SOFA score > 6 points
Patient who, in the researcher's opinion, is not a subsidiary of invasive mechanical ventilation
Neutrophil count < 2 x 103 / μL
Platelet count < 100 x 103 / μL
ALT or AST levels > 5 times the upper limit of normal
Severe renal failure (CrCr < 30 mL / min)
Active bacterial infectious process
Active TB, history of not completing treatment against tuberculosis, suspicion of extrapulmonary tuberculosis
History of intestinal ulcer or diverticulitis
History of hypersensitivity reactions to sarilumab or its excipients
Treatment with TNF antagonists
Previous treatment with anti‐IL6 in the previous 30 days
Chronic prior treatment with corticosteroids at doses greater than 0.5 mg / kg / day of prednisone or equivalent. Yes, inhaled and topical corticosteroids are acceptable
Concomitant treatment with immunomodulators, among which are Vitamin D or statins. Macrolides such as azithromycin are acceptable
Patients on immunosuppressive treatment for any cause
HIV‐infected patients with CD4 < 200 / mm3
Past or current history of autoimmune disease or systemic inflammatory disease
Patients who have received or are planning therapy with immunomodulatory antibodies, including immunoglobulins
Participation in any clinical trial that evaluated any investigational product in the last 3 months or less than 5 half‐lives of the investigational product
Pregnancy
Any other condition that, in clinical judgment, prevents adherence to the patient's protocol