Interleukin-2 for COVID-19
2 studies with 94 patients
Hospital Icon Control
Hospital Icon Interleukin-2 Serious Outcome Risk
No significant improvements are seen in meta analysis to date.
COVID-19 Interleukin-2 studies. Nov 2025. c19early.org
0 0.5 1 1.5+ All studies -5% Mortality -71% Hospitalization -4% RCTs -71% Late -5% Favorsinterleukin-2 Favorscontrol
Apr 28
2022
Pimenta Bonifácio et al., Revista da Sociedade Brasileira de Medicina Tropical, doi:10.1590/0037-8682-0565-2022 (date from preprint) Efficacy and safety of Ixekizumab vs. low-dose IL-2 vs. Colchicine vs. standard of care in the treatment of patients hospitalized with moderate-to-critical COVID-19: A pilot randomized clinical trial (STRUCK: Survival Trial Using Cytokine Inhibitors)
71% higher mortality (p=0.64) and 90% worse improvement (p=0.42). Open label RCT late stage hospitalized patients in Brazil showing no significant difference with IL-2 or ixekizumab treatment. Mortality was lower and recovery was greater with colchicine, without statistical significance.
Jan 18
2021
Zhu et al., Experimental and Therapeutic Medicine, doi:10.3892/etm.2021.9658 Recombinant interleukin-2 stimulates lymphocyte recovery in patients with severe COVID-19
4% longer hospitalization (p=0.78). PSM retrospective 59 hospitalized patients with severe COVID-19 showing that recombinant human interleukin-2 (rIL-2) treatment significantly increased lymphocyte counts. There were no significant differences in C-reactive protein or IL-6 ..