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Background: Patients with psoriasis require long-term management; therefore, understanding the long-term safety of new treatments, such as bimekizumab (BKZ), is crucial., Objectives: To evaluate BKZ's 3-year safety profile in patients with moderate-to-severe plaque psoriasis., Methods: Three years of safety data were pooled from three phase III trials (BE VIVID, BE READY and BE SURE) and their ongoing open-label extension (BE BRIGHT). Treatment-emergent adverse events (TEAEs) are reported using exposure-adjusted incidence rates (EAIRs) per 100 patient-years (PY)., Results: In total, 1495 patients received at least one BKZ dose; total BKZ exposure was 3876.4 PY. The overall EAIR of TEAEs was 175.5/100 PY and decreased with longer exposure to BKZ. The most commonly reported TEAEs were nasopharyngitis, oral candidiasis and upper respiratory tract infection (EAIRs of 15.0/100 PY, 10.1/100 PY and 6.5/100 PY, respectively); 99.3% of oral candidiasis events were mild or moderate in severity, none were serious and few led to discontinuation. EAIRs of other TEAEs of interest were low, including serious infections (1.2/100 PY), adjudicated inflammatory bowel disease (0.2/100 PY) and laboratory elevations in aspartate aminotransferase or alanine aminotransferase (> 5 × upper limit of normal: 0.6/100 PY)., Conclusions: In these analyses pooled across 3 years, no new safety signals were observed with longer exposure to BKZ. The vast majority of oral candidiasis events were mild or moderate in severity, as reported previously., (© The Author(s) 2023. Published by Oxford University Press on behalf of British Association of Dermatologists.)

Background: Risankizumab has demonstrated efficacy and safety in patients with moderate-to-severe plaque psoriasis in randomized clinical trials., Objectives: To evaluate safety data from risankizumab psoriasis phase I-III clinical trials., Methods: Short-term safety (through week 16) was analysed using integrated data from five phase II and III clinical trials. Long-term safety was evaluated using integrated data from 17 phase I-III completed and ongoing trials., Results: Short-term safety analyses included 1306 patients receiving risankizumab 150 mg and 300 patients receiving placebo [402·2 and 92·0 patient-years (PY) of exposure, respectively]. Long-term analyses included 3072 risankizumab-treated patients (exposure: 7927 PY). The median (excluding four outliers) treatment duration was 2·9 years (range 2 days to 5·9 years). Exposure-adjusted adverse event rates did not increase with long-term treatment (318 vs. 171 events per 100 PY for short- and long-term analyses). With long-term risankizumab treatment, rates of serious adverse events were 7·8 per 100 PY, serious infections 1·2 per 100 PY, nonmelanoma skin cancer (NMSC) 0·7 per 100 PY, malignant tumours excluding NMSC 0·5 per 100 PY, and adjudicated major adverse cardiovascular events 0·3 per 100 PY, with no important identified risks. Limitations include that the study inclusion and exclusion criteria varied and that three studies enrolled ≤ 50 patients., Conclusions: Risankizumab demonstrated a favourable safety profile over short- and long-term treatment in patients with moderate-to-severe psoriasis., (© 2021 The Authors. British Journal of Dermatology published by John Wiley & Sons Ltd on behalf of British Association of Dermatologists.)

