Sir Vallance said: “It’s definitely not a magic bullet to cure this, but it does show that drugs are going to be possible to have an effect on this virus, and therefore there will be more that come along, and ultimately it may need to be a combination of drugs that come together to make this really effective.”
One minute silence to NHS heroes who lost lives to the Coronavirus
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Chief medical adviser Professor Chris Whitty agreed the preliminary results have been “encouraging”, but warned against “over-interpreting” the drug’s potential until a peer-reviewed study is published.
He added a combination of drugs is likely to be needed to overcome the virus.
“What tends to happen is, through incremental steps, you move forward steadily improving, sometimes using combinations of drugs, each of which has a small effect, but when you put them together the added effect is very considerable,” he said.
Prof Whitty also thanked those participating in drugs trials, adding the UK is recruiting volunteers “at an absolutely extraordinary rate.”
More than 1,000 patients have been recruited across the world, including more than 45 from the UK, for the Adaptive Covid-19 Treatment Trial which began at the start of April.
During the trial, which involved more than 70 hospitals across the globe, patients were given the antiviral drug every day for 10 days while they remained in hospital.
Scientists involved in the study defined recovery as a patient being well enough to come off oxygen, being discharged from hospital or even returning to normal activity levels.
There have been no significant side effects noted in patients participating in the trials.
Remdesivir, which was originally developed to treat Ebola, is one of a handful of experimental drugs undergoing clinical trials worldwide to treat coronavirus.
