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Is Telemedicine Suitable for Patients with Chronic Inflammatory Skin Conditions? A Systematic Review. Acta Derm Venereol 2024; 104:adv23901. [PMID: 38751176 PMCID: PMC11110807 DOI: 10.2340/actadv.v104.23901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 03/14/2024] [Indexed: 05/24/2024] Open
Abstract
Telemedicine, the provision of remote healthcare, has gained prominence, accelerated by the COVID-19 pandemic. It has the potential to replace routine in-person follow-up visits for patients with chronic inflammatory skin conditions. However, it remains unclear whether telemedicine can effectively substitute in-person consultations for this patient group. This systematic review assessed the effectiveness and safety of telemedicine compared with traditional in-person care for chronic inflammatory skin diseases. A comprehensive search in various databases identified 11 articles, including 5 randomized controlled trials (RCTs) and 1 clinical controlled trial (CCT). These studies evaluated telemedicine's impact on patients with psoriasis and atopic dermatitis, with varying methods like video consultations and digital platforms. The findings tentatively suggest that telemedicine does not seem to be inferior compared with in-person care, particularly in terms of condition severity and quality of life for patients with chronic inflammatory skin diseases. However, these results should be interpreted with caution due to the inherent uncertainties in the evidence. There are indications that telemedicine can offer benefits such as cost-effectiveness, time savings, and reduced travel distances, but it is important to recognize these findings as preliminary, necessitating further validation through more extensive research.
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Unveiling the impact of itch, pain, fatigue and disease severity in paediatric patients with psoriasis and the influence of methotrexate and biologics. J Eur Acad Dermatol Venereol 2024. [PMID: 38450775 DOI: 10.1111/jdv.19942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 02/23/2024] [Indexed: 03/08/2024]
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The lifestyle of psoriasis patients and their motivation to change. J Eur Acad Dermatol Venereol 2024. [PMID: 38400656 DOI: 10.1111/jdv.19923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/09/2024] [Indexed: 02/25/2024]
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Guselkumab induction therapy demonstrates long-lasting efficacy in patients with mild psoriasis, results from a randomized, placebo-controlled exploratory clinical trial. J Am Acad Dermatol 2024; 90:395-397. [PMID: 37804933 DOI: 10.1016/j.jaad.2023.09.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/15/2023] [Accepted: 09/20/2023] [Indexed: 10/09/2023]
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Effectiveness of systemic treatments on pruritus associated with atopic dermatitis: A systematic review in pediatric patients. Pediatr Dermatol 2024; 41:34-40. [PMID: 38018272 DOI: 10.1111/pde.15468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 10/17/2023] [Indexed: 11/30/2023]
Abstract
BACKGROUND/OBJECTIVES Itch is one of the hallmarks of atopic dermatitis (AD), which has a significant impact on the quality of life of pediatric patients with AD and their caregivers. We aimed to conduct a systematic review and meta-analysis to evaluate the antipruritic effects of systemic AD treatments in pediatric patients with AD. METHODS PubMed, EMBASE, Cochrane, and Web of Science databases were searched, including studies providing original data on the effects of systemic treatment on pruritus in pediatric patients (<18 years) with AD. Placebo-controlled trials reporting a Peak Pruritus Numerical Rating Scale 4 (PP-NRS4) response were included in a meta-analysis. RESULTS A total of 30 studies were included, with most evidence available for dupilumab. Overall, marked improvements of pruritus (50% or greater reduction in pruritus outcome measurements) were found for treatment with cyclosporin A (2-16 years), dupilumab (6 months-17 years), abrocitinib, and upadacitinib (both 12 and 17 years). Nemolizumab (12-17 years) may be promising in reducing pruritus in pediatric patients; however, data are limited. Only five randomized controlled trials could be included in our meta-analysis, in which dupilumab, abrocitinib, and upadacitinib showed a significantly higher probability of achieving a PP-NRS4 response compared with placebo. Our study was limited by a lack of homogeneity of included studies. CONCLUSIONS Cyclosporin A, dupilumab, abrocitinib, and upadacitinib are all effective in decreasing pruritus and, therefore, in improving the quality of life in children with AD. As more systemic treatments for AD become available, it will be imperative to incorporate patient-oriented treatment goals such as reduction of pruritus into therapeutic decision-making.
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Steps towards implementation of protocolized dose reduction of adalimumab, etanercept and ustekinumab for psoriasis in daily practice. J DERMATOL TREAT 2023; 34:2186728. [PMID: 36867069 PMCID: PMC10013325 DOI: 10.1080/09546634.2023.2186728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
BACKGROUND Dose reduction (DR) of adalimumab, etanercept and ustekinumab has proven to be (cost-)effective in psoriasis patients with low disease activity. Further implementation is needed to establish application of DR for eligible patients. OBJECTIVES To evaluate the implementation of protocolized biologic DR in daily practice. METHODS A pilot implementation study was performed in 3 hospitals during 6 months. By combining education and protocol development, involved healthcare providers (HCPs) were directed toward the adoption of protocolized DR. DR of adalimumab, etanercept, and ustekinumab was achieved by stepwise injection interval prolongation. Implementation outcomes (fidelity, feasibility) were assessed. Factors for optimizing implementation were explored in interviews with HCPs. Uptake was measured in patients by chart review. RESULTS The implementation strategy was executed as planned. Implementation fidelity was less than 100% as not all provided tools were used across study sites. HCPs indicated the feasibility of implementing protocolized DR, although time investment was needed. Identified additional factors for successful implementation included support for patients, uptake of DR into guidelines, and supportive electronic health record systems. During the 6 months intervention period, 52 patients were eligible for DR of whom 26 (50%) started DR. The proposed DR protocol was followed in 22/26 patients (85%) on DR. CONCLUSION Additional staff for support, extra time during consultations, education on DR for HCPs and patients, and effective tools such as a feasible protocol can lead to more patients on biologic DR.
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How to define a 'super-responder' to biologics in psoriasis studies. Br J Dermatol 2023; 189:621-622. [PMID: 37595133 DOI: 10.1093/bjd/ljad280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/28/2023] [Accepted: 08/03/2023] [Indexed: 08/20/2023]
Abstract
Recently, there has been an increase of publications on super-responders to biologic therapy for psoriasis.In this study, we aimed to contribute to this growing area of research by (i) synthesizing the different definitions of super-responders currently being used in psoriasis literature; and (ii) evaluating the impact of these different definitions on the composition of the super-responder group.
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Patients' perspectives towards biologic dose reduction in psoriasis: a qualitative study. Arch Dermatol Res 2023; 315:1735-1745. [PMID: 36813868 PMCID: PMC10338615 DOI: 10.1007/s00403-023-02566-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 11/22/2022] [Accepted: 02/01/2023] [Indexed: 02/24/2023]
Abstract
Dose reduction of biologics for psoriasis could contribute to more efficient use of these expensive medicines. Evidence on opinions of patients with psoriasis regarding dose reduction is sparse. The objective of this study was therefore to explore patients' perspectives towards dose reduction of biologics for psoriasis. A qualitative study was conducted, comprising semi-structured interviews with 15 patients with psoriasis with different characteristics and treatment experiences. Interviews were analyzed by inductive thematic analysis. Perceived benefits of biologic dose reduction according to patients were minimizing medication use, lowering risks of adverse effects and lowering societal healthcare costs. Patients reported to have experienced a large impact of their psoriasis, and expressed concerns about loss of disease control due to dose reduction. Fast access to flare treatment and adequate monitoring of disease activity were among reported preconditions. According to patients, they should have confidence in dose reduction effects and should be willing to change their effective treatment. Moreover, addressing information needs and involvement in decision-making were deemed important among patients. In conclusion, addressing patients' concerns, fulfilling information needs, providing the possibility of resuming standard dose, and involving patients in decision-making are important according to patients with psoriasis when considering biologic dose reduction.
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Patient-reported Outcomes and Burden of Disease in Paediatric Patients with Psoriasis: Real-world Data from EU5 and US. Acta Derm Venereol 2023; 103:adv2544. [PMID: 37073960 PMCID: PMC10128148 DOI: 10.2340/actadv.v103.2544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 01/17/2023] [Indexed: 04/20/2023] Open
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Identification of children at risk for the development of severe paediatric plaque psoriasis: Findings from the prospective observational long-term Child-CAPTURE registry. J Eur Acad Dermatol Venereol 2023. [PMID: 36800316 DOI: 10.1111/jdv.18984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 02/15/2023] [Indexed: 02/18/2023]
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National consensus on biologic dose reduction in psoriasis: a modified eDelphi procedure. J DERMATOL TREAT 2022; 34:2154570. [PMID: 36472386 DOI: 10.1080/09546634.2022.2154570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND Dose reduction of biologics for psoriasis is applied in daily practice, although guidelines are lacking. Striving for clear criteria is important, as it leads to a consistent application of dose reduction. OBJECTIVE To achieve consensus on criteria for biologic dose reduction in psoriasis patients with stable and low disease activity. METHODS An online Delphi procedure (eDelphi) was conducted. Dutch dermatologists were invited to participate in a maximum of 3 voting rounds. Proposed statements were selected based on literature review and included criteria for the application of dose reduction and dosing schedules. Biologic dose reduction was defined as 'application of injection interval prolongation'. Proposed statements were rated using a 9-point Likert scale; consensus was reached when ≥70% of all voters rated 'agree' (7-9) and <15% rated 'disagree' (1-3). RESULTS A total of 27 dermatologists participated and reached a consensus on 15 recommendations over 2 voting rounds. Agreed statements included criteria for dose reduction eligibility, criteria for dose reduction (dis)continuation, and dosing schedules for adalimumab, etanercept, and ustekinumab. Based on the eDelphi outcomes, an algorithm fit for implementation in current practice was developed. CONCLUSIONS Recommendations of this national consensus process can guide clinicians, and consequently their patients, toward consistent application of biologic dose reduction.
