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Real-world data on anatomically localized psoriasis and its response to systemic therapy across different age-groups and sexes is limited. This study aimed to evaluate the severity and distribution of psoriasis over time in female and male patients receiving systemic therapies, categorized by age within the Swiss psoriasis registry (SDNTT). Patient-data was obtained over 11 years through the SDNTT. The localized Psoriasis Area and Severity Index (locPASI) of the head, trunk, upper and lower extremities was analyzed over two years following the start of systemic non-/biologic treatment. A total of 316 female and 517 male patients were analyzed. Male patients had a higher baseline locPASI for legs, trunk and arms (p < 0.001), but not for the head (p = 0.961). The locPASI for the head in younger female patients (18–40 years) had a higher score than those aged 55 + (p = 0.022) and after two years, middle aged (41–54) showed a lower score compared to younger patients (p = 0.045). Younger male patients revealed a lower score after two years of therapy in the leg- and arm-area compared to older (p = 0.018 and p = 0.048, respectively). Female patients on non-biologics had a fast initial response, converging with male patients’ scores over 24 months. Over 75% locPASI reduction was observed for female head-area (81.4%), male trunk (82.7%) and legs (76.1%). Absolute locPASI ≤ 2 was achieved 3–6 months for all locations with interleukin (IL)-17, IL-12/23 and IL-23-inhibitors, except for the legs of male patients on anti-IL-17 and female patients on anti-IL-12/23 and -IL-23. After two years, male patients did not achieve a locPASI ≤ 2 for any biologic-treatment in the legs, nor for the arms on anti-TNF-α. Significant disparities in localized PASI were observed between female and male patients. The age, sex and severity of distinct localizations should be considered to optimize treatment goals. [ABSTRACT FROM AUTHOR]

Atopic dermatitis is one of the most common inflammatory skin diseases among children and adults. Over the last 5 years, the armamentarium for the treatment of this disease, with both topical and systemic drugs, has increased. Treat-to-target is basically the concept where a treatment goal and a time frame for that goal is set at initiation of a new treatment, and if the goals are not achieved in time, treatment will be adjusted. In clinical trials, treatment targets are based on scoring systems for disease severity as recommended by the Harmonizing Outcome Measure for Eczema (HOME) initiative, with the primary endpoint being a reduction of at least 75% of the baseline Eczema Area and Severity Index (EASI) score (EASI-75). The question, however, is if these are useful targets in real-world settings and how this should be implemented in everyday clinical practice. In rheumatology, setting a measurable target and a time frame for an instigated therapy has been shown to lead to more efficient and successful treatment. For atopic dermatitis, the instruments recommended by HOME form the core outcome measures for the treat-to-target frameworks published to date, which are based on expert consensus and Delphi processes. Although atopic dermatitis patients have a high risk of co-morbidities, including physical, psychological and socioeconomic, instruments to measure the severity of co-morbidities have not been included in these existing frameworks. In order to apply a treat-to-target strategy that is meaningful for both the patient and the doctor, validated tools for the measurement of treatment effect on co-morbidities exist and should be included in a shared decision-making process with the individual patient when choosing which targets to aim for and what should be considered treatment success. An obvious limitation for the implementation of a treat-to-target strategy in the clinical setting with atopic dermatitis is that retrieving the data needed is very time consuming. This could to some degree be mitigated by the use of electronic applications in which patients could report their outcomes. [ABSTRACT FROM AUTHOR]

Studies examining the association between type 1 diabetes (T1D) and atopic diseases, i.e., atopic dermatitis, allergic rhinitis and asthma have yielded conflicting results due to different algorithms for classification, sample size issues and risk of referral bias of exposed cohorts with frequent contact to health care professionals. Using Danish national registries and well-established disease algorithms, we examined the bidirectional association between T1D and atopic diseases in childhood and adolescence using Cox Proportional Hazard regression compared to two different unexposed cohorts from a population of 1.5 million Danish children born from 1997 to 2018. We found no associations between T1D and atopic dermatitis, allergic rhinitis, or asthma (defined after age five). However, in multivariable analysis we found an increased risk of persistent wheezing (defined as asthma medication before age five) after T1D with an adjusted hazard ratio (aHR) of 1.70 [1.17–2.45]. We also identified an increased risk of developing T1D after persistent wheezing with aHR of 1.24 [1.13–1.36]. This study highlights similar risks of atopic diseases in children with T1D and of T1D in children with atopic disease after age of five years versus healthy controls. However, more research is needed to understand the possible early immunological effects of the link between persistent wheezing and T1D. [ABSTRACT FROM AUTHOR]

