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Objective: Thanks to their specificity of action, biologic drugs often lead to complete clearance of psoriatic lesions. In order to maintain its effectiveness, biological therapies cannot be discontinued. The aim of the study was to investigate the effect of widening the administration window of four biologic drugs, thus improving the quality of life of psoriatic patients and satisfying their desire to feel free from the disease, without loss of effectiveness.Methods: We performed a multicentric cohort study considering patients with moderate-severe plaque psoriasis and/or arthropathic psoriasis treated with infliximab, adalimumab, etanercept or ustekinumab. The study group included patients with stabilized psoriasis in which the administration regimen of the biologic drug was deferred. The control group included psoriatic patients treated according the product monograph.Results: The percentage of relapses in case of deferred administration intervals was comparable to that of standard administration intervals. The delayed administration modality got a good psychological consensus from the patients themselves, that reported a greater 'perceived satisfaction'. A consistent economic advantage was reported in case of prolonged administration intervals.Conclusions: The administration of biologic drugs with prolonged intervals maintains the same effectiveness as standard administration and produces a 'perceived satisfaction' in psoriatic patients.

Background: Real-life data often highlight the side effects of certain drugs not previously reported in randomized controlled trials (RCTs).Objective: To describe cutaneous inflammatory eruptions i...

BACKGROUND Psoriasis is a relapsing inflammatory disease exacerbated by many triggers. Helicobacter pylori (H. pylori) is a Gram-negative bacterium causing the liberation of many cytokines and having a role in systemic inflammation. We assessed over a period of 12 months the presence of H. pylori in psoriatic patients undergoing biologic therapy and how PASI improved after its eradication. METHODS We performed an interventional, prospective, cohort, exploratory and mono-centric study in patients affected by moderate-severe psoriasis during biological therapy to assess the correlation between psoriasis (moderate to severe forms), and H. pylori infection. We also checked if the bacterial eradication could improve the severity of psoriasis throughout the variation of PASI over a 12-month period. RESULTS The prevalence of H. pylori was 35%. The average of PASI improved in H. pylori positive patients after the eradication (confidence interval: 33-44; P=0.023). H. pylori positive patients were more likely to have psoriatic arthropathy (P=0.049). Gastrointestinal symptoms (such as epigastric pain, postprandial heaviness, pyrosis) were found in only 31.3% of H. pylori positive patients. CONCLUSIONS Since the H. pylori infection is often asymptomatic, it can be useful to perform the 13C-Urea breath test, and to eradicate it before to start the psoriasis therapy in order to decrease the level of inflammation.

Background The multi-morbid burden and use of systemic immunosuppressants in people with psoriasis may confer greater risk of adverse COVID-19 outcomes but data are limited. Objective Characterize the course of COVID-19 in psoriasis and identify factors associated with hospitalization. Methods Clinicians reported psoriasis patients with confirmed/suspected COVID-19 via an international registry, PsoProtect. Multiple logistic regression assessed the association between clinical/demographic characteristics and hospitalization. A separate patient-facing registry characterized risk-mitigating behaviours. Results Of 374 clinician-reported patients from 25 countries, 71% were receiving a biologic, 18% a non-biologic and 10% no systemic treatment for psoriasis. 348 (93%) fully recovered from COVID-19, 77 (21%) were hospitalized and nine (2%) died. Increased hospitalization risk was associated with older age (multivariable-adjusted OR 1.59 per 10 years, 95% CI 1.19-2.13), male sex (OR 2.51, 95% CI 1.23-5.12), non-white ethnicity (OR 3.15, 95% CI 1.24-8.03) and comorbid chronic lung disease (OR 3.87, 95% CI 1.52-9.83). Hospitalization was more frequent in patients using non-biologic systemic therapy than biologics (OR 2.84, 95% CI 1.31-6.18). No significant differences were found between biologic classes. Independent patient-reported data (n=1,626 across 48 countries) suggested lower levels of social isolation in individuals receiving non-biologic systemic therapy compared to biologics (OR 0.68, 95% CI 0.50-0.94). Conclusion In this international moderate-severe psoriasis case series, biologics use was associated with lower risk of COVID-19-related hospitalization than non-biologic systemic therapies, however further investigation is warranted due to potential selection bias and unmeasured confounding. Established risk factors (being older, male, non-white ethnicity, comorbidities) were associated with higher hospitalization rates. Clinical Implications We identify risk factors for COVID-19-related hospitalization in psoriasis patients, including older age, male sex, non-white ethnicity and comorbidities. Use of biologics was associated with lower hospitalization risk than non-biologic systemic therapies., Capsule summary: In this global registry-based study, risk factors for COVID-19-related hospitalization in psoriasis patients were older age, male sex, non-white ethnicity and comorbidities. Use of biologics was associated with lower hospitalization risk than non-biologic systemic treatment.

