Healthy Clinical Trial
Official title:
Evaluation of the Profile of Blood Glucose Using Dexcom G4 in a Population With Normal Oral Glucose Tolerance Test
Verified date | April 2019 |
Source | Vastra Gotaland Region |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this study was to obtain reference values of CGM in healthy individuals using the Dexcom G4 sensor and evaluate whether reported low glucose values by the Dexcom G4 sensor are really low when confirmed by capillary testing.
Status | Completed |
Enrollment | 60 |
Est. completion date | December 11, 2018 |
Est. primary completion date | December 11, 2018 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: 1. Normal oral glucose tolerance test 2. Normal HbA1c value 3. Age of 18 years or older Exclusion Criteria: 1. Known diabetes 2. Known prediabetes 3. Corticosteroid use during the last month 4. Planned corticosteroid use during the study 5. Pregnancy or planned pregnancy during the study period 6. Paracetamol use during the last 2 days 7. Planned paracetamol use during the study 8. Allergy to any adhesives used for CGM or clorhexidine |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Vastra Gotaland Region |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The percentage of time with low CGM values ( blood glucose <4.0 mmol/l) | Percentage of time with low CGM values, Measured by continuous glucose monitoring (CGM) (<72 mg/dL, <4.0 mmol/L) estimated on days 1-7 when participants used masked CGM. | Day 1-7 | |
Secondary | The percentage of time with low CGM values (blood glucose <3.0 mmol/l) | Measured by continuous glucose monitoring (CGM) and the percentage of time with low CGM values (<54 mg/dL, <3.0 mmol/L) evaluated on days 1-7 | Day 1-7 | |
Secondary | The difference in mean glucose levels between days 1-7 and day 8-14 | Measured by continuous glucose monitoring (CGM) between day 1-7 and 8-14 | Day 1-7 and day 8-14 | |
Secondary | The percentage of time with glucose levels in euglycaemic range (72-126 mg/dL) | Measured by continuous glucose monitoring (CGM) (72-126 mg/dL, 4-7 mmol/L) between day 1-7 and 8-14 | Day 1-14 | |
Secondary | The percentage of time with glucose levels in euglycaemic range (72-180 mg/dL) | Measured by continuous glucose monitoring (CGM) (72-180 mg/dL, 4-10 mmol/L) between day 1-7 and 8-14 | Day 1-14 | |
Secondary | The percentage of time with glucose levels in hyperglycaemic range (>198 mg/dL) | Measured by continuous glucose monitoring (CGM) with high glucose levels (>198 mg/dL, >11 mmol/L) between day 1-7 and 8-14 | Day 1-14 | |
Secondary | The percentage of time with glucose levels in hyperglycaemic range (>252 mg/dL) | Measured by continuous glucose monitoring (CGM) with high glucose (>252 mg/dL, >14 mmol/L) between day 1-7 and 8-14 | Day 1-14 | |
Secondary | The Standard Deviation (SD) | Difference in standard deviation of glucose levels measured by CGM between day 1-7 and day 8-14 | Day 1-7 and day 8-14 | |
Secondary | The evaluation of experience of the CGM, glucose monitoring systems. | Evaluation of the Dexcom G4 system from questionnaire regarding the following questions, 1. The visual analogue scale 1-100 mm. How do you experience the benefits of seeing your daily blood glucose profile with the help of CGM (continuous glucose monitoring)? The evaluation of questions of the Dexcom G4 system were expressed on a 0-100 scale with lowest value (0) equaling to Not rewarding at all and highest value (100) equaling to completely rewarding. 2. Do you consider the CGM can be a great educational tool for patients who are at risk for getting diabetes? (yes, no) 3. Can CGM give you a mindset about diet and lifestyle changes? (yes, no) 4. Can you describe your experiences using CGM? |
Week 2, day14 | |
Secondary | Difference in Mean Amplitude of Glycemic Excursions (MAGE) | Difference in mean amplitude glucose excursion (MAGE) measured by CGM between day 1-7 and 8-14 | Day 1-7, Day 8-14 | |
Secondary | Mean Absolute Relative Difference (MARD) | Mean Absolute Relative Difference (MARD) estimated from HemoCue glucose values and CGM-values from days 1-14. | Day 1-14 | |
Secondary | Mean Absolute Difference (MAD) | Measured by continuous glucose monitoring (CGM) between day 1-7 and 8-14 | Day 1-7, Day 8-14 | |
Secondary | Coefficient of Variation (CV) | Difference in coefficient of variation measured by continuous glucose monitoring (CGM) between day 1-7 and 8-14 | Day 1-7, Day 8-14 | |
Secondary | Pearson correlation coefficient | Pearson correlation coefficient estimated from HemoCue and CGM glucose values from days 8-14. | Day 8-14 |
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