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New insulin glargine 300 U/ml compared with glargine 100 U/ml in insulin-naive people with type 2 diabetes on oral glucose-lowering drugs: a randomized controlled trial (EDITION 3)

Lookup NU author(s): Emeritus Professor Philip Home


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Aims: To compare the efficacy and safety of new insulin glargine 300 U/ml (Gla-300) with that of glargine 100 U/ml (Gla-100) in insulin-naive people with type 2 diabetes using oral glucose-lowering drugs.Methods: The EDITION 3 study was a multicentre, open-label, parallel-group study. Participants were randomized to Gla-300 or Gla-100 once daily for 6 months, discontinuing sulphonylureas and glinides, with a dose titration aimed at achieving pre-breakfast plasma glucose concentrations of 4.4-5.6 mmol/l (80-100mg/dl). The primary endpoint was change in glycated haemoglobin (HbA1c) from baseline to month 6. The main secondary endpoint was percentage of participants with >= 1 nocturnal confirmed [<= 3.9 mmol/l (<= 70 mg/dl)] or severe hypoglycaemia from week 9 to month 6. Other measures of glycaemia and hypoglycaemia, weight change and insulin dose were assessed.Results: Randomized participants (n=878) had a mean (standard deviation) age of 57.7 (10.1) years, diabetes duration 9.8 (6.4) years, body mass index 33.0 (6.7) kg/m(2) and HbA1c 8.54 (1.06)% [69.8 (11.6) mmol/mol]. HbA1c levels decreased by equivalent amounts with the two treatments; the least squares mean difference in change from baseline was 0.04 [95% confidence interval (CI) -0.09 to 0.17]% or 0.4 (-1.0 to 1.9) mmol/mol. Numerically fewer participants reported >= 1 nocturnal confirmed (<= 3.9 mmol/l) or severe hypoglycaemia from week 9 to month 6 [relative risk (RR) 0.89 (95% CI 0.66 to 1.20)] with Gla-300 versus Gla-100; a significantly lower risk of hypoglycaemia with this definition was found over the 6-month treatment period [RR 0.76 (95% CI 0.59 to 0.99)]. No between-treatment differences in adverse events were identified.Conclusions: Gla-300 is as effective as Gla-100 in reducing HbA1c in insulin-naive people with type 2 diabetes, with lower hypoglycaemia risk.

Publication metadata

Author(s): Bolli GB, Riddle MC, Bergenstal RM, Ziemen M, Sestakauskas K, Goyeau H, Home PD, Edition 3 Study Investigators

Publication type: Article

Publication status: Published

Journal: Diabetes, Obesity and Metabolism

Year: 2015

Volume: 17

Issue: 4

Pages: 386-394

Print publication date: 01/04/2015

Online publication date: 12/02/2015

Acceptance date: 10/02/2015

ISSN (print): 1462-8902

ISSN (electronic): 1463-1326

Publisher: Wiley-Blackwell Publishing Ltd.


DOI: 10.1111/dom.12438


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