Summary The outbreak of chilblain‐like lesions (CLL) coincidentally to the COVID‐19 pandemic is a topic of great concern. SARS‐CoV‐2 was initially hypothesized as the etiologic agent of CLL, but, since nasopharyngeal swabs seldom resulted positive, dermatologists’ attention focused on the search for specific SARS‐CoV‐2 antibodies. Many papers were published contemporarily on this topic, reporting limited case series. We reviewed the English literature up to the 1st July 2020 and, excluding single case reports, we considered 13 studies that serologically investigated 220 patients. The presence of specific antibodies was detected in 18 subjects (8,2%): isolated IgA were found in 6 patients, IgA and IgG in 1, isolated IgG in 5, and IgM in 2. In 4 patients, isotypes were not specified. Our review demonstrated a high prevalence of negative serological results in CLL: antibodies were observed only in a few patients, that are even less excluding those with positive IgA, not clearly involved in the pathogenesis of the disease. In conclusion, although it is still uncertain whether CLL are related to SARS‐CoV‐2 infection, patients affected by CLL seem not to be prone to shedding the virus, hence, if they are asymptomatic, we can reassure them, thus avoiding hospital referral This article is protected by copyright. All rights reserved.

The outbreak of chilblain‐like lesions (CLL) coincidentally to the COVID‐19 pandemic is a topic of great concern. SARS‐CoV‐2 has been hypothesized as the etiologic agent of CLL, on the basis of the temporal correlation between the “burst” of skin manifestations and the viral pandemic. However, the relationship between CLL and COVID‐19 remains unclear, since authors failed to confirm the SARS‐CoV‐2 infection in these patients using a real‐time reverse transcription polymerase chain reaction (rt‐PCR) test from nasopharyngeal swabs, which seldom resulted positive. Indeed, the most recent articles on the prevalence of the SARS‐CoV‐2 infection in CLL reported a positive swab test in only about a fifth of these patients.

Background In the treatment of various diseases, such as diabetes and arterial hypertension, fixed dose therapies have been reported to offer a method to simplify complex treatment regimens. There are numerous clinical trials proving the efficacy of cyclosporine in psoriasis in inducing remission and maintaining results, although there are few studies about the treatment optimization of cyclosporine. Methods We performed a 15-year retrospective observational study comparing two groups of psoriatic patients matched for age and sex. We assessed the clinical response, the safety and the compliance who took fixed dose of 200 mg cyclosporine (range 2.2-3.3 mg/kg) compared with a group of patients who took body weight-based dosage. Student's t-test was used to assess the difference in terms of PASI 75 achievement, patient-reported compliance on a five-point scale, DLQI questionnaire, laboratory values and blood pressure. Results PASI 75 achievement was not statistically different between the two groups. Compliance was good in both groups, and DLQI was also comparable. Laboratory values and blood pressure were not significantly different. Conclusions Our study showed no statistically significant difference between the two groups in PASI reduction and PASI 75 achievement, even though the fixed dose was often lower (range 2.2-3.3 mg/kg) than the dosage administered depending on weight. Fixed dose cyclosporine is simple and practical to use in specific clinical settings, in particular when the patient's weight ranges from 60 to 90 kg. This approach can result in improved clinical outcomes and a better quality of life for psoriatic patients.

