AUTHOR=Parisi Simone , Ditto Maria Chiara , Ghellere Francesco , Panaro Salvatore , Piccione Francesca , Borrelli Richard , Fusaro Enrico TITLE=Update on tocilizumab in rheumatoid arthritis: a narrative review JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1470488 DOI=10.3389/fimmu.2025.1470488 ISSN=1664-3224