LONDON, Nov. 20 -- Gilead's remdesivir is not recommended for patients hospitalised with COVID-19, regardless of how ill they are, as there is no evidence the drug improves survival or reduces the need for ventilation, a World Health Organization panel said on Friday.

"The ... panel found a lack of evidence that remdesivir improved outcomes that matter to patients such as reduced mortality, need for mechanical ventilation, time to clinical improvement, and others," the guideline said.

The advice is another setback for the drug, which grabbed worldwide attention as a potentially effective treatment for COVID-19 in the summer after early trials showed some promise.

At the end of October, Gilead GILD.O cut its 2020 revenue forecast, citin...