The use of biotechnological therapies for moderate-to-severe psoriasis is ever-expanding and it is becoming increasingly more frequent to encounter different unforeseen events during their use, such as fertile patients becoming pregnant and breastfeeding, development of infections due to personal habits like tuberculosis, hepatitis B virus, hepatitis C virus, or HIV, scheduling of surgical procedures, need of vaccinations, development of malignancy, and evaluation of dose tapering. As any clinician may experience at least one of these unexpected events, it should be good practice to know how to manage them. Thus, a practical analysis has been proposed in this study.

After 4 months of therapy with secukinumab, a 67-year-old man with moderate psoriasis developed generalized hypertrichosis, along with PASI 90. The patient denied any drug intake, apart from secukinumab, nor applications of any creams. Moreover, this event did not really bother the patient, thus the therapy was not discontinued and the hypertrichosis is persisting as psoriasis' control.

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Nail psoriasis affects 50–79% of patients with skin psoriasis and up to 80% of patients with psoriatic arthritis, and can also represent a negative prognostic factor in individuals with plaque psoriasis. Treatments for nail psoriasis are limited, as nails are often difficult to treat with topical therapies alone, and relapse is common. Among different systemic agents, secukinumab, a fully human monoclonal antibody targeting interleukin (IL)-17A, is the only antibody supported by a trial specifically conducted in patients with nail psoriasis (the TRANSFIGURE trial) and has the longest follow-up available to date. In this setting, secukinumab is characterized by the highest efficacy at week 16. This review analysed the different therapeutic options for nail psoriasis, focusing on new treatments that have shown promising results in this field.

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Background Psoriasis is a multi-systemic disease involving the skin and joints, but it is also characterized by endothelial dysfunction, which may cause sexual impotence and erectile dysfunction (ED), an embarrassing disease frequently neglected by dermatologists. Objective The principal objective was assessing the relationship between the severity of psoriasis and the severity of ED. We also investigated whether severity of psoriasis was related to International Index of Erectile Function-5 (IIEF-5) score, whether genital lesions worsened the IIEF-5 score, whether ED was related to factors such as diabetes, smoking and hypertension, and finally the overall the psychological factors felt by the patient. Methods We administered two questionnaires (one of which was the IIEF-5, a validated score to assess erectile dysfunction) to three groups of patients: 60 with mild psoriasis, 60 with severe psoriasis (assessed by Psoriasis Area Severity Index, PASI) and a control group including 60 patients without the disease. Results In the group of mild psoriasis, the patients who suffered from ED were the 56.67%, while in the group of severe psoriasis, ED affected the 46.68% of subjects. In the control group, ED was reported by the 23.33% of patients. The average IIEF-5 score was 18.81 for patients with mild psoriasis and 20.31 for patients with severe form. The difference in the average IIEF-5 scores between psoriatic (mild and severe cases) and control group was not statistically significant. Most patients with sexual dysfunction had also genital lesions; diabetes, smoking and hypertension were not related to lower IIEF-5 scores. The overall psychological profile of psoriatic patients was worse than that of the controls. Conclusion We concluded that ED was related to psoriasis, in particular to mild forms. Moreover, since ED is a marker of cardiovascular events, also related to negative impact on the quality of life, physicians should always investigate the presence of ED in clinical practice.

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none 13 no Psoriasis is a multi-systemic chronic inflammatory disease that affects about 1.5-3% of the general population, of which almost 20% suffer from a moderate-severe form. Those patients can be treated with a systemic agent, and, in case of scarce response or contraindications, they may require a biologic therapy, such as tumor necrosis factor or interleukin-12/23 inhibitors. When also those agents fail, clinicians face a true therapeutic challenge. We report a case series of multi-failure 16 patients, successfully treated with secukinumab, a fully human monoclonal antibody that selectively neutralizes interleukin-17A, recently approved for the treatment of plaque psoriasis, psoriatic arthritis and ankylosing spondylitis. Magnano, M; Loi, C; Patrizi, A; Sgubbi, P; Balestri, R; Rech, G; Tasin, L; Girardelli, C. R; Conti, A; Odorici, G; Campanati, A; Offidani, A. M; Bardazzi, F. Magnano, M; Loi, C; Patrizi, A; Sgubbi, P; Balestri, R; Rech, G; Tasin, L; Girardelli, C. R; Conti, A; Odorici, G; Campanati, A; Offidani, A. M; Bardazzi, F.

