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Dexamethasone First Drug Able To Improve Survival From COVID-19

After 28 days, it had reduced deaths by 35% in patients who needed treatment with breathing machines and by 20% in those only needing supplemental oxygen

 

 

LONDON| Researchers in England say they have the first evidence that a drug can improve COVID-19 survival. A cheap, widely available steroid called dexamethasone reduced deaths by up to one third in severely ill hospitalised patients.

Results were announced Tuesday and researchers said they would publish them soon. The study is a large, strict test that randomly assigned 2,104 patients to get the drug and compared them with 4,321 patients getting only usual care.

The drug was given either orally or through an IV. After 28 days, it had reduced deaths by 35% in patients who needed treatment with breathing machines and by 20% in those only needing supplemental oxygen. It did not appear to help less ill patients.

Peter Horby of the University of Oxford, said in a statement, “This is an extremely welcome result.”

Horby said, “The survival benefit is clear and large in those patients who are sick enough to require oxygen treatment, so dexamethasone should now become the standard of care in these patients. Dexamethasone is inexpensive, on the shelf, and can be used immediately to save lives worldwide.”

Nick Cammack of Wellcome, a British charity that supports scientific research said, “Even though the drug only helps in severe cases, “countless lives will be saved globally.”

Cammack said, “Dexamethasone must now be rolled out and accessed by thousands of critically ill patients around the world.” He further added, “It is highly affordable, easy to make, can be scaled up quickly and only needs a small dosage.”

Steroid drugs reduce inflammation, which sometimes develops in COVID-19 patients as the immune system overreacts to fight the infection. This overreaction can prove fatal, so doctors have been testing steroids and other anti-inflammatory drugs in such patients. The World Health Organization advises against using steroids earlier in the course of illness because they can slow the time until patients clear the virus.

Researchers estimated that the drug would prevent one death for every eight patients treated while on breathing machines and one for every 25 patients on extra oxygen alone.

This is the same study that earlier this month showed the malaria drug hydroxychloroquine was not working against the coronavirus. The study enrolled more than 11,000 patients in England, Scotland, Wales and Northern Ireland who were given either standard of care or that plus one of several treatments, dexamethasone, the HIV combo drug lopinavir-ritonavir, the antibiotic azithromycin, the anti-inflammatory drug tocilizumab, or plasma from people who have recovered from COVID-19 that contains antibodies to fight the virus.

Research is continuing on the other treatments. The research is funded by the government health agencies in the United Kingdom and private donors including the Bill and Melinda Gates Foundation.

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