Introduction: Atopic dermatitis (AD) is a chronic, inflammatory skin disease characterized by heterogeneous clinical phenotypes and high symptom burden, especially through itch. Baricitinib (BARI), an oral Janus Kinase 1/2 inhibitor, is approved in Europe, Japan, and other countries, for treatment of adults with moderate-to-severe AD who are candidates for systemic therapy. This post hoc analysis of a Phase 3 topical corticosteroid (TCS) combination therapy trial (BREEZE-AD7) aims to characterize patients who might benefit most from BARI. Method: Classification and regression tree (CART) analysis was used to identify baseline predictors for patients treated with BARI 4-mg, who achieved ≥ 75% improvement in Eczema Area and Severity Index (EASI75), or EASI75 or Itch Numerical Rating Scale (NRS) ≥ 4-point improvement at week 16 (responders), versus non-responders. Subgroup efficacy analyses were performed based on identified predictor variables, combined with Itch NRS < 7/ ≥ 7. Missing data were imputed as non-responder. Results: Baseline body surface area (BSA) was identified by CART as strongest variable predicting response to BARI at week 16, with a cut-off around 40% (BSA ≤ 40%). When combining BSA with itch severity, highest response rates were achieved by BARI patients with BSA ≤ 40%/Itch NRS ≥ 7 at baseline. In this subgroup, 69% and 58% of patients treated with BARI 4-mg achieved EASI75 and Itch NRS ≥ 4-point response at week 16, respectively. While these response rates were 65% and 50% for BARI 4-mg patients with baseline BSA ≤ 40%/Itch NRS < 7, they were 33% and 11% in BSA > 40%/Itch NRS < 7, and 32% and 49% in BSA > 40%/Itch NRS ≥ 7 subgroups, respectively. Conclusion: Using a machine learning approach, patients with moderate-to-severe AD and a BSA affecting 10–40% and Itch NRS ≥ 7 were characterized as likely to benefit most from BARI 4-mg TCS combination therapy. This was confirmed by subgroup analyses, which showed that these patients are most likely to show favorable response rates in improving AD signs and symptoms, specifically itch, after 16 weeks of treatment. [ABSTRACT FROM AUTHOR]