Background: Psoriasis is a chronic disease requiring long-term therapy., Objectives: Physician- and patient-reported outcomes were evaluated through week 252 in VOYAGE 1 and VOYAGE 2., Methods: In total, 1829 patients were randomized at baseline to receive guselkumab 100 mg every 8 weeks, placebo or adalimumab. Patients receiving placebo crossed over to guselkumab at week 16. Patients receiving adalimumab crossed over to guselkumab at week 52 in VOYAGE 1, and randomized withdrawal and retreatment occurred at weeks 28-76 in VOYAGE 2; all patients then received open-label guselkumab through week 252. Efficacy and health-related quality of life (HRQoL) endpoints were analysed through week 252. Safety was monitored through week 264., Results: The proportions of patients in the guselkumab group who achieved clinical responses at week 252 in VOYAGE 1 and VOYAGE 2, respectively, were 84·1% and 82·0% [≥ 90% improvement in Psoriasis Area and Severity Index (PASI)]; 82·4% and 85·0% [Investigator's Global Assessment (IGA) 0 or 1]; 52·7% and 53·0% (100% improvement in PASI) and 54·7% and 55·5% (IGA 0). HRQoL endpoints were achieved as follows: 72·7% and 71·1% of patients (Dermatology Life Quality Index 0 or 1: no effect on patient's life); 42·4% and 42·0% [Psoriasis Symptoms and Signs Diary (PSSD) symptom score = 0] and 33·0% and 31·0% (PSSD sign score = 0). As measured in VOYAGE 2 only, approximately 45% of patients achieved ≥ 5-point reduction in Short Form-36 physical and mental component scores, and 80% reported no anxiety or depression (Hospital Anxiety and Depression Scale scores < 8). Similar findings were reported for adalimumab crossovers. These effects were maintained from week 52 in VOYAGE 1 and week 100 in VOYAGE 2. No new safety signals were identified., Conclusions: Guselkumab maintains high levels of clinical response and improvement in patient-reported outcomes through 5 years in patients with moderate-to-severe psoriasis., (© 2021 The Authors. British Journal of Dermatology published by John Wiley & Sons Ltd on behalf of British Association of Dermatologists.)

Background: Certolizumab pegol (CZP) is an Fc-free, PEGylated anti-tumour necrosis factor biologic., Objectives: To report the 3-year efficacy of CZP in plaque psoriasis, pooled from the CIMPASI-1 (NCT02326298) and CIMPASI-2 (NCT02326272) phase III trials., Methods: Adults with moderate-to-severe psoriasis for ≥ 6 months were randomized 2 : 2 : 1 to CZP 200 mg, CZP 400 mg or placebo, every 2 weeks (Q2W) for up to 48 weeks. Patients entering the open-label period (weeks 48-144) from double-blinded CZP initially received CZP 200 mg Q2W. Patients not achieving ≥ 50% improvement in Psoriasis Area and Severity Index (PASI 50) at week 16 entered an open-label CZP 400 mg Q2W escape arm (weeks 16-144). Dose adjustments based on PASI response were permitted during open-label treatment. Outcomes included PASI 75, PASI 90 and Physician's Global Assessment (PGA) 0/1 responder rates, based on a logistic regression model (missing data imputed using Markov Chain Monte Carlo methodology)., Results: In total, 186 patients were randomized to CZP 200 mg Q2W and 175 to CZP 400 mg Q2W. At week 48, PASI 75/90 was achieved by 72·7%/51·3% of patients randomized to CZP 200 mg and 84·4%/62·7% randomized to CZP 400 mg. Patients entering the open-label period at week 48, from blinded treatment, received CZP 200 mg Q2W. At week 144, PASI 75/90 was achieved by 70·6%/48·7% patients randomized to CZP 200 mg and 72·9%/42·7% randomized to CZP 400 mg. At week 16, 72 placebo-randomized patients entered the CZP 400 mg Q2W escape arm; 75.7%/58.5% achieved PASI 75/90 at week 144., Conclusions: Both CZP 200 mg and 400 mg Q2W demonstrated sustained, durable efficacy, with numerically higher responses for some outcomes with 400 mg Q2W., (© 2020 The Authors. British Journal of Dermatology published by John Wiley & Sons Ltd on behalf of British Association of Dermatologists.)

