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The U.S. Food and Drug Administration (FDA) has approved the Dexcom G7 15-Day Continuous Glucose Monitor (CGM) for individuals aged 18 and older with diabetes. This system boasts the longest sensor duration currently available on the market, offering extended wear for continuous glucose monitoring.
Dexcom G7 15-Day CGM: Enhanced Diabetes Management
Building upon the established technology and efficacy of the Dexcom G7 CGM, the new 15-day sensor maintains the proven ability to lower A1C levels and mitigate both hyperglycemia (high blood sugar) and hypoglycemia (low blood sugar). While the original G7 sensor has a 10-day lifespan, the extended five-day duration of the G7 15-day sensor aims to simplify diabetes management by reducing the frequency of sensor changes required each month.
Improved Accuracy and Real-Time Monitoring
According to Dexcom, the G7 15-day sensor also offers enhanced accuracy. It features an overall Mean Absolute Relative Difference (MARD) of 8.0%. MARD is a metric that quantifies the difference between CGM sensor readings and blood glucose measurements obtained through traditional blood tests. This represents a slight improvement over the standard Dexcom G7 sensor, which has a MARD score of 8.2%. The sensor transmits real-time glucose data to the Dexcom G7 mobile application every five minutes, enabling continuous and timely blood sugar monitoring.
Continuous Glucose Monitoring: A Modern Approach to Diabetes Care
Continuous glucose monitors have become a widely adopted alternative to fingerstick testing for many individuals with diabetes, providing real-time insights into blood sugar levels. Dexcom has been a prominent leader in glucose biosensing technology for 25 years. In the previous year, Dexcom secured FDA clearance for the Stelo Glucose Biosensor system, the first over-the-counter CGM available without a prescription.
Benefits of the 15-Day CGM Sensor
This advancement signifies a significant step forward in diabetes care. The extended sensor wear time – an additional five days before replacement – not only reduces medical waste but also empowers users with greater control over their diabetes management regimen.
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Key Features of the Dexcom G7 15-Day System
Users of the G7 15-day system will benefit from a range of features already integrated into the G7 platform, including:
- Waterproof Design: Ensuring durability and uninterrupted use during daily activities.
- Automated Activity Tracking: Simplifying logging of physical activity data.
- Simplified Logging: Streamlined process for recording meals and medication intake.
- Apple Watch Connectivity: Enables glucose level monitoring directly from an Apple Watch, eliminating the need to constantly access a smartphone.
Data Sharing and Healthcare Integration
Beyond individual monitoring, the Dexcom G7 platform facilitates data sharing capabilities. Users can share glucose readings with family members, caregivers, and healthcare providers through the Dexcom app. Data sharing with loved ones requires an internet connection on a compatible device and is limited to a maximum of 10 followers. Integration with the Dexcom Clarity application allows physicians to remotely access patient glucose data, provided the patient grants authorization for data sharing with their clinic.
Availability and Cost
The FDA clearance paves the way for Dexcom to ensure compatibility of the G7 15-day sensor with insulin pumps. According to company announcements, the launch of the G7 15-day sensor is anticipated in the latter half of 2025. A new prescription will be necessary to obtain the G7 15-day sensor. Dexcom projects that the monthly cost of the new 15-day sensor will be comparable to that of the current Dexcom G7 system, though final pricing will be determined by individual insurance coverage plans.