Swiss pharmaceuticals giant Novartis has decided to halt a clinical trial of hydroxychloroquine as a treatment for Covid-19, citing problems in recruiting enough patients for the study of the controversial drug.
A cheap and widely-used steroid called dexamethasone has become the first drug shown to be able to save lives among Covid-19 patients in what scientists said is a "major breakthrough" in the coronavirus pandemic.
Fujifilm Holdings Corp's research on Avigan as a potential treatment for Covid-19 may drag on until July, the company said on Sunday, a further setback in the Japanese firm's race to find a vaccine.
British scientists halted a large trial on Monday that had been exploring the use of the anti-malaria drug hydroxychloroquine in patients with the pandemic disease Covid-19 after initial results showed no evidence of benefit.
Fujifilm Holdings Corp will continue research on Avigan into June, Japan's government said on Tuesday, effectively dashing hopes by Prime Minister Shinzo Abe that the drug would be approved as a Covid-19 treatment this month.
Glenmark Pharmaceuticals Ltd said on Tuesday it will begin a new clinical trial in India to test a combination of two anti-viral drugs, favipiravir and umifenovir, as a potential Covid-19 treatment.