Background The clinical-epidemiological characteristics and course of bullous pemphigoid in the general population is not clear. Few studies have been performed to date, and only one in the Italian population more than ten years ago. We decided to evaluate the characteristics and outcome of patients admitted for a bullous pemphigoid at our Hospital in the last 4 years. Methods We retrospectively reviewed the last 4 years' medical records of the Department of Dermatology of the University of Bologna, identifying all patients with histological and immunological data typical for bullous pemphigoid. The patients were contacted and, whenever possible, re-evaluated clinically and serologically. Finally, we made a reviews of therapies administered in these cases. Results We identified 53 patients with a diagnosis of sub-epidermal autoimmune blistering disease. At re-evaluation, resolution of the disease was observed in 13 cases (24.52%) while the disease persisted in 32 cases. An improvement was observed in 35 (66.03%) patients, a worsening was observed in 3 (5.66%) patients, while the class did not change in 5 (9.43%) patients. All patients received systemic steroids as first line therapy, although most patients underwent more than one therapy. Fifteen patients received systemic steroid therapy alone, 22 patients received azathioprin, 16 patients received methotrexate, all patients received a prescription of topical steroid. Twenty-eight patients had abnormal values of eosinophilia, extremely susceptible to systemic steroid therapy. Conclusions The findings of our study differ slightly from data collected by other authors in literature. Methotrexate is the drug of choice in terms of efficacy, practicality, cost and tolerability, particularly in the elderly population.

A 57‐year‐old woman in good health presented with erythematous plaques that appeared first on the ankles (a, b) and then on the calves (e, f). Dermoscopy of the ankle plaques (c) showed whitish striae (asterisk) and red peripheral globules (arrow) consistent with lichen planus; those on the calves (g) showed translucent yellow–orange areas (asterisk) and branching linear vessels (arrows), suggesting necrobiosis lipoidica. Histology confirmed both diagnoses (d, h). Although we learned that all skin manifestations in one individual should be attributed to the same disease, the coincidental coexistence of different disorders can be observed. Dermoscopy could provide insight into peculiar features, avoiding superficial ‘at‐first‐glance’ diagnoses

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Background Psoriasis (Pso) has a strong impact on quality of life and a positive association has been reported between nail psoriasis (NP) and more severe disease, together with a longer duration of skin lesions. The treatment of NP represents a challenge and biological therapy can be recommended for severe disease. Objective The first end point of this retrospective study was to evaluate the time to achieve Psoriasis Area Severity Index (PASI) 75 in patients with and without NP treated with biological therapy. The second end point was to evaluate the efficacy of biological therapy to improve NP. Methods A total of 127 patients (88 men and 39 women) with moderate to severe Pso referring to our Service between 2007 and 2014 were included. Inclusion criteria were age ≥18 years and a 24 week treatment. The outcome variable was achievement of PASI 75 at 24 weeks with and without NP. All patients were treated with topical therapy and one of four different biological treatments: adalimumab (44.09%), etanercept (18.11%), infliximab (13.39%) and ustekinumab (24.41%). Physical examinations were performed every 4 weeks, and at each visit, the clinician assessed the PASI and Nail Psoriasis Severity Index (NAPSI). Results At multivariate Cox regression analysis, a smaller proportion of patients with NP achieved PASI 75 at 24 weeks than patients without NP when adjusted for the epidemiological, clinical features and biological treatment received. With all biological drugs, the NAPSI score began to improve already after 8 weeks (from 18.53 at week 0–2.83 at week 24). Conclusion Patients with NP reach PASI 75 more slowly than patients without NP. Clinicians should therefore consider that treatment with a biological agent may require a longer period before reaching a satisfying therapeutical goal. Nevertheless, adalimumab, infliximab, ustekinumab and etanercept demonstrated their equal effectiveness in reducing the NAPSI score.

