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To evaluate whether administration of long-acting basal insulin analogue plus oral antidiabetic drugs (OADs) improves glycaemic control in type 2 diabetic patients with glycosylated haemoglobin (HbA1c) > 7% (53 mmol/mol) under premixed insulin therapy. This is a multicentre, observational, retrospective study performed in type 2 diabetic patients switching from premixed insulin to long-acting basal insulin analogue plus OADs. Data on patients' medical history and assessments were retrieved from patients' medical charts prior to switching the treatment and 6 months thereafter. A total of 131 evaluable patients were enrolled (mean age, 68.2 ± 9.4 years; female, 65.6%; mean diabetes duration, 12.7 ± 6.9 years; mean time on insulin therapy, 53.2 ± 41.9 months). Patients were receiving premixed insulin (once-daily, 4.7%; twice-daily, 85.0%; thrice-daily, 10.2%), 82.4% of whom in combination with OADs (metformin, 79.4%). After the treatment was switched, only 14.5% required intensification of treatment with additional preprandial insulin. HbA1c decreased -1.4% [mean ± SD, 8.4 ± 1.0% (68.7 ± 11.4 mmol/mol) vs. 7.0 ± 1.0% (53.6 ± 10.9 mmol/mol), p < 0.001] and the proportion of patients achieving HbA1c < 7% (53 mmol/mol) increased to 52.7% (p < 0.001). The percentage of patients with hypoglycaemia decreased (19.2% vs. 10.8%, p < 0.05; symptomatic, 17.6% vs. 4.6%, p < 0.01) and body weight diminished by -1.9 kg (mean ± SD, 78.5 ± 14.7 kg vs. 76.6 ± 13.9 kg, p < 0.05). Basal insulin plus OADs was considered more convenient and flexibly adapted to patients' life in 98.4% and 99.2% of patients, respectively. Additionally, 96.9% of patients reported being more satisfied and 96.9% would recommend it. Switching the treatment from premixed insulin to long-acting basal insulin analogue plus OADs is a feasible and convenient approach to improve glycaemic control of type 2 diabetic patients poorly controlled with premixed insulin under routine clinical practice conditions. © 2012 Blackwell Publishing Ltd.


F Gómez-Peralta, F Carramiñana-Barrera, F J Félix-Redondo, J Fraile-Gómez, Extreme Rescue Study Group. Glycaemic control in patients with type 2 diabetes switching from premixed insulin to long-acting basal insulin analogue plus oral antidiabetic drugs: an observational study. International journal of clinical practice. 2012 Oct;66(10):959-68

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PMID: 22994330

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