Senseonics CEO Tim Goodnow told investors in August that the clearance and launch of the yearlong sensor would be “one of the most significant catalysts in the company’s history.” 

In addition to the longer wear time, the new sensor requires less frequent calibration using fingersticks; calibration is only required once per week after day 14. The current 180-day sensor must be calibrated twice daily for the first 21 days, and daily after that.

Most other CGMs on the market are worn for 10 to 14 days and need to be replaced if the sensor comes off.