Northwick Park Drug Trial Lacks Information Clarity

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2008-10-28 00:51

Drug test volunteers should be given clearer, easier-to-understand information before signing up to take part, say researchers at the University of Leeds. Their research follows the shocking outcome of the drug trial at Northwick Park hospital in March 2006 where six people were left fighting for their lives.

Volunteers on that disastrous trial - dubbed the "Elephant Man" drug trial by the media - were given just ten minutes to understand pages of complicated documents. The Leeds research team found that the information provided for the volunteers in the notorious TeGenero TGN 1412 drug trial was not easily understandable and this would have been apparent if it had been tested on members of the public beforehand.

They say written information should be designed and written for clarity so that volunteers understand key information about the study they are taking part in. User testing is required by EU law for the information leaflets inside medicine packs. Using a similar method the Leeds team tested the information provided to the men who took part in the drug trial at Northwick Park hospital.

The information sheet for the trial was eleven pages long and contained more than 5,500 words. Some volunteers who took part in the trial have claimed that they were given as little as ten minutes to read complex and difficult wording containing unfamiliar specialist terms and phrases such as, "pharmacokinetics" and "singlecentre, double-blind, randomised, placebo-controlled, single-escalating dose study".

Researchers found that members of the public took up to an hour to find all the answers to 21 questions about key facts in the information provided to the trial volunteers and on six per cent of occasions the participant could not find the key fact at all.

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