Background: Traditional systemic immunosuppressants and advanced therapies improve signs and symptoms of moderate-to-severe atopic dermatitis (AD). However, data are limited in severe and/or difficult-to-treat AD. In the phase 3 JADE COMPARE trial of patients with moderate-to-severe AD receiving background topical therapy, once-daily abrocitinib 200 mg and 100 mg showed significantly greater reductions in the symptoms of AD than placebo and significantly greater improvement in itch response (with abrocitinib 200 mg) than dupilumab at week 2. Objective: This study assessed the efficacy and safety of abrocitinib and dupilumab in a subset of patients with severe and/or difficult-to-treat AD in a post hoc analysis of the JADE COMPARE trial. Methods: Adults with moderate-to-severe AD received once-daily oral abrocitinib 200 mg or 100 mg, dupilumab 300 mg subcutaneous injection every 2 weeks, or placebo with concomitant medicated topical therapy. Severe and/or difficult-to-treat AD subgroups were classified by baseline characteristics [Investigator's Global Assessment (IGA) 4, Eczema Area and Severity Index (EASI) > 21, failure or intolerance to prior systemic agents (excluding patients who took only corticosteroids), percentage of body surface area (%BSA) > 50, upper quartiles of EASI (EASI > 38) and %BSA (%BSA > 65), and combined subgroup of IGA 4, EASI > 21, and %BSA > 50, and failure or intolerance to prior systemic agents (excluding patients who took only corticosteroids)]. Assessments included IGA score of 0 (clear) or 1 (almost clear) and a ≥ 2-point improvement from baseline, ≥ 75% and ≥ 90% improvement from baseline in EASI (EASI-75 and EASI-90), ≥ 4-point improvement from baseline in Peak Pruritus-Numerical Rating Scale (PP-NRS4), time to PP-NRS4, least squares mean (LSM) change from baseline in 14-day PP-NRS (days 2–15), Patient-Oriented Eczema Measure (POEM), and Dermatology Life Quality Index (DLQI) up to week 16. Results: The proportion of patients achieving IGA 0/1, EASI-75, and EASI-90 responses was significantly greater with abrocitinib 200 mg than placebo (nominal p < 0.05) across all subgroups with severe and/or difficult-to-treat AD. Across most subgroups, PP-NRS4 response was significantly greater with abrocitinib 200 mg than placebo (nominal p < 0.01); the time to achieve this response was shorter with abrocitinib 200 mg (range 4.5–6.0 days) than abrocitinib 100 mg (range 5.0–17.0 days), dupilumab (range 8.0–11.0 days), and placebo (range 3.0–11.5 days). LSM change from baseline in POEM and DLQI was significantly greater with abrocitinib 200 mg than placebo (nominal p < 0.001) across all subgroups. Clinically meaningful differences were observed between abrocitinib and dupilumab for most evaluated endpoints across several subgroups, including in patients who failed or were intolerant to prior systemic therapy. Conclusions: Abrocitinib provided rapid and substantially greater improvements in skin clearance and quality of life compared with placebo and dupilumab in subgroups of patients with severe and/or difficult-to-treat AD. These findings support the use of abrocitinib for severe and/or difficult-to-treat AD. Trial registration: ClinicalTrials.gov, NCT03720470. Plain Language Summary: Atopic dermatitis (AD), also known as atopic eczema, is a skin disease that causes itchy and red skin patches. People can be diagnosed with severe and/or difficult-to-treat AD if their signs and symptoms of AD are extremely severe and their AD cannot be adequately treated by common medicines. Abrocitinib is a treatment that has been shown in clinical trials to improve the symptoms of AD. We analyzed data from the JADE COMPARE study, which included 837 people who were treated with abrocitinib, dupilumab (another treatment for AD), or placebo. Many of these people had severe symptoms when they entered the study. Some had AD signs and symptoms that did not improve after they took common medicines for AD. We studied how well abrocitinib worked in these people with severe and/or difficult-to-treat AD. We found that these people achieved clear skin and itch relief at week 16 after treatment with abrocitinib 200 mg compared with placebo (no drug control). Additionally, they achieved significant relief from itch faster with abrocitinib 200 mg compared with abrocitinib 100 mg, dupilumab, or placebo. People reported less severe AD and better quality of life after treatment with abrocitinib compared with placebo. Together, the findings of our study provide important evidence for healthcare providers as they determine a treatment plan for people with severe and/or difficult-to-treat AD. [ABSTRACT FROM AUTHOR]

Background: Lebrikizumab is a monoclonal antibody that binds with high affinity to interleukin (IL)-13, thereby blocking the downstream effects of IL-13 with high potency. Objectives: To report integrated safety of lebrikizumab in adults and adolescents with moderate-to-severe atopic dermatitis from phase 2 and 3 studies. Methods: Five double-blind, randomized placebo-controlled studies; one randomized open-label study; one adolescent open-label, single-arm study; and one long-term safety study were summarized in two datasets: (1) placebo-controlled week 0–16 (All-PC Week 0–16) in patients who received lebrikizumab 250 mg every 2 weeks (LEBQ2W) versus placebo and (2) patients who received any dose of lebrikizumab at any time during the studies (All-LEB). Exposure-adjusted incidence rates (IR)/100 patient-years (PY) are provided. Results: A total of 1720 patients received lebrikizumab (1637.0 PY exposure). In All-PC Week 0–16, the frequency of treatment-emergent adverse events (TEAEs) was similar between treatment groups; most events were nonserious and mild or moderate in severity. The most frequently reported TEAEs were atopic dermatitis (placebo) and conjunctivitis (LEBQ2W). Frequencies of conjunctivitis cluster were 2.5% (placebo) and 8.5% (LEBQ2W), and all events were mild or moderate (All-LEB 10.6%, IR, 12.2). Frequencies of injection site reactions were 1.5% (placebo) and 2.6% (LEBQ2W; All-LEB 3.1%, IR, 3.3). Frequencies of adverse events leading to treatment discontinuation were 1.4% (placebo) and 2.3% (LEBQ2W; All-LEB 4.2%, IR, 4.5). Conclusion: The safety profile for lebrikizumab consisted of TEAEs that were mostly nonserious, mild or moderate in severity, and did not lead to treatment discontinuation. The safety profile was similar in both adults and adolescents. Clinicaltrials.gov: NCT02465606, NCT02340234, NCT03443024, NCT04146363, NCT04178967, NCT04250337, NCT04250350, NCT04392154 87Goioj2s3YFhSk64fjZWv Safety of lebrikizumab in adults and adolescents with moderate-to-severe atopic dermatitis: an integrated analysis of eight clinical trials (MP4 34165 KB) Plain Language Summary: Atopic dermatitis (AD) is a common chronic (persistent) skin disease that occurs in up to 7% of adults and approximately 20% of children. Lebrikizumab is a monoclonal antibody that goes against interleukin-13, which is overexpressed in patients with AD. Lebrikizumab is given by injection and is being studied to treat AD. It has been tested in several studies in both adults and adolescents (patients age ≥ 12 – < 18 years). In some of those studies, patients used lebrikizumab by itself, and in other studies patients used lebrikizumab in combination with low-to-moderate strength topical (rubbed on the skin) corticosteroid medicines. We examined the safety of lebrikizumab by combining the data from eight of those studies and analyzing the data in two datasets. The first dataset compared the safety of lebrikizumab 250 mg injected every 2 weeks with placebo (no drug in the injection) in four 16-week studies in which neither patient nor physician knew whether lebrikizumab or placebo was being injected. The second dataset included four additional studies and examined the safety of lebrikizumab in all patients receiving at least 1 injection of lebrikizumab at any dose. A total of 1720 patients took lebrikizumab. In the first dataset the frequency of adverse events was similar between lebrikizumab and placebo, and most events that did occur were mild or moderate in severity and were not serious. The most common adverse event in patients treated with placebo was atopic dermatitis, and in patients treated with lebrikizumab it was conjunctivitis. Frequencies of adverse events in the conjunctivitis cluster, which included a search for the terms of conjunctivitis, allergic conjunctivitis, bacterial conjunctivitis, viral conjunctivitis, and giant papillary conjunctivitis, were 2.5% in placebo and 8.5% in lebrikizumab, and all events were mild or moderate. Frequencies of injection site reactions were 1.5% in placebo and 2.6% in lebrikizumab, and frequencies of adverse events that led to patients stopping treatment were 1.4% in placebo and 2.3% in lebrikizumab. In the second dataset, the rate of these adverse events did not increase with longer duration of lebrikizumab. The safety profile for lebrikizumab consisted of adverse events that were mostly nonserious, mild or moderate in severity, and did not lead to stopping treatment. The safety profile was similar in both adults and adolescents. [ABSTRACT FROM AUTHOR]