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3D stereophotogrammetry in children and adolescents with Scleroderma En Coup De Sabre/Parry‐Romberg Syndrome: Description of a novel method for monitoring disease progression. SKIN HEALTH AND DISEASE 2022; 2:e132. [PMID: 36092259 PMCID: PMC9435452 DOI: 10.1002/ski2.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 04/11/2022] [Accepted: 04/19/2022] [Indexed: 11/18/2022]
Abstract
Background The diagnosis of Scleroderma En Coup de Sabre (ECDS)/Parry Romberg Syndrome (PRS) is mainly based on characteristic clinical findings. Methods to objectively monitor the course of the disease in a standardized way are lacking. Objectives This descriptive, retrospective, single centre cohort study aims to describe the contribution of 3D photographs in the assessment of the degree of facial asymmetry changes over time in growing children and adolescents with ECDS and PRS. Methods Six patients diagnosed with ECDS/PRS, with a follow‐up period of at least 24 months and at least three 3D photographs were included. Mirroring these 3D photographs was automatically performed using surface‐based matching to generate a colour‐coded distance map, illustrating the inter‐surface distance and thereby asymmetry between the original and mirrored 3D photographs. The percentage of absolute distances between the original and mirrored 3D photograph were calculated. Results In two patients, impressive decreases in the percentages of absolute distance levels over time were found, whereas the other patients did not show progression of asymmetry over time. Conclusion This study shows the potential of 3D stereophotogrammetry as an objective tool to measure disease activity over time in patients with ECDS/PRS.
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Real-world Methotrexate Use in a Prospective Cohort of Paediatric Patients with Plaque Psoriasis: Effectiveness, Adverse Events and Folic Acid Regimen. Acta Derm Venereol 2022; 102:adv00745. [PMID: 35604240 PMCID: PMC9558319 DOI: 10.2340/actadv.v102.1000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In paediatric psoriasis, few studies have evaluated methotrexate effectiveness, adverse events and folic acid regimen. Therefore this study prospectively assessed methotrexate adverse events and effectiveness in paediatric patients with psoriasis in a real-world setting. Furthermore, gastrointestinal adverse events and methotrexate effectiveness were compared between folic acid regimens (5 mg once weekly vs 1 mg 6 times weekly). Data for paediatric patients with psoriasis treated with methotrexate from September 2008 to October 2020 were extracted from Child-CAPTURE, a prospective, daily clinical practice registry. Effectiveness was determined by Psoriasis Area and Severity Index (PASI). Comparison of persistent gastrointestinal adverse events between folic acid regimens were assessed through Kaplan–Meier analysis. A total of 105 paediatric patients with plaque psoriasis (41.0% male, mean age 14.1 years) were included. At week 24 and 48, an absolute PASI ≤ 2.0 was achieved by approximately one-third of all patients. During follow-up, 46.7% reported ≥ 1 persistent adverse events. After 1 and 2 years, approximately one-quarter of patients achieved a PASI ≤ 2.0 without persistent adverse events. Although non-significant, a possible trend towards lower occurrence of gastrointestinal adverse events was found for folic acid 1 mg 6 times weekly (p = 0.196), with similar effectiveness between folic acid regimens. These findings show that a subgroup of paediatric patients with psoriasis responded well to methotrexate treatment without considerable side-effects during a 2-year follow-up.
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International eDelphi Study to Reach Consensus on the Methotrexate Dosing Regimen in Patients With Psoriasis. JAMA Dermatol 2022; 158:561-572. [PMID: 35353175 DOI: 10.1001/jamadermatol.2022.0434] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
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.
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The Effect of Lifestyle Changes on Disease Severity and Quality of Life in Patients with Plaque Psoriasis: A Narrative Review. PSORIASIS (AUCKLAND, N.Z.) 2022; 12:35-51. [PMID: 35433402 PMCID: PMC9007593 DOI: 10.2147/ptt.s294189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 03/31/2022] [Indexed: 01/24/2023]
Abstract
Objective To evaluate the effect of lifestyle changes on the severity of psoriasis and the quality of life in patients with psoriasis. Methods For this narrative review, PubMed, Embase and ClinicalTrials.gov were searched for lifestyle intervention studies with an intervention duration of at least 12 weeks. Results Thirty-four intervention studies were included. Most studies performed interventions in the diet of patients with psoriasis (n=9), or added supplements to the diet (n=18). Three studies comprised relaxation techniques and four studies combined relaxation or stress-reducing techniques with an educational program or exercise. No interventional studies were carried out regarding smoking, alcohol and sleep. Especially dietary and relaxation interventions showed promising results with respect to psoriasis severity and dermatology-related QoL, respectively. Regarding dietary supplements, the three largest studies investigating fish oil or vitamin D did not show significant effects. Conclusion There is some evidence that dietary and relaxation interventions could be promising with respect to psoriasis severity and dermatology-related QoL, respectively. Furthermore, our review identified important gaps in psoriasis lifestyle research regarding study design and reporting of outcomes.
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Long-term Efficacy and Safety of Up to 108 Weeks of Ixekizumab in Pediatric Patients With Moderate to Severe Plaque Psoriasis: The IXORA-PEDS Randomized Clinical Trial. JAMA Dermatol 2022; 158:533-541. [PMID: 35416908 PMCID: PMC9008559 DOI: 10.1001/jamadermatol.2022.0655] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Question What is the long-term (up to 108 weeks) efficacy and safety of ixekizumab for pediatric patients with moderate to severe psoriasis? Findings In this randomized clinical trial of 139 pediatric patients with plaque psoriasis, those who completed treatment with ixekizumab through week 108 achieved improvement in the Psoriasis Area and Severity Index as well as static Physician’s Global Assessment scores, and these results were sustained through week 108. There were no new safety findings, including no new cases of inflammatory bowel disease or candidal infection. Meaning Findings of this trial show that the safety of ixekizumab in this pediatric population was consistent with previously reported data and the known safety profile of this treatment. Importance About 1% of children and adolescents worldwide are affected by plaque psoriasis. Objective To evaluate the long-term efficacy and safety of ixekizumab for pediatric patients with moderate to severe psoriasis. Design, Setting, and Participants This multicenter randomized clinical trial (IXORA-PEDS) evaluated pediatric patients with plaque psoriasis. Participants were aged 6 years to younger than 18 years; had moderate to severe psoriasis, which was defined as Psoriasis Area and Severity Index (PASI) of 12 or higher, static Physician’s Global Assessment (sPGA) score of 3 or higher, and psoriasis-affected body surface area of 10% or greater at screening and baseline; were candidates for phototherapy or systemic therapy; or had psoriasis that was not adequately controlled by topical therapies. Data analysis, which followed the intention-to-treat principle, was conducted from May to October 2021. Interventions Pediatric patients were randomized 2:1 to receive either a weight-based dose of ixekizumab every 4 weeks or placebo. After a 12-week placebo-controlled period, patients entered a 48-week, open-label ixekizumab maintenance period (weeks 12-60), followed by an extension period that lasted through 108 weeks. A substudy evaluated the randomized withdrawal of ixekizumab after week 60. Main Outcomes and Measures Efficacy outcomes at week 108 included the percentage of patients achieving 75% (PASI 75), 90% (PASI 90), or 100% (PASI 100) improvement from baseline; an sPGA score of 0 or 1 or score of 0; and improvement of 4 points or higher from baseline in the Itch Numeric Rating Scale. Safety outcomes included assessments of adverse events (AEs), including treatment-emergent AEs, serious AEs, and AEs of special interest, as well as improvement from baseline in a range of challenging body areas. Missing data for categorical outcomes were imputed using modified nonresponder imputation. Results A total of 171 patients (mean [SD] age, 13.5 [3.04] years; 99 female children [57.9%]) were randomized to either ixekizumab (n = 115) or placebo (n = 56). Of 166 patients who entered the maintenance period, 139 (83.7%) completed week 108 of the trial. Primary and gated secondary end points were sustained through week 108, with patients achieving PASI 75 (91.7% [n = 86]), PASI 90 (79.0% [n = 74]), PASI 100 (55.1% [n = 52]), sPGA 0 or 1 (78.3% [n = 74]), and sPGA 0 (52.4% [n = 49]). Fifty-five patients (78.5%) reported an Itch Numeric Rating Scale improvement of 4 points or higher. In patients who received ixekizumab, at week 108, clearance of nail psoriasis was reported in 68.1% (n = 28), clearance of palmoplantar psoriasis was reported in 90.0% (n = 10), clearance of scalp psoriasis was reported in 76.2% (n = 83), and clearance of genital psoriasis was reported in 87.5% (n = 24). There were no new safety findings during weeks 48 to 108 of the trial, including no new cases of inflammatory bowel disease or candida infection. Conclusions and Relevance Results of this study showed improvements across patient-reported outcomes and objective measures of complete skin clearance of psoriasis among pediatric patients who received ixekizumab, and these response rates were sustained through week 108 of the trial. Safety of ixekizumab was consistent with previously reported findings in this population and the known safety profile of this treatment. Trial Registration ClinicalTrials.gov Identifier: NCT03073200
