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Background: Risankizumab is a humanized monoclonal antibody that selectively inhibits interleukin-23. It has been approved for moderate-to-severe plaque psoriasis and has shown efficacy and safety in clinical trials and real-world experiences. This study aimed to evaluate the long-term effectiveness, safety, and drug survival of risankizumab in a real-life setting. Materials and Methods: We included patients treated with risankizumab from January 2019 to February 2023. A Psoriasis Area and Severity Index score (PASI) was collected at weeks 0, 16, 28, 52, 104, and 156, when available. The occurrence of any adverse events was recorded at each visit. Results: We enrolled 1047 patients. At week 52, a ≥90% improvement in PASI was observed in 81.44% of patients, with a continuous improvement throughout the study (88.99% and 99.07% at weeks 104 and 156, respectively). After three years of treatment, all patients involving the scalp, palms/soles, and genitalia and 95% of patients with nail psoriasis achieved a complete or almost complete skin clearance. No significant safety findings were observed, and 90.73% of the patients were still on treatment after 36 months. Conclusions: This study supports the long-term effectiveness and safety of risankizumab in a real-world setting, even in patients involving difficult-to-treat areas. [ABSTRACT FROM AUTHOR]

Psoriasis is a chronic immune-mediated disease that is linked to an increased risk of cancer. Although numerous studies have explored whether neoplasms are concurrent conditions or are induced by psoriasis, a definitive definition remains elusive. In this study, we conducted a comprehensive narrative literature review to offer practical guidance to oncologists and dermatologists regarding the initiation and discontinuation of biologics for psoriasis. The findings indicate that a customized approach is recommended for each patient, and that a history of malignancies does not constitute an absolute contraindication for biologics. Growing evidence supports the treatment of selected patients, emphasizing a nuanced assessment of benefits and risks. There is a lack of data specifying a safe timeframe to initiate biologics following a neoplasm diagnosis due to influences from cancer-related and patient-specific characteristics impacting prognosis. Some patients may continue anti-psoriasis therapy during cancer treatments. Enhanced comprehension of the biological mechanisms in cancer progression and the immune microenvironment of psoriasis holds promise for refining therapeutic strategies. In conclusion, a personalized treatment approach necessitates collaboration between oncologists and dermatologists, considering factors such as cancer prognosis, psoriasis clinical manifestations, patient characteristics, and preferences when making treatment decisions. [ABSTRACT FROM AUTHOR]

Mpox is a disease caused by a double-stranded DNA orthopoxvirus discovered in 1958. In 2022, an outbreak on an unprecedented scale marked its transition from neglected, zoonotic disease circulating almost exclusively within African borders to sexually transmitted infection (STI) of international concern. Although phylogenetic evidence suggests progressive evolution from the strain associated with the 2018 outbreak in Nigeria, epidemiological links with previous cases have still not been completely elucidated. Clinically, mpox presents with systemic symptoms, such as fever, headache, malaise and a characteristic cutaneous eruption, similar to that of cognate viruses (e.g. smallpox). Mpox pseudopustules evolve through several stages, including umbilication and crusting, and resolve in the span of 2–3 weeks. The hallmarks that set the 2022 outbreak apart from classic mpox were a disproportionate number of cases occurring in men who have sex with men, an often localized cutaneous picture and a significant burden in terms of concomitant STIs. Investigations into the disease pathogenesis, related immune response, clinical and dermoscopic features, in addition to studies aimed at defining novel management strategies, have advanced mpox knowledge considerably. Herein, recent findings on mpox are reviewed, with a keen focus on dermatological manifestations and their implications in the current diagnostic scenario, reinforcing the pivotal role of dermatologists in managing suspect cases and preventing further spread of the contagion. [ABSTRACT FROM AUTHOR]

This article, published in the Australasian Journal of Dermatology, discusses the successful treatment of palmoplantar pustulosis (PPP) with the Janus Kinase 1 inhibitor upadacitinib. The authors describe three cases in which patients with PPP were treated with upadacitinib, resulting in significant improvement in their symptoms. Previous systemic therapies had been ineffective for these patients, making the efficacy of upadacitinib noteworthy. The article suggests that further research is needed to explore the effect of upadacitinib in treating PPP. [Extracted from the article]

