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| Methods | Multicentre, double‐blind, placebo‐controlled trial |
| Participants | Participants with type 2 diabetes inadequately controlled (HbA1c 7.5%‐11.0%) on stable therapy with long‐acting, intermediate‐acting or premixed insulin, with or without concomitant metformin |
| Interventions | Vildagliptin 50 mg twice a day (n = 146) or placebo (n = 147) |
| Outcomes | HbA1c, fasting blood glucose, BMI |
| Notes | Need to determine if subgroup analysis with insulin monotherapy is possible |
