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COVID-19

Colchicine, a cheap drug normally used to treat gout, buy online coumadin ca without prescription helps to cut the need for oxygen therapy and hospital stay in COVID-19 patients, reveal the results of a small clinical trial, published in the online journal RMD Open.

The findings prompt the Brazilian researchers to suggest that although it’s not possible to confirm whether colchicine can alter the risk of death, it may nevertheless be worth adding it to standard treatment for hospital patients with moderate to severe COVID-19 infection.

Colchicine has been successfully used to treat and prevent systemic inflammatory conditions, including gout; systemic inflammation is a cardinal feature of moderate to severe COVID-19 infection.

The researchers therefore wanted to find out if adding it to standard treatment might reduce the need for supplemental oxygen, length of hospital stay, including in intensive care, and risk of death in patients with moderate to severe COVID-19 infection.

Moderate disease was defined as fever, breathing difficulties, and pneumonia; severe disease was defined as all of the above, plus a rapid breathing rate of 30 or more times a minute and low levels of oxygen in the body (oxygen saturation of 92% or less).

Between April and August 2020, they randomly assigned 75 patients admitted to hospital with moderate to severe COVID-19 infection to receive either standard treatment plus 0.5 mg colchicine three times a day for 5 days, followed by the same dose twice a day for 5 days, or standard treatment plus a dummy (placebo) drug.

Standard treatment comprised doses of the antibiotic azithromycin, the antimalarial hydroxychloroquine, and the blood thinner heparin, plus a steroid (methylprednisolone) if the need for supplemental oxygen was considerable—equal to 6 litres/minute or more—and intensive care required.

Only five patients were within a healthy weight range: overweight and obesity are known risk factors for more severe COVID-19 infection.

The results are based on 72 patients (36 in each group). The average length of time patients needed oxygen therapy was 4 days for those treated with additional colchicine compared with 6.5 days for those in the standard treatment plus placebo group.

Similarly, the average length of hospital stay was 7 days for the colchicine group compared with 9 for the standard treatment group.

By day 7, fewer than 1 in 10 (9%) of those treated with colchicine needed maintenance oxygen compared with more than 4 out of 10 (42%), in the standard treatment group.

Two patients died, both of whom were in the placebo group. Overall, colchicine was safe and well tolerated, with few side effects; diarrhoea was more common in those taking colchicine.

The researchers caution that only a small number of patients were included in the trial, and that they weren’t able to find out if colchicine might avoid the need for intensive care or lessen the risk of death.

Nor is it entirely clear how the drug might help to combat COVID-19 infection. Colchicine is “very unlikely” to have some direct antiviral properties, but it may lessen the body’s inflammatory response and help ward off damage to the cells lining vessel walls (endothelial cells), they suggest.

“Whatever the mechanism of action…—colchicine seems to be beneficial for the treatment of hospitalised patients with COVID-19,” they write, adding that it wasn’t associated with serious side effects, such as heart or liver damage or immune system suppression—side effects that have sometimes been linked to some of the other drugs used to treat the infection.

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