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Insulin glargine versus sitagliptin in insulin-naive patients with type 2 diabetes mellitus uncontrolled on metformin (EASIE): a multicentre, randomised open-label trial

Aschner, Pablo, Chan, Juliana, Owens, David Raymond, Picard, Sylvie, Wang, Edward, Dain, Marie-Paule, Pilorget, Valérie, Echtay, Akram and Fonseca, Vivian 2012. Insulin glargine versus sitagliptin in insulin-naive patients with type 2 diabetes mellitus uncontrolled on metformin (EASIE): a multicentre, randomised open-label trial. The Lancet 379 (9833) , pp. 2262-2269. 10.1016/S0140-6736(12)60439-5

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Abstract

Background In people with type 2 diabetes, a dipeptidyl peptidase-4 (DPP-4) inhibitor is one choice as second-line treatment after metformin, with basal insulin recommended as an alternative. We aimed to compare the efficacy, tolerability, and safety of insulin glargine and sitagliptin, a DPP-4 inhibitor, in patients whose disease was uncontrolled with metformin. Methods In this comparative, parallel, randomised, open-label trial, metformin-treated people aged 35–70 years with glycated haemoglobin A1c (HbA1c) of 7–11%, diagnosis of type 2 diabetes for at least 6 months, and body-mass index of 25–45 kg/m2 were recruited from 17 countries. Participants were randomly assigned (1:1) to 24-week treatment with insulin glargine (titrated from an initial subcutaneous dose of 0·2 units per kg bodyweight to attain fasting plasma glucose of 4·0–5·5 mmol/L) or sitagliptin (oral dose of 100 mg daily). Randomisation (via a central interactive voice response system) was by random sequence generation and was stratified by centre. Patients and investigators were not masked to treatment assignment. The primary outcome was change in HbA1c from baseline to study end. Efficacy analysis included all randomly assigned participants who had received at least one dose of study drug and had at least one on-treatment assessment of any primary or secondary efficacy variable. This trial is registered at ClinicalTrials.gov, NCT00751114. Findings 732 people were screened and 515 were randomly assigned to insulin glargine (n=250) or sitagliptin (n=265). At study end, adjusted mean reduction in HbA1c was greater for patients on insulin glargine (n=227; −1·72%, SE 0·06) than for those on sitagliptin (n=253; −1·13%, SE 0·06) with a mean difference of −0·59% (95% CI −0·77 to −0·42, p<0·0001). The estimated rate of all symptomatic hypoglycaemic episodes was greater with insulin glargine than with sitagliptin (4·21 [SE 0·54] vs 0·50 [SE 0·09] events per patient-year; p<0·0001). Severe hypoglycaemia occurred in only three (1%) patients on insulin glargine and one (<1%) on sitagliptin. 15 (6%) of patients on insulin glargine versus eight (3%) on sitagliptin had at least one serious treatment-emergent adverse event. Interpretation Our results support the option of addition of basal insulin in patients with type 2 diabetes inadequately controlled by metformin. Long-term benefits might be expected from the achievement of optimum glycaemic control early in the course of the disease. Funding Sanofi.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Systems Immunity Research Institute (SIURI)
Subjects: R Medicine > R Medicine (General)
Publisher: Elsevier
ISSN: 0140-6736
Last Modified: 04 Jun 2017 04:35
URI: http://orca.cf.ac.uk/id/eprint/41326

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