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Curr Med Res Opin. 2010 May;26(5):1013-22. doi: 10.1185/03007991003672551.

Efficacy and safety of the once-daily human GLP-1 analogue, liraglutide, vs glibenclamide monotherapy in Japanese patients with type 2 diabetes.

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Kansai Electric Power Hospital, Osaka, Japan.



Liraglutide is a once-daily human glucagon-like peptide-1 (GLP-1) analogue developed for the treatment of type 2 diabetes mellitus (T2DM). In Phase 2 and Phase 3 trials, largely conducted in populations of European descent, liraglutide has been shown to lower HbA(1C), weight and systolic blood pressure with a low risk of hypoglycaemia. This Phase 3, 24-week, multi-centre, double-blind, double dummy, randomised parallel-group trial compared the efficacy and safety of liraglutide and glibenclamide monotherapy in Japanese subjects with T2DM, inadequately controlled with diet therapy or oral antidiabetic drug (OAD) monotherapy.


A total of 411 Japanese subjects were randomised 2:1 to liraglutide (n = 272) or glibenclamide (n = 139). Liraglutide was administered at a maximum planned dose of 0.9 mg once daily. Glibenclamide was administered once or twice daily at a planned maximum dose of 2.5 mg/day, before or after meals.




After 24 weeks, glycaemic control with liraglutide was non-inferior/superior to glibenclamide, with HbA(1C) at 24 weeks of 6.99% (SE +/- 0.07) with liraglutide and 7.50% (+/-0.09) with glibenclamide (difference, -0.5%; 95% CI -0.70 to 0.30; p < 0.0001). Mean fasting plasma glucose (FPG) levels at 24 weeks were significantly lower with liraglutide (7.6 mmol/l [SE +/- 0.1]) vs glibenclamide (8.3 mmol/l [+/-0.1]; difference, -0.72 mmol/l; 95% CI -1.0 to -0.4; p < 0.0001). Weight was reduced by -0.92 kg from a baseline of 65.2 kg in liraglutide-treated patients, compared with weight gain of +0.99 kg from a baseline of 64.8 kg with glibenclamide (difference, -1.91 kg; 95% CI -2.34 to -1.48; p < 0.0001). A significantly lower rate of minor hypoglycaemic episodes was achieved with liraglutide compared with glibenclamide (p < 0.0001), and no major hypoglycaemic episodes were reported in either treatment group. The most common gastrointestinal AEs were diarrhoea (liraglutide, 6.3%; glibenclamide, 3.8%) and constipation (liraglutide, 5.6%; glibenclamide, 3.8%). Nausea was infrequent (liraglutide, 4.5%; glibenclamide, 1.5%).


Liraglutide monotherapy, administered once daily for 24 weeks in Japanese subjects with T2DM, was well tolerated. Compared with glibenclamide monotherapy, liraglutide achieved superior glycaemic control and weight outcome, and a significantly lower incidence of hypoglycaemia. Future studies, comprising a greater proportion of true therapy-naïve Japanese patients, will be beneficial in order to establish the true add-on efficacy of liraglutide monotherapy in patients with T2DM.

[Indexed for MEDLINE]

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