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Lookup NU author(s): Emeritus Professor Philip Home
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OBJECTIVE - ]Insulin detemir is a soluble long-acting basal insulin analog designed to overcome the limitations of conventional basal insulin formulations. Accordingly, insulin detemir has been compared with NPH insulin with respect to glycemic control (HbA1c, prebreakfast glucose levels and variability, and hypoglycemia) and timing of administration. RESEARCH DESIGN AND METHODS - People with type 1 diabetes (n = 408) were randomized in an open-label, parallel-group trial of 16-week treatment duration using either insulin detemir or NPH insulin. Insulin detemir was administered twice daily using two different regimens, either before breakfast and at bedtime (IDet morn+bed) or at a 12-h interval (IDet12h). NPH insulin was administered before breakfast and at bedtime. Mealtime insulin was given as the rapid-acting insulin analog insulin aspart. RESULTS - With both insulin detemir groups, clinic fasting plasma glucose was lower than with NPH insulin (IDet12h vs. NPH, -1.5 mmol/l [95% CI -2.51 to -0.48], P = 0.004; IDetmorn+bed vs. NPH, -2.3 mmol/l (-3.32 to -1.29), P < 0.001), as was self-measured prebreakfast plasma glucose (P = 0.006 and P = 0.004, respectively). The risk of minor hypoglycemia was lower in both insulin detemir groups (25%, P = 0.046; 32%, P = 0.002; respectively) compared with NPH insulin in the last 12 weeks of treatment, this being mainly attributable to a 53% reduction in nocturnal hypoglycemia in the IDetmorn+bed group (P < 0.001). Although HbA1c for each insulin detemir group was not different from the NPH group, HbA1c for the pooled insulin detemir groups was significantly lower than for the NPH group (mean difference -0.18% [-0.34 to -0.021, P = 0.027). Within-person between-day variation in self-measured prebreakfast plasma glucose was lower for both detemir groups (both P < 0.001). The NPH group gained weight during the study, but there was no change in weight in either of the insulin detemir groups (IDet 12h vs. NPH, -0.8 kg [-1.44 to -0.24], P = 0.006; IDet morn+bed vs. NPH, -0.6 kg [-1.23 to -0.03], P = 0.040). CONCLUSIONS - Overall glycemic control with insulin detemir was improved compared with NPH insulin. The data provide a basis for tailoring the timing of administration of insulin detemir to the individual person's needs.
Author(s): Home P, Bartley P, Russell-Jones D, Hanaire-Broutin H, Heeg J-E, Abrams P, Landin-Olsson M, Hylleberg B, Lang H, Draeger E
Publication type: Article
Publication status: Published
Journal: Diabetes Care
ISSN (print): 0149-5992
ISSN (electronic): 1935-5548
Publisher: American Diabetes Association
PubMed id: 15111525
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