Background: Patients with psoriasis value rapid and complete skin clearance. No head-to-head studies have focused on early responses to interleukin (IL)-17 vs. IL-23 inhibitors., Objectives: To compare early and complete skin clearance by the IL-17A inhibitor ixekizumab vs. the IL-23p19 inhibitor guselkumab., Methods: IXORA-R, a 24-week, randomized, double-blinded study, enrolled adults with moderate-to-severe plaque psoriasis [static Physician's Global Assessment of Disease (sPGA) score of ≥ 3, Psoriasis Area and Severity Index (PASI) ≥ 12, and ≥ 10% body surface area]. Patients were randomized (1 : 1) to receive the approved dose of subcutaneous ixekizumab or guselkumab. Primary end point was 100% improvement in PASI (PASI 100) at week 12. Major secondary end points included other levels of improved PASI and sPGA at different time points. Comparisons were made using the Cochran-Mantel-Haenszel test with a multiple testing strategy. Nonresponder imputation was used for missing data. After the completion of the study, the final secondary end point (PASI 100 at 24 weeks) and safety data through week 24 will be reported., Results: In total, 1027 patients were randomized. The primary end point PASI 100 at week 12 was met [215/520 ixekizumab (41%); 126/507 guselkumab (25%); P < 0·001]. All major secondary end points measured up to week 12 were met, including PASI 50 at week 1 and PASI 75 at week 2. Serious adverse event frequency was 3% for each group; no new safety signals were identified., Conclusions: Ixekizumab was superior to guselkumab for rapidly improving signs and symptoms in patients with moderate-to-severe plaque psoriasis by week 12. Adverse events were similar to previous ixekizumab and guselkumab studies. Compared with the IL-23 inhibitor guselkumab, ixekizumab can offer complete skin clearance more rapidly to patients with moderate-to-severe plaque psoriasis. What's already known about this topic? Patients with plaque psoriasis desire both high levels of clearance and rapid onset of treatment effects. Ixekizumab, a high-affinity monoclonal antibody that selectively targets interleukin (IL)-17A, has demonstrated greater and faster skin clearance than etanercept and ustekinumab, with consistent long-term efficacy, safety and durability of response. Clinical trial data and systematic reviews have suggested that IL-17 inhibitors can improve a patient's psoriasis more rapidly than IL-23 inhibitors. What does this study add? The head-to-head study design directly compares the efficacy and speed of response of ixekizumab and the IL-23 inhibitor guselkumab in moderate-to-severe plaque psoriasis. The primary end point was met, showing superiority of ixekizumab over guselkumab for achieving complete skin clearance at week 12. The safety profile of ixekizumab was consistent with previous studies. Ixekizumab can deliver patients complete skin clearance and improved quality of life more rapidly than guselkumab., (© 2019 The Authors. British Journal of Dermatology published by John Wiley & Sons Ltd on behalf of British Association of Dermatologists.)

Background: Biologics are being used increasingly to treat moderate-to-severe psoriasis. Efficacy may differ in patients with previous exposure to biologics., Objectives: To investigate the impact of previous biologic exposure on the efficacy and safety of brodalumab and ustekinumab in patients with moderate-to-severe plaque psoriasis., Methods: Two placebo- and ustekinumab-controlled phase III clinical trials. There was an initial 12-week induction phase where patients were treated with brodalumab [210 mg or 140 mg every 2 weeks (Q2W)], ustekinumab or placebo. Efficacy end points included ≥ 75% improvement in Psoriasis Area and Severity Index (PASI 75) and static Physician's Global Assessment (score of 0 or 1) vs. placebo, PASI 100 vs. ustekinumab, Dermatology Life Quality Index and Psoriasis Symptom Inventory. Adverse events were monitored throughout., Results: In total, 493 patients [334 (27%) brodalumab 210 mg Q2W and 159 (26%) ustekinumab] had received prior biologics; 150 (12%) and 62 (10%), respectively, reported previously failed treatment with a biologic. Brodalumab efficacy in patients with or without previous exposure to biologics was statistically equivalent: 40·9% and 39·5% of biologic-naive and -experienced patients achieved PASI 100 at week 12, compared with 21·1% and 17·0% with ustekinumab (both P < 0·001). In patients where prior biologics had been successful or failed, 41·7% and 32·0% achieved PASI 100, compared with 21·1% and 11·3% with ustekinumab. Tolerability was similar, and did not appear to be influenced by previous treatment with biologics., Conclusions: The efficacy of brodalumab 210 mg Q2W was similar regardless of prior biological therapy (P = 0·31, 0·32 and 0·64 for PASI 75, 90 and 100, respectively). Almost twice as many patients achieved PASI 100 or complete clearance with brodalumab at week 12 compared with ustekinumab; the differences were most noticeable where previous biologics had failed. Both treatments were well tolerated., (© 2018 British Association of Dermatologists.)

