Finger-prick test that can show risk of diabetes

By Sarah Knapton

A simple blood test to show chance of developing Type 2 diabetes is on the horizon. Photo / iStock
A simple blood test to show chance of developing Type 2 diabetes is on the horizon. Photo / iStock

A simple blood test to show the chance of developing Type 2 diabetes within five years - giving people the chance to change their unhealthy lifestyles - is on the horizon.

The finger-prick test, which could be available at GP surgeries or even chemists, looks for molecules in the blood that indicate diabetes is developing.

Type 2 diabetes affects around 3.3million people in England and Wales. As well as requiring daily injections of insulin, it can lead to blindness, strokes, kidney failure and limb amputation.

Yet the disease is primarily caused by poor lifestyle, and changes in diet and exercise can stave it off before it takes hold.

Scientists hope the test will provide a crucial window of opportunity and potentially save health services millions of pounds. Treating diabetes costs Britain's NHS £10 million a day.

Currently, doctors can test for diabetes only by taking blood glucose readings that show whether the disease is already present.

The test, being created at Nottingham Trent University and Cardiff University, will use a sensor in a special kind of "nano-material", which traps specific molecules - or biomarkers - that indicate disease years before Type 2 diabetes develops.

The specific biomarkers involved are being kept a closely guarded secret for now, but once a prototype test has been developed, trials will take place. "Due to factors such as people living longer, sedentary lifestyles and obesity, the number of people with Type 2 diabetes is growing by 7 per cent a year," said Bob Stevens, a professor at Nottingham Trent University's School of Science and Technology.

"It's hugely important that steps are taken to address this major health issue, and we have the technology here to help make a difference.

"It will probably give the result in different shades of grey. If you got light grey, it might mean you should stop eating that cake, but a darker reading might show you need to do a lot more exercise.

"We will be able to give people an opportunity to change their diet and lifestyle, and make a positive impact to healthy ageing. Not everyone will be motivated to make the changes but if even 1 per cent change because of it, it could have a huge impact.

"In addition, the savings to the NHS could be enormous."

The team hopes the device will be on shelves or in doctors' surgeries within three years.

Type 2 accounts for about 90 per cent of all diabetes cases in Britain and the number of sufferers has risen by 59.8 per cent in a decade, equating to an extra 1.2?million adults.

Diabetes UK predicts that if current trends continue, five million people will have diabetes by 2025.

- Daily Telegraph UK

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