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A 2-year-old girl presented with a 3-month history of several small painless papules, growing on the surface of an abdominal congenital melanocytic naevus (MN). Her mother noted that the lesions were significantly increasing in number and size. There was no history of trauma and her medical and family histories were unremarkable. Physical examination revealed multiple skin-coloured, translucent, glossy, dome-shaped papules, ranging from 1 to 3 mm, localised exclusively on the surface of a macular, smooth, light to dark brown, non-hypertrichotic congenital intermediate MN (2×4 cm) (see figure 1). The dermoscopic examination of the papules suggested the diagnosis of molluscum contagiosum (MC), which was histologically confirmed. MC is a common viral skin infection, which is seldom associated with other skin diseases (eg, epidermoid cyst and nevocellular naevus).1 The localisation of MC on an MN is extremely rare, and only a few case reports have been published in the literature until now; in all reported cases, the lesions are strictly confined to the MN and did not affect the remaining skin.2 ,3 A possible explanation of the occurrence of viral lesions on an MN may be represented by the Meyerson’s phenomenon, an eczematous reaction occurring in MN.4 We could hypothesise that this resulted in a barrier dysfunction predisposing the patient to develop MC locally. Even though congenital intermediate MN is recognised to have a low malignancy potential during childhood,5 melanoma can develop. Therefore, the physician should be aware of the appearance of MC superinfection on MN, but the occurrence of new lesions within a congenital MN requires a dermatological evaluation

A 3-year-old boy presented with a 4-day history of fever and diffuse itchy eruption, spreading from the face. His medical history was unremarkable, except for a recent diagnosis of adenoidal hypertrophy treated with oral betamethasone sodium phosphate for 10 days followed by budesonide nebuliser. Physical examination showed erythematous patches with mild scaling of the face and, on the forearms, hands and legs, fixed hive-like target lesions (figure 1), with …

Bullous pemphigoid (BP) is an autoimmune bullous disease characterised by immunoglobulin G (IgG) autoantibodies to BP180 and BP230 [1]. Autoantibodies against BP180 have proved to play a critical role in the pathogenesis of BP, whereas autoantibodies against BP230 are thought not to be involved [2, 3]. Pruritus represents an important symptom in BP. Several authors investigated the association between serum levels of autoantibodies and disease severity [1-8], however, only few studies evaluated [...]

Bullous pemphigoid (BP) is an autoimmune subepidermal blistering disorder that has been reported to be associated with malignancies. Some authors described several cases of pemphigoid associated with malignancies (PAM); however, the evidence of this correlation still remains controversial. Several theories have been postulated to explain the relationship between malignant neoplasms and BP; the main theory suggests that antibodies directed against tumor-specific antigens of malignant cells may cross-react with antigens (like BP antigens) in the basement membrane zone leading to the formation of blisters. We performed an extensive review of the English published work focusing on the epidemiology, the pathogenetic theories and the clinical and histological aspects of the disease. We identified 40 cases of PAM: of these, seven cases were associated with hematological malignancies and 33 with solid tumors. Physicians should be aware of the existence of PAM and we suggest an oncological screening in early-onset pemphigoid, in patients with a former oncological history, in those with signs and symptoms that could be related to a neoplasm and in BP refractory to common immunosuppressive therapy.