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Safety of ustekinumab in adolescent patients with moderate-to-severe plaque psoriasis: real-world evidence from an ongoing European study (NCT03218488). J Eur Acad Dermatol Venereol 2022; 36:e646-e648. [PMID: 35349743 DOI: 10.1111/jdv.18110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/15/2022] [Accepted: 03/24/2022] [Indexed: 11/28/2022]
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Population pharmacokinetic and exposure-efficacy analysis of ixekizumab in paediatric patients with moderate-to-severe plaque psoriasis (IXORA-PEDS). Br J Clin Pharmacol 2022; 88:1074-1086. [PMID: 34378230 PMCID: PMC9291793 DOI: 10.1111/bcp.15034] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 07/23/2021] [Accepted: 07/31/2021] [Indexed: 12/24/2022] Open
Abstract
AIMS Ixekizumab is a high-affinity monoclonal antibody that selectively targets interleukin-17A used in the treatment of adult and paediatric patients with moderate-to-severe psoriasis. This analysis evaluated the pharmacokinetics (PK) of ixekizumab and the exposure-efficacy relationship in paediatric patients aged 6 to <18 years with psoriasis. METHODS Population PK and exposure-efficacy models were developed. The models used data from paediatric patients with psoriasis participating in the Phase 3 IXORA-PEDS trial in which patients were dosed according to weight categories. The exposure-efficacy model is a Psoriasis Area and Severity Index (PASI) time course model using data up to Week 12, a co-primary efficacy endpoint. RESULTS A 2-compartment population PK model describes the PK of ixekizumab in paediatric patients with the effect of body weight incorporated on clearance and volume terms using an allometric relationship. The weight category-based dosing ensured that ixekizumab mean trough serum concentrations in paediatric patients with psoriasis (3.20-3.33 μg/mL) were within the range of concentrations observed in adult patients with psoriasis (mean [standard deviation]: 3.48 [2.16] μg/mL) administered an efficacious dosing regimen. The observed PASI response rates at Week 12 in paediatric patients (91.9/81.8/52.5% for PASI75/90/100) are well predicted by the final exposure-efficacy model and response rates are similar or higher than those achieved in adults (86.2/66.6/35.0% for PASI75/90/100). CONCLUSION This analysis is the first to describe the PK and exposure-efficacy relationship of ixekizumab in paediatric patients with psoriasis. The analyses support the selection of the weight category-based ixekizumab dosing regimens approved for use in paediatric patients with psoriasis.
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Physician-reported Clinical Unmet Needs, Burden and Treatment Patterns of Paediatric Psoriasis Patients: a US and EU Real-world Evidence Study. Acta Derm Venereol 2021; 102:adv00660. [PMID: 34935993 PMCID: PMC9631255 DOI: 10.2340/actadv.v101.981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This study is a retrospective analysis using data collected from the Adelphi Paediatric Psoriasis Disease-Specific Programme cross-sectional survey. Despite being treated for their psoriasis, a substantial proportion of paediatric patients presented with moderate (18.3%) or severe (1.3%) disease at sampling; 42.9% and 92.0% had a body surface area (BSA) of >10%, and 38.8% and 100.0% had a Psoriasis Area Severity Index (PASI) score >10, respectively. Overall, 69.9% of patients had only ever been treated with a topical therapy for their psoriasis. For patients with moderate or severe disease at sampling, 16.3% and 14.4% were currently receiving conventional systemics or biologic therapy, respectively. There is a clinical unmet need in this paediatric population; a considerable percentage of patients still experienced moderate or severe disease and persistent psoriasis symptoms, with numerous body areas affected. A significant proportion of patients were undertreated, which may explain the high burden of disease observed.
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Image-based automated Psoriasis Area Severity Index scoring by Convolutional Neural Networks. J Eur Acad Dermatol Venereol 2021; 36:68-75. [PMID: 34653265 PMCID: PMC9298301 DOI: 10.1111/jdv.17711] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 09/14/2021] [Indexed: 11/28/2022]
Abstract
Background The Psoriasis Area and Severity Index (PASI) score is commonly used in clinical practice and research to monitor disease severity and determine treatment efficacy. Automating the PASI score with deep learning algorithms, like Convolutional Neural Networks (CNNs), could enable objective and efficient PASI scoring. Objectives To assess the performance of image‐based automated PASI scoring in anatomical regions by CNNs and compare the performance of CNNs to image‐based scoring by physicians. Methods Imaging series were matched to PASI subscores determined in real life by the treating physician. CNNs were trained using standardized imaging series of 576 trunk, 614 arm and 541 leg regions. CNNs were separately trained for each PASI subscore (erythema, desquamation, induration and area) in each anatomical region (trunk, arms and legs). The head region was excluded for anonymity. Additionally, PASI‐trained physicians retrospectively determined image‐based subscores on the test set images of the trunk. Agreement with the real‐life scores was determined with the intraclass correlation coefficient (ICC) and compared between the CNNs and physicians. Results Intraclass correlation coefficients between the CNN and real‐life scores of the trunk region were 0.616, 0.580, 0.580 and 0.793 for erythema, desquamation, induration and area, respectively, with similar results for the arms and legs region. PASI‐trained physicians (N = 5) were in moderate–good agreement (ICCs 0.706–0.793) with each other for image‐based PASI scoring of the trunk region. ICCs between the CNN and real‐life scores were slightly higher for erythema (0.616 vs. 0.558), induration (0.580 vs. 0.573) and area scoring (0.793 vs. 0.694) than image‐based scoring by physicians. Physicians slightly outperformed the CNN on desquamation scoring (0.580 vs. 0.589). Conclusions Convolutional Neural Networks have the potential to automatically and objectively perform image‐based PASI scoring at an anatomical region level. For erythema, desquamation and induration scoring, CNNs performed similar to physicians, while for area scoring CNNs outperformed physicians on image‐based PASI scoring.
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Treatment goals and preferences of pediatric psoriasis patients, young adults, and parents. J DERMATOL TREAT 2021; 33:2527-2533. [PMID: 34620033 DOI: 10.1080/09546634.2021.1985058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Treatment needs of young psoriasis patients and parents are not widely studied and could advance patient-centered care. OBJECTIVE To explore treatment goals and preferences of pediatric psoriasis patients, young adults, and parents. METHODS A web-based survey among Dutch psoriasis patients aged ≥6 to ≤30 years and parents included multiple-choice, open-ended, and 4-point Likert scale questions. Treatment goals and characteristic preferences of pediatric patients (≤17 years) were compared to young adults (≥18 years) and parents. RESULTS 195 young patients (20.2 ± 6.3 years) and 45 parents were included. The most important treatment goals were 'preventing lesions', 'reducing lesions', 'no itch', and 'no lesions'. Regarding treatment characteristics, 'long-term safety', 'high effectiveness', and 'short-term safety' were most important. We found differences by age, gender, and current treatment. Pediatric patients rated 'not sticky', 'quick results', and 'no/few blood samples needed' higher than parents and/or young adults. Young adults rated 'feeling more confident' and 'better quality of sleep' higher than pediatric patients. Parents considered safety most important. Psychosocial goals were more important for women and patients on biologics. CONCLUSION Young psoriasis patients and parents mainly strive to clear lesions and itch with effective and safe treatment. However, revealed differences underline the relevance of addressing individual needs.
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Perfusion measured by laser speckle contrast imaging as a predictor for expansion of psoriasis lesions. Skin Res Technol 2021; 28:104-110. [PMID: 34619003 PMCID: PMC9293292 DOI: 10.1111/srt.13098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 07/31/2021] [Indexed: 11/27/2022]
Abstract
Background Skin microvasculature changes are crucial in psoriasis development and correlate with perfusion. The noninvasive Handheld Perfusion Imager (HAPI) examines microvascular skin perfusion in large body areas using laser speckle contrast imaging (LSCI). Objectives To (i) assess whether increased perilesional perfusion and perfusion inhomogeneity are predictors for expansion of psoriasis lesions and (ii) assess feasibility of the HAPI system in a mounted modality. Methods In this interventional pilot study in adults with unstable plaque psoriasis, HAPI measurements and color photographs were performed for lesions present on one body region at week 0, 2, 4, 6 and 8. The presence of increased perilesional perfusion and perfusion inhomogeneity was determined. Clinical outcome was categorized as increased, stable or decreased lesion surface between visits. Patient feedback was collected on a 10‐point scale. Results In total, 110 lesions with a median follow‐up of 6 (IQR 6.0) weeks were assessed in 6 patients with unstable plaque psoriasis. Perfusion data was matched to 281 clinical outcomes after two weeks. A mixed multinomial logistic regression model revealed a predictive value of perilesional increased perfusion (OR 9.90; p < 0.001) and perfusion inhomogeneity (OR 2.39; p = 0.027) on lesion expansion after two weeks compared to lesion stability. HAPI measurements were considered fast, patient‐friendly and important by patients. Conclusion Visualization of increased perilesional perfusion and perfusion inhomogeneity by noninvasive whole field LSCI holds potential for prediction of psoriatic lesion expansion. Furthermore, the HAPI is a feasible and patient‐friendly tool.
