systemic (54.4% (100/184)) or biologic (38.6% (17/44)) treatment. Strong correlations were observed between the global PBI score and the TSQM-9 global satisfaction and effectiveness subscale scores. CONCLUSION: Patients continuing apremilast for 6 (± 1) months in APPRECIATE reported patient-relevant treatment benefits. Findings suggest that receiving apremilast earlier versus later in treatment management is consistent with greater improvements in patient-relevant treatment outcomes.

Real World SB4 (Etanercept Biosimilar) Use in Patients With Psoriasis: Data from the British Association of Dermatologists Biologic Interventions Register (BADBIR).

Psoriasis is a chronic, systemic, inflammatory skin disease with a risk of comorbidities and a potential high impact on patients’ quality of life.

Fumaric acid esters for the treatment of psoriasis in Germany: characterising patients in routine care.

BACKGROUND: Fumaric acid esters (FAE) represent the most widely-used oral systemic treatment for moderate-to-severe psoriasis in Germany. Not licensed outside Germany, little is known about the demographics of patients receiving FAE. PsoBest is a large national patient registry documenting long-term treatment of psoriasis in Germany. OBJECTIVES: To evaluate FAE relative to methotrexate (MTX) in patients from the PsoBest registry. MATERIALS AND METHODS: Patient demographics, disease severity at baseline and dosing regimen were reported for patients who initiated treatment with either FAE or MTX between 2007 and 2015. RESULTS: Overall, 1,409 patients treated with FAE and 877 with MTX were analysed. At baseline, compared with the MTX cohort, patients receiving FAE were younger (45.4 vs. 50.2 years; p≤0.001) and had a lower BMI (28.0 vs. 28.3 kg/m2; p≤0.023) and less nail involvement (45.4% vs. 50.7%; p≤0.013). The MTX cohort reported a greater mean duration of illness at baseline (18.2 years vs. 14.9 years; p≤0.001). In total, 85.6% and 58.5% patients in the FAE and MTX cohorts, respectively, had not received prior systemic therapy. Cardiovascular disease was the most prevalent comorbidity (FAE: 26.7%; MTX: 31.5%; p≤0.014). Health-related quality of life was similar for both cohorts (mean DLQI: 10.8 [FAE]; 10.5 [MTX]; p≤0.079). Mean FAE dose was 165.0 mg at inclusion and 406.4 mg following up-titration. CONCLUSION: This study contributes to a better understanding of the usual practices of long-term FAE use, which may also lead to improved treatment strategies not only in Germany, but in other countries where FAE may become available in the near future.

Smoking does not Alter the Therapy Response to Systemic Anti-psoriatic Therapies: A Two-country, Multi-centre, Prospective, Non-interventional Study.

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.

[Gastrointestinal side effects of apremilast : Characterization and management]. / Gastrointestinale Beschwerden unter Apremilast : Charakterisierung und Management.

Apremilast is an oral inhibitor of phosphodiesterase-4 (PDE4) that is licensed for the second-line treatment of psoriasis and psoriatic arthritis. Data from several phase III clinical trials and real-world studies showed a good benefit-risk profile, with diarrhea and nausea as the most common adverse events. Diarrhea and nausea most frequently occurred during the first month of treatment. In most cases, they were mild or moderate in severity and tended to resolve over time with continued dosing and without intervention. In this review we summarize available data on gastrointestinal side effects of apremilast in patients with psoriasis and psoriasis arthritis and provide practical strategies for managing these symptoms.

Benefits of a membership in a psoriasis patient organisation: a quasi-experimental longitudinal study.

