Journal
DIABETES OBESITY & METABOLISM
Volume 13, Issue 11, Pages 1020-1027Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1463-1326.2011.01459.x
Keywords
basal insulin; basal-plus; rapid-acting insulin; type 2 diabetes mellitus
Categories
Funding
- sanofi-aventis
- Eli Lilly
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Aim: Stepwise intensification of insulin treatment to match the progressive decline of endogenous insulin secretion has been shown to be an effective management strategy in type 2 diabetes mellitus (T2DM). The efficacy of initiating and titrating a single bolus dose of insulin glulisine to baseline insulin glargine plus oral hypoglycaemic agents (OHAs) was investigated. Methods: This was a 6-month, parallel-group, randomized, open-label, Phase IV study conducted in the US, UK and Russia. People with T2DM (HbA(1c) 7.5-9.5%) using any basal insulin underwent a 3-month run-in period on insulin glargine titrated to optimize fasting blood glucose (BG) control. Those with HbA(1c) >7.0% were randomized to either continue prior therapy (n = 57) or to add a single dose of insulin glulisine (n = 49) immediately prior to the main meal for a further 3 months. Two different titration algorithms were employed for the bolus dose, targeting 2-h postprandial BG <= 135 mg/dL (<= 7.5 mmol/l; Russia and UK) or pre-meal/bedtime BG 100-120 mg/dl (5.5-6.7 mmol/l; US). Results: HbA(1c) and fasting plasma glucose levels decreased during the run-in period. In the 3 months after randomization, more participants in the basal-plus-bolus group reached HbA(1c) <7.0% than the basal-only control group (22.4 vs. 8.8%; p < 0.05), with significantly greater reduction of HbA(1c) (-0.37 vs. -0.11%; p = 0.0290). Rates of hypoglycaemia and mean weight change were comparable between the treatment groups. Conclusions: In people with T2DM inadequately controlled on basal insulin plus OHAs, adding a single injection of insulin glulisine prior to the main meal significantly improves glucose control without undesired side effects.
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