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Handheld versus mounted laser speckle contrast perfusion imaging demonstrated in psoriasis lesions. Sci Rep 2021; 11:16646. [PMID: 34404886 PMCID: PMC8371022 DOI: 10.1038/s41598-021-96218-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 08/06/2021] [Indexed: 02/08/2023] Open
Abstract
Enabling handheld perfusion imaging would drastically improve the feasibility of perfusion imaging in clinical practice. Therefore, we examine the performance of handheld laser speckle contrast imaging (LSCI) measurements compared to mounted measurements, demonstrated in psoriatic skin. A pipeline is introduced to process, analyze and compare data of 11 measurement pairs (mounted-handheld LSCI modes) operated on 5 patients and various skin locations. The on-surface speeds (i.e. speed of light beam movements on the surface) are quantified employing mean separation (MS) segmentation and enhanced correlation coefficient maximization (ECC). The average on-surface speeds are found to be 8.5 times greater in handheld mode compared to mounted mode. Frame alignment sharpens temporally averaged perfusion maps, especially in the handheld case. The results show that after proper post-processing, the handheld measurements are in agreement with the corresponding mounted measurements on a visual basis. The absolute movement-induced difference between mounted-handheld pairs after the background correction is [Formula: see text] (mean ± std, [Formula: see text]), with an absolute median difference of [Formula: see text]. Realization of handheld LSCI facilitates measurements on a wide range of skin areas bringing more convenience for both patients and medical staff.
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Efficacy of ixekizumab on nail psoriasis in paediatric patients with moderate-to-severe psoriasis: a post hoc analysis from IXORA-PEDS. J Eur Acad Dermatol Venereol 2021; 35:e911-e913. [PMID: 34320259 PMCID: PMC9291077 DOI: 10.1111/jdv.17564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/23/2021] [Accepted: 07/27/2021] [Indexed: 12/01/2022]
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Skin Surface Protein Detection by Transdermal Analysis Patches in Pediatric Psoriasis. Skin Pharmacol Physiol 2021; 34:271-280. [PMID: 34015784 DOI: 10.1159/000516110] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 03/15/2021] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Transdermal analysis patches (TAPs) noninvasively measure soluble proteins in the stratum corneum. Ultimately, such local protein profiles could benefit the search for biomarkers to improve personalized treatment in psoriasis. This study aimed to explore the patient friendliness and protein detection by TAP in pediatric psoriasis in daily clinical practice. METHODS In this observational study, TAPs measuring CXC chemokine ligand (CXCL)-1/2, CC chemokine ligand (CCL)-27, interleukin (IL)-1RA, IL-23, IL-1α, IL-8, IL-4, IL-22, IL-17A, vascular endothelial growth factor (VEGF), human beta-defensin (hBD)-2, hBD-1, and kallikrein-related peptidase (KLK)-5 were applied on lesional, peri-lesional, and non-lesional skin sites of psoriasis patients aged >5 to <18 years. Discomfort during TAP removal as an indicator for patient friendliness was assessed by visual analogue scale (VAS; range 0-10). RESULTS Thirty-two patients (median age 14.0 years) were included, of which 19 were treated with solely topical agents and 13 with systemic treatment. The median VAS of discomfort during TAP removal was 1.0 (interquartile range 1.0). Significantly higher levels in lesional versus non-lesional skin were found for IL-1RA, VEGF, CXCL-1/2, hBD-2, and IL-8, whereas lower levels were found for IL-1α. Skin surface proteins were measured in both treatment groups, with significant higher lesional levels of KLK-5, IL-1RA, hBD-2, IL-1α, IL-23, and CCL-27 in the systemic treatment group. CONCLUSION The TAP platform holds the potential for patient-friendly and noninvasive monitoring of skin-derived proteins in pediatric psoriasis patients in daily clinical practice.
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Biomarker profiles of endothelial activation and dysfunction in rare systemic autoimmune diseases: implications for cardiovascular risk. Rheumatology (Oxford) 2021; 60:785-801. [PMID: 32810267 DOI: 10.1093/rheumatology/keaa270] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 03/19/2020] [Indexed: 01/08/2023] Open
Abstract
OBJECTIVES Vasculopathy is an important hallmark of systemic chronic inflammatory connective tissue diseases (CICTD) and is associated with increased cardiovascular risk. We investigated disease-specific biomarker profiles associated with endothelial dysfunction, angiogenic homeostasis and (tissue) inflammation, and their relation to disease activity in rare CICTD. METHODS A total of 38 serum proteins associated with endothelial (dys)function and inflammation were measured by multiplex-immunoassay in treatment-naive patients with localized scleroderma (LoS, 30), eosinophilic fasciitis (EF, 8) or (juvenile) dermatomyositis (34), 119 (follow-up) samples during treatment, and 65 controls. Data were analysed by unsupervised clustering, Spearman correlations, non-parametric t test and ANOVA. RESULTS The systemic CICTD, EF and dermatomyositis, had distinct biomarker profiles, with 'signature' markers galectin-9 (dermatomyositis) and CCL4, CCL18, CXCL9, fetuin, fibronectin, galectin-1 and TSP-1 (EF). In LoS, CCL18, CXCL9 and CXCL10 were subtly increased. Furthermore, dermatomyositis and EF shared upregulation of markers related to interferon (CCL2, CXCL10), endothelial activation (VCAM-1), inhibition of angiogenesis (angiopoietin-2, sVEGFR-1) and inflammation/leucocyte chemo-attraction (CCL19, CXCL13, IL-18, YKL-40), as well as disturbance of the Angiopoietin-Tie receptor system and VEGF-VEGFR system. These profiles were related to disease activity, and largely normalized during treatment. However, a subgroup of CICTD patients showed continued elevation of CXCL10, CXCL13, galectin-9, IL-18, TNFR2, VCAM-1, and/or YKL-40 during clinically inactive disease, possibly indicating subclinical interferon-driven inflammation and/or endothelial dysfunction. CONCLUSION CICTD-specific biomarker profiles revealed an anti-angiogenic, interferon-driven environment during active disease, with incomplete normalization under treatment. This warrants further investigation into monitoring of vascular biomarkers during clinical follow-up, or targeted interventions to minimize cardiovascular risk in the long term.
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A Comparison of Psoriasis Severity in Pediatric Patients Treated With Methotrexate vs Biologic Agents. JAMA Dermatol 2020; 156:384-392. [PMID: 32022846 DOI: 10.1001/jamadermatol.2019.4835] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Importance Few studies have compared the use of methotrexate and biologics, the most commonly used systemic medications for treatment of moderate to severe psoriasis in children. Objective To assess the real-world, 6-month reduction in psoriasis severity and long-term drug survival (rate and duration of adherence to a specific drug) of methotrexate vs biologics in plaque psoriasis in children. Design, Setting, and Participants A retrospective medical records review was conducted at 20 European and North American centers. Treatment response was based on site-reported Psoriasis Area and Severity Index (PASI) and/or Physician Global Assessment (PGA) scores at baseline and within the first 6 months of treatment. Participants included all 234 consecutively seen children with moderate to severe psoriasis who received at least 3 months of methotrexate or biologics from December 1, 1990, to September 16, 2014, with sufficient data for analysis. Data analysis was performed from December 14, 2015, to September 1, 2016. Main Outcomes and Measures PASI, with a range from 0 to 72 (highest score indicating severe psoriasis), and/or PGA, with a scale of 0 (clear), 1 (minimal), 2 (mild), 3 (moderate), 4 (severe), and 5 (very severe). Results Of 234 pediatric patients (103 boys [44.0%]; 131 girls [56.0%]) treated with methotrexate and/or biologics, 163 patients (69.7%) exclusively received methotrexate, 47 patients (20.1%) exclusively received biologics, and 24 children (10.2%) received methotrexate and biologics sequentially. Of the latter cohort, 23 children were treated initially with methotrexate. Mean (SD) age at initiation was 11.6 (3.7) years for methotrexate and 13.3 (2.9) years for biologics (73.2% for etanercept) (P = .002). Among patients evaluated by a scoring method at 6-month follow-up, 75% or greater improvement in PASI (PASI75) was achieved in 12 of 30 patients (40.0%) receiving methotrexate and 20 of 28 patients (71.4%) receiving biologics, and PGA was clear/almost clear (PGA 0/1) in 41 of 115 patients (35.6%) receiving methotrexate and 18 of 37 patients (48.6%) receiving biologics. Achieving PASI75 and/or PGA 0/1 between baseline and 6 months was more likely with biologics than methotrexate (PASI75: odds ratio [OR], 4.56; 95% CI, 2.02-10.27; P < .001; and PGA 0/1: OR, 2.00; 95% CI, 0.98-4.00; P = .06). Decreased mean PASI and PGA scores were associated with biologics more than with methotrexate (PASI effect, -3.13; 95% CI, -4.33 to -1.94; P < .001; and PGA effect, -0.31; 95% CI, -0.56 to -0.06; P = .02). After 1, 3, and 5 years of use, overall drug survival rates for methotrexate were 77.5%, 50.3%, and 35.9%, and for biologics, the rates were 83.4%, 64.3%, and 57.1%, respectively. Biologics were associated with a better confounder-corrected drug survival than methotrexate (hazard ratio [HR], 2.23; 95% CI, 1.21-4.10; P = .01). Discontinuation owing to lack of response was comparable (HR, 1.64; 95% CI, 0.80-3.36; P = .18). Conclusions and Relevance Methotrexate and biologics appear to be associated with improvement in pediatric psoriasis, although biologics seem to be associated with greater reduction in psoriasis severity scores and higher drug survival rates than methotrexate in the real-world setting. Additional studies directly comparing these medications should be performed for confirmation.