BACKGROUND AND OBJECTIVES: Patient organisations play an important role in supporting patients with chronic diseases and allow information transfer beyond professional care structures. Until now, only few studies have investigated the benefits of a dermatological patient organisation. In this study, potential benefits of joining the German Psoriasis Association (Deutscher Psoriasis Bund e. V., DPB) were surveyed. METHODS: The quasi-experimental longitudinal design included four groups of individuals suffering from psoriasis: those (1) with DPB membership of 5 years, (2) with voluntary new membership, (3) with randomly awarded membership, and (4) without membership. Participants were interviewed two times in 12 months, about quality of life, depression, participation in patient education classes, health status, and treatment benefits. RESULTS: 295 individuals participated (mean age 54 years; 50.3% females). At the outset of the study, participants with voluntary new membership rated their health status worse and showed higher depression scores than those with awarded membership. The proportion of participants who joined patient education classes only increased in the group of long-term members. Health status worsened in the group of non-members, and it improved in the group of those with awarded and voluntary new membership. Treatment benefit only increased in the voluntary new members group. CONCLUSIONS: DPB membership seems to be associated with some relief from psoriasis-related strains, particularly in the group of those who joined voluntarily. This could be due to the fact that individuals who become members out of their own volition are more likely to seek information and, therefore, benefit from their active engagement.

What is psoriasis? - Perception and assessment of psoriasis among the German population.

BACKGROUND: Delivery of health care to psoriasis patients plays an important role in the field of dermatology. Following the 2014 WHO resolution and the 2016 WHO global report, there has been an increase in the awareness of psoriasis among the general public. However, the perception of psoriasis by the general population remains unclear. The goal of the present study was to investigate the perception and assessment of psoriasis among the German population. PATIENTS AND METHODS: Representative telephone survey among 2,001 adults using a standardized questionnaire. Analyses with respect to place of residence, age, gender and level of education were conducted in a descriptive manner. RESULTS: Twenty-nine percent of participants were familiar with the term "Psoriasis"; 86 %, with the German designation "Schuppenflechte". Ninety-three percent considered the disease to be a significant burden for affected individuals; 59 % stated that there were effective drugs available for psoriasis; 9 % considered the disease to be communicable. Ten percent reported that they would not want to live in the same household as an affected individual; 23 % did not want to share the same swimming pool; and 27 % did not want to be in a personal relationship with someone affected. Twelve percent stated to be familiar with the WHO resolution on psoriasis; 6 % with the World Psoriasis Day; and 3 % with the "Bitte berühren" ("Please touch") campaign. CONCLUSIONS: Although a majority of the German population is familiar with the term "Schuppenflechte", there is a significant lack of knowledge about the disease as well as prejudice toward affected individuals. Further measures are required to improve the level of information and decrease stigmatization.

Was ist Schuppenflechte? - Wahrnehmung und Bewertung der Psoriasis in der deutschen Bevölkerung.

HINTERGRUND: Die Versorgung der Psoriasis vulgaris nimmt in der Dermatologie einen wichtigen Stellenwert ein. Im Zuge der WHO-Resolution 2014 und des WHO Global Reports 2016 hat die öffentliche Aufmerksamkeit für die Psoriasis zugenommen. Unklar ist, wie Psoriasis in der Allgemeinbevölkerung wahrgenommen wird. Ziel ist die Erfassung der Wahrnehmung und Bewertung von Psoriasis in der Bevölkerung. PATIENTEN UND METHODEN: Repräsentative Telefonumfrage mit 2001 Erwachsenen mittels eines standardisierten Fragebogens. Die Auswertungen erfolgten deskriptiv nach Region, Alter, Geschlecht und Bildungsstatus. ERGEBNISSE: Die Begriffe Psoriasis bzw. Schuppenflechte waren 29 % bzw. 86 % der Befragten, bekannt. 93 % schätzten die Krankheit als sehr belastend für die Betroffenen ein, 59 % nahmen an, dass es wirksame Medikamente gegen Schuppenflechte gibt und 9 % hielten diese Erkrankung für ansteckend. 10 % würden nicht mit einer betroffenen Person im Haushalt leben wollen, 23 % nicht mit Betroffenen ins Schwimmbad gehen und 27 % nicht in einer Partnerschaft sein. 12 % gaben an, die WHO-Resolution zur Psoriasis zu kennen, 6 % den Weltpsoriasistag und 3 % die Kampagne "Bitte berühren". SCHLUSSFOLGERUNGEN: Wenngleich einer Mehrheit in der deutschen Bevölkerung die Schuppenflechte bekannt ist, bestehen deutliche Wissensdefizite und teilweise Vorurteile gegenüber dieser Erkrankung. Weitergehende Maßnahmen zur besseren Information und zur Minderung der Stigmatisierung sind notwendig.

