None (Healthy Individuals)
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Healthy volunteers aged 18 years or older who respond to recruitment advertisements, are able to undergo blood sampling, questionnaires, isCGM placement, and body composition analysis, and who provide written informed consent after adequate explanation.
Exclusion criteria
Exclusion criteria: Individuals with diagnosed diabetes or impaired glucose tolerance, those receiving oral steroid therapy, those with significant internal medical disorders, those who are pregnant or breastfeeding, and those deemed inappropriate by the investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| To evaluate the percentage of time spent in each CGM-derived metric: Time in Range (TIR), Time in Tight Range (TITR), Time Above Range (TAR), and Time Below Range (TBR) in individuals with normal glucose tolerance, and to determine their reference values and distribution. | — |
Secondary
| Measure | Time frame |
|---|---|
| To calculate CGM metrics including TBR, TIR, TAR, MARD, GMI, SD, %CV, and MAGE. If necessary, participants will be classified into normal glucose tolerance, impaired glucose tolerance, and diabetes groups based on blood test results, and the percentage of time spent in TIR, TITR, TAR, and TBR will be calculated and compared among these groups. | — |
Countries
Japan
Contacts
Nagasaki university hospital Endocrinology and Metabolism