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Association Between Quality of Life and Improvement in Psoriasis Severity and Extent in Pediatric Patients. JAMA Dermatol 2020; 156:72-78. [PMID: 31774449 DOI: 10.1001/jamadermatol.2019.3717] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance Treatment of psoriasis is associated with improved quality of life (QOL) in those with the disease. However, in daily clinical practice, the association between the degree of psoriasis clearance and QOL has not been studied to date, especially in the pediatric population. Objectives To identify the association between the degree of psoriasis improvement (as measured by the Psoriasis Area Severity Index [PASI] and body surface area [BSA] response) and QOL (as measured by the Children's Dermatology Life Quality Index [CDLQI]) in pediatric psoriasis, and to assess the association of treatment type with QOL, independent of psoriasis improvement. Design, Setting, and Participants Data used in this single-center cohort study were extracted from the Child-CAPTURE (Continuous Assessment of Psoriasis Treatment Use Registry), a prospective, observational, daily clinical practice cohort of all children (aged <18 years) with a psoriasis diagnosis who attended the outpatient clinic of the Department of Dermatology at the Radboud University Medical Center in Nijmegen, the Netherlands, between September 3, 2008, and May 4, 2018. All records of treatment episodes with CDLQI, PASI, and BSA scores were included in the analysis. Exposures Patients were treated according to daily clinical care. Treatments were clustered into topical, dithranol, conventional systemic, and biological treatments. Because of low numbers of UV-B phototherapy, this treatment was not assessed. Main Outcomes and Measures Primary outcomes were mean change of CDLQI scores per PASI and BSA response categories (0 to <50, 50 to <75, 75 to <90, and ≥90) and mean CDLQI change per treatment categories. Results In total, 319 patients (median [interquartile range] age, 10.0 [7.0] years; 183 female [57.4%]) were analyzed for PASI score improvement (399 treatment episodes) and improvement in BSA involvement (366 treatment episodes). The greatest improvements in CDLQI scores were seen in the PASI ≥90 response category, with an estimated marginal mean change in CDLQI score of -6.6 (95% CI, -7.5 to -5.7). The greatest improvements in CDLQI scores were also observed in the BSA ≥90 response category, with an estimated marginal mean change in CDLQI score of -6.8 (95% CI, -7.5 to -6.1). Systemic treatment demonstrated a greater degree of improvement of CDLQI compared with topical treatment, independent of PASI response categories. Conclusions and Relevance This cohort study in a real-world setting found that the greatest improvements in QOL were associated with PASI 90 or greater, a decrease in BSA involvement of 90% or greater, and systemic treatments. These findings suggest that reaching PASI 90 or greater and decreasing BSA involvement by at least 90% may be clinically meaningful treatment goals that will help pediatric patients with psoriasis reach optimal QOL.
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Efficacy and safety of ixekizumab in a phase III, randomized, double-blind, placebo-controlled study in paediatric patients with moderate-to-severe plaque psoriasis (IXORA-PEDS). Br J Dermatol 2020; 183:231-241. [PMID: 32316070 PMCID: PMC7496501 DOI: 10.1111/bjd.19147] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2020] [Indexed: 01/02/2023]
Abstract
Background Plaque psoriasis affects children and adults, but treatment options for paediatric psoriasis are limited. Objectives To evaluate the efficacy and safety of ixekizumab (IXE), a high‐affinity monoclonal antibody that selectively targets interleukin‐17A, for moderate‐to‐severe paediatric psoriasis. Methods In a randomized, double‐blind, placebo‐controlled, phase III study (IXORA‐PEDS), patients aged 6 to < 18 years with moderate‐to‐severe plaque psoriasis were randomized 2 : 1 to weight‐based dosing of IXE every 4 weeks (IXE Q4W, n = 115) or placebo (n = 56) through week 12, followed by open‐label IXE Q4W. Coprimary endpoints were the proportions of patients at week 12 achieving ≥ 75% improvement in Psoriasis Area and Severity Index (PASI 75) and those achieving a static Physician's Global Assessment score of 0 or 1 (sPGA 0,1). Results IXE was superior (P < 0·001) to placebo for both coprimary endpoints of PASI 75 (IXE Q4W, 89%; placebo, 25%) and sPGA (0,1) (IXE Q4W, 81%; placebo, 11%). IXE was also superior for all gated secondary endpoints, including PASI 75 and sPGA (0,1) at week 4, improvement in itch, and complete skin clearance. IXE Q4W provided significant (P < 0·001) improvements vs. placebo in quality of life and clearance of scalp and genital psoriasis. Responses at week 12 were sustained or further improved through week 48. Through week 12, 45% (placebo) and 56% (IXE) of patients reported treatment‐emergent adverse events. One serious adverse event was reported (IXE), one patient discontinued due to an adverse event (placebo) and no deaths were reported. Conclusions IXE was superior to placebo in the treatment of moderate‐to‐severe paediatric psoriasis, and the safety profile was generally consistent with that observed in adults. What is already known about this topic? Paediatric psoriasis affects approximately 1% of children and can negatively impact health‐related quality of life. Treatment options for paediatric psoriasis are typically limited to off‐label treatments and approved systemic biologics. Ixekizumab, a high‐affinity monoclonal antibody that selectively targets interleukin‐17A, is approved for moderate‐to‐severe plaque psoriasis in adults and was recently approved by the US Food and Drug Administration for moderate‐to‐severe paediatric psoriasis.
What does this study add? Ixekizumab resulted in rapid and statistically significant improvements over placebo in skin involvement, itch and health‐related quality of life, which persisted through 48 weeks of treatment in paediatric patients with moderate‐to‐severe plaque psoriasis. The safety profile of ixekizumab was generally consistent with that seen in adults. Ixekizumab may be an additional potential therapeutic option and an additional class of biologic therapy (interleukin‐17A antagonist) for the treatment of moderate‐to‐severe paediatric psoriasis.
Plain language summary available online
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Treatment persistence in paediatric and adolescent patients with psoriasis followed into young adulthood. From topical to systemic treatment: a prospective, longitudinal, observational cohort study of 448 patients. Br J Dermatol 2020; 184:464-472. [PMID: 32510578 PMCID: PMC7984075 DOI: 10.1111/bjd.19301] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2020] [Indexed: 12/22/2022]
Abstract
Background Although solely topical treatment often suffices, patients with psoriasis may require more intensive treatment (phototherapy and/or systemic treatments) to control their disease. However, in paediatric, adolescent and young adult patients, little is known about persistence of topical treatment and time until switch to systemic treatment. Objectives To determine the median time from psoriasis onset until (i) discontinuation of solely topical agents and (ii) switch to systemic treatment, and to identify patient characteristics associated with switching to systemic treatments. Methods Data were extracted from the Child‐CAPTURE registry, a prospective, observational cohort of patients with paediatric‐onset psoriasis followed into young adulthood from 2008 to 2018. Data prior to inclusion in the registry were collected retrospectively. Median times were determined through Kaplan–Meier survival analyses. Cox regression analysis was used to identify patient characteristics associated with switch to systemic treatment. Results Of 448 patients, 62·3% stayed on solely topical treatment until data lock; 14·3% switched from topicals to phototherapy, but not to systemic treatment; and 23·4% switched to systemic treatment. The median time from psoriasis onset until discontinuation of solely topical treatment was 7·3 years, and until switch to systemics was 10·8 years. Higher Psoriasis Area and Severity Index and (Children’s) Dermatology Life Quality Index > 5 were independently associated with switching to systemic treatment. Conclusions In a population of paediatric and adolescent patients with mild‐to‐severe psoriasis, one‐third needed more intensive treatment than solely topical therapy to control their disease. We consider the median time until switching to systemics to be long. What is already known about this topic? Psoriasis in the majority of paediatric and adolescent patients can be adequately managed with solely topical treatment. However, some patients require a switch to more intensive treatment in order to control their disease. Little is known about persistence of topical treatment and time until switch to systemic treatment.
What does this study add? In 448 paediatric patients with mild‐to‐severe psoriasis, 62·3% persisted on solely topical treatment, 14·3% switched to phototherapy, but not to systemics, and 23·4% switched to systemic treatment at data lock (total median follow‐up 4·2 years, interquartile range 1·8–7·5). The median time from psoriasis onset until discontinuation of solely topical treatment was 7·3 years, and until switch to systemic treatment 10·8 years. Higher Psoriasis Area and Severity Index and (Children’s) Dermatology Life Quality Index > 5 at switch were independent characteristics associated with switching to systemic treatment.
Linked Comment: Salman. Br J Dermatol 2021; 184:387–388. Plain language summary available online
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Sjögren-Larsson syndrome: The mild end of the phenotypic spectrum. JIMD Rep 2020; 53:61-70. [PMID: 32395410 PMCID: PMC7203653 DOI: 10.1002/jmd2.12099] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/19/2020] [Accepted: 01/21/2020] [Indexed: 12/18/2022] Open
Abstract
Sjögren-Larsson syndrome (SLS) is a rare inborn error of lipid metabolism. The syndrome is caused by mutations in the ALDH3A2 gene, resulting in a deficiency of fatty aldehyde dehydrogenase. Most patients have a clearly recognizable severe phenotype, with congenital ichthyosis, intellectual disability, and spastic diplegia. In this study, we describe two patients with a remarkably mild phenotype. In both patients, males with actual ages of 45 and 61 years, the diagnosis was only established at an adult age. Their skin had been moderately affected from childhood onward, and both men remained ambulant with mild spasticity of their legs. Cognitive development, as reflected by school performance and professional career, had been unremarkable. Magnetic resonance spectroscopy of the first patient was lacking the characteristic lipid peak. We performed a literature search to identify additional SLS patients with a mild phenotype. We compared the clinical, radiologic, and molecular features of the mildly affected patients with the classical phenotype. We found 10 cases in the literature with a molecular proven diagnosis and a mild phenotype. Neither a genotype-phenotype correlation nor an alternative explanation for the strikingly mild phenotypes was found. New biochemical techniques to study the underlying metabolic defect in SLS, like lipidomics, may in the future help to unravel the reasons for the exceptionally mild phenotypes. In the meantime, it is important to recognize these mildly affected patients to provide them with appropriate care and genetic counseling, and to increase our insights in the true disease spectrum of SLS.
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Oculoectodermal Syndrome - Encephalocraniocutaneous Lipomatosis Associated with NRAS Mutation. Acta Derm Venereol 2020; 100:adv00103. [PMID: 31633190 PMCID: PMC9234940 DOI: 10.2340/00015555-3358] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/18/2019] [Indexed: 11/16/2022] Open
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Highlights of the updated Dutch evidence- and consensus-based guideline on psoriasis 2017. Br J Dermatol 2019; 180:31-42. [PMID: 30604536 PMCID: PMC6849803 DOI: 10.1111/bjd.17198] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/02/2018] [Indexed: 12/31/2022]
Abstract
Linked Comment: https://doi.org/10.1111/bjd.17390.
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The association of scalp psoriasis with overall psoriasis severity and koebnerization in children: cross-sectional findings from the Dutch Child-CAPTURE registry. Br J Dermatol 2019; 181:1099-1101. [PMID: 31127952 DOI: 10.1111/bjd.18168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Sustained long-term efficacy and safety of adalimumab in paediatric patients with severe chronic plaque psoriasis from a randomized, double-blind, phase III study. Br J Dermatol 2019; 181:1177-1189. [PMID: 31017657 PMCID: PMC6916374 DOI: 10.1111/bjd.18029] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/22/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND Adalimumab (ADA) (Humira® , AbbVie Inc., U.S.A.) is approved by the European Medicines Agency for children aged ≥ 4 years with severe plaque psoriasis. OBJECTIVES To evaluate the long-term efficacy and safety of ADA in children with severe plaque psoriasis. METHODS Results are presented from the 52-week long-term extension (LTE) of the randomized, double-blind, double-dummy, phase III trial, in children with severe plaque psoriasis (results from prior periods have been published). Patients aged ≥ 4 and < 18 years were randomized 1 : 1 : 1 to ADA 0·8 mg kg-1 (40 mg maximum) or 0·4 mg kg-1 (20 mg maximum) every other week or to methotrexate (MTX) 0·1-0·4 mg kg-1 (25 mg maximum) weekly. The 16-week initial treatment (IT) period was followed by a 36-week withdrawal period and a 16-week retreatment period. Patients could enter the LTE at prespecified time points to receive ADA 0·8 mg kg-1 (blinded or open label) or ADA 0·4 mg kg-1 (blinded), or to remain off treatment. Efficacy is reported for patient groups according to doses received in the IT and LTE periods. RESULTS Of the 114 patients randomized in the IT period, 108 entered the LTE (n = 36 in each group); 93 received ADA 0·8 mg kg-1 . Efficacy (≥ 75% improvement from baseline in Psoriasis Area and Severity Index) was maintained or improved from entry to the end of the LTE: MTX(IT)/ADA 0·8(LTE) 31-86% of patients; ADA 0·4(IT)/0·4 or 0·8(LTE) 28-47%; ADA 0·8(IT)/0·8(LTE) 50-72%. No serious infections occurred in the LTE. CONCLUSIONS After 52 weeks of long-term ADA treatment in children aged 4-18 years with severe plaque psoriasis, disease severity was reduced and maintained or further improved, as demonstrated by efficacy outcomes. No new safety risks were identified. What's already known about this topic? The results from the first three periods of this phase III trial in children aged 4-18 years with severe plaque psoriasis suggest that adalimumab is a safe and efficacious treatment option in this population. What does this study add? This is the first study to evaluate long-term treatment of adalimumab in children with severe psoriasis, and the first to evaluate switching from methotrexate to adalimumab in this population.
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Recessive mosaicism in ABCA12 causes blaschkoid congenital ichthyosiform erythroderma. Br J Dermatol 2019; 182:208-211. [PMID: 31206590 DOI: 10.1111/bjd.18216] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2019] [Indexed: 11/26/2022]
Abstract
We report the unique case of a 3-year-old girl who presented with linear erythematosquamous lesions following the lines of Blaschko, suggestive of genetic mosaicism in the skin. Single-candidate gene analyses were performed on DNA from blood, excluding Conradi-Hünermann-Happle syndrome, erythrokeratodermia variabilis and a mosaic presentation of pityriasis rubra pilaris. With whole-exome sequencing (WES) on DNA from the patient's blood, a heterozygous missense mutation in exon 25 of the ABCA12 gene was detected. By manually scrutinizing the WES data, another low-percentage pathogenic frameshift mutation was found in the adjacent exon 26 of the same gene. This frameshift mutation was confirmed with Sanger sequencing in DNA isolated from a lesional skin biopsy. A subsequent cloning experiment was performed to prove that the patient is compound heterozygous for both mutations in the affected skin, explaining the blaschkoid ichthyosiform erythrodermic phenotype. The patient's phenotype was elucidated by the combination of a germline mutation and an acquired postzygotic mutation in ABCA12, resulting in the diagnosis of a mosaic manifestation of autosomal recessive congenital ichthyosis. Postzygotic compound allelic loss in autosomal recessive disorders is extremely rare and will not appear as the typical phenotype of the known germline mutation-associated disease. This is the first report of a proven biallelic mosaic presentation of an autosomal recessive genodermatosis, and we propose the term 'recessive mosaicism' for this kind of manifestation. What's already know about this topic? Specific mutations in the ABCA12 lipid transporter are known to cause different phenotypes like harlequin ichthyosis, congenital ichthyosiform erythroderma and lamellar ichthyosis. In mosaicism, two or more cell populations that are genetically different arise postzygotically in the developing embryo. In the skin, mosaicism can present itself in different patterns of affected skin, often caused by a dominant genetic mutation. What does this study add? We report a unique patient with blaschkoid congenital ichthyosiform erythroderma due to biallelic mutations, one inherited germline missense mutation and the other a postzygotic frameshift mutation in the ABCA12 gene. This study describes the diagnostic approach and applied research that can be used if one encounters a similar diagnostic dilemma with manifestations suspected for genetic mosaicism. We propose the term 'recessive mosaicism' for this kind of mosaic presentation of an autosomal recessive genodermatosis.
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Beliefs About Medicines in Patients with Psoriasis Treated with Methotrexate or Biologics: A Cross-sectional Survey Study. Acta Derm Venereol 2019; 99:386-392. [PMID: 30543381 DOI: 10.2340/00015555-3108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Methotrexate (MTX) and biologics are frequently used treatments for psoriasis. Exploring patients' beliefs about their treatment may help to elucidate patients' attitudes towards these therapies. A cross-sectional survey was conducted using the Beliefs about Medicines Questionnaire-Specific (BMQ-Specific) in patients treated with methotrexate or biologics. BMQ-Specific scores (Necessity and Concerns scales) were calculated and patients were classified as "accepting", "indifferent", "ambivalent" or "sceptical" towards their treat-ment. Biologics users scored higher on the Necessity scale than did methotrexate users. Both groups had lower Concerns scores than Necessity scores. A high Necessity scale was associated with a low Psoriasis Area and Severity Index score in both groups and long treatment duration in the methotrexate group. Although this study cannot make a direct comparison, it was observed that most patients on biologics could be classified as "accepting" (59%), and most patients on MTX could be classified as "indifferent" (47%). In conclusion, the BMQ-Specific is useful to identify patients with a sceptical, ambivalent or indifferent profile. These profiles may negatively influence patient's attitude towards their medication.