Biosimilars in der Dermatologie - Theorie wird Realität.

Biosimilars sind biologische Medikamente, bei denen es sich um Nachbildungen eines spezifischen Referenzprodukts handelt. Biosimilars der Tumornekrosefaktor-alpha-Inhibitoren Infliximab und Etanercept sind bereits zugelassen und stehen für dermatologische Indikationen zur Verfügung. Die Aufsichtsbehörden verlangen eine eingehende Analyse der physikochemischen und funktionellen Eigenschaften dieser hochkomplexen Moleküle sowie klinische Daten hinsichtlich ihrer gleichwertigen Wirksamkeit und Sicherheit anhand mindestens einer klinischen Studie mit einer sensitiven und homogenen Population. Für die Zulassung in einem regulierten Arzneimittelmarkt muss daher nachgewiesen werden, dass die Biosimilars praktisch gleichwertig mit dem jeweiligen Originalpräparat sind. Demzufolge werden diese Daten von einem Molekül (dem Originator) auf das andere (das Biosimilar) extrapoliert und die resultierende Zulassung umfasst die gleichen Indikationen wie beim Originalpräparat. Die Extrapolation ist zwar gut akzeptiert und reguliert, es fehlen jedoch klare Empfehlungen hinsichtlich der Austauschbarkeit von Originator und Biosimilar ebenso wie Daten über mehrmalige aufeinanderfolgende Umstellungen. Die aktuellen wissenschaftlichen Erkenntnisse stehen einer Anwendung von Biosimilars bei dermatologischen Indikationen nicht entgegen. Eine mehrmalige Umstellung der Biosimilars sollte jedoch sorgfältig überdacht werden. Um das Vertrauen in Biosimilars zu festigen und ihre Evidenz zu verbessern, ist es essentiell das spezifische Produkt, das jeder Patient erhält, möglichst genau und möglichst im Rahmen von Patientenregister zu dokumentieren.

Biosimilars in Dermatology - theory becomes reality.

Biosimilars are biological medicines that are analogues of a specific reference product. Biosimilars of the tumor necrosis factor alpha inhibitors infliximab and etanercept are already approved and available for dermatological indications. Regulatory agencies require in-depth analysis of physicochemical and functional properties of these highly complex molecules as well as clinical data on their similarity regarding efficacy and safety in at least one clinical trial in a sensitive and homogeneous population. Thus, it must be shown that biosimilars are essentially the same as the originator product if they are to be licensed in regulated drug markets. As a consequence, these data are extrapolated from one molecule (the originator) to another (biosimilar) resulting in an approval that includes the same indications as the originator product. While extrapolation is well accepted and regulated, clear recommendations regarding the interchangeability of originators and biosimilars as well as data on multiple consecutive switching are missing. Current scientific knowledge does not argue against the use of biosimilars for dermatological indications, but sequential switching of biosimilars should be considered carefully. To increase confidence and enhance evidence for biosimilars, accurate documentation of the specific products given to each patient is essential and should preferably be included in patient registries.

Ustekinumab in the treatment of palmoplantar pustular psoriasis - a case series of nine patients.

