Primary Objective: \- To assess the effects on glycemic control of lixisenatide in comparison to placebo as an add-on treatment to basal insulin with or without metformin in terms of HbA1c reduction over a period of 24 weeks in insufficiently controlled type 2 diabetic patients. Secondary Objectives: * To assess the effects of lixisenatide over 24 weeks on : * percentage of patients reaching HbA1c\<7% or ≤6.5%, * 2-hour postprandial plasma glucose (PPG) and plasma glucose (PG) excursions during standardized meal challenge test, * fasting plasma glucose (FPG), * change in 7-point self-monitored plasma glucose (SMPG) profile), * body weight, * change in daily basal insulin dose. * To assess lixisenatide safety and tolerability. * To assess anti-lixisenatide antibody development.
Maximum study duration of approximately 35 weeks ± 9 days (up to 2 weeks screening + 8 weeks run-in + 24 weeks double-blind treatment+ 3 days follow-up)
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
447
Pharmaceutical form:solution Route of administration: subcutaneous injection
Pharmaceutical form:solution Route of administration: subcutaneous injection
Investigational Site Number 156001
Beijing, China
Investigational Site Number 156033
Beijing, China
Investigational Site Number 156006
Beijing, China
Investigational Site Number 156005
Beijing, China
Investigational Site Number 156004
Beijing, China
Investigational Site Number 156002
Change in HbA1c
Time frame: from baseline to week 24
Percentage of patients with HbA1c <7%, =<6.5%
Time frame: at week 24
Change in 2-hour postprandial plasma glucose and plasma glucose excursion
Time frame: from baseline to week 24
Change in fasting plasma glucose
Time frame: from baseline to week 24
Change in 7-point self monitoring plasma glucose profile (average and each point)
Time frame: from baseline to week 24
Change in body weight
Time frame: from baseline to week 24
Change in daily basal insulin dose
Time frame: from baseline to week 24
Number of patients with adverse events
Time frame: 24 weeks
Anti-lixisenatide antibody assessment
Time frame: from baseline to week 24
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Beijing, China
Investigational Site Number 156016
Changchun, China
Investigational Site Number 156025
Changsha, China
Investigational Site Number 156014
Chengdu, China
Investigational Site Number 156013
Chengdu, China
...and 41 more locations