Cells · 2025
Clinical Value of Tocilizumab in Reducing Mortality in Refractory Septic Shock in Children with Hematologic and Non-Hematologic Diseases.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Lee En-Pei, Lin Jainn-Jim, Chen Shih-Hsiang, Chan Oi-Wa, Su Ya-Ting, Hsiao Man-Ru, Hsia Shao-Hsuan, Wu Han-Ping
Аннотация
BACKGROUND: Pediatric sepsis remains the main cause of morbidity and mortality among children. Interleukin (IL)-6 is usually produced after infection, and elevated IL-6 levels may cause multisystemic damage. This study aimed to evaluate the effect of tocilizumab, an IL-6 receptor antibody, on children with septic shock.
METHODS: We conducted a retrospective cohort study of children diagnosed with septic shock and admitted to the pediatric intensive care unit (PICU) between 2018 and 2024. Tocilizumab was administered within 24 h to patients with high IL-6 levels who developed refractory septic shock. Outcomes, including 28-day mortality, morbidity, length of PICU stay, and shock duration, were analyzed between septic children with different etiologies and differed treatments.
RESULTS: Fifty-four children with refractory septic shock were included. Patients treated with tocilizumab (n = 21) showed improved outcomes compared to those without tocilizumab (n = 33), including shorter PICU stays and lower mortality rates (14.2% vs. 54.5%, p = 0.03). Subgroup analysis revealed that in the non-hematologic group, tocilizumab-treated patients had a 0% mortality rate compared to 50% in untreated patients (p = 0.006). In the hematologic group, tocilizumab-treated patients exhibited a 27.2% mortality rate compared to 61.5% in untreated patients (p = 0.09). Trends in IL-6 levels (D1 to D7) were significantly higher in non-survivors compared to survivors and in patients with hematological malignancies compared to those without. No adverse events, including secondary infections or long-term liver impairment, were observed.
CONCLUSIONS: Tocilizumab appears to mitigate systemic inflammation and improve outcomes in children with refractory septic shock and elevated IL-6 levels. Further prospective studies are warranted to confirm these findings and establish treatment guidelines.
METHODS: We conducted a retrospective cohort study of children diagnosed with septic shock and admitted to the pediatric intensive care unit (PICU) between 2018 and 2024. Tocilizumab was administered within 24 h to patients with high IL-6 levels who developed refractory septic shock. Outcomes, including 28-day mortality, morbidity, length of PICU stay, and shock duration, were analyzed between septic children with different etiologies and differed treatments.
RESULTS: Fifty-four children with refractory septic shock were included. Patients treated with tocilizumab (n = 21) showed improved outcomes compared to those without tocilizumab (n = 33), including shorter PICU stays and lower mortality rates (14.2% vs. 54.5%, p = 0.03). Subgroup analysis revealed that in the non-hematologic group, tocilizumab-treated patients had a 0% mortality rate compared to 50% in untreated patients (p = 0.006). In the hematologic group, tocilizumab-treated patients exhibited a 27.2% mortality rate compared to 61.5% in untreated patients (p = 0.09). Trends in IL-6 levels (D1 to D7) were significantly higher in non-survivors compared to survivors and in patients with hematological malignancies compared to those without. No adverse events, including secondary infections or long-term liver impairment, were observed.
CONCLUSIONS: Tocilizumab appears to mitigate systemic inflammation and improve outcomes in children with refractory septic shock and elevated IL-6 levels. Further prospective studies are warranted to confirm these findings and establish treatment guidelines.