Background: Chronic hand eczema (CHE) significantly impacts quality of life. Published literature on pediatric CHE (P-CHE) in North America including knowledge on epidemiology and standard evaluation and management is limited. Objective: Our objective was to assess diagnostic practices when evaluating patients with P-CHE in the US and Canada, produce data on therapeutic agent prescribing practices for the disorder, and lay the foundation for future studies. Methods: We surveyed pediatric dermatologists to collect data on clinician and patient population demographics, diagnostic methods, therapeutic agent selection, among other statistics. From June 2021 to January 2022, a survey was distributed to members of the Pediatric Dermatology Research Alliance (PeDRA). Results: Fifty PeDRA members responded stating that they would be interested in participating, and 21 surveys were completed. For patients with P-CHE, providers most often utilize the diagnoses of irritant contact dermatitis, allergic contact dermatitis, dyshidrotic hand eczema, and atopic dermatitis. Contact allergy patch testing and bacterial hand culture are the most used tests for workup. Nearly all utilize topical corticosteroids as first line therapy. Most responders report that they have treated fewer than six patients with systemic agents and prefer dupilumab as first-line systemic therapy. Conclusions: This is the first characterization of P-CHE among pediatric dermatologists in the United States and Canada. This assessment may prove useful in designing further investigations including prospective studies of P-CHE epidemiology, morphology, nomenclature, and management. [ABSTRACT FROM AUTHOR]

Extracellular matrix (ECM) remodeling of the skin is a continuous process necessary for maintaining tissue homeostasis. Type VI collagen (COL6) is characterized as a beaded filament, located in the dermal ECM, where COL6-α6-chain has been demonstrated upregulated in atopic dermatitis. The aim of this study was to develop and validate a competitive ELISA, targeting the N-terminal of COL6-α6-chain, named C6A6, and evaluate its associations with the dermatological condition's atopic dermatitis, psoriasis, hidradenitis suppurativa, systemic lupus erythematosus, systemic sclerosis, urticaria, vitiligo, and cutaneous malignant melanoma in comparison, to healthy controls. A monoclonal antibody was raised and employed in an ELISA assay. The assay was developed, technically validated, and evaluated in two independent patient cohorts. Cohort 1 showed C6A6 was significantly elevated in patients with atopic dermatitis (p < 0.0001), psoriasis (p < 0.0001), hidradenitis suppurativa (p = 0.0095), systemic lupus erythematosus (p = 0.0032) and melanoma (p < 0.0001) compared to healthy donors. Cohort 2 confirmed C6A6 being upregulated in atopic dermatitis compared to healthy controls (p < 0.0001), but also associated with disease severity (SCORAD, p = 0.046) and lowered in patients receiving calcineurin inhibitors (p = 0.014). These findings are hypothesis generating, and the utility of the C6A6 biomarker for disease severity and treatment response needs to be validated in larger cohorts and longitudinal studies. [ABSTRACT FROM AUTHOR]

