Abstract:
:The aim of this randomized double-blind study was to compare the within-subject variability of the glucose-lowering effect of a novel insulin analog, insulin detemir, with that of insulin glargine and NPH insulin in people with type 1 diabetes. Fifty-four subjects (32 males and 22 females, age 38 +/- 10 years [mean +/- SD], BMI 24 +/- 2 kg/m(2), HbA(1c) 7.5 +/- 1.2%, diabetes duration 18 +/- 9 years) participated in this parallel group comparison. Each subject received four single subcutaneous doses of 0.4 units/kg of either insulin detemir (n = 18), insulin glargine (n = 16), or human NPH insulin (n = 17) under euglycemic glucose clamp conditions (target blood glucose concentration 5.5 mmol/l) on four identical study days. The pharmacodynamic (glucose infusion rates [GIRs]) and pharmacokinetic (serum concentrations of insulin detemir, human insulin, and insulin glargine) properties of the basal insulin preparations were recorded for 24 h postdosing. Insulin detemir was associated with significantly less within-subject variability than both NPH insulin and insulin glargine, as assessed by the coefficient of variation (CV) for the pharmacodynamic end points studied [GIR-AUC((0-12 h)) 27% (detemir) vs. 59% (NPH) vs. 46% (glargine); GIR-AUC((0-24 h)) 27 vs. 68 vs. 48%; GIR(max) 23 vs. 46 vs. 36%; P < 0.001 for all comparisons]. Insulin detemir also provided less within-subject variability in the pharmacokinetic end points: maximal concentration (C(max)) 18 vs. 24 vs. 34%; INS-AUC((0- infinity )) 14 vs. 28 vs. 33%. The results suggest that insulin detemir has a significantly more predictable glucose-lowering effect than both NPH insulin and insulin glargine.
journal_name
Diabetesjournal_title
Diabetesauthors
Heise T,Nosek L,Rønn BB,Endahl L,Heinemann L,Kapitza C,Draeger Edoi
10.2337/diabetes.53.6.1614subject
Has Abstractpub_date
2004-06-01 00:00:00pages
1614-20issue
6eissn
0012-1797issn
1939-327Xpii
53/6/1614journal_volume
53pub_type
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