CGM Research Hub

Continuous Glucose Monitoring

Comprehensive research on CGM technology, from sensor mechanisms and accuracy analysis to non-invasive monitoring innovations and automated insulin delivery systems.

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Research Articles
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Topic Categories
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Years of CGM History
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Major Manufacturers

Featured Research

Essential reading on continuous glucose monitoring

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Continuous Glucose Monitors (CGMs), while critical for diabetes management, carry distinct safety risks. **Dermatological issues** are the most common...

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Technology & Innovation
Intermediate

CGM Sensor Technology Mechanisms

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Technology & Innovation
Intermediate

Comparative Accuracy and MARD Analysis

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Technology & Innovation
Intermediate

Data Ecosystems and Remote Monitoring

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Research & Future Tech
Intermediate

Implantable Long-Term CGM Solutions

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Compare CGM Systems

Interactive side-by-side comparison of leading continuous glucose monitoring devices

CGM Device Comparison

Compare specifications across major CGM systems

Feature
Dexcom G7
Dexcom
FreeStyle Libre 3
Abbott
Guardian 4
Medtronic
Sensor Life10 days14 days7 days
Warmup Time30 minutes60 minutes2 hours
MARD (Accuracy)8.2%7.9%10.4%
CalibrationFactoryFactoryFactory
AID Integration
Waterproof RatingIPX8 (24ft)IP27 (3ft, 30min)IPX8 (8ft)
TransmitterBuilt-inBuilt-inSeparate
Compatible Apps
Dexcom G7
Apple Watch
Clarity
LibreLink
LibreView
Guardian Connect
CareLink
Approx. Price$300-400/month$150-200/month$400-500/month
Insurance CoverageWide CoverageWide CoverageModerate
Wear Locations
Abdomen
Back of upper arm
Back of upper arm
Abdomen
Upper arm
Upper buttocks
Pros
  • Fastest warmup
  • Smallest size
  • No separate transmitter
  • Wide AID compatibility
  • Longest wear time
  • Lowest cost
  • Best MARD
  • Thinnest sensor
  • Multiple wear locations
  • Medtronic pump integration
  • Predictive alerts
Cons
  • Shorter wear time
  • Higher cost
  • Limited AID integration
  • Single wear location
  • Shortest wear time
  • Longest warmup
  • Highest MARD

CGM Evolution Timeline

Key milestones in the development of continuous glucose monitoring technology

1999

First FDA-Approved CGM

2006

Dexcom STS Launch

2008

FreeStyle Navigator

2014

Dexcom G4 Platinum

2016

FreeStyle Libre Launch

2018

Dexcom G6

2020

Eversense Implantable

2022

Dexcom G7

2024

OTC CGM Market

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CGM System Comparison

Compare leading CGM systems from major manufacturers

Manufacturer Comparison

FeatureDexcom G7FreeStyle Libre 3Guardian 4
Sensor Life10 days14 days7 days
Warmup Time30 min60 min2 hours
MARD8.2%7.9%10.4%
Factory CalibratedYesYesYes
AID IntegrationYesLimitedMedtronic only
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Also Explore Test Strips Research

Comprehensive research on blood glucose monitoring test strips

Test Strips Hub

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