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Researchers from the Indian Institute of Technology Madras (IIT Madras) have developed an affordable blood glucose monitoring device with an integrated screen that can be worn as a smartwatch. The device has a tremendous benefit for those suffering from diabetes. The most prevalent method for monitoring blood glucose levels is an invasive process that involves pricking the finger multiple times a day to draw blood then test the blood on a device. Continuous Glucose Monitoring (CGM) is an alternative that does not require repeated finger pricks, but the existing CGM devices in the market are expensive, require a dedicated reader to display the results, or an independent device such as smartphones or computers.
The IIT Madras researchers reimagined what a CGM device should be from scratch, and the innovations towards it have been formally recognised and protected through multiple patents. The device is a modular system that combines reusable electronics with a low-cost display, and a microneedle sensor patch that can be discarded after use. The researchers have also formulated a multi-pronged strategy to bring the device into the market. A startup has been formed to refine the device and conduct clinical trials, with the IIT Madras Research Park providing prototyping facilities, regulatory advisors as well as access to networks of investors. The researchers are also in active discussions with established medical device manufacturers to license the technology.
One of the scientists who worked on the development of the device, L Balamurugan says, “A device like this is a real enabler. By making glucose monitoring painless, discreet, and affordable, it encourages people to check their levels more regularly, understand their body’s patterns, and take timely action. Over time, it leads to fewer emergencies, fewer hospital visits and less strain on families and healthcare systems. On a National scale, a domestically-developed CGM also strengthens our self-reliance in medical technology, reducing dependence on imported devices and creating opportunities for local manufacturing and employment.” The researchers have built and tested functional prototypes, and have confirmed the accuracy. The nest steps are clinical validation, manufacturing readiness, reliability tests and regulatory clearance.
