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IMPORTANCE Hidradenitis suppurativa (HS) is a disease of the terminal hair follicle in apocrine gland-enriched skin areas, where immunobiology dysregulation of mesenchymal stem cells (MSCs) may have a key role. OBJECTIVE To investigate the MSC profile in patients with HS and in healthy controls.
IMPORTANCE Hidradenitis suppurativa (HS) is a disease of the terminal hair follicle in apocrine gland-enriched skin areas, where immunobiology dysregulation of mesenchymal stem cells (MSCs) may have a key role. OBJECTIVE To investigate the MSC profile in patients with HS and in healthy controls.
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 Ն90) 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 Ն90 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 Ն90 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.
The clinical benefits of novel treatments for moderate to severe psoriasis are well established, but wide variations exist in patient response across different therapies. In the absence of head-to-head randomized trials, meta-analyses synthesizing data from multiple studies are needed to assess comparative efficacy among psoriasis treatments.OBJECTIVE To estimate the relative short-term and long-term efficacy of biologics and oral agents for the treatment of moderate to severe psoriasis.DATA SOURCES A systematic literature review was conducted on December 4, 2017, and updated on September 17, 2018. The Embase, MEDLINE, and Cochrane Central Register databases were included.STUDY SELECTION Phase 2, 3, or 4 randomized clinical trials of treatments licensed by the US Food and Drug Administration and the European Medicines Agency for adults with moderate to severe psoriasis with data on Psoriasis Area and Severity Index assessment of 75%, 90%, and 100% reductions (PASI 75, 90, and 100) at 10 to 16 weeks (short-term efficacy) or 44 to 60 weeks (long-term efficacy) from baseline.DATA EXTRACTION AND SYNTHESIS Data were extracted based on the Preferred Reporting Items for Systematic Review and Meta-analysis guidelines. A bayesian network meta-analysis was conducted to estimate short-term PASI response rates; to account for variation across trials, an ordinal model that adjusted for reference arm response was implemented. The long-term PASI rates were estimated via a traditional meta-analysis. PASI 75,90, and 100 response rates at 10 to 16 weeks and 44 to 60 weeks from baseline. MAIN OUTCOMES AND MEASURES RESULTSSixty trials meeting all inclusion criteria were included. At weeks 10 to 16, the highest PASI 90 rates were seen with risankizumab-rzaa (71.6%; 95% credible interval [CrI], 67.5%-75.4%), brodalumab (70.8%; 95% CrI, 66.8%-74.6%), ixekizumab (70.6%; 95% CrI, 66.8%-74.6%), and guselkumab (67.3%; 62.5%-71.9%). At weeks 44 to 60, the treatments with the highest PASI 90 rates were risankizumab-rzaa (79.4%, 95% CI, 75.5%-82.9%), guselkumab (76.5%; 95% CI, 72.1%-80.5%), brodalumab (74.0%; 95% CI, 69.3%-78.1%), and ixekizumab (73.9%; 95% CI, 69.9%-77.5%). Findings were consistent for short-term and long-term PASI 75 and 100 responses. CONCLUSIONS AND RELEVANCEThis study provides an assessment of the comparative efficacy among treatments for moderate to severe plaque psoriasis. The meta-analysis suggests that brodalumab, guselkumab, ixekizumab, and risankizumab-rzaa were associated with the highest PASI response rates in both short-term and long-term therapy.
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