Monday, April 13, 2009

Microchip That Tells When You Have Taken Your Pills

Microchips in pills could soon allow doctors to find out whether a patient has taken their medication.

The digestible sensors, just 1mm wide, would mean GPs and surgeons could monitor patients outside the hospital or surgery.

Developers say the technology could be particularly useful for psychiatric or elderly patients who rely on a complicated regime of drugs – and are at risk if they miss a dose or take it at the wrong time.

It could also be used for the chronically ill, such as people with heart disease, to establish whether costly drugs are working or whether they are causing potentially dangerous side effects.

The ‘intelligent’ medicine works by activating a harmless electric charge when drugs are digested by the stomach.

This charge is picked up by a sensing patch on the patients’ stomach or back, which records the time and date that the pill is digested. It also measures heart rate, motion and breathing patterns.

The information is transmitted to a patient’s mobile phone and then to the internet using wireless technology, to give a complete picture of their health and the impact of their drugs.

The silicon microchips are invisible to patients and can be added to any standard drug during the manufacturing process.

Two major drugs companies are investigating the technology, developed by US-based Proteus Biomedical. Trials are to begin in the UK within 12 months.
via Mail Online

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