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- Title
Commencing insulin glargine 100 U/mL therapy in individuals with type 2 diabetes: Determinants of achievement of HbA1c goal less than 7.0%.
- Authors
Owens, David R.; Landgraf, Wolfgang; Frier, Brian M.; Zhang, Mei; Home, Philip D.; Meneghini, Luigi; Bolli, Geremia B.
- Abstract
Aims: To identify factors associated with achievement of glycated haemoglobin A1c (HbA1c) target at 24 weeks after commencing basal insulin therapy in individuals with type 2 diabetes mellitus (T2DM). Materials and methods: Post‐hoc pooled analysis of 16 randomized, treat‐to‐target trials involving individuals with T2DM inadequately controlled with oral anti‐hyperglycaemic drugs (n = 3415) initiated on once‐daily insulin glargine 100 U/mL (Gla‐100). Clinical outcomes were assessed by HbA1c response at 24 weeks and individuals were classified as "good responders" with HbA1c <7.0% (<53 mmol/mol) or as "poor responders" with HbA1c ≥7.0% (≥53 mmol/mol). Univariable and multivariable stepwise logistic regression analyses were performed to identify predictive factors for attaining HbA1c <7.0%. Results: Lower levels of baseline HbA1c, fasting plasma glucose (FPG) and post‐prandial plasma glucose (PPG), higher body mass index (BMI), shorter diabetes duration and male sex were associated with a good glycaemic response, but not age or baseline C‐peptide levels. Gla‐100 dose (U/kg) was highest in the poor‐responder group, which had the fewest hypoglycaemia episodes. Univariable analysis for achievement of HbA1c <7.0% confirmed these observations. Multivariable analysis retained baseline HbA1c, body weight, BMI, sex, 2‐hours PPG and diabetes duration as predictors of a good response. Continued use of sulfonylureas, hypoglycaemia and change in body weight were indicative of poor response. Conclusions: Baseline HbA1c was the strongest determinant for achieving target HbA1c <7.0% by supplementary Gla‐100 therapy, while sex and BMI were also useful indicators. However, age and C‐peptide levels at baseline did not predict glycaemic response to the introduction of basal insulin.
- Subjects
INSULIN therapy; TYPE 2 diabetes; PEOPLE with diabetes; DRUG therapy; GLYCEMIC control
- Publication
Diabetes, Obesity & Metabolism, 2019, Vol 21, Issue 2, p321
- ISSN
1462-8902
- Publication type
Article
- DOI
10.1111/dom.13607