BACKGROUND: Palmoplantar pustular psoriasis is a chronic inflammatory skin disease that is associated with considerable impairment in quality of life and resilience. Given the lack of approved pharmacological agents for this indication and the frequently recalcitrant disease course, therapeutic options are limited. PATIENTS AND METHODS: Following unsatisfactory therapeutic attempts with other treatment modalities, nine patients (six women; three men) were treated with ustekinumab (45 mg in individuals < 100 kg body weight, 90 mg in individuals > 100 kg) at weeks 0, 4, 12, and 24. Latent tuberculosis was ruled out prior to treatment. Regular follow-up was done at week 4 and 12, and every 12 weeks thereafter. RESULTS: Average age at the beginning of treatment was 48 years. Four patients achieved 75 % improvement in the palmoplantar Psoriasis Area Severity Index (PASI). Overall, there was an average improvement in the palmoplantar PASI of 71.6 % after 24 weeks. Two patients exhibited complete resolution after 24 weeks. Besides local injection site reactions and mild infections, no adverse effects were observed. CONCLUSIONS: This case series provides further evidence for the effectiveness and tolerability of ustekinumab in the treatment of palmoplantar pustular psoriasis. Controlled studies and observations in the context of patient registries are required to assess long-term efficacy and safety as well as the potential therapeutic benefit of intermittent therapy.

Ustekinumab in der Therapie der Pustulosis palmoplantaris - Eine Fallserie mit neun Patienten.

HINTERGRUND: Die Pustulosis palmoplantaris ist eine chronisch entzündliche Hauterkrankung, die mit bedeutenden Einschränkungen der Lebensqualität und der Belastbarkeit einhergeht. Aufgrund von Zulassungsbeschränkungen und einem häufig therapierefraktären Verlauf sind die Behandlungsmöglichkeiten limitiert. PATIENTEN UND METHODIK: Nach zuvor frustranen Therapien erhielten 9 Patienten mit Pustulosis palmoplantaris nach Ausschluss einer latenten Tuberkulose Ustekinumab (45 mg Ustekinumab bei < 100 kg Körpergewicht [KG], 90 mg Ustekinumab > 100 kg KG) in Woche 0, 4, 12 und 24. Reguläre Visiten erfolgten nach 4 und 12 Wochen, im weiteren Verlauf alle 12 Wochen. ERGEBNISSE: Das Durchschnittsalter bei Therapiebeginn betrug 48 Jahre. Drei Patienten waren männlich. Bei n  =  4 Patienten (44,4 %) wurde eine Verbesserung um 75 % des Palmoplantar-Psoriasis-Area-Severity-Index (PPPASI) erreicht. Insgesamt verbesserte sich der PPPASI nach 24 Wochen durchschnittlich um 71,6 %. Eine komplette Abheilung zeigte sich bei n  =  2 Patienten nach 24 Wochen. Bis auf lokale Injektionsreaktionen und leichte Infekte wurden keine unerwünschten Wirkungen beobachtet. SCHLUSSFOLGERUNGEN: Die Fallserie ist ein weiterer Beleg für die Wirksamkeit und Verträglichkeit von Ustekinumab in der Therapie der Pustulosis palmoplantaris. Zur Beurteilung der Langzeitwirkung und -sicherheit sowie der Wirksamkeit einer intermittierenden Therapie sind kontrollierte Studiendaten sowie Beobachtungen im Rahmen von Patientenregistern notwendig.

Quality of psoriasis care in Germany: results of the national health care study "PsoHealth3".

