Vol 99, No 5 (2023)

Rosacea is a chronic inflammatory dermatosis predominantly damage to the skin of the face, which has a significant negative impact on the quality patients’ lives. The main goal of treatment is to achieve the most complete remission. However, due to the fact that the pathogenesis of the disease is not fully understood, the search for new methods of treatment is especially relevant. Combined use pulsed dye laser and ivermectin drug is presented as alternative pathogenetically substantiated method of therapy. The purpose of the study is to characterize immune disorders and the role of cytokines in the pathogenesis of rosacea, as well as the possibilities of combination therapy based on literature data. An analysis of literature sources from the MedLine, Pubmed, eLibrary databases for the period from 2002 to 2022 was carried out, using the keywords “ivermectin”, “pulsed dye laser”, “rosacea”, “cytokines”, “ivermectin” , “Pulsed Dye Laser”, “rosacea”, “cytokines”.

Atopic dermatitis (AD) is a chronic allergic skin disease, the most common of dermatoses during pregnancy. Exacerbation of AD can be at any stage of pregnancy, its main causes are an increase in progesterone levels, the predominance of Th2 cytokines, psychoemotional stress, violations of the gastrointestinal tract. Changes occur in the clinical picture, the lesions on the face and extensor surfaces of the extremities, papules. Treatment options for pregnant women are limited due to the unethical nature of clinical trials. It is safe to use topical glucocorticosteroids, moisturizers, narrow-band UVB 311 nm, calcineurin inhibitors are relatively safe. In systemic therapy in severe cases, the use of cyclosporine or a short course of prednisone is recommended. There is no evidence of the safety of selective immunosuppressants.

Background. Psoriatic arthritis is a chronic inflammatory disease of the joints, spine and entheses that can occur in patients with psoriasis. The prevalence of psoriatic arthritis is 19.7%. In 70% of cases, psoriasis precedes the development of arthritis. It has been proven that a delay in the diagnosis of psoriatic arthritis even by 6 months is associated with a deterioration in long-term radiological and functional results, leading to disability. The problem of early diagnosis of joint damage can be solved by identifying predictors of the risk of developing psoriatic arthritis in patients with psoriasis.

Aims. To determine possible predictors for the development of psoriatic arthritis in patients with psoriasis.

Methods. The open, uncontrolled, prospective study enrolled 250 patients. The main group consisted of 190 patients diagnosed with plaque psoriasis. The control group consisted of 60 patients with psoriatic arthritis. In order to identify associations of clinical and genetic (HLA-B27 carriage) parameters with the development of psoriatic arthritis, we compared the frequency of occurrence of these parameters in patients with psoriatic arthritis and without.

Results. Among 190 patients with plaque psoriasis 128 (67.4%) men, 62 (32.6%) women, aged 18 to 84 years (40.30 ± 15.56), the average duration of psoriasis was 10.09 ± 11.08 years (0–57). Among 60 patients with psoriatic arthritis 39 (65%) men, 21 (35%) women aged 18 to 86 years (44.43 ± 14.15), the average duration of psoriasis was 20.47 ± 13.22 years (2–57), the average duration of psoriatic arthritis was 7.97 ± 9.95 years (0–47). Сlinical predictors for the development of psoriatic arthritis in patients with psoriasis: nail psoriasis (OR = 2.244 [95% CI: 1.245–4.045]); severe psoriasis (PASI ≥ 20) (OR = 2.148 [95% CI: 1.161–3.975]); arterial hypertension (OR = 1.982 [95% CI: 1.031–3.812]); duration of psoriasis over 25 years (OR = 3.365 [95% CI: 1.676–6.756]), р < 0,05.

Conclusions. The joint consideration of informative predictors will allow us to develop an original multi-parameter mathematical model for calculating the risk of developing psoriatic arthritis in patients with psoriasis.

Background. Basal cell carcinoma is the most widespread malignant skin neoplasm. Angiogenesis is critical for the growth and metastasis of malignant tumors.

Aims. To study the levels of representation of transcripts in the foci of basal cell skin cancer before and after the therapy of genes for angiogenesis proteins and their receptors: angiopoietin 2 ANGPT2, calcitonin-related polypeptide alpha CALCA, epidermal growth factor receptor EGRF, fibroblast growth factor FGF2, intracellular adhesion molecule ICAM1, vascular endothelial growth factor VEGFA and its type 2 receptor VEGFR2, matrix metalloproteinase MMP9, homologue protein of phosphatase and tensin PTEN, tachykinin receptor TAC1, and tumor necrosis factor protein genes TNF.

