Reuters: Gilead disputes report that its drug flopped in coronavirus trial


Well-known member
Dec 12, 2018
APRIL 23, 2020

(Reuters) - A closely-watched Gilead Sciences Inc (GILD.O) experimental antiviral drug failed to help patients with severe COVID-19 in a clinical trial conducted in China, but the drugmaker said the study’s results were inconclusive because it was terminated early.

Gilead shares fell more than 4% after the data was inadvertently released and first reported by the Financial Times. It comes days after another report detailed rapid recovery in fever and respiratory symptoms in some patients with COVID-19 - the sometimes deadly respiratory illness caused by the coronavirus - who were treated with remdesivir at the University of Chicago Medicine hospital.

Interest in Gilead’s remdesivir has been high as there are currently no approved treatments or preventive vaccines for COVID-19, and doctors are desperate for anything that might alter the course of the disease that attacks the lungs and can shut down other organs in extremely severe cases.

In the Chinese trial remdesivir, given by intravenous infusion, failed to improve patients’ condition or reduce the pathogen’s presence in the bloodstream, according to draft documents published accidentally by the World Health Organization (WHO).

But details were thin and suggested limitations in interpreting the data that has not yet been fully reviewed.

A screenshot of the WHO posting, captured by the medical news website STAT before it was taken down, said the trial enrolled 237 patients with 158 receiving remdesivir compared with 79 who got a placebo.

The rate of death was similar at 13.9% for remdesivir versus 12.8% in the control group.

“It’s still not that large of a study and therefore the statistics coming out of the trial aren’t exactly robust,” Mizuho analyst Salim Syed said in a research note.

Gilead in a statement said the WHO posting included inappropriate characterizations of the study, which was terminated early due to low enrollment and, as a result, cannot be used to make statistically meaningful conclusions.

“The study results are inconclusive, though trends in the data suggest a potential benefit for remdesivir, particularly among patients treated early in disease,” the company said without providing details to back up that assertion.

Other analysts drew some conclusions anyway. “This Chinese controlled dataset will drive the prevailing view of remdesivir, which is that it likely isn’t working in severe patients,” said Raymond James analyst Steven Seedhouse.

The WHO said the draft manuscript is undergoing peer review before it will be officially released.


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