Background: Significant advances have been made in the treatment of moderate-to-severe plaque psoriasis with biological therapies; however, these agents may not work equally in all populations., Objectives: To evaluate the efficacy of guselkumab in patient subgroups with moderate-to-severe psoriasis from the pooled guselkumab VOYAGE 1 and VOYAGE 2 phase III studies., Methods: Using data from the pooled VOYAGE 1 and VOYAGE 2 psoriasis studies, analyses were performed to evaluate the consistency of efficacy [Investigator's Global Assessment (IGA) 0/1 (cleared or minimal psoriasis) and IGA 0 (cleared)] across subpopulations defined by demographics, baseline disease characteristics and previous psoriasis treatment., Results: A total of 1829 patients were randomized. Baseline demographics, disease characteristics and previous psoriasis treatment were comparable across treatment groups in the pooled population. Guselkumab, an anti-interleukin (IL)-23 monoclonal antibody that binds to the p19 subunit of IL-23, provided substantial benefit across almost all subpopulations, with greater proportions of patients achieving IGA 0/1 vs. placebo at week 16, and vs. adalimumab (an antitumour necrosis factor monoclonal antibody) at week 24. Patients treated with guselkumab achieved greater efficacy (IGA 0/1 and IGA 0) compared with adalimumab at week 24 across all weight quartiles, most notably among patients weighing ≥ 100 kg., Conclusions: This analysis demonstrates a high degree of efficacy with guselkumab treatment compared with placebo at week 16 and with adalimumab at week 24 among broad subpopulations of patients with varying baseline demographics, disease characteristics and previous psoriasis treatments., (© 2017 The Authors. British Journal of Dermatology published by John Wiley & Sons Ltd on behalf of British Association of Dermatologists.)

Background: Psoriasis symptoms have a significant negative impact on health-related quality of life, impairing physical functioning and well-being., Objective: To evaluate the impact of brodalumab, a human anti-interleukin-17R monoclonal antibody, on psoriasis symptom severity as measured by a novel patient-reported outcome measure, the Psoriasis Symptom Inventory, and dermatology-specific health-related quality of life as measured by the Dermatology Life Quality Index (DLQI)., Methods: This was a secondary analysis of a phase II, randomized, double-blind, placebo-controlled clinical study of patients with moderate-to-severe psoriasis (n = 198) treated with brodalumab or placebo. This analysis assessed Psoriasis Symptom Inventory scores and DLQI scores over time. Analyses were conducted on all patients who were randomized and received one or more injections of the study drug according to intention to treat using last observation carried forward to impute missing data., Results: At week 12, subjects in the brodalumab groups had significant improvements in mean Psoriasis Symptom Inventory total scores [8.5 (70 mg), 15.8 (140 mg), 16.2 (210 mg) and 12.7 (280 mg)] compared with placebo (4.8). Mean improvements in DLQI were clinically meaningful (≥ 5.7) in the brodalumab groups (6.2, 9.1, 9.6 and 7.1, respectively) and significantly greater than placebo (3.1). Improvements in Psoriasis Symptom Inventory were observed as early as week 2 and in DLQI by week 4. All eight Psoriasis Symptom Inventory item scores improved significantly among the brodalumab groups by week 12., Conclusions: Results were from a single randomized clinical trial and may not generalize to broader patient populations. However, treatment with brodalumab provided significant improvement in psoriasis symptoms in patients with moderate-to-severe psoriasis., (© 2013 The Authors. British Journal of Dermatology published by John Wiley & Sons Ltd on behalf of British Association of Dermatologists.)

