Nature wades through the literature on the new coronavirus — and summarizes key papers as they appear.
Tocilizumab is used to treat rheumatoid arthritis but has also shown promise in treating severe COVID-19.Credit: Alamy
14 January — Two anti-inflammatory drugs prevent COVID deaths
Two drugs that dampen the body’s immune response can save the lives of people with severe COVID-19.
Some people gravely ill with COVID-19 have tissue damage inflicted by their own immune response, and also show increased activity of immune-system molecules and cells regulated by a protein called IL-6. To study the effect of quashing IL-6 activity, Anthony Gordon of Imperial College London and his colleagues tested the drugs tocilizumab and sarilumab, which block the protein that immune cells use to detect IL-6 (A. C. Gordon et al. Preprint at medRxiv https://doi.org/fqgf; 2021).
The team gave the drugs to 803 adults with COVID-19 who were in intensive care and receiving organ support, such as ventilation or high-flow oxygen. Of these participants, 353 received tocilizumab, 48 received sarilumab and 402 received neither. The drug treatment reduced the death rate — from nearly 36% in the control group to 28% among those who received tocilizumab and 22% for sarilumab.
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