Categories: Health

Ebola experimental vaccine sent to Liberia

The first batch of GSK’s Ebola experimental vaccine is on its way to Liberia.

The shipment will be the first potentially preventative medicine to reach one of the hardest hit countries.

However, experts say that, with Ebola cases falling, it may be difficult to establish whether the jab offers any protection against the virus.

The vaccine has been produced by British company GlaxoSmithKline (GSK) and the US National Institutes of Health.

GSK said a plane carrying some 300 initial doses of the vaccine was expected to arrive in Monrovia on January 23.

The company hopes the first volunteer will be immunized in the next few weeks.

GSK CEO Andrew Witty said the pace of development was almost unparalleled and was comparable to only the development of a pandemic flu vaccine or new medicines for HIV.

Photo AP

Scientists aim to involve 30,000 volunteers in the trial in total, including frontline health workers.

If all regulations are met, 10,000 volunteers will be given the GSK vaccine.

A matching number will get a placebo, dummy vaccine. And there are plans for a further 10,000 people to get a separate experimental jab.

The results will be compared to see if either vaccine offers any meaningful protection against the virus.

A version of the vaccine has already been tested on 200 healthy volunteers across the UK, US, Switzerland and Mali.

GSK says it has been found to have an acceptable safety profile so far.

However, it is only in affected countries that experts can determine whether it provides adequate protection against the virus.

Dr. Moncef Slaoui, of GSK said: “Shipping the vaccine today is a major achievement and shows that we remain on track with the accelerated development of our candidate Ebola vaccine.

“The initial phase one data we have seen are encouraging and give us confidence to progress to the next phases of clinical testing.”

GSK stresses the vaccine is still in development and the World Health Organization, and other regulators, would have to be satisfied the vaccine is both safe and effective before any mass immunization campaigns could be considered.

Field trials of other promising vaccines – for example one involving the company Merck – are planned in Guinea, Liberia and Sierra Leone in the months to come.

There are reports that a trial of an experimental drug called Zmapp might start in the next few weeks.

However, experts say with the number of Ebola cases falling opportunities to test vaccines and drugs could be limited.

Kathryn R. Bown

Kathryn - Our health specialist likes to share with the readers the latest news from the field. Nobody understands better than her the relation between healthy mind and healthy body.

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