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Durable Effects of iGlarLixi Up to 52 Weeks in Type 2 Diabetes: The LixiLan-G Extension Study

posted on 29.01.2021, 19:00 by Lawrence Blonde, Julio Rosenstock, Juan Frias, Andreas L. Birkenfeld, Elisabeth Niemoeller, Elisabeth Souhami, Chen Ji, Stefano Del Prato, Vanita R. Aroda

In the LixiLan-G trial, switching to iGlarLixi, a once-daily titratable fixed-ratio combination of insulin glargine 100 units/mL and the glucagon-like peptide-1 receptor agonist (GLP-1 RA) lixisenatide, improved glucose control in type 2 diabetes (T2D) uncontrolled with GLP-1 RAs over 26 weeks versus continuing prior GLP-1 RA. A prespecified, 26-week, single-arm extension of LixiLan-G aimed to determine the durability of iGlarLixi efficacy and safety over 52 weeks.

Research Design and Methods

Participants with T2D uncontrolled by GLP-1 RAs (HbA1c 7–9 % [53–75 mmol/mol]) were initially randomized to switch to iGlarLixi or continue prior GLP-1 RA. Those randomized to iGlarLixi who completed the 26-week primary endpoint period could continue iGlarLixi open-label treatment over a 26-week extension to assess durability of efficacy and safety.


Glycemic control achieved with iGlarLixi at week 26 (mean HbA1c 6.7 % [50 mmol/mol]) was maintained at week 52 (mean HbA1c 6.7 % [50 mmol/mol]; mean ± standard deviation change from baseline at week 52: −1.0 ± 0.9 % [11 ± 10 mmol/mol]). Proportions of participants reaching HbA1c <7 % (53 mmol/mol) with iGlarLixi were similar at week 26 (62%) and 52 (64%), as were those reaching this target without documented symptomatic (<3.0 mmol/L) hypoglycemia (57% and 58%). Safety of iGlarLixi was similar at weeks 26 and 52, with low rates of documented symptomatic hypoglycemia and gastrointestinal events.


The efficacy and safety of iGlarLixi at the end of the 26-week randomized treatment period was maintained over the 26-week extension period in the LixiLan-G trial.


The study was funded by Sanofi. Medical writing and editorial assistance was provided by Fishawack Communications Ltd, UK, a Fishawack Health company, funded by Sanofi.