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Patients' characteristics, treatments received before dupilumab, reasons that led to initiate this treatment as well as the cause of treatment discontinuation are mentioned in Table 1. Duration of 9 month during pregnancy and 1 month during breastfeeding-Patient 123425CaucasianAsthmaTopical and systemic corticosteroids, cyclosporineUnknownBefore pregnancyShared decision-making was adopted after a risk-benefit assessment, discussing the course of AD, safety data, potential therapeutic options and previous response to systemic treatmentsLeft the treatment. [Extracted from the article]

Background The knowledge about chronic spontaneous urticaria (CSU) phenotypes is based on its clinical characteristics, associated comorbidities, course of the disease, and its response to the available effective drugs. Genotype expression and its further correlation with CSU phenotypes are still unknown. We describe the cutaneous transcriptome of patients suffering a severely active CSU refractory to antihistamine treatment. Methods Through the bioinformatic analysis of the whole Human Genome with Oligo Microarrays and quantitative real-time polymerase chain reaction (qPCR), relevant genes expressed in nonlesional (NLS-CSU) and lesional skin (LS-CSU) and peripheral blood were identified in 20 patients suffering from severely active CSU and 10 healthy controls (HCs). Results From 39 genes differentially expressed in NLS-CSU when compared with HCs, 31 (79.48%) were confirmed by qPCR corresponding to genes involved in epidermal homeostasis and dermal repair. From the analysis comparing LS-CSU with NLS-CSU, a selection of 142 genes was studied with qPCR, and 103 (72.53%) were confirmed. Differentially expressed genes in the phenomenon of wheal development are involved in a variety of biological functions as, epidermal differentiation, intracellular signal function, transcriptional factors cell cycle differentiation, inflammation, or coagulation. Differentially expressed genes that uniformly increase or decrease along the skin worsening until the wheal appearance is shown. Conclusion The skin of CSU patients with a severely active disease shows an overall immunological skin involvement showing a peculiar gene profile. [ABSTRACT FROM AUTHOR]

The article presents case studies involving chronic spontaneous urticaria (CSU). It mentions that first patient, which developed severe exacerbations, received treatment with short courses of oral corticosteroid. It mentions that second patient developed a sudden worsening during pregnancy despite treatment with omalizumab. It reveals that two cases were reported to the official pharmacosurveillance system.

Background: Dupilumab has shown to be an effective and safe treatment for patients with moderate-to-severe atopic dermatitis (AD)., Objective: To evaluate the predictive factors of response (PRF) in patients with moderate-to-severe AD treated with dupilumab., Methods: Observational, retrospective and multicentre study conducted on adult patients diagnosed with moderate-to-severe AD treated with dupilumab, with a post-treatment follow-up of at least 16 weeks. The primary endpoints were EASI-75 and the IGA scale at week 52., Results: A total of 198 patients were included in the analysis. Mean age was 38 ± 15.1 years and 116 (58.6%) were men. The most prevalent AD-predominant phenotypes were flexural eczema (45.3%), head-and-neck eczema (18.2%) and erythroderma (17.7%). At week 52, 140 (86.4%) patients achieved EASI-75 and 119 (93.0%) achieved an improvement in ≥2 points from baseline in IGA score. Women were 3.6 times more likely to achieve EASI-75 response than men (Odds ratio: 3.58; p = 0.020). While increased body mass index significantly reduced the probability of obtaining an improvement of ≥2 points in the IGA scale at week 52 (odds ratio: 0.88; p = 0.049)., Conclusions: Dupilumab was an effective treatment in patients with moderate-to-severe AD. Additionally, sex and body mass index were significantly associated with achieving EASI-75 and an improvement of ≥2 points in the IGA scale, respectively, at week 52., (© 2023 Australasian College of Dermatologists.)

Hypereosinophilic syndrome (HES) is often associated with cutaneous manifestations, mostly pruritic lesions, urticaria and angioedema. Mucosal lesions are rarely seen in HES but, when present, are usually the first manifestation of the disease. The clinical presentation may be heterogeneous, including erosions, aphthae or ulcers, and can be easily confused with other mucocutaneous disorders. Here, we present the case of a 64-year-old man with severe chronic erosive oral mucositis simulating pemphigus in which the finding of persistent eosinophilia and elevation of B 12 vitamin serum levels raised the suspicion of HES. The FIP1L1-PDGFRA fusion gene (4q12) was detected by fluorescence in situ hybridization and the patient was treated with imatinib mesylate with complete response of the disease., (© 2019 Japanese Dermatological Association.)

Hypertrophic herpes simplex genitalis is an atypical presentation of genital herpes described in the context of immunosuppression, particularly HIV-positive patients. This situation can become a diagnostic and therapeutic challenge. For this reason, alternative therapies are currently being discussed in the literature. We report a case of hypertrophic genital herpes in a HIV-positive patient who was successfully treated with topical 5% imiquimod after treatment failures with oral and i.v. antivirals., (© 2015 Japanese Dermatological Association.)