Background: Abrocitinib, an oral Janus kinase 1 inhibitor, provided significant itch relief by week 2 in patients with moderate-to-severe atopic dermatitis (AD) in the phase III JADE COMPARE trial. Objectives: This post-hoc analysis of JADE COMPARE aimed to further characterize itch response and determined whether early itch relief could predict subsequent improvements in AD severity. Methods: JADE COMPARE was a randomized, double-blind, double-dummy, placebo-controlled trial. Adult patients (aged ≥ 18 years) with moderate-to-severe AD were randomly assigned to receive oral abrocitinib 200 mg or 100 mg once daily, subcutaneous dupilumab 300 mg every other week (after a 600-mg loading dose), or placebo, plus medicated topical therapy for 16 weeks. Assessments were ≥ 4-point improvement in Peak Pruritus Numerical Rating Scale (PP-NRS4) from days 2 to 15, Eczema Area and Severity Index (EASI), Investigator's Global Assessment (IGA) response, and Dermatology Life Quality Index (DLQI) scores at week 12. Association between week 2 PP-NRS4 and efficacy at week 12 was evaluated by chi-squared tests. The predictive value of early response for later efficacy was assessed by area under the receiver operating characteristic curve. Results: As early as day 4 after treatment, a significantly greater proportion of patients achieved PP-NRS4 response with abrocitinib 200 mg (18.6%) versus dupilumab (5.6%; p < 0.001) and placebo (6.0%; p < 0.003). A similar trend was observed with abrocitinib at the 100-mg dose, with significantly greater PP-NRS4 response rates versus placebo as early as day 9. With both doses of abrocitinib, week 12 IGA 0/1, EASI-75, EASI-90, and DLQI 0/1 response rates were greater in week 2 PP-NRS4 responders than nonresponders; no differences were observed between week 2 PP-NRS4 responders and nonresponders in the dupilumab and placebo groups. Early improvement in PP-NRS at week 2 was associated with skin clearance at week 12 in abrocitinib-treated patients. Conclusions: Abrocitinib resulted in rapid relief from itch in patients with moderate-to-severe AD, with significant improvement in itch as early as day 4 after treatment with abrocitinib 200 mg compared with dupilumab and placebo. Abrocitinib-induced itch relief by week 2 was associated with subsequent improvements at week 12. [Video abstract available.] Trial registration: ClinicalTrials.gov identifier: NCT03720470. 2fQ_82bhGurT9XTD9WAh-8 Early itch response with abrocitinib is associated with later efficacy outcomes in patients withmoderate-to-severe atopic dermatitis: subgroup analysis of the randomized phase III JADE COMPARE trial (MP4 335,375kb) Plain Language Summary: An investigation into whether quick relief from itch with abrocitinib, a new medicine for atopic dermatitis, leads to later improvements in skin rash Atopic dermatitis (AD), also called atopic eczema, is a skin disease that affects people throughout their lives. About 10% of adults worldwide have AD. Itch is the most bothersome symptom reported by people with AD and scratching this itch can damage the skin, resulting in painful sores. It is unknown if relief from itch can influence other symptoms of AD. We analyzed data from the JADE COMPARE study, which included 837 people who received treatment with abrocitinib, dupilumab or placebo. We studied how fast itch relief occurred after people received these treatments. We also wanted to study if rapid itch relief was associated with improvement in other signs of AD later on with continued treatment. We found that as early as 4 days after treatment, abrocitinib 200 mg provided significant relief from itch compared with dupilumab or placebo. People who had rapid itch relief within 2 weeks of treatment with abrocitinib were more likely to have clear or almost clear skin and improved quality of life after 12 weeks of continued treatment with abrocitinib. Rapid itch relief did not appear to increase the likelihood of clear skin at week 12 in people who received dupilumab. Larger studies are needed to confirm this result. This study provides important evidence for physicians as they analyze itch relief and determine treatment options for people with AD. [ABSTRACT FROM AUTHOR]

