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Recent published work comparing different sensors has outdated our study. It is meaningless to continue to compare "old" sensors, which are updated to never version with different performance.
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The aim of this study is to compare two frequently used sensors for continuous glucose monitoring (CGM); Freestyle Libre and Dexcom G 7. More precisely, the investigators want to investigate if there is any difference in the hypoglycemic range for these two devices.
The investigators are including adults with type 1 diabetes who already are using a Dexcom G 7, in their diabetes treatment. Simultaneously with their Dexcom G7, the participants will get the Libre 2 sensor attached, and are to wear this for a period of 14 days. The Libre sensor is a Freetsyle Libre 2. Glucose data are compared for paired values within a time interval of 5 min or less. In this way the investigators have access to nearly simultaneous glucose values from two different CGM's. In addition, the participants are given a Contour Next One, and are asked to measure their blood glukose with fingerprick if their Dexcom registers a glucose value < 5 mmol/l.
By this project, we hope to gain more precise information about the two most widely distributed CGMs, and their function in the hypoglycemic area. This, can have impact on healthcare professionals' future therapeutic instructions, regarding the use of insulin adjustment and carbohydrate compensation.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Within patient comparison | Other | Simultaneous glucose measurement with Libre 2 sensor and Contour Next One in patients using Dexcom G7 |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Continuos glucose monitoring and blood glucose measurement | Device | The individuals who use Dexcom G 7 sensors for continous glucose monitoring is in addition applied a Libre 2 sensor and asked to wear both sensors for 14 days. In case of a Dexcom glucose value < 5 mmol/l, the participants is aked to measure a blood glucose as well uising fingerprick and Contour Next One |
| Measure | Description | Time Frame |
|---|---|---|
| Difference between paired blood glucose values and simultaneous Dexcom and Libre glucose values | Difference between paired blood glucose values and simultaneous CGM values for Dexcom and Libre for Dexcom values < 5 mmol/l | 5 minutes or less between the glucose values compared |
| Difference between paired Dexcom and Libre glucose values | Difference between paired simultaneous CGM value for Dexcom and Libre for all measured glucose values. | 5 minutes or less between the glucose values compared |
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Inclusion Criteria:
Type 1 diabetes Using Dexcom G 7 -
Exclusion Criteria:
Do not want to participate
-
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| Name | Affiliation | Role |
|---|---|---|
| Klavs W Hansen, MD | Silkeborg Regional Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Silkeborg Regional Hospital | Silkeborg | 8600 | Denmark |
Date, time and glucose values
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At time of submitting the manuscript
on reasonable request
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| ID | Term |
|---|---|
| D003922 | Diabetes Mellitus, Type 1 |
| D007003 | Hypoglycemia |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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Comparison of nearly simultaneous interstitial glucose values obtained by Dexcom G 7 and Libre 2 sensors for continuous glucose monitoring and blood glucose measured with Contour Next one
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|
| D004700 | Endocrine System Diseases |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |