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The latest medical research on Dermatological Immunology

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Use of biologics for psoriasis in solid organ transplant recipients.

Australasian Journal of Dermatology

Biologics have significantly advanced the treatment of inflammatory disorders, including psoriasis. However, their use in immunosuppressed patients...

Successful treatment of dyshidrotic palmoplantar eczema with tralokinumab.

Australasian Journal of Dermatology

Dyshidrotic palmoplantar eczema or pompholyx is considered to be a part of the spectrum of atopic dermatitis with a significant impact on the quali...

Brodalumab for moderate-severe hidradenitis suppurativa: An open-label multicentric cohort study in real clinical practice.

Australasian Journal of Dermatology

The use of biological therapy is becoming increasingly common in patients with hidradenitis suppurativa (HS). Levels of serum TNF-alfa and IL17 support the role of an immune system dysregulation in the pathogenesis of HS. Brodalumab targets the receptor A of IL-17, thus having a promising role in the treatment of HS.

A multicenter retrospective observational open-label study was conducted in two tertiary hospitals. Adults with moderate to severe HS under treatment with brodalumab 210 mg at week 0, 1, 2 and then every 2 weeks were included and assessed at weeks 0 and 16 which was the median follow-up time. Demographic and disease-related variables as well as response parameters (HiSCR and IHS4) and safety data were recorded and analysed.

A total of 16 patients (75% males) were included in our study. 50% of patients presented an inflammatory phenotype and mean BMI was 28.37. HiSCR was achieved in 50% of patients and mean IHS4 decreased from 24.13 to 16.81 (p = 0.002). No differences were found between those who achieved HiSCR and those who did not. Grade 2 adverse events were reported in three patients with no fatal outcomes and treatment discontinuation was advised in four patients.

Brodalumab seems to be effective and safe in patients with moderate to severe HS, even in those that did not respond to adalimumab, which, at the moment, is the only widely approved biologic for this indication. Thus, it stands as an interesting option for the treatment of HS.

Efficacy and safety of tralokinumab in the treatment of head and neck pattern atopic dermatitis: A multicentre study of 12 patients.

Australasian Journal of Dermatology

The evaluation of the efficacy and safety of new molecules for atopic dermatitis (AD) in real clinical practice is very important to obtain information that clinical trials (EECC) lack. The pattern of AD in the head and neck (H&N) continues to be a challenge in treatment today, despite the new molecules, and real-life data on the use of tralokinumab is still missing. This is the first daily practice study of tralokinumab treatment in patients with H&N AD pattern. The objective is to evaluate the efficacy and safety of tralokinumab in the short term (16 weeks) in patients with AD with H&N pattern, for the first time.

A multicentre prospective observational study was conducted, including patients with moderate-severe AD and H&N pattern who started tralokinumab treatment in four hospitals in Andalusia. Values of severity and quality of life scales, as well as patient-reported outcomes (PROs), were collected at baseline and at Weeks 4 and 16. Safety events were also recorded.

Twelve patients were included. An improvement was observed in all efficacy and quality of life parameters evaluated at 16 weeks with respect to the baseline. No serious adverse events were recorded.

In real clinical practice, tralokinumab is demonstrated to be an effective and safe treatment for patients with AD and H&N pattern at short term.

Severe cutaneous adverse reactions associated with the immune checkpoint inhibitors: A case/non-case analysis using the Food and Drug Administration Adverse Event Reporting System.

Australasian Journal of Dermatology

The immune checkpoint inhibitors (ICIs) have been increasingly associated with severe cutaneous adverse reactions (SCARs). These reactions, including Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), drug reaction with eosinophilia and systemic symptoms (DRESS) and acute generalized exanthematous pustulosis (AGEP) are uncommon but potentially lethal. Despite the severity of these reactions and growing association with the ICIs, their specific risk and mortality rates have been largely unexplored.

A case/non-case analysis was performed using data from the United States Food and Drug Administration (FDA) Adverse Event Reporting System (FAERS) to examine the reporting odds ratios (RORs) for ICI-associated SCARs cases under two conditions: (1) ICIs compared with all drugs in FAERS and (2) ICIs compared with a reference group of pooled anticancer drugs to control for underlying malignancy.

A statistically significant ROR for SJS (ROR: 5.44), TEN (ROR: 5.81) and DRESS (ROR: 1.38) were identified under Condition 1. Under Condition 2, this significance was maintained for SJS (ROR: 7.31), TEN (ROR: 7.40) and DRESS (ROR: 3.90), and mild significance was identified for AGEP (ROR: 1.89). Mortality rates for the ICIs were increased compared with the anticancer medications (28.5% vs. 24.5% for SJS, 55.3% vs. 46% for TEN, 3.0% vs. 2.1% for AGEP and 7.1% vs. 6.1% for DRESS).