Background: Early identification of responsiveness to biologic treatments in psoriasis has significant clinical and economic implications., Objectives: To evaluate whether early clinical improvements in Psoriasis Area and Severity Index (PASI) scores could predict subsequent clinical responses in patients treated with ixekizumab, an anti-interleukin-17 monoclonal antibody., Methods: This post hoc analysis was derived from a phase II study in patients with moderate-to-severe plaque psoriasis (n = 114) who received multiple doses of ixekizumab 10, 25, 75 or 150 mg subcutaneously over 20 weeks. PASI score improvements from baseline to weeks 2, 4 and 6 were evaluated to determine the optimal threshold for predicting subsequent PASI responses at week 12., Results: Early clinical improvement in disease symptoms at weeks 4 and 6 was predictive of ≥ 75% improvement in PASI score (PASI 75) at week 12 with ≥ 90% predictability. A 40-50% improvement in PASI (PASI 40 to PASI 50) from baseline to weeks 4 and 6 was the optimum range for predicting PASI 75 response at week 12. For all doses combined, achieving PASI 40 at week 4 or week 6 was associated with high negative predictive values (NPVs) (80% and 95%, respectively) and positive predictive values (PPVs) (89% and 84%, respectively). For all doses combined, achieving PASI 50 at week 4 or week 6 was associated with NPVs of 71% and 89% and PPVs of 94% and 89%, respectively. Sensitivity analysis with the high-dose group (75 and 150 mg) results confirmed these findings., Conclusions: Early clinical responses (and nonresponse) may help predict later clinical responses in patients treated with ixekizumab., (© 2013 British Association of Dermatologists.)

Background: An unmet need remains for safe and effective long-term treatments of psoriasis., Objectives: To evaluate ustekinumab efficacy and safety for up to 3 years in the PHOENIX 1 trial., Methods: Patients (n = 766) with moderate-to-severe psoriasis were randomized to ustekinumab 45 mg or 90 mg at weeks 0 and 4, and then every 12 weeks, or placebo at weeks 0 and 4, with crossover to ustekinumab at week 12. Ustekinumab responders [≥ 75% improvement from baseline in the Psoriasis Area and Severity Index (PASI 75) at weeks 28 and 40] were re-randomized at week 40 to continue or withdraw from treatment until psoriasis recurrence. Partial responders (week 28: PASI 50-74; week 40: < PASI 75) switched to dosing every 8 weeks. Clinical efficacy was assessed by PASI, the Physician's Global Assessment (PGA), and the Dermatology Life Quality Index (DLQI) measures., Results: Overall, 79·8% of the ustekinumab-treated patients remained in the study for 3 years. PASI 75 response rates (45 mg: 61·2%; 90 mg: 72·4%) at week 76 were maintained through year 3 (45 mg: 62·7%; 90 mg: 72·2%); PGA response was similarly durable. At year 3, 80·9% (45 mg) and 82·7% (90 mg) of week 40 responders continuing treatment every 12 weeks achieved a PASI 75 response, while 42·6% (45 mg) and 58·0% (90 mg) achieved a PASI 90 response. Among partial responders adjusted to dosing every 8 weeks, 50·9% (45 mg) and 52·0% (90 mg) had a PASI 75 response at year 3. DLQI responses paralleled the PASI responses. Through year 3, no dose response was observed in rates of adverse events (AEs), overall infections, serious AEs, or AEs leading to discontinuation; nor was there evidence of cumulative organ toxicity. CONCLUSIONS; Continuous, stable, maintenance dosing with ustekinumab was generally well tolerated and sustained durable efficacy for up to 3 years of treatment., (© 2012 The Authors. BJD © 2012 British Association of Dermatologists.)

