Clinical and anamnestic analysis of patients with Stevens–Johnson syndrome/toxic epidermal necrolysis hospitalised in Moscow. Development of a prognostic model of unfavourable outcomes

Nikitina E.A. Dushkin A.D. Streltsov Y.V. Andreev S.S. Kruglova T.S. Markina U.A. Lebedkina M.S. Lysenko M.A. Fomina D.S.
10 October 2025 Pharmarus Print Media

Russian Journal of Allergy
2025 #22 Issue 3 233 - 247 pp.

BACKGROUND: Stevens–Johnson syndrome and toxic epidermal necrolysis are severe life-threatening conditions characterized by massive lesions of the skin and mucosa. At present, considering the high mortality rate, one of the most promising areas of research is the study of predictors of the severity of the pathology, since prognosis of the disease can further influence the choice of treatment strategy. AIM: Determination of epidemiological features, identification of clinical and laboratory predictors of the disease severity, and construction of a prognostic model for patients with Stevens–Johnson syndrome and toxic epidermal necrolysis within the framework of analysis of electronic medical records of Moscow. MATERIALS AND METHODS: The study was based on a retrospective analysis of medical records of patients with SJS/TEN from 2020 to 2023. Initially, 230 individuals over 18 years of age were included in the analysis. As a result of selection from the primary cohort, 122 patients satisfying the criteria for the diagnosis of Stevens–Johnson syndrome and toxic epidermal necrolysis were included in the final analysis. Patients did not undergo additional follow-up as part of this study. RESULTS: In the analyzed cohort, a prevalence of female patients (n = 72; 59.01 %) over male patients (n = 50; 40.99 %) was observed. Lethal outcome was recorded in 27 (22.13 %) patients, of which 21 (77.8 %) had a verified diagnosis of toxic epidermal necrolysis, which was associated with a higher incidence of death compared to Stevens–Johnson syndrome (n = 6 (p = 0.001)). It was found that 112 (91.8 %) cases were likely associated with medication use, while 10 (8.2 %) presented a verified infectious agent Mycoplasma pneumoniae. Antiepileptic drugs were the most frequent cause of drug-induced Stevens–Johnson syndrome/toxic epidermal necrolysis (n = 62; 55.4 %). Based on the analysed clinical and laboratory data, a prognostic model was developed to determine the probability of lethal outcome, including decreased serum bicarbonate, increased levels of c-reactive protein, fibrinogen, fever, hypoalbuminemia. CONCLUSION: Stevens–Johnson syndrome and toxic epidermal necrolysis are rare conditions with a high mortality rate and high risk of disabling complications. Early verification of the diagnosis and stratification of patients by severity group is optimal for the choice of treatment tactics; however, further work is currently required to standardise the assessment of the severity of patients with Stevens-Johnson syndrome and toxic epidermal necrolysis.

anticonvulsant , predictive modelling , Stevens–Johnson syndrome , toxic epidermal necrolysis

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Moscow City Hospital 52, bld. 3, 3 Pekhotnaya st., Moscow, 123182, Russian Federation
The First Sechenov Moscow State Medical University (Sechenov University), Moscow, Russian Federation
National Medical Research Center for High Medical Technologies — Central Military Clinical Hospital named after A.A. Vishnevsky, Moscow, Russian Federation
S.M. Kirov Military Medical Academy, Moscow, Russian Federation
The Russian National Research Medical University named after N.I. Pirogov, Moscow, Russian Federation
Astana Medical University, Astana, Kazakhstan

Moscow City Hospital 52
The First Sechenov Moscow State Medical University (Sechenov University)
National Medical Research Center for High Medical Technologies — Central Military Clinical Hospital named after A.A. Vishnevsky
S.M. Kirov Military Medical Academy
The Russian National Research Medical University named after N.I. Pirogov
Astana Medical University

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