Our results suggest an association between SCARs and the ICIs independent of cancer status.

Can we manage the melanocytic lesions with peripheral globules according to the grade of dysplasia?

Australasian Journal of Dermatology

Although excision of melanocytic nevi with high-grade dysplasia is recommended by the World Health Organization (WHO), clinical studies investigating the approach based on the grading dysplasia of melanocytic lesions with peripheral globules (PGs) are lacking. We investigated the grades of dysplasia and their distinguishable dermoscopic and clinical features to provide accurate data for managing these lesions.

We retrospectively classified histologically confirmed melanocytic lesions with PGs according to the 2018 WHO Classification of Skin Tumours criteria in a university hospital in Turkey. Dermoscopic features, lesions, and patient characteristics were recorded.

Sixty-six lesions of 56 patients were included. After classification, 9.1% (n: 6) of lesions were melanomas, 39.4% (n: 26) were high-grade dysplastic nevi, and 50% (n: 33) were low-grade dysplastic nevi (n: 33, 50%). There was one nevus with no dysplasia (n: 1, 1.5%). Univariate analysis revealed that ≥31 years of age, irregular shape of peripheral globules, black colour, total colour count, and maximum diameter of the lesion were associated with high-grade dysplasia and melanoma. In the multivariate analyses, ≥31 years of age (OR = 3.80, 95% CI, 1.17-12.37), irregular shape of peripheral globules (OR = 3.90, 95% CI, 1.15-13.2), and total colour count (OR = 3.21, 95% CI, 1.2-8.5) were significant predictive factors for the lesions with high-grade dysplasia and melanomas.

To avoid the underdiagnosis of both melanomas and high-grade dysplastic nevi with PGs, the irregular shape of peripheral globules and multiple colours after the third decade may be useful in making an excision decision. The risk increases every 1-year increase in age. Excision is suggested for all melanocytic lesions with PGs for patients 60 years or older because of the high risk of melanoma and melanocytic nevus with high-grade dysplasia.

Extensive and deep granulomatous ulcers as an atypical manifestation of cartilage-hair hypoplasia syndrome: A diagnostic and therapeutic challenge.

Australasian Journal of Dermatology

Cartilage hypoplasia syndrome is a primary immunodeficiency disease characterized by short stature, hypoplastic hair and a variable degree of immun...

Drug survival of biologics in psoriasis: An Australian multicentre retrospective study.

Australasian Journal of Dermatology

Drug survival, which refers to the time from treatment initiation to discontinuation, provides a surrogate measure of the effectiveness of a biologic in a real-world setting (J Invest Dermatol, 2015, 135, 1). The aim of this study was to determine the drug survival of biologics that are currently available in Australia. We also analysed the treatment efficacy of these biologics and reasons for discontinuation.

Retrospective data from outpatient Dermatology biologic clinics in Westmead Hospital and Royal Prince Alfred Hospital (Sydney, Australia) from April 2006 to December 2020 were collected. Kaplan-Meier analysis was used to calculate drug survival.

A total of 306 patients who underwent 566 treatment courses were analysed. Guselkumab was observed to have the longest drug survival, with cumulative drug survival rates of 94.2% ± 4.0 at 1- and 5-years. This was followed by ixekizumab which had a 1-year survival rate of 87.2% ± 4.5 and 5-year survival rate of 59.4% ± 9.5. Ixekizumab and guselkumab were also noted to have superior treatment efficacy compared with other biologics, with PASI-75 rates of 94.9% and 93.8%, respectively. The most common reasons for treatment discontinuation were a lack of initial efficacy to treatment and a loss of efficacy over time despite an initial response, respectively.

To our knowledge, this is the first Australian study to report on outcomes of multiple new biologics that are currently in use for the treatment of chronic plaque psoriasis. Overall, this study provides insight into patterns of care from a local experience that may help guide the management of moderate-to-severe psoriasis.

Vulval dermatoses: A review of referrals to dermatology.

Australasian Journal of Dermatology

We undertook a retrospective observational review of patients referred to a tertiary dermatology department with vulval complaints over 12 months. ...

General practitioner prescription patterns for atopic eczema in children-Are they affected by telemedicine advice?

Australasian Journal of Dermatology

Traditionally, patients presenting to primary care with severe eczema would be referred to a dermatology clinic for an in-person specialist appoint...

Paediatric indications and dosing guidance for advanced targeted treatments in Australia.

Australasian Journal of Dermatology

As with adults, paediatric patients may benefit from a number of advanced targeted therapies for inflammatory skin disease. This brief report aims ...

Features of tattoo-associated cutaneous lymphoid hyperplasia on reflectance confocal microscopy and line-field confocal optical coherence tomography.

Australasian Journal of Dermatology

The popularity of tattoos has led to an increase in associated skin reactions, including complications such as infection, allergic reactions and ra...