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Nail Involvement as a Predictor of Disease Severity in Paediatric Psoriasis: Follow-up Data from the Dutch ChildCAPTURE Registry. Acta Derm Venereol 2019; 99:152-157. [PMID: 30206638 DOI: 10.2340/00015555-3036] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Little is known about the relationship between nail psoriasis and psoriasis severity in children, and there has been no longitudinal assessment of psoriasis severity related to nail psoriasis. The aim of this study was to assess whether nail psoriasis could serve as a predictor for a more severe disease course. De-identified data were obtained from the ChildCAPTURE registry, a daily clinical practice cohort of children with psoriasis, from September 2008 to November 2015. Cross-sectional analyses were performed at baseline. Longitudinal data until 2-year follow-up were analysed by linear mixed models. Nail psoriasis was present in 19.0% of all 343 patients at baseline and cross-sectionally associated with higher Psoriasis Area and Severity Index (PASI) (p = 0.033). Longitudinal analysis demonstrated higher PASI (p <0.001) during 2-year follow-up in patients with nail involvement at baseline. These findings suggest that nail psoriasis is a potential clinical predictor for more severe disease course over time in paediatric psoriasis.
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Safety of Adalimumab in Pediatric Patients with Polyarticular Juvenile Idiopathic Arthritis, Enthesitis-Related Arthritis, Psoriasis, and Crohn's Disease. J Pediatr 2018; 201:166-175.e3. [PMID: 30054164 DOI: 10.1016/j.jpeds.2018.05.042] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 05/18/2018] [Accepted: 05/25/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To evaluate the safety of adalimumab in pediatric patients who participated in clinical trials of juvenile idiopathic arthritis (polyarticular juvenile idiopathic arthritis and pediatric enthesitis-related arthritis), psoriasis, and Crohn's disease. STUDY DESIGN This analysis included data from 7 global, randomized, and open-label AbbVie-sponsored clinical trials of adalimumab and their open-label extensions conducted between September 2002 and December 31, 2015 (cutoff date for ongoing studies). Patients who received ≥1 dose of adalimumab subcutaneously were included. Adverse events that occurred after the first dose of adalimumab and up to 70 days (5 half-lives) after the last dose were reported and events per 100 patient-years were calculated. RESULTS The analysis included 577 pediatric patients, representing 1440.7 patient-years of adalimumab exposure. Across indications, the most commonly reported adverse events (events/100 patient-years) were upper respiratory tract infections (24.3), nasopharyngitis (17.3), and headache (19.9). Serious infections (4.0 events/100 patient-years) were the most frequent serious adverse events across indications; the most commonly reported was pneumonia (0.6 events/100 patient-years). Serious infection rates were 2.7, 0.8, and 6.6 events/100 patient-years in patients with juvenile idiopathic arthritis, psoriasis, and Crohn's disease, respectively. No events of malignancies were reported. One death (accidental fall) occurred in a patient with psoriasis. CONCLUSIONS The safety profile of adalimumab in pediatric patients with polyarticular juvenile idiopathic arthritis, enthesitis-related arthritis, psoriasis, and Crohn's disease was generally similar across indications; no new safety signals were identified in the treatment of pediatric patients with adalimumab. TRIAL REGISTRATION Clinicaltrials.gov: NCT00048542, NCT00775437, NCT00690573, NCT01166282, NCT01251614, NCT00409682, and NCT00686374.
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A cross-sectional study in young adults with psoriasis: potential determining factors in quality of life, life course and work productivity. J DERMATOL TREAT 2018; 30:208-215. [PMID: 30102075 DOI: 10.1080/09546634.2018.1506077] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Psoriasis can have a substantial impact on health-related quality of life (HRQoL), life course, and work productivity. Young adulthood is a critical, sensitive period of development that includes major life changing decisions. The impact of psoriasis on this vulnerable population is yet unknown. OBJECTIVES To assess QoL, life course, and work productivity in young adults with psoriasis and identify characteristics influencing these patient-reported outcomes (PRO). METHODS An explorative, cross-sectional study was performed in psoriasis patients aged 18-30 years. Individuals completed a set of questionnaires regarding their health status (DLQI, SF-36, EQ-5D), achievement of developmental milestones (COLQ), and work productivity (WPAI-PSO, PRODISQ). RESULTS Seventy-five patients (22 males, 53 females; median age [IQR], 21.0 [8.0]). Median PASI and BSA, respectively, were 4.4 [4.9] and 4.5 [8.4]. Young adults experienced feelings of embarrassment, impairments in physical health and work productivity, and difficulties in social development. Patients with more severe psoriasis, longer disease duration, higher body mass index (BMI), female patients and patients closer to their thirties tended to be more affected. CONCLUSION In the young adult psoriasis population, substantial QoL impairments were found. Female patients, patients with high BMI, or long disease duration in particular tended to experience more difficulties. These exploratory findings indicate the need for further studies in young adults to detect potential clinical predictors for severe HRQoL impairments.
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Abstract
Importance Use of systemic therapies for moderate to severe psoriasis in children is increasing, but comparative data on their use and toxicities are limited. Objective To assess patterns of use and relative risks of systemic agents for moderate to severe psoriasis in children. Design, Setting, and Participants A retrospective review was conducted at 20 centers in North America and Europe, and included all consecutive children with moderate to severe psoriasis who used systemic medications or phototherapy for at least 3 months from December 1, 1990, to September 16, 2014. Main Outcomes and Measures The minimal core data set included age, sex, severity of psoriasis, systemic interventions, monitoring, adverse events (AEs), and reason for discontinuation. Results For 390 children (203 girls and 187 boys; mean [SD] age at diagnosis, 8.4 [3.7] years) with psoriasis who used 1 or more systemic medications, the mean interval between diagnosis and starting systemic therapy was 3.0 years. Methotrexate was used by 270 patients (69.2%), biologic agents (primarily etanercept) by 106 (27.2%), acitretin by 57 (14.6%), cyclosporine by 30 (7.7%), fumaric acid esters by 19 (4.9%), and more than 1 medication was used by 73 (18.7%). Of 270 children taking methotrexate, 130 (48.1%) reported 1 or more AEs associated with methotrexate, primarily gastrointestinal (67 [24.8%]). Folic acid 6 days per week (odds ratio, 0.16; 95% CI, 0.06-0.41; P < .001) or 7 days per week (OR, 0.21; 95% CI, 0.08-0.58; P = .003) protected against gastrointestinal AEs more than once-weekly folic acid, regardless of the total weekly dosage. Methotrexate-associated hepatic transaminase elevations were associated with obesity (35 of 270 patients [13.0%]), but a folic acid regimen was not. Injection site reactions occurred in 20 of 106 patients (18.9%) treated with tumor necrosis factor inhibitors, but did not lead to discontinuation of treatment. Having 1 or more AEs related to medication, gastrointestinal AE, laboratory abnormality, or AE leading to discontinuation of the drug was more likely with methotrexate than tumor necrosis factor inhibitors, but having 1 or more infections related to medication (predominantly upper airway) was less likely. Six patients developed a serious treatment-related AE (methotrexate, 3; fumaric acid esters, 2; and adalimumab, 1), but methotrexate and biologic agents were taken for a mean duration that was 2-fold greater than the mean duration for cyclosporine or fumaric acid esters. No patient developed tuberculosis or a malignant neoplasm. Conclusions and Relevance Medication-related AEs occur less often with tumor necrosis factor inhibitors than with methotrexate. Folic acid administration 6 or 7 times per week protected more against methotrexate-induced gastrointestinal AEs than did weekly administration. A prospective registry is needed to track the long-term risks of systemic agents for pediatric psoriasis.
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Response of the Endothelium to the Epicutaneous Application of Leukotriene B4. Skin Pharmacol Physiol 2017; 30:306-314. [PMID: 29050008 DOI: 10.1159/000481204] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 09/01/2017] [Indexed: 01/24/2023]
Abstract
BACKGROUND Vascular changes, both endothelial and functional, are crucial events in inflammatory responses. OBJECTIVES To investigate the dynamics of endothelial cell (EC) and functional changes during acute inflammation in an in vivo model of the skin using leukotriene B4. METHODS EC proliferation, vascular network size, vessel diameter (VD), and hypoxia-inducible factor (HIF)-1α were studied by immunohistochemical CD31/Ki67 double staining and single staining of HIF-1α. Cutaneous perfusion (CP) was assessed using the Twente Optical Perfusion Camera. RESULTS The initial phase illustrated an increase in VD, Ki67+ EC, and HIF-1α expression and late-phase vascular expansion. The HIF-1α and Ki67+ EC expression was limited. CP and VD were augmented after 24 h. CONCLUSION The early phase of inflammation is characterized by EC proliferation and HIF-1α expression. Vascular expansion continues over time. CP and VD are seen in both phases of inflammation. Angiogenesis, vascular network formation, and perfusion are time-dependent processes which are mutually related during inflammation.
