Diabetes mellitus type 2 Nutritional, Metabolic, Endocrine Non-insulin-dependent diabetes mellitus
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Type 2 diabetes mellitus patients 2. Body mass index (BMI) > 30 kg/m2 (but weight has to be greater than 90 kg to sustain a 16 week VLCD) 3. Age > 30 years 4. Use of at least 30 units of insulin/day with or without oral blood glucose lowering agents 5. Fasting c-peptide level > 0.8 ng/l and a two times rise on 1 mg glucagon (intravenous) IV
Exclusion criteria
Exclusion criteria: 1. No residual insulin secretory capacity as defined by no response to a glucagon stimulation test 2. Weight above 130 kg and fasting plasma glucose >15 mmol/l 3. Any significant chronic disease 4. Renal, hepatic or another endocrine disease 5. Use of medication known to influence lipolysis and/or glucose metabolism 6. Recent weight changes or attempts to lose weight ( > 3 kg weight gain or loss, within the last 3 months) 7. Difficulties to insert an intravenous catheter 8. Smoking 9. Severe claustrophobia (ventilated hood) 10. Recent blood donation (within the last 3 months) 11. Recent participation in other research projects (within the last 3 months), participation in 2 or more projects in one year 12. Pregnancy 13. Disease interfering with the use of a thiazolidinediones (TZD) (heart failure, oedema, liver function abnormalities) or participating in regular exercise
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Insulin sensitivity (as measured by hyperinsulinaemic euglycemic clamp) 2. Insulin signalling (measured in muscle biopsies) 3. Mitochondrial copy number (measured in muscle biopsies) 4. Low grade inflammation (measured in fasting blood samples) 5. Quality of Life (as measured by four different QoL questionnaires) 6. Ectopic fat depositions (as measured by magnetic resonance proton spectroscopy) | — |
Secondary
| Measure | Time frame |
|---|---|
| Long-term effects | — |
Countries
Netherlands