Background: The pathophysiology of psoriasis is poorly understood, and the mechanism of action of biological agents interfering with tumour necrosis factor (TNF)-alpha that improve psoriatic plaques is completely unknown., Objectives: To begin to unravel the mechanism of action, cellular changes occurring in plaques following administration of adalimumab, a humanized monoclonal antibody against TNF-alpha, were investigated., Methods: Thirteen different patients underwent sequential biopsies as part of a clinical trial. Each biopsy was immunostained and evaluated to calculate the relative density of epidermal Langerhans cells (LCs) before and after treatment (days 2, 7, 28, 84). To explore the basis for reduced epidermal LC densities in plaques, a SCID-Hu animal model was utilized. Acute psoriatic lesions were created within 2 weeks by injection of superantigen-activated CD4+ T cells into engrafted symptomless skin., Results: Compared with symptomless skin, untreated plaques had a significantly reduced density of epidermal LCs. There was a rapid increase in density of epidermal LCs in plaques following treatment with adalimumab beginning as early as day 7. The paucity of epidermal LCs in plaques was contrasted to the prominent density of LCs in other skin disorders with chronic inflammation and alterations in keratinization, including lichen planus and inflamed seborrhoeic keratosis. Rapid creation of plaques using the SCID-Hu model was accompanied by loss of epidermal LCs, indicating that diminished LC density occurs at an early stage of lesion formation., Conclusions: These data shed light on a new immunopathological perspective highlighting a rapid loss of epidermal LCs in acute psoriatic lesions, with sustained decreased density of LCs in chronic plaques. Furthermore, an unexpected insight into the mechanism of action was uncovered for adalimumab, in which rapid restoration of epidermal LC density was observed.

Background: Psoriasis is a chronic disease that significantly diminishes the health-related quality of life (HRQOL). Infliximab is a chimeric, tumour necrosis factor alpha monoclonal antibody that has been shown to improve the signs and symptoms of plaque psoriasis., Objectives: The objective of this study was to evaluate the effect of infliximab induction therapy on the HRQOL of patients with severe plaque psoriasis., Methods: In this double-blind, placebo-controlled trial, 249 patients were randomly assigned to receive intravenous infusions of 3 or 5 mg kg(-1) of infliximab or placebo and were treated at weeks 0, 2 and 6. Patients completed the Dermatology Life Quality Index (DLQI) at baseline and week 10., Results: Infliximab induction therapy resulted in a substantial improvement in HRQOL. At week 10, patients in the infliximab 3- and 5-mg kg(-1) groups showed a median percentage improvement in DLQI scores of 84.0% and 91.0%, respectively, compared with 0% in the placebo group (P < 0.001). The median decrease from baseline in DLQI score at week 10 was 8.0 and 10.0 for the 3 and 5 mg kg(-1) infliximab groups, respectively, compared with 0 in the placebo group (P < 0.001). Thirty-three per cent and 40% of patients in the 3 and 5 mg kg(-1) infliximab groups, respectively, had a DLQI score of 0 at week 10, compared with 2% in the placebo group (P < 0.001). There was a strong correlation between the percentage change from baseline at week 10 in Psoriasis Area and Severity Index (PASI) scores and the percentage change in DLQI scores during the same period (Spearman's correlation, 0.61, P < 0.001). When the infliximab and placebo treatment groups were combined, patients with at least 75% improvement in PASI scores between baseline and week 10 had a greater mean improvement in DLQI scores (81%) than those with 50-75% improvement in PASI during the same period (60%)., Conclusions: Infliximab induction therapy resulted in significant improvement in HRQOL in patients with severe psoriasis.

Treatment of epidermolysis bullosa acquisita (EBA) with conventional therapy frequently does not result in improvement. Extracorporeal photochemotherapy (ECP) is a novel immunomodulating technique which might be of benefit in the treatment of autoimmune disease. We prospectively studied three patients with refractory EBA who were treated with ECP. All three patients had improvement in objective measurement of their disease severity while two of the three had significant subjective improvement in their skin fragility and the clinical activity of their disease. Both the objective and subjective manifestations of the disease continued to improve 6 months after completion of the protocol. ECP may be therapeutic option in the treatment of patients with EBA who are refractory to conventional therapy.