Ah, the rumor has panned out! I read just now that Medtronic has indeed secured FDA approval for its stand-alone Guardian RT continuous glucose sensor. This is the sensor/transmitter portion of the MiniMed Paradigm system -- the Guardian combined with the company's 522/722 pump -- that has been shipping as a combo unit since June 19.
A few details, per diabetes consultancy Close Concerns:
* This wireless Guardian sensor won't be available to patients till the end of the year, so it won't immediately compete with the DexCom. Also, no pricing info is available yet.
* It will be shown at the upcoming AADE (American Association of Diabetes Educators) conference Aug. 9-12 in Los Angeles.
* Attractive new features include:
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- it's waterproof (wow, no shower patches necessary?!)
- it shows extended trend graphs for 3, 6, 12, and 24 hours (DexCom only shows 1, 3, and 9)
- calibration is necessary only every 12 hours, and sensors are "typically" used for 3 days (which means you can also wear them longer, I assume)
* In terms of outcomes, Medtronic is claiming that CGM (continuous glucose monitoring) technology "identifies four-times more glucose excursions requiring therapy adjustment than just fingerstick monitoring alone" and their REAL-Time alarms "help reduce the duration of hypoglycemic (low blood sugar) episodes by 48 percent."
As an early adopter of CGM myself, all I can say is: Hooray! Within just a few weeks, I've found CGM to be an ENORMOUS HELP in understanding and controlling your glucose levels. So more, ever-better products are extremely good news all-around!!