There has been no extensive synthesis of studies evaluating the cost of chronic hand eczema (CHE). This review evaluated the societal costs, healthcare resource utilisation, missed work time and job loss due to CHE. MEDLINE and 16 other databases and websites were searched in October 2020 for studies meeting prespecified inclusion criteria. Studies conducted in Europe, Australia, New Zealand or the Americas were included. Two reviewers independently assessed titles and abstracts, and full-text papers published in English between 2000 and 2020, for relevance. Data extraction was carried out by one reviewer and checked by a second reviewer. All data were based on costs between 2001 and 2013 but have been inflated to 2020 prices and converted to US dollars and Euros. A total of 30 studies (reported in 33 publications) were included in the synthesis. Mean total societal costs per year per patient ranged from $2549 (€1813) to $10,883 (€7738). Pharmacological therapy was, on average, $28.34 (€20.15) per month in Italy and $36.49 (€25.94) per month for emollients in Switzerland. Yearly treatment costs were $599.05 (€425.92) for drugs, including topical corticosteroids, topical calcineurin inhibitors, other topical treatments and oral treatments, and $178.40 for emollients, in Germany. CHE was associated with hospitalisation costs ranging from $81.86 (€58.20) per patient per month (US) to $105.04 (€74.68) per patient per month (Italy) and $639.59 (€454.75) per year (Germany). Up to 57% of patients took sick leave and up to 25% reported job loss/job change due to CHE. This review confirms the significant cost burden of CHE. Given the paucity of studies estimating the monetary costs of absenteeism, presenteeism and job loss associated with CHE, current mean societal costs are likely underestimated. Uncontrolled disease may also lead to increased costs to patients and society. [ABSTRACT FROM AUTHOR]

The impact of search strategies on systematic reviews (SR) of atopic dermatitis (AD) is unknown. The purpose of this review was to evaluate search strategies used in SR of AD and their impact on the frequency of manuscripts identified. MEDLINE and EMBASE were searched for SR related to AD. Simulations were performed by running combinations of search terms in MEDLINE and EMBASE. Overall, 250 SR met inclusion criteria, of which 225 specified search strategies. SR using 5–6 terms (20.0% to 12.1%) or ≥ 7 (40.0% to 18.8%) terms decreased, whereas SR using 3–4 terms numerically increased (18.8% to 30.2%) and 1–2 terms remained similar (37.5% to 38.9%) from 1999–2009 to 2015–2019. The most commonly searched terms were "atopic dermatitis" (n = 166), followed by "eczema" (n = 156), "dermatitis atopic'" (n = 81), "atopic eczema" (n = 74), "neurodermatitis" (n = 59), "Besniers prurigo" (n = 29), "infantile eczema" (n = 27), and "childhood eczema" (n = 19). Simulations revealed that "eczema" and "atopic dermatitis" yielded the most hits. The number of search terms that maximized hits in MEDLINE and EMBASE was 5 and 4, respectively. Search strategies for AD were heterogeneous, with high proportions of search strategies providing few search hits. Future studies should use standardized and optimized search terms. [ABSTRACT FROM AUTHOR]