Methods. The study included 31 patients with histologically confirmed basal cell skin cancer who received treatment at the consultative and diagnostic center of the State Research Center of Dermatovenereology and Cosmetology of Russian Ministry of Health, Moscow in the period from 2020 to 2021, using a pulsed dye laser (wavelength — 585 nm) and long-pulsed neodymium laser (wavelength — 1064 nm). The patients provided skin punch biopsies from BCC lesions and after therapy from the same localization. The gene expression was analyzed with real-time reverse transcription PCR using endogeneous control, and the gene expression ration changes during the therapy were calculated according to Livak’s double delta formulae.

Results. An increased expression of the matrix metalloproteinase MMP9 and the tachykinin precursor TAC1 genes were revealed in skin biopsy samples of the superficial form of basal cell skin cancer during laser pulsed therapy. The expression of tumor necrosis factor TNF, epidermal growth factor receptor EGFR, fibroblast growth factor FGF2 genes increases to a lesser extent. The increasing expression of MMP9 and TAC1 genes also established in skin biopsy samples of the nodular form of basal cell skin cancer. It was shown that the expression of the calcitonin-related polypeptide alpha CALCA gene in the skin of patients is at basal level, which makes it possible to exclude the influence of the neuropeptide on the basal cell skin cancer pathogenesis. Despite the bidirectional changes in expression due to individuality of patients, the average values allow to conclude the expression of all the studied genes is increased after pulse laser destruction therapy. This means neoangiogenesis is continued at the skin even after the destruction of basal cell skin cancer lesions. This could be due to the presence of the basal cell carcinoma microenvironment, likely mast cells, at the affected skin area.

Conclusions. Among the factors of neoangiogenesis potentially influencing the development of basal cell skin cancer, the leading role of expression of the MMP9 matrix metalloproteinase and TAC1 precursor protein of tachykinin has been shown. Simultaneous changes in the level of these proteins may be due to neuroimmune interactions in the epidermis, which is probably realized by mast cells as the microenvironment of the basal cell carcinoma. In the process of laser destruction, there is also a slightly pronounced increased expression of additional factors of neoangiogenesis.

Rationale. Data from randomized clinical trials (RCTs) may differ from the results of the efficacy and safety of medicines in the conditions of daily work.

Purpose. To obtain data on the long-term efficacy and safety of the use of the genetically engineered biological drug netakimab in real clinical practice.

Methods. In everyday clinical practice, a multicenter non-interventional observational study BCD-085-NIS-01 (ORION) was conducted, which involved 260 adult patients with moderate to severe psoriasis.

Results. It was established that the survival rate of genetically engineered biological therapy of netakimab, when analyzing data of 104 weeks of observation, remains high both in bionaive patients and in persons who have previously received treatment for this dermatosis using monoclonal antibodies. The long-term safety profile of netakimab in real clinical practice is comparable to data previously obtained in RCTs and remains favorable for follow-ups up to 2 years.

Conclusion. Therapy with GIBA netakimab using a standard dose of 120 mg and regimen in patients with psoriasis is effective and safe for 104 weeks.

A clinical case of leprosy diagnosis in a citizen of the Republic of Chad (lepra-endemic region), а 24 year old male, student is presented. In 2019 the patient received permission to stay in the Russian Federation for educational purposes, entered one of the federal universities, and studied in Moscow, living in a hostel. During these years, he applied to various clinics, complaining of skin rashes and other symptoms characteristic of leprosy, without the effect of the prescribed treatment. In 2023, after contacting the clinic of skin diseases of the I.M. Sechenov First Moscow State Medical University (Sechenov University), was first sent to the The Federal State Research Center of Dermatovenereology and Cosmetology of the Ministry of Health of Russia with suspicion of leprosy. The results of clinical and laboratory studies including bacterioscopic examination of skin scarifications and pathohistological study of the skin confirmed the diagnosis: A30.5 Leprosy, multibacterial form, lepromatous type, active stage. This case presentation testifies to the lack of alertness regarding leprosy, especially among doctors conducting medical examinations of foreign citizens in order to obtain permission to stay in the Russian Federation, which may cause the spread of dangerous infectious diseases on the territory of the Russian Federation.