Brodalumab is a recombinant, fully human immunoglobulin IgG2 monoclonal antibody specifically targeted against interleukin-17RA that has been approved for the treatment of moderate-to-severe psoriasis in Europe. We developed a Delphi consensus document focused on brodalumab for the treatment of moderate-to-severe psoriasis. Based on published literature and their clinical experience a steering committee drafted 17 statements covering 7 domains specific to the treatment of moderate-to-severe psoriasis with brodalumab. A panel of 32 Italian dermatologists indicated their level of agreement using a 5-point Likert scale (from 1 = "strongly disagree" to 5 = "strongly agree") using an online modified Delphi method. After the first round of voting (32 participants), positive consensus was reached for 15/17 (88.2%) of the proposed statements. Following a face-to-face virtual meeting, the steering committee decided that 5 statements would form "main principles" and 10 statements formed the final list. After a second round of voting, consensus was reached in 4/5 (80%) of the main principles and 8/10 (80%) for consensus statements. The final list of 5 main principles and 10 consensus statements identify key indications specific to the use of brodalumab in the treatment of moderate-to-severe psoriasis in Italy. These statements aid dermatologists in the management of patients with moderate-to-severe psoriasis. [ABSTRACT FROM AUTHOR]

Pustular and erythrodermic psoriasis are rare and difficult-to-treat conditions. It has recently been shown that interleukin (IL)-17 inhibitors can be very effective among patients with these forms of psoriasis; however, the potential of IL-23 inhibitors is largely unknown. The aim of this multicentre, retrospective study was to compare the safety, effectiveness, and drug survival of IL-17 and IL-23 inhibitors among patients affected by these rare forms of psoriasis. The study involved 27 patients with erythrodermic psoriasis and 59 with pustular psoriasis (36 with generalised pustular psoriasis and 23 with palmoplantar pustular psoriasis) treated with an IL-17 or IL-23 inhibitor. The effectiveness of the two drug classes was assessed using the disease-specific Psoriasis Area Severity Index (PASI) and the Investigator Global Assessment, which were evaluated at different time points. There was a consistent trend towards a higher rate of PASI 100 responses in the patients treated with IL-17 inhibitors compared with those treated with IL-23 inhibitors, and the other efficacy outcomes showed a similar trend. There was no significant between-drug class difference in efficacy at any of the time points in the erythrodermic psoriasis cohort, whereas PASI 90 and PASI 100 response rates were significantly higher among the pustular psoriasis patients receiving IL-17 inhibitors at week 12 (IL-23 19% vs. IL-17 54% and IL-23 6% vs. IL-17 40%, respectively) and the percentage of responders to IL-17 inhibition was significantly higher at week 24 (IL-23 25% vs. IL-17 74%). In conclusion, it is therefore reasonable to assume that IL-17 and IL-23 inhibitors are both effective when treating pustular and erythrodermic psoriasis. [ABSTRACT FROM AUTHOR]

Ixekizumab is a high-affinity monoclonal antibody that selectively targets interleukin (IL)-17A approved for the treatment of moderate-to-severe plaque psoriasis. The objective of this study was to describe the real-world long-term effectiveness of ixekizumab in patients with plaque psoriasis in Italy. A retrospective study was conducted in patients affected by moderate-to-severe plaque psoriasis who were continuously treated with ixekizumab for at least 12 months. Patient data was obtained at 4-weeks, 12-weeks and 6-, 12-, 18- and 24-months after baseline (June 2017 and September 2019) from 10 sites. Results were analyzed by complete case approach, with sensitivity analysis performed to evaluate the impact of missing data. A total of 198 patients were enrolled in the study. At Month 24, 94.3% of patients achieved PASI75 response, while 85.1 and 71.8% achieved PASI90 and PASI100, respectively; and 91.1% of the patients achieved absolute PASI score ≤2. Patients experienced psoriasis improvement at 4 weeks after starting treatment, and improvement was maintained with continued ixekizumab use. The quality of life of patients also improved significantly starting at Week 12, with sustained effect in the long term. This 24-month observational cohort study confirmed that ixekizumab is effective in the long-term management of patients with moderate-to-severe plaque psoriasis. [ABSTRACT FROM AUTHOR]

Purpose: Psoriasis, a common systemic inflammatory disorder, presents with gender-related differences in the quality of life (QoL) and treatment outcomes. This post hoc analysis from the Phase 3b SUPREME study explored gender-related differences in patient characteristics and efficacy of secukinumab 300 mg on Psoriasis Area and Severity Index (PASI) 75/90/100 and impact on QoL using the Dermatology Life Quality Index (DLQI) in patients with moderate to severe psoriasis through week 24. Patients and Methods: The proportion of patients achieving PASI 75/90/100 was computed using a nonresponder imputation approach. Differences between cohorts were analyzed using a logistic regression model. The mean change from baseline in DLQI was computed using the Wilcoxon test. Results: Among the 433 patients (males: 71.6%), females had a higher DLQI than males at baseline (13.1 vs 9.5; P< 0.0001). Males had a slightly higher response for PASI 90 than females at week 16 (80.7% vs 78.1%; P=0.0779) and 24 (83.2% vs 79.7%; P=0.0319). No differences were observed between genders in PASI 100/75 responses at week 24. Both genders showed an improvement in DLQI with secukinumab at week 24 (− 10.9 vs − 8.1, respectively, in females vs males; P=0.0004). Conclusion: In summary, secukinumab was effective in the treatment of psoriasis, irrespective of gender. [ABSTRACT FROM AUTHOR]

