About this trial
The investigators will measure blood levels of 1,5-anhydroglucitol in children with type 1 diabetes and correlate them with parameters related to functional beta-cell mass in diabetic patients. The values will be compared to those obtained in healthy volunteers. Children with newly diagnosed diabetes as well as children with longstanding disease will be included. The aim of the study is to test the validity of 1,5-anhydroglucitol as a novel biomarker of beta-cell mass and function in type 1 diabetes.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Type 1 diabetes with positive autoantibodies against islets, insulin, islet antigen 2 (IA2), glutamic acid decarboxylase (GAD) 65 or zinc transporter (ZnT)8.
Treatment with continuous subcutaneous insulin infusion (CSII) with or without automated insulin delivery (AID).
Monitoring with a continuous glucose measurement system (CGMS) or flash glucose monitor (FGM).
Patient willing to keep the same type of CGMS or FGM during the year of observation
Disqualifiers
Patients treated with multiple daily injections (MDI) or not willing to wear a CGMS of FGM
Patients changing the type of CGMS during the course of the study.
Trial population
Among children with type 1 diabetes, aged 2 to 18 years: 15 newly diagnosed patients and 15 age- and sex-matched controls. 5 patients with a diabetes duration of 3 (36 - 47 months), 5 patients with a disease duration of 5 (60 - 71 months) and 5 patients with a disease duration of 10 years (120 - 131 months) and 15 corresponding age- and sex-matched controls.
Trial design
Case-control
Prospective
Treatments tested in this trial
Measurement of blood levels of 1,5-anhydroglucitol
Other interventionMeasurement of blood levels of 1,5-anhydroglucitol
Treatment groups
Trial outcomes
Primary outcomes
Correlation of 1,5-anhydroglucitol levels in newly diagnosed patients with indirect markers of beta-cell function and mass
Blood levels of 1,5-anhydroglucitol will be correlated with indirect markers of beta-cell function at different moments after diagnosis
Correlation of 1,5-anhydroglucitol levels in newly diagnosed patients with indirect markers of beta-cell function and mass
Blood levels of 1,5-anhydroglucitol will be correlated with indirect markers of beta-cell function at different moments after diagnosis
Correlation of 1,5-anhydroglucitol levels in newly diagnosed patients with indirect markers of beta-cell function and mass
Blood levels of 1,5-anhydroglucitol will be correlated with indirect markers of beta-cell function at different moments after diagnosis
Correlation of 1,5-anhydroglucitol levels in patients with longstanding disease with indirect markers of beta-cell function and mass
Blood levels of 1,5-anhydroglucitol will be correlated with indirect markers of beta-cell function in patients with different disease duration
Sponsors and contacts
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University Hospital, Geneva
Lead sponsor
University of Geneva, Switzerland
Collaborator