Tocilizumab is a recombinant humanized monoclonal antibody IL-6 receptor inhibitor used to treat inflammatory and autoimmune conditions. It was first described in the literature in 2003 when Chugai, a subsidiary of Roche began developing IL-6 inhibiting monoclonal antibodies. Tocilizumab was granted FDA approval on 8 January 2010 to treat a number of inflammatory and autoimmune disorders, such as different types of arthritis and cytokine release syndrome. It was later approved by Health Canada on 30 April 2010. After being investigated to treat severely ill patients with COVID-19, tocilizumab was approved by the European Commission in December 2021 to treat COVID-19 in adults receiving systemic corticosteroids and supplemental oxygen or mechanical ventilation. Subsequently, it was granted approval by Health Canada and the FDA in October and December 2022, respectively. Tocilizumab-bavi, a biosimilar drug, was approved by the FDA in September 2023.
Tocilizumab is indicated to treat moderate to severe rheumatoid arthritis, giant cell arteritis, systemic sclerosis-associated interstitial lung disease, polyarticular juvenile idiopathic arthritis, systemic juvenile idiopathic arthritis, and cytokine release syndrome.
Tocilizumab is also used to treat coronavirus disease 2019 (COVID-19) in adults who are receiving systemic corticosteroids and require supplemental oxygen, mechanical ventilation, or extracorporeal membrane oxygenation (ECMO).
Barrow Neurological Institute, Phoenix, Arizona, United States
Massachusetts General Hospital, Boston, Massachusetts, United States
Wake Forest University School of Medicine, Winston-Salem, North Carolina, United States
UZ Leuven Gasthuisberg, Leuven, Belgium
Hopital Claude Huriez; Internal Medicine, Lille, France
Joint & Muscle Research Institute, Charlotte, North Carolina, United States
Keesler Medical Center, Keesler Air Force Base, Mississippi, United States
Investigational Site Number 392001, Sendai-Shi, Japan
Investigational Site Number 392002, Sendai-Shi, Japan
Investigational Site Number 392003, Sendai-Shi, Japan
National Institute of Rheumatology and Physiotherapy; 4Th Rheumatology Department, Budapest, Hungary
Budai Irgalmasrendi Kórház KHT. II. Reumatológia, Budapest, Hungary
Szent Andras Reumakorhaz; Reumatologia, Heviz, Hungary
University of Texas MD Anderson Cancer Center, Houston, Texas, United States
University of Pittsburgh, Pittsburgh, Pennsylvania, United States
Hackensack University Medical Center, Hackensack, New Jersey, United States
University of California Los Angeles (UCLA), Santa Monica, California, United States
Princess Margaret, Toronto, Ontario, Canada
Hospital Universitari Vall d'Hebron; Servicio de Hematologia, Barcelona, Spain
Hospital Clínic i Provincial; Servicio de Hematología y Oncología, Barcelona, Spain
Azienda Ospedaliera Di Perugia Ospedale s. Maria Della Misericordia; Oncologia Medica, Sant'Andrea Delle Fratte (PG), Umbria, Italy
Cedars Sinai Medical Center; Samuel-Oschin Comprehensive Cancer Institute, Los Angeles, California, United States
START Madrid. Centro Integral Oncologico Clara Campal; CIOCC, Madrid, Spain
Stanford University, Palo Alto, California, United States
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