Introduction: Skin pain (described as discomfort or soreness) is increasingly recognized as a symptom of atopic dermatitis which impacts patient quality of life. This analysis examined the effect of baricitinib on skin pain in atopic dermatitis in three phase 3 studies (BREEZE-AD1, -AD2, and -AD7). Methods: Patients were randomly assigned 2:1:1:1 to receive once-daily placebo, baricitinib 1 mg, 2 mg, or 4 mg in BREEZE-AD1 (N = 624) and -AD2 (N = 615) and 1:1:1 to receive once-daily placebo, baricitinib 2 mg, or 4 mg, with topical corticosteroids, in BREEZE-AD7 (N = 329) for 16 weeks. Patients recorded their skin pain severity using the Skin Pain Numerical Rating Scale (NRS) via an electronic daily diary. Data were analyzed by study as least squares mean change from baseline in daily scores for the randomly assigned patients using mixed model repeated measures analysis. Analysis of Skin Pain NRS response was done using logistic regression using non-responder imputation. Results: Baricitinib produced significant percentage change from baseline compared with placebo in patient-reported skin pain severity by day 2 in BREEZE-AD1 (baricitinib 4 mg − 11.9%, p < 0.001; baricitinib 2 mg − 6.4%, p = 0.016; baricitinib 1 mg − 6.2%, p = 0.016), -AD2 (baricitinib 4 mg − 12.6%, p < 0.001; baricitinib 2 mg − 5.6%, p = 0.036; baricitinib 1 mg − 6.9%, p = 0.011), and -AD7 (baricitinib 4 mg − 6.9%, p = 0.04; baricitinib 2 mg − 7.9%, p = 0.018). A greater proportion of patients treated with baricitinib reported at least a 4-point reduction in Skin Pain NRS score at week 16 (Skin Pain NRS responders) in BREEZE-AD1 (baricitinib 4 mg 25.3%, p < 0.001), -AD2 (baricitinib 4 mg 20.0%, p < 0.001; baricitinib 2 mg 19.0%, p < 0.001), and -AD7 (baricitinib 4 mg 48.8%, p < 0.001; baricitinib 2 mg 45.2%, p = 0.004) compared to placebo. A significantly higher proportion of Skin Pain NRS responders also achieved at least a 4-point improvement in Dermatology Life Quality Index at week 16 when compared with Skin Pain NRS non-responders in BREEZE-AD1 (89.2%, p < 0.0001), -AD2 (92.5%, p < 0.0001), and -AD7 (88.3%, p < 0.0001). Conclusion: Baricitinib improved patient-reported skin pain severity as early as day 2. ClinicalTrials.gov identifiers: BREEZE-AD1, NCT03334396; BREEZE-AD2, NCT03334422; BREEZE-AD7, NCT03733301. [ABSTRACT FROM AUTHOR]

Background: Atopic dermatitis imparts a substantial patient burden, including itch, sleep disturbance, and decreased health-related quality of life. Objective: This analysis evaluated changes in patient-reported outcomes of disease-specific signs/symptoms and health-related quality of life in adult and adolescent patients with moderate-to-severe atopic dermatitis treated with once-daily oral abrocitinib 200-mg or 100-mg monotherapy. Methods: Pooled data from one phase IIb (NCT02780167) and two phase III (NCT03349060, JADE MONO-1; NCT03575871, JADE MONO-2) monotherapy trials in adult and adolescent patients with moderate-to-severe atopic dermatitis were analyzed. Patient-reported outcome assessments included: global severity, itch, and multi-item measures that assess other signs and symptoms of atopic dermatitis. Additional patient-reported outcome assessments measured depression, anxiety, fatigue, disease-specific and general health-related quality of life, and work and general productivity among employed patients. Results: Overall, 942 patients were included in this analysis. Improvements were observed from the first post-baseline assessment to week 12 across all patient-reported outcomes, including Patient Global Assessment (PtGA) score of 0/1 (35.5%, 19.8%, and 5.9% for 200 mg, 100 mg, and placebo, respectively), ≥ 4-point improvement in Night Time Itch Scale (NTIS; 57.0%, 42.7%, and 12.7%), change from baseline in Patient-Oriented Eczema Measure (POEM) score (− 11.4, − 8.2, and − 3.4), 1-point improvement in Pruritus and Symptoms Assessment for Atopic Dermatitis (PSAAD; 75.2%, 65.1%, and 33.5%), Hospital Anxiety and Depression Scales (HADS) anxiety (− 2.0, − 1.7, and − 1.0) and depression (− 1.7, − 1.3, and − 0.1). Conclusions: Abrocitinib monotherapy improved disease-specific signs/symptoms and health-related quality of life across multiple domains as reported by adult and adolescent patients with moderate-to-severe atopic dermatitis, complementing clinician-reported efficacy and safety outcomes. Clinical Trial Registration: NCT02780167 (registered 23 May, 2016), NCT03349060 (registered 21 November, 2017), NCT03575871 (registered 3 July, 2018). [ABSTRACT FROM AUTHOR]

