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Aims To confirm superiority on glycaemic control by switching from sitagliptin to liraglutide 1.8 mg/d versus continued sitagliptin. Materials and methods A randomized, multicentre, double-blind, double-dummy, active-controlled trial across 86 office- or hospital-based sites in North America, Europe and Asia. Subjects with type 2 diabetes who had inadequate glycaemic control (glycated haemoglobin [ HbA1c] 7.5−9.5% on sitagliptin (100 mg/d) and metformin (≥1500 mg daily) for ≥90 days were randomized to either switch to liraglutide (n = 203) or continue sitagliptin (n = 204), both with metformin. The primary endpoint was change in HbA1c from baseline to week 26. Change in body weight was a confirmatory secondary endpoint. Results Greater reduction in mean HbA1c was achieved with liraglutide than with continued sitagliptin [−1.14% vs. −0.54%; estimated mean treatment difference ( ETD): −0.61% (95% CI −0.82 to −0.40; p < 0.0001)], confirming superiority of switching to liraglutide. Body weight was reduced more with liraglutide [−3.31 kg vs. −1.64 kg; ETD: −1.67 kg (95% CI −2.34 to −0.99; p < 0.0001)]. Nausea was more common with liraglutide [44 subjects (21.8%)] than with continued sitagliptin [16 (7.8%)]. Three subjects (1.5%) taking sitagliptin reported a confirmed hypoglycaemic episode. Conclusions Subjects insufficiently controlled with sitagliptin who switch to liraglutide can obtain clinically relevant reductions in glycaemia and body weight, without compromising safety. A switch from sitagliptin to liraglutide provides an option for improved management of type 2 diabetes while still allowing patients to remain on dual therapy. [ABSTRACT FROM AUTHOR]

Aims To compare, in a double-blind, randomized, multi-national study, 52- or 78-week treatment with basal insulin peglispro or insulin glargine, added to pre-study oral antihyperglycaemic medications, in insulin-naïve adults with type 2 diabetes. Material and methods The primary outcome was non-inferiority of peglispro to glargine with regard to glycated haemoglobin ( HbA1c) reduction (margin = 0.4%). Six gated secondary objectives with statistical multiplicity adjustments focused on other measures of glycaemic control and safety. Liver fat content was measured using MRI, in a subset of patients. Results Peglispro was non-inferior to glargine in HbA1c reduction [least-squares ( LS) mean difference: −0.29%, 95% confidence interval ( CI) −0.40, −0.19], and had a lower nocturnal hypoglycaemia rate [relative rate 0.74 (95% CI 0.60, 0.91); p = .005), more patients achieving HbA1c <7.0% without nocturnal hypoglycaemia [odds ratio ( OR) 2.15 (95% CI 1.60, 2.89); p < .001], greater HbA1c reduction (p < .001), and more patients achieving HbA1c<7.0% [ OR 1.97 (95% CI 1.57, 2.47); p < .001]. Total hypoglycaemia rate and fasting serum glucose did not achieve statistical superiority. At 52 weeks, peglispro-treated patients had higher triglyceride (1.9 vs 1.7 mmol/L). alanine transaminase (34 vs 27 IU/ L), and aspartate transaminase levels (27 vs 24 IU/ L). LS mean liver fat content was unchanged with peglispro at 52 weeks but decreased 3.1% with glargine [difference: 2.6% (0.9, 4.2); p = .002]. More peglispro-treated patients experienced adverse injection site reactions (3.5% vs 0.6%, p < .001). Conclusions Compared with glargine at 52 weeks, peglispro resulted in a statistically superior reduction in HbA1c, more patients achieving HbA1c targets, less nocturnal hypoglycaemia, no improvement in total hypoglycaemia, higher triglyceride levels, higher aminotransferase levels, and more injection site reactions. [ABSTRACT FROM AUTHOR]