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Dexcom launches G7 continuous glucose monitor

Smaller than its predecessor, the G7 may benefit children and adults using multiple daily injections and those who experience hypo unawareness.
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Kate Lawton 6 October 2022

A woman and girl using a Dexcom G7 continuous glucose monitor

What’s new about the G7 CGM?

The G7 is the latest version of Dexcom’s range of continuous glucose monitors (CGM).

The G7 is 60% smaller than the previous model, the G6. It also warms up more quickly, so you can start to use it after 30 minutes.

It also has an integrated sensor and transmitter, which makes it easier to apply, and unlike the G6, the G7 is fully disposable. The G7 has improved accuracy and can be worn in more places; on the upper arm, abdomen, or – for children aged between 2 and 6 – on their upper buttocks.

The G7 has improved alert settings and has a redesigned receiver that is smaller but with a display that is easier to read. The mobile app has also been redesigned and simplified. Plus, there is a 12 hour ‘grace period’ giving greater flexibility on when you need to replace the CGM.

How it works with other tech

Many CGMs are compatible with insulin pumps to create a hybrid closed loop system which automates insulin delivery.

The G7 is currently not compatible with insulin pumps, so it can’t be used as part of a hybrid closed-loop system (also known as the artificial pancreas). However, there are plans to develop this capability in the future.

Who will benefit from the G7?

CGMs are used to monitor glucose levels in real-time, throughout the day and night, and relieve the burden of having to do multiple finger prick tests throughout the day.

Although the G7 can’t form part of a closed loop system, it may be beneficial for children and adults who use multiple daily injections of insulin and want to use a CGM to monitor their glucose levels. It’s also recommended for people who find it difficult to recognise the signs and symptoms of a hypo, known as hypo unawareness.

How can I get a G7?

If your healthcare professional feels that you would get a specific benefit from using the G7 rather than other CGMs, they will be able to order one for you.

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