Patients and Method: 160 patients (from 5 participating centres) with type 1 diabetes mellitus (DM1) candidates for improved metabolic control selected according to inclusion and exclusion criteria. The telecare system used is comprised of the patient Unit and the doctor Unit. The system allows the patient to send glucose values, insulin doses, carbohydrate contribution and other events via the internet. Both the patient and the professional can use this information via the telecare system platform.