Two national surveys conducted in 2005 and 2007 indicated deficits in psoriasis care and induced the composition of the ''National Goals for Health Care in Psoriasis 2010-2015''. The aim of this work was to (1) evaluate the quality of care for patients with psoriasis in Germany, (2) compare this with prior psoriasis studies PsoHealth1 (2005) and PsoHealth2 (2007), and (3) review the implementation of national treatment goals. By means of a cross sectional study the following indicators of health care quality were collected: psoriasis severity (Psoriasis Area Severity Index (PASI) and proportion of PASI >20), quality of life (Dermatology Life Quality Index (DLQI) were corporated: proportion of DLQI >10), previous systemic treatment, inpatient treatment, and days absent from work due to psoriasis. Between January 2013 and March 2014, 1265 patients from 82 dermatological centres were included (mean age of 52 years). 9.2 % had a PASI >20 (2007: 11.6 %; 2005: 17.8 %). 21.3 % reported strong quality of life restrictions (DLQI >10) (2007: 28.2 %; 2005: 34.0 %). 59.5 % had received a systemic treatment at least once within the last 5 years (2007: 47.3 %; 2005: 32.9 %). 20.1 % were treated inpatient within the last 5 years (2007: 20.1 %; 2005: 26.9 %). The current data indicate a better health care situation for psoriasis in Germany. The implementation of the S3-Guideline and the ''National Goals for Health Care in Psoriasis 2010-2015'' could have been contributing factors.

Treatment Satisfaction in Psoriasis: Development and Use of the PsoSat Patient Questionnaire in a Cross-Sectional Study.

INTRODUCTION: Evidence supports the potential value of matching patient preferences to treatment recommendations. The aim of the study was to design and validate a questionnaire on treatment satisfaction for clinical decision-making. METHODS: We performed a comprehensive literature search identifying measurable indicators. The complete item pool was condensed to a core set by a multidisciplinary expert panel and tested in a multicentre, observational, cross-sectional study. RESULTS: The questionnaire consisted of 8 questions, rated on a 5-point Likert scale. In total, 213 dermatology centres included 2,084 patients. The mean disease duration was 19 years. A majority of patients (82.8%) was moderately to very satisfied. 108 patients (5.8%) felt to be bothered by side effects, and 32.1% ascertained that the current therapy had been conducted for too long without success. DISCUSSION: The PsoSat Questionnaire was shown to be a reliable and valid instrument for measuring therapy-related satisfaction. Further research on its implementation in clinical decision-making is necessary to finally evaluate the benefit of this tool.

Quality of Life in Patients with Atopic Dermatitis: Disease Burden, Measurement, and Treatment Benefit.

Health-related quality of life (HRQoL) is often markedly impaired in both adults and children with atopic dermatitis. The quality of life of the parents of infants or children with this chronic disease is also affected owing to problems such as itch-induced sleeping problems and treatment effort. As HRQoL is only partly associated with disease severity, both parameters should be evaluated in research and clinical practice. For the measurement of HRQoL, both skin- and disease-specific questionnaires are available in addition to generic instruments. In randomized controlled trials on atopic dermatitis, HRQoL is most commonly evaluated with the Dermatology Life Quality Index for use in adults and related questionnaires for children and families, such as the Children's Dermatology Life Quality Index. There is evidence that different treatment modalities may be effective in improving HRQoL in adults, children, and parents, which is supported by the patients' own evaluation of treatment benefit in an observational study.

Patient-relevant treatment goals in psoriasis.

Patient-oriented care requires therapeutic decisions to agree with the patients' treatment needs and goals. This study addressed the following questions: What is important to psoriasis patients starting systemic treatment? How stable are these preferences within the first year of treatment? Are treatment goals associated with age, gender, or treatment success? The importance of treatment goals was assessed for patients with moderate-to-severe psoriasis in the German Psoriasis Registry (PsoBest) at baseline (onset of a systemic treatment; n = 3066) and at a 1-year follow-up (n = 1444) using the Patient Benefit Index (PBI). Treatment success was measured with PBI global score and Psoriasis Area Severity Index (PASI). Patients with moderate-to-severe psoriasis pursued a wide range of different goals. The most general treatment goals were rated most relevant, including skin healing and quick skin improvement (94.8/94.5 % "quite" or "very" important), confidence in the therapy (93.0 %), control over the disease (92.3 %), and a clear diagnosis and therapy (89.6 %). Further important goals related to not being in fear of the disease getting worse (84.8 %), reduction in itching (83.9 %), burning (70.6 %), and pain (60.6 %) as well as attaining a normal everyday life (78.4 %) and low treatment burden (64.2-77.9 %). Goals were mostly not associated with sex and gender. Goal importance slightly increased with treatment success. In a substantial proportion of patients (30.3-54.7 %) goal importance changed within 1 year after onset of systemic treatment. We conclude that treatment goal importance should be assessed in clinical practice on a regular basis.

