Autoimmune Diabetes, Type 1 Diabetes Mellitus
Conditions
Brief summary
The objective of this study is to evaluate the therapeutic effect of metformin as additional treatment with insulin on non-obese autoimmune diabetes.
Interventions
Patients will be subscribed with 850mg metformin orally twice daily. Insulin will be continued as routine therapy.
Patients will continue insulin therapy following physicians' instructions.
Sponsors
Study design
Eligibility
Inclusion criteria
* Type 1 diabetes according to ADA criterias \<5 years. * Age≥ 18 years and less than 70 years. * Non-obese: defined as BMI less than 28 kg/m2 * Positive for at least one of the anti-islet autoantibodies: GADA, IA2A, ZnT8A * Fasting or postprandial plasma C-peptide more than 100 pmol/L * Written informed consent from the patient or family representative.
Exclusion criteria
* History of any malignancy or other severe diseases * Female patients who are pregnant or breastfeeding before or during the three-year follow-up * Poor compliance or refusal to participate.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Mean amplitude of glycemic excursions (MAGE) | 6 months | MAGE is measured by applying continuous glucose monitoring system (CGMS) on subjects in each follow-up of this 6-month study. |
| Change in C-peptide | 6 months | C-peptide are measured before and 2-hour after a mixed meal tolerance test at each follow-up of this study. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Change in body mass index (BMI) | 6 months | — |
| Change in HbA1c | 6 months | — |
| Adverse effects | 6 months | Adverse effects are recorded at each time-point of the follow-up |
| Change in lipid profiles | 6 months | Including triglyceride, total cholesterol, HDL-cholesterol and LDL-cholesterol |
| Change in daily insulin dose | 6 months | — |
Countries
China