Background: Tildrakizumab is a humanized monoclonal antibody that binds selectively the p19 subunit of interleukin‐23. It is approved for treatment of moderate–severe chronic plaque psoriasis. Objectives: We conducted a 52‐week retrospective study to assess the effectiveness and safety of tildrakizumab in a real‐life setting. Methods: Our retrospective study included 237 consecutive adults with moderate‐to‐severe plaque psoriasis, enrolled in 10 different Italian centres, treated with tildrakizumab up to Week 52. Patient characteristics, comorbidities, previous treatments and the PASI (Psoriasis Area and Severity Index) score at each visit (baseline, Week 16, Week 28 and Week 52) were retrieved from the electronic medical records. The percentages of patients achieving 75%, 90% and 100% (PASI 75, PASI 90 and PASI 100) improvement in PASI with respect to baseline PASI were registered. Results: At Week 52, 90.91%, 73.55% and 58.68% of patients achieved a PASI reduction ≥75% (PASI 75), PASI 90 and PASI 100, respectively. An absolute PASI ≤ 2 was reached by 85.95% at Week 52. Compared with Phase 3 clinical trials, we observed similar rates of PASI 75/90 responses and higher percentages of patients achieving PASI 100. Patients who had not responded to previous biologic treatments and patients with cardio‐metabolic comorbidities were significantly more likely to achieve PASI 100 at Week 28 and PASI 90 at Week 52. The higher body mass index did not interfere with the odds of reaching PASI 75/90/100 at each time point. No significant safety findings were recorded throughout the study, and none of the patients had to interrupt the treatment because of adverse events. Conclusion: Our data suggest that the efficacy of tildrakizumab for plaque psoriasis in 'real‐life' clinical practice is comparable with Phase 3 clinical trials with higher percentages of patients achieving complete skin clearance (PASI 100) at Weeks 16, 28 and 52. [ABSTRACT FROM AUTHOR]

In conclusion, we have reported the first case of rupioid psoriasis heralded by annular keratotic and non-keratotic lesions, in a patient with Down syndrome. The term "rupioid" refers to an oyster-like shell cutaneous lesion consisting of concentric keratotic nodulo-plaques. In view of the fact that the diagnosis of psoriasis was not considered before the appearance of rupioid features, the annular lesions may represent an early diagnostic clue. [Extracted from the article]

CPD questions Learning objective To gain up-to-date knowledge about the pathogenesis of pyoderma gangrenosum and the relationship between treatment with brodalumab and pyoderma gangrenosum. Pyoderma gangrenosum (PG) is a rare inflammatory skin disease classified within the group of neutrophilic dermatoses. [Extracted from the article]

Background: Few studies have compared the use of different biologics in a real-life setting in plaque psoriasis patients. Objective: To compare the efficacy of biologics in psoriasis/psoriatic arthritis patients. Methods: Patients treated with adalimumab, etanercept and ustekinumab for at least 16 weeks were included. Achievement of Psoriasis Area Severity Index (PASI), PASI 90/100 response and time taken to achieve PASI 90/100 response were measured. Logistic regression was used to evaluate the effect of psoriasis localization on achievement of PASI 100 response. Results: Two hundred and fifty five patients were included. No difference was observed in PASI 90 response between etanercept and ustekinumab (65.5 vs. 55.4%), while adalimumab-treated patients had a higher response versusustekinumab (71.6 vs. 55.4%, p =.02). More patients achieved complete remission (PASI 100 response) with adalimumab versus etanercept (65.7 vs. 23%, p <.001) or ustekinumab (65.7 vs. 44.6%, p =.003). Adalimumab-treated patients achieving PASI 90 responded more quickly (by three and six months) versus ustekinumab or etanercept. PASI100 response was achieved in ∼43% of adalimumab and ustekinumab treated-patients by three months versus etanercept (14.3%), increasing to 92.5, 85.4 and 35.7%, respectively by six months. PASI100 response was associated with psoriasis nail involvement or genital psoriasis. Conclusion: In the real-life setting, adalimumab was the most effective biological agent for the treatment of plaque psoriasis. [ABSTRACT FROM AUTHOR]