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Artificial pancreas for diabetes patients could be available within a year | One Herald
Home / Health / Artificial pancreas for diabetes patients could be available within a year

Artificial pancreas for diabetes patients could be available within a year


An artificial pancreas could replace insulin injections for type 1 diabetes patients.

An artificial pancreas could replace insulin injections for type 1 diabetes patients. Photo: Matthew Bouwmeester

People living with type 1 diabetes could soon be free of regular insulin injections, after researchers said an artificial pancreas could become available within a year.

Those diagnosed with the autoimmune condition need regular insulin injections, sometimes up to six times a day, to compensate for a pancreas that produces little or no insulin. The body needs insulin in order to convert glucose into energy.

The artificial pancreas is able to monitor the wearer’s blood glucose levels and automatically adjust the level of insulin entering the body. Current devices allow insulin pumps to deliver insulin after a reading from a glucose meter.

Some of the components that make up the artificial pancreas.

Some of the components that make up the artificial pancreas. Photo: Diabetologia

Cambridge University researchers behind the artificial pancreas say the device would “close the loop” and combine both tasks.

Roman Hovorka and Hood Thabit reported a positive response from patients who participated in trials, particularly because the device gave them “time off” or a “holiday” from their diabetes management.

“The system is managing their blood sugar effectively without the need for constant monitoring by the user,” they wrote in Diabetologia, the journal of the European Association for the Study of Diabetes.

The artificial pancreas monitors blood glucose in type 1 diabetes patients and automatically adjusts levels of insulin ...

The artificial pancreas monitors blood glucose in type 1 diabetes patients and automatically adjusts levels of insulin entering the body.
Photo: Diabetologia

The system works by attaching a smartphone-sized device to the belly of a patient to monitor blood sugar levels. Readings are transmitted to a control gadget attached to clothing, which is linked to an insulin pump to administer the correct dose through the skin.

Insulin requirements vary dramatically between and even within individuals. On one day a person could use a third of their normal requirements and on another, three times what they would normally use.

Developers say the artificial pancreas could also be used by people diagnosed with type 2 diabetes.

A illustration showing the location of the pancreas.

A illustration showing the location of the pancreas. Photo: Malgorzata Tatarynowicz

“Closed-loop technologies are … destined to provide a viable alternative for existing insulin pump therapy and multiple daily insulin injections,” Dr Hovorka and Dr Thabit concluded.

The US Food and Drug Administration is reviewing one of the proposed artificial pancreas models, with approval possible as early as 2017. The UK equivalent authority, the National Institute of Health Research, has said the device could appear on the market by 2018.

However, some challenges still need to be resolved in the artificial pancreas, including addressing the time it takes for the insulin to take effect. Some fast-acting insulin took up to two hours after injection to reach peak levels in the bloodstream, which is not ideal for people participating in vigorous exercise.

The number of adults with diabetes has quadrupled worldwide in under four decades to 422 million, according to the World Health Organisation.

More than 100,000 Australians have developed diabetes in the past year, according to Diabetes Australia, which estimates 1.7 million Australians are living with diabetes.

 

 

 

 

 

 

 



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