• Absolute HbA1c differences (M0-M6) [ Time Frame: inclusion and M6 ] [ Designated as safety issue: No ]
• HbA1c changes at M0, M3 and M6 [ Time Frame: inclusion, M3 and M6 ] [ Designated as safety issue: No ]
• Percentage of patients reaching HbA1c <7.5% at 6 months [ Time Frame: 6 months ] [ Designated as safety issue: No ]
• Mean of blood glucose values as provided by glucose meters during the 14 days prior to inclusion and prior to the 6 months-visit [ Time Frame: 14 days prior to inclusion and prior to M6 ] [ Designated as safety issue: No ]
• Frequency of severe hypoglycaemic episodes and ketoacidosis episodes during the study period [ Time Frame: study period ] [ Designated as safety issue: Yes ]
• Frequency of symptomatic benign hypoglycaemic episodes during the week prior to inclusion and prior to the 6 months-visit [ Time Frame: week before inclusion and prior to M6 ] [ Designated as safety issue: Yes ]
• 8-point blood glucose profiles at inclusion and 6 months [ Time Frame: inclusion and M6 ] [ Designated as safety issue: No ]
• Quality of life at inclusion and 6 months, using the DHP scale and the Satisfaction item of the DQOL questionnaire [ Time Frame: inclusion and M6 ] [ Designated as safety issue: No ]
• Improvement in diabetes care, as assessed by the change in blood glucose testing frequency, reflected by the glucose meter memory [ Time Frame: study period ] [ Designated as safety issue: Yes ]
• Time spent by physicians with patients during visits (either face to face visits or phone call visits) and time spent by patients during transport, waiting time and lost working time [ Time Frame: study period ] [ Designated as safety issue: No ]
• Satisfaction of patients and physicians with the system and willingness to carry on the use of the system in routine care [ Time Frame: 6 months ] [ Designated as safety issue: No ]
• Effective number of patients carrying on the use of the system in routine care, at their own expense and in agreement with their physician [ Time Frame: 6 months ] [ Designated as safety issue: No ]

TELEDIAB-1 is a national, multicenter, controlled, randomised trial. The Primary objective of the TELEDIAB-1 study is to demonstrate that the PDA-FIT system (PDA-Phone and/or telemonitoring) is able to improve metabolic control of chronically uncontrolled type 1 diabetic patients, despite intensive insulin therapy (multiple daily injections with basal-bolus insulin or insulin pump), as compared with conventional care. Main judgment criteria: comparison of HbA1c means between the 3 groups at 6 months

Secondary Objectives :

1. To assess the improvement of blood glucose control and quality of life in patients using the PDA-FIT system
2. To assess the improvement in diabetes care provided by the use of the PDA-FIT system
3. Satisfaction of patients and physicians towards the PDA-FIT system

• Device: placebo
• Device: VISITS + PDA-FIT system
• Device: PDA-FIT System + telephone follow-up

• Placebo Comparator: standard visit at 3 and 6 months
• Active Comparator: PDA-FIT system + standard visit at 3 and 6 months
• Active Comparator: PDA-FIT system + 12 telephone visits + standard visit at 6 months

Inclusion Criteria:

• type 1 diabetes mellitus for ≥ 12 months or more (including C-peptide negative secondary diabetes)
• age > 18 y.o.
• intensive insulin basal-bolus therapy for ≥ 6 months. At inclusion, patients should be treated, either with a combination of a basal, long-acting insulin and insulin rapid analog before each meal, or with rapid insulin analog delivered with a pump
• chronically uncontrolled diabetes with HbA1c ≥ 8 % during the past 12 months and at inclusion

Exclusion Criteria:

• patient with unstable associated evolutive pathology
• patient who need a more frequent diabetic follow up (than in the protocol)
• patient with a education teaching within the 3 months before inclusion
• patient with a hemoglobinopathy
• patient with toxicomania, alcoholism or psychological troubles
• type 2 diabetes patients
• patient who don't need strict metabolic objectives
• pregnant or parturient women
• person with no freedom (prisoner)