GUARDIAN™ CONNECT FREESTYLE LIBRE SIDE BY SIDE
With technology developing and changing all the time, it can be hard to understand all of the products and features available. We often receive questions regarding the difference between Guardian™ Connect (CGM) and the Abbott’s Freestyle Libre (FLASH) product.
The below table illustrates the different functionalities of each product, so you can make your choice easily.
Yes, the Guardian™ Connect transmitter measures your interstitial fluid glucose continuously and sends this directly to your compatible device every 5 minutes without requiring any action from you.
Whilst FreeStyle Libre measures your interstitial fluid glucose continuously, it does not automatically send information to your phone or 'reader'. Instead, to obtain your latest reading you must scan your sensor with your phone or 'reader'.
Yes, Guardian™ Connect can send you predictive alerts from 10 to 60 minutes before a high or low (levels that you can set), so you have time to take corrective action and act before it happens.
No alarms or alerts without a sensor scan3.
The FreeStyle Libre system does not have alarms that will automatically notify you when you are having a severe low (hypoglycaemic) or high (hyperglycaemic) glucose event unless you scan your sensor.
For example, the system does not have an alarm that can alert you when you are sleeping in the case of low or high glucose.
For a complete glycaemic picture, you are also required to scan at least once every 8 hours.
Yes, it is an option you decide whether to activate or not. When activated up to 5 people can view your data and receive customisable alerts via SMS. This way, those close to supporting your diabetes management can receive tailored alerts when it matters most.
Data can be shared to others (up to 20), but this is only received when the user scans their sensor. No alerts are received by care partners.
Yes, Guardian™ Connect automatically uploads to CareLink™ Connect when a mobile data connection or WiFi connection is available to your compatible device, so you can view tailored reports, share your data with your care partners and your diabetes healthcare team.
Yes, use the FreeStyle LibreLink app to automatically sync data to LibreView or upload via a reader from a computer.
Example: If a sensor glucose value is 5.5 mmol/L, the blood glucose value will be between 5.0 - 6.0 mmol/L
Example: If a sensor glucose value is 5.5 mmol/L, the blood glucose value will be between 4.8 - 6.2 mmol/L
Yes, calibrations required at least 2 times a day. After the first two start-up calibrations, calibrations are needed every 12 hours to maintain sensor accuracy.
Whilst no calibration is required, finger prick test using a blood glucose meter is required during times of rapidly changing glucose levels when interstitial fluid glucose levels may not accurately reflect blood glucose levels or if hypoglycaemia or impending hypoglycaemia is reported by the system or when symptoms do not match the system readings.
- Medtronic Guardian™ Connect Getting Started Guide - link to PDF
- Abbott Freestyle Libre in service guide – link to PDF
- Projected alerts available only with user invention of system scan per Abbott Freestyle Libre in service guide
- MARD of 9.1% was seen in a clinical study of 24 patients presented at the ATTD conference in 2016. This study included the enhanced Enlite sensor, which is also used in the Guardian Connect system. This sensor was used with the Guardian 2 Link transmitter, which has a similar (but not identical) data processing and interpretation algorithm as the Guardian Connect transmitter. Data on file, Medtronic MiniMed, Inc.
- MARD of 12.0% was seen in the following clinical study. Bailey, Bode, Christiansen, Klaff, Alva The Performance and Usability of Factory Calibrated Flash Glucose Monitoring System Diabetes Tech & Therapeutics 2015 Vol17 Number 11
- Per system description, a dedicated monitor must be purchased
FreeStyle, Libre, and related brand marks are trademarks of Abbott Diabetes Care Inc.
UC201903081 - July 2018