Introduction: Atopic dermatitis (AD) severity was measured in two phase 3 US studies of crisaborole ointment, 2%, in patients aged ≥ 2 years using the Investigator's Static Global Assessment (ISGA), an FDA-recommended scale. Eczema Area and Severity Index (EASI) is a validated scale used globally to assess AD severity in clinical trials. The objective of this study is to aid interpretability of ISGA by translating ISGA scores to EASI scores. Methods: ISGA was mapped to EASI using published EASI severity strata by Chopra et al. and Leshem et al. and pooled data from phase 3 trials CrisADe CORE 1 and CORE 2, which evaluated crisaborole in patients aged ≥ 2 years with mild-to-moderate AD (crisaborole, n = 1016; vehicle, n = 506). Least squares mean (LSM) percentage change from baseline (%CFB) in EASI and proportion of patients with 50%, 75%, and 90% improvement (EASI-50, EASI-75, and EASI-90, respectively) on day 29 were computed for mapped EASI. The relationship between changes in ISGA and changes in EASI was assessed using data from three abrocitinib trials. Results: ISGA was mapped to EASI using 70,000 random simulations. LSM (standard error) for %CFB in mapped EASI at day 29 (crisaborole versus vehicle) was −26.3% (17) versus 45.2% (35) (P = 0.0671) using Chopra strata and −43.1% (4.6) versus −5.2% (8.4) (P < 0.0001) using Leshem strata. EASI-50, EASI-75, and EASI-90 rates were 72.1% versus 57.6%, 63.0% versus 47.8%, and 55.0% versus 40.1%, respectively, using Chopra strata (P < 0.0001 for each difference). These rates were 68.8% versus 54.0%, 54.8% versus 40.5%, and 38.9% versus 27.2%, respectively (P < 0.0001 for each difference) using Leshem strata. Mean two-point improvement in ISGA was comparable to EASI-90. Conclusion: Mapped EASI results were consistent with ISGA results in crisaborole phase 3 trials. Simulation methodologies yielded consistent results and may aid in interpretability of ISGA across clinical studies. Trial Registration: ClinicalTrials.gov identifier: NCT02118766, NCT02118792. [ABSTRACT FROM AUTHOR]

Introduction: A number of treatments for atopic dermatitis (AD) are available; however, long-term treatment patterns and healthcare consumption in patients with AD are poorly described. Methods: We conducted a registry-based longitudinal drug utilization study among Danish patients with AD that were referred to their first-ever visit at hospital-based dermatology clinics. Their first visit was in the period between 1 January 2005 and 31 December 2012, and patients were followed up to 5 years after their first visit. Results: In total, 8213 people with a first-time hospital dermatologist contact for AD were included in the study (3514 aged 0–9 years, 1501 aged 10–19 years, 3198 aged 20 years or older). At first visit, a baseline history of moderately potent topical corticosteroid (TCS) use was seen among 46.6% of children (0–9 years), whereas potent or very potent TCS use was more frequently among older individuals (e.g., 51.1% and 25.6% of people aged 50 years or older had used potent and very potent TCS, respectively). The median (interquartile range) annual number of visits to general practitioners was 4 (2–7) for children and 5 (2–8) for adults, in the 12 months prior to referral. Three years after referral, these numbers had decreased to 2 (1–4) and 3 (1–6), respectively. In the first year after referral, 6% of patients were prescribed systemic corticosteroids, whereas other systemic therapies were used in 5% or less. Conclusions: After referral, low proportions of patients received systemic treatment, or potent TCS. These findings highlight considerable differences in treatment patterns between general practitioners and private practice dermatologists, compared with hospital-based dermatologists, and emphasize the need for better adherence to evidence-based treatment guidelines. [ABSTRACT FROM AUTHOR]

Atopic dermatitis (AD) is a commonly occurring chronic skin disease with high heritability. Apart from filaggrin (FLG), the genes influencing atopic dermatitis are largely unknown. We conducted a genome-wide association meta-analysis of 5,606 affected individuals and 20,565 controls from 16 population-based cohorts and then examined the ten most strongly associated new susceptibility loci in an additional 5,419 affected individuals and 19,833 controls from 14 studies. Three SNPs reached genome-wide significance in the discovery and replication cohorts combined, including rs479844 upstream of OVOL1 (odds ratio (OR) = 0.88, P = 1.1 × 10?13) and rs2164983 near ACTL9 (OR = 1.16, P = 7.1 × 10?9), both of which are near genes that have been implicated in epidermal proliferation and differentiation, as well as rs2897442 in KIF3A within the cytokine cluster at 5q31.1 (OR = 1.11, P = 3.8 × 10?8). We also replicated association with the FLG locus and with two recently identified association signals at 11q13.5 (rs7927894; P = 0.008) and 20q13.33 (rs6010620; P = 0.002). Our results underline the importance of both epidermal barrier function and immune dysregulation in atopic dermatitis pathogenesis. [ABSTRACT FROM AUTHOR]

A correction to the article "Impact of Oral Abrocitinib Monotherapy on Patient-Reported Symptoms and Quality of Life in Adolescents and Adult with Moderate-to-Severe Atopic Dermatitis: A Pooled Analysis of Patient-Reported Outcomes" in an issue is presented.