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Background: Cyclosporine is a validated treatment for moderate to severe psoriasis. Long-term cyclosporine administration may induce toxic effects. The duration of treatment usually ranges from 10 to 16 weeks. However, some patients may take cyclosporine for a longer time. Aim: The objective of the present study is to evaluate the dose, efficacy and safety in long-term cyclosporine therapy. Patients and methods: We studied the hospital records of patients with psoriasis treated with cyclosporine between 1 January 2009, and 30 April 2015. We decided to focus on patients who, for different reasons, have continued cyclosporine for more than 2 years. Results: Five patients (2.69%) had been assuming cyclosporine for up to 62 months and had achieved a substantial response with no toxic effects. All of them were concerned about recurrence and all patients had personal reasons to prefer Cyclosporine over other drugs, including: familiar history of neurodegenerative disease, desire for motherhood, easy availability on prescription, systemic scleroderma, belenophobia. Conclusion: Cyclosporine is an acceptable monotherapy for psoriasis in selected patients. The prompt discontinuation of treatment usually results in resolution of any eventual toxicity.

Key Clinical Message The presence of history of redness and swelling of toe in an infant without history of trauma is typical of hair threat tourniquet syndrome. The treatment simply involves incision and removal of hair fibers. Physicians should be aware of this syndrome because early diagnosis and treatment avoid serious complications.

Background Tuberous sclerosis complex (TSC) is an autosomal dominant neurocutaneous syndrome causing hamartomatous growths in multiple organs. Facial angiofibromas occur in up to 80% of patients and can be highly disfiguring. Treatment for these lesions has historically been challenging. Recently, topical rapamycin has been proposed as an effective option to treat angiofibromas but a commercially available compound has not yet been developed. Objectives The aim of this review is to analyse the current data on the use of topical rapamycin in the treatment of angiofibromas in TSC, focusing on the risk-benefit profile. Methods A retrospective review of the English-language literature was conducted. Results Sixteen reports describing the use of topical rapamycin in the treatment of angiofibromas in TSC were considered, involving a total of 84 patients. An improvement of the lesions has been shown in 94% of subjects, particularly if the treatment was started at early stages. Several different formulations (ointment, gel, solution and cream) with a wide range of concentrations (0.003%–1%) were proposed. Only 4 local adverse side-effects were reported after the use of rapamycin solution. Conclusion Topical rapamycin can be considered a safe option for the treatment and the prevention of facial angiofibromas in younger patients, but the best formulation has not been established. Our review demonstrates that ointment and gel should be preferred, but it is not clear which concentration is optimal. Long-term and comparative studies between topical rapamycin and ablative techniques are required to establish which treatment has a better outcome and lower recurrence rate.

Extramammary Paget's disease is a rare neoplasm of apocrine gland-bearing areas of the skin. The most common site of presentation is the vulva. Surgery is the most frequently reported therapy so far; however, it is invasive and it is complicated by a high rate of recurrence. For this reason, several less-invasive treatments have been recently proposed, including photodynamic therapy. We describe in this article the case of an 84-year-old patient with a noninvasive vulvar extramammary Paget's disease successfully treated with methyl-aminolevulinic acid photodynamic therapy associated with topical tretinoin.

Photodynamic therapy (PDT) is a non-invasive treatment, used for superficial non-melanoma skin cancer (NMSC) and actinic keratoses (AKs). Although PDT is considered a safe treatment, some authors report that PDT may have carcinogenic risks. We undertook this retrospective study to determine if there is a real risk of carcinogenicity for patients treated with MAL-PDT for AK and which risk factors may increase the rate of the malignant transformation.We reviewed the records of patients treated with PDT for one or more AKs at the Sant'Orsola-Malpighi Hospital from January 2010 to December 2012. We also considered if patients had one or more risk factors for NMSC.Three hundred fifty-seven patients were treated with PDT for AKs, among them 17 patients developed a squamous cell carcinoma (SCC) in the site of a lesion previously treated with PDT. Comparing these two groups, the group which developed the SCC presented more risk factors for NMSC.PDT is certainly a good method to treat AKs, but it is important also to consider all its side effects. Among them, the carcinogenetic risk is still underestimated. We suggest that patients with multiple risk factors for NMSC treated with PDT should undergo more frequent follow-ups, in order to prevent malignant progression.