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When does atopic dermatitis warrant systemic therapy? Recommendations from an expert panel of the International Eczema Council. J Am Acad Dermatol 2017; 77:623-633. [PMID: 28803668 DOI: 10.1016/j.jaad.2017.06.042] [Citation(s) in RCA: 145] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Revised: 06/15/2017] [Accepted: 06/19/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Although most patients with atopic dermatitis (AD) are effectively managed with topical medication, a significant minority require systemic therapy. Guidelines for decision making about advancement to systemic therapy are lacking. OBJECTIVE To guide those considering use of systemic therapy in AD and provide a framework for evaluation before making this therapeutic decision with the patient. METHODS A subgroup of the International Eczema Council determined aspects to consider before prescribing systemic therapy. Topics were assigned to expert reviewers who performed a topic-specific literature review, referred to guidelines when available, and provided interpretation and expert opinion. RESULTS We recommend a systematic and holistic approach to assess patients with severe signs and symptoms of AD and impact on quality of life before systemic therapy. Steps taken before commencing systemic therapy include considering alternate or concomitant diagnoses, avoiding trigger factors, optimizing topical therapy, ensuring adequate patient/caregiver education, treating coexistent infection, assessing the impact on quality of life, and considering phototherapy. LIMITATIONS Our work is a consensus statement, not a systematic review. CONCLUSION The decision to start systemic medication should include assessment of severity and quality of life while considering the individual's general health status, psychologic needs, and personal attitudes toward systemic therapies.
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Long-term outcome of eosinophilic fasciitis: A cross-sectional evaluation of 35 patients. J Am Acad Dermatol 2017; 77:512-517.e5. [PMID: 28734566 DOI: 10.1016/j.jaad.2017.05.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 05/12/2017] [Accepted: 05/15/2017] [Indexed: 10/19/2022]
Abstract
BACKGROUND Eosinophilic fasciitis (EF) is a connective tissue disease with an unknown long-term course. OBJECTIVE To evaluate presence and determinants of residual disease damage in patients with EF after long-term follow-up. METHODS Patients with biopsy-proven EF were included for this cross-sectional study. Outcome measures included the Physician's Global Assessment of Disease Activity, Physician's Global Assessment of Damage (PhysGA-D), skin pliability scores, passive range of motion, and health-related quality of Life (HRQoL) questionnaires. RESULTS In total, 35 patients (24 of whom were female [68.6%]) with a median age of 60 years participated. All patients had detectable residual damage. Impairment of HRQoL, assessed by the Dermatology Quality of Life Index and the 36-Item Short-Form Survey, correlated to the extent of residual damage. The PhysGA-D score at participation correlated to signs of severe disease at presentation, such as increased C-reactive protein level (Spearman's rho [rs ] = 0.486, P = .006), involvement of the neck (rs = 0.528, P = .001) and trunk (rs = 0.483, P = .003), prolonged time to disease remission (rs = 0.575, P = .003), and presence of concomitant morphea (rs = 0.349, P = .040). Lastly, maximum methotrexate dose correlated negatively to PhysGA-D score at study participation (rs = -0.393, P = .022). LIMITATIONS Sample size. CONCLUSION All patients with EF had detectable residual damage. Impairment of HRQoL correlated to the extent of residual damage. Advanced age and signs of severe disease at presentation were associated with the severity of residual damage.
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Comment on "Review of patient registries in dermatology". J Am Acad Dermatol 2016; 75:e241. [PMID: 27846976 DOI: 10.1016/j.jaad.2016.05.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 05/09/2016] [Accepted: 05/12/2016] [Indexed: 10/20/2022]
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Drug Survival and Predictors of Drug Survival for Methotrexate Treatment in a Retrospective Cohort of Adult Patients with Localized Scleroderma. Acta Derm Venereol 2016; 96:943-947. [PMID: 26983450 DOI: 10.2340/00015555-2411] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Data regarding the efficacy and safety of methotrexate (MTX) in adults with localized scleroderma (LoS) is scarce. This study gathered data from a retrospective cohort of adult patients with LoS (n?=?107), treated with MTX (1993-2015). MTX drug survival and predictors thereof were analysed. After 1 and 2 years, 26% and 63% of patients stopped MTX due to disease remission, respectively. Patients with younger age at MTX initiation (hazard ratio (HR) 1.159 (95% confidence interval (CI) 1.052-1.277)) and those with no other autoimmune diseases (HR 3.268 (95% CI 1.334-8.009)) more often stopped MTX due to disease remission. In addition, 24% of patients stopped MTX due to treatment failure within one year. Patients with circumscribed superficial LoS (HR 0.221 (95% CI 0.081-0.601)) experienced treatment failure less often than those with other LoS subtypes. Finally, adding folic acid (HR 0.184 (95% CI 0.079-0.425)) and reducing treatment delay (HR 1.056 (95% CI 1.004-1.112)) could be the most important factors in minimizing MTX treatment failure in LoS in clinical practice.
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AP1S3 Mutations Cause Skin Autoinflammation by Disrupting Keratinocyte Autophagy and Up-Regulating IL-36 Production. J Invest Dermatol 2016; 136:2251-2259. [PMID: 27388993 PMCID: PMC5070969 DOI: 10.1016/j.jid.2016.06.618] [Citation(s) in RCA: 112] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 06/15/2016] [Accepted: 06/25/2016] [Indexed: 12/30/2022]
Abstract
Prominent skin involvement is a defining characteristic of autoinflammatory disorders caused by abnormal IL-1 signaling. However, the pathways and cell types that drive cutaneous autoinflammatory features remain poorly understood. We sought to address this issue by investigating the pathogenesis of pustular psoriasis, a model of autoinflammatory disorders with predominant cutaneous manifestations. We specifically characterized the impact of mutations affecting AP1S3, a disease gene previously identified by our group and validated here in a newly ascertained patient resource. We first showed that AP1S3 expression is distinctively elevated in keratinocytes. Because AP1S3 encodes a protein implicated in autophagosome formation, we next investigated the effects of gene silencing on this pathway. We found that AP1S3 knockout disrupts keratinocyte autophagy, causing abnormal accumulation of p62, an adaptor protein mediating NF-κB activation. We showed that as a consequence, AP1S3-deficient cells up-regulate IL-1 signaling and overexpress IL-36α, a cytokine that is emerging as an important mediator of skin inflammation. These abnormal immune profiles were recapitulated by pharmacological inhibition of autophagy and verified in patient keratinocytes, where they were reversed by IL-36 blockade. These findings show that keratinocytes play a key role in skin autoinflammation and identify autophagy modulation of IL-36 signaling as a therapeutic target.
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Use of Mycophenolate Mofetil in Patients with Severe Localized Scleroderma Resistant or Intolerant to Methotrexate. Acta Derm Venereol 2016; 96:510-3. [PMID: 26582717 DOI: 10.2340/00015555-2297] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
To assess the efficacy and safety of mycophenolate mofetil (MMF) in patients with localized scleroderma (LoS) resistant or intolerant to previous treatment with methotrexate (MTX). A case series of patients with LoS treated with MMF. Outcome was assessed through clinical examination. Adverse events were documented. Seven patients with LoS were treated with MMF. Median age at MMF initiation was 15 years (range 7-74 years). Three patients received MMF due to MTX ineffectiveness and 4 due to MTX intolerance. Disease remission was achieved in 4 patients and maintained in one patient. One patient showed a favourable response, but had to discontinue treatment due to elevated liver enzymes. The remaining patient experienced disease progression. MMF was shown to improve the clinical condition of patients with refractory LoS and may be a relatively safe alternative in patients who are intolerant to MTX.
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Effectiveness of Biologic and Conventional Systemic Therapies in Adults with Chronic Plaque Psoriasis in Daily Practice: A Systematic Review. Acta Derm Venereol 2016; 96:453-8. [PMID: 26537336 DOI: 10.2340/00015555-2276] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The efficacy of biologic or conventional systemic therapies for psoriasis has been shown in randomized controlled trials. Effectiveness, however, has been studied in daily practice cohorts, and no aggregation of effectiveness data is available. This systematic review searched PubMed and EMBASE and summarized the real-world evidence on effectiveness of biologics (adalimumab, etanercept, infliximab and ustekinumab) and conventional systemic therapies (acitretin, cyclosporine, fumarates and methotrexate) for the treatment of plaque psoriasis in adults. Thirty-two studies were included. Few data were available on infliximab, ustekinumab and conventional systemics. Results show that biologics and conventional systemics were effective in real-life treatment of psoriasis, with large ranges in the percentage of patients reaching 75% improvement in psoriasis area and severity index score compared with baseline, especially for etanercept and adalimumab treatment. Combination therapies of biologics with conventional systemics, and dose adjustments of biologics were frequently applied strategies and may explain the large range in improvements between cohorts.
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Zileuton for Pruritus in Sjögren-Larsson Syndrome: A Randomized Double-blind Placebo-controlled Crossover Trial. Acta Derm Venereol 2016; 96:255-6. [PMID: 26123322 DOI: 10.2340/00015555-2195] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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