Taking the Blood Out of Glucose Testing

Integ Inc. received some good news regarding their LifeGuideª System hand-held glucose meter at the AMSS. Two separate clinical studies were presented that confirmed the use of interstitial fluid (ISF) – the clear fluid between cells found throughout the body and skin – as a viable, bloodless method for measuring glucose.

One study, performed at the Mayo Clinic compared the glucose concentrations from minute quantities of ISF to glucose concentrations in blood samples taken from the fingertips and veins of 67 subjects. The researchers determined that ISF testing is less invasive and gets results that match BG tests.

The other study, performed at the University of Minnesota in Minneapolis, compared ISF samples to fingertip and vein blood samples over a five-hour period before and after breakfast. This is a period in which glucose levels change very rapidly. Despite this, John Battle, MD, reported that, “We concluded that dermal ISF glucose level can reliably estimate plasma [blood] glucose.”

This is good news for Integ because they plan to use this technology in their LifeGuide System glucose monitor. The LifeGuide meter is a hand-held, battery powered meter that draws out ISF from the outermost layers of skin. The user will have to hold the device against the forearm for anywhere from five to 30 seconds to get an adequate size sample of ISF – approximately 1/50 of a drop of blood. Using a process called infrared spectroscopy, the device will then give a glucose reading.

Integ hopes that their less-invasive technology will encourage more frequent glucose monitoring.

According to Integ the meter will be “competitively priced” with the BG meters currently on the market. Integ plans to introduce the meter after receiving FDA premarket notification. For more information call (612) 639-8816 or visit Integ’s new web site at www.integonline.com.