Once-daily insulin glargine administration in the morning compared to bedtime in combination with morning glimepiride in patients with type 2 diabetes: an assessment of treatment flexibility

E Standl, S Maxeiner, S Raptis
Hormone and Metabolic Research 2006, 38 (3): 172-7

AIMS: To compare the incidence of nocturnal hypoglycemia and glycemic control following bedtime or morning insulin glargine (LANTUS; glargine) plus glimepiride.

METHODS: In this 24-week, multinational, open, randomized study, 624 patients with type 2 diabetes poorly controlled on oral therapy received morning or bedtime glargine plus morning glimepiride (2, 3 or 4 mg) titrated to a target fasting blood glucose level < or = 5.5 mmol/l.

RESULTS: The incidence of nocturnal hypoglycemia was equivalent between the two groups, with morning glargine non-inferior to bedtime (13.0 VS. 14.9 % of patients; between-treatment difference -1.9 %; one-sided 95 % confidence interval -100 %; 2.84 %). At endpoint, similar improvements in glycemic control were observed with morning compared to bedtime glargine: HbA1c: -1.65 +/- 1.21 VS. -1.57 +/- 1.16 %; p = 0.42; fasting blood glucose: -4.25 +/- 2.82 VS. -4.48 +/- 2.75 mmol/l; p = 0.08. The endpoint mean daily glargine dose was comparable (34.7 +/- 17.4 VS. 32.4 +/- 17.0 IU; p = 0.15), and there was no significant between-treatment difference in the change in body weight (2.1 VS. 1.8 kg; p = 0.39).

CONCLUSIONS: Once-daily glargine can be administered in a flexible morning or bedtime regimen (plus morning glimepiride) to achieve good glycemic control without any difference in hypoglycemia.

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