Prevalence of Obesity in Patients with Psoriasis: Results of the National Study PsoHealth3.

BACKGROUND: Psoriasis is frequently associated with obesity which possibly contributes to reduced treatment response. OBJECTIVES: Assessment of the prevalence of obesity in patients with psoriasis in Germany 2013/2014. PATIENTS AND METHODS: The frequency of overweight and obesity was assessed by the body mass index (BMI) and evaluated according to the severity of psoriasis [Psoriasis Area and Severity Index (PASI)]. RESULTS: This national, cross-sectional survey involved 83 dermatological practices and outpatient clinics, including 1,265 patients (mean age 52 years; 43.4% female). The BMI of patients with psoriasis in 2013/2014 was found to be 28.0 and therefore was significantly higher compared to that of patients with psoriasis in 2007 with a BMI of 26.9 as well as compared to the normal population in 2013 with an overall BMI of 25.9. CONCLUSIONS: The prevalence of obesity in patients with psoriasis is higher than in the normal population. The trend towards a higher BMI in patients with psoriasis continues over time.

Early detection of comorbidity in psoriasis: recommendations of the National Conference on Healthcare in Psoriasis.

BACKGROUND: Psoriasis is associated with an increased rate of comorbidities, whose early detection has been adopted into the national healthcare goals. To date, agreed recommendations on early detection in the context of routine dermatological care are missing. The objective of this study was the interdisciplinary development of screening algorithms. METHODS: The development of the consensus paper was based on a three-step process. First, the National Conference on Healthcare in Psoriasis, convening on behalf of the German Society of Dermatology (DDG) and the Professional Association of German Dermatologists (BVDD), developed a definition of the requirements, areas of application, conception, and methodology of a screening tool. Secondly, based on a literature search, individual working groups compiled evidence for the use of screening parameters. In a third step, an interdisciplinary working group adopted the algorithms in a Delphi consensus process. RESULTS: The associated working groups evaluated more than 2,000 publications on 15 different comorbidities. A screening algorithm was agreed on for the following twelve indications: arterial hypertension, dyslipidemia, obesity, diabetes mellitus, metabolic syndrome, nonalcoholic steatohepatitis, depression, nicotine abuse, alcohol abuse, chronic inflammatory bowel disease, psoriasis arthritis, and malignant lymphoma. In this context, the requirements of everyday dermatological care were addressed in particular. CONCLUSIONS: With respect to screening for comorbidities in psoriasis, standardized and consented algorithms are available, which - on national level - may be implemented as a screening tool within the framework of PsoNet - German Psoriasis Networks.

Epidemiology and Comorbidity in Children with Psoriasis and Atopic Eczema.

BACKGROUND: First studies have shown that juvenile psoriasis is associated with an increased prevalence of comorbidity. OBJECTIVES: We carried out a data analysis to characterise the profiles of comorbidity in children with psoriasis and atopic eczema. METHODS: Prevalence data were derived from the database of a German statutory health insurance company according to ICD-10 codes L40 (psoriasis) and L20 (atopic eczema) of children up to 18 years insured in 2009. RESULTS: Data sets included 1.64 million persons and 293,181 children. 1,313 children = 0.45% (0.42-0.47) had a diagnosis of psoriasis and 30,354 = 10.35% (10.24-10.47) had a diagnosis of atopic eczema. Obesity, hyperlipidaemia, arterial hypertension and diabetes were more often diagnosed in children with psoriasis in comparison to all children without psoriasis and to those with atopic eczema. CONCLUSION: Children with psoriasis and atopic eczema show different and specific patterns of comorbidity which should be detected early and treated adequately.