Randomized Cross-Over Trial of Insulin Glargine Plus Lispro or NPH Insulin Plus Regular Human Insulin in Adolescents With Type 1 Diabetes on Intensive Insulin Regimens

Diabetes Care - Tập 26 Số 3 - Trang 799-804 - 2003
Nuala Murphy1, S Keane2, Ken K. Ong1, Martha Ford‐Adams1, Julie Edge2, Carlo L. Acerini1, David B. Dunger1
1Department of Paediatrics, Addenbrooke's Hospital, University of Cambridge, Cambridge, U.K.
2Department of Paediatrics, John Radcliffe Hospital, University of Oxford, Oxford, U.K.

Tóm tắt

OBJECTIVE—To compare blood glucose control and incidence of nocturnal hypoglycemia in adolescents with type 1 diabetes on multiple injection regimens managed with either an insulin analog combination or NPH insulin plus regular human insulin. RESEARCH DESIGN AND METHODS—In a randomized cross-over study, 28 adolescents with type 1 diabetes on multiple injection therapy received either insulin glargine prebedtime plus lispro preprandially (LIS/GLAR) or NPH insulin prebedtime plus regular human insulin preprandially (R/NPH). During each 16-week treatment arm, subjects completed home blood glucose profiles, and at the end of each treatment arm, they were admitted for an overnight metabolic profile. A total of 25 subjects completed the study. RESULTS—Compared with R/NPH therapy, LIS/GLAR was associated with lower mean blood glucose levels (LIS/GLAR versus R/NPH): fasting (8.0 vs. 9.2 mmol/l, P < 0.0001), 2 h postbreakfast (8.1 vs. 10.7 mmol/l, P < 0.0005), prelunch (8.9 vs. 10.1 mmol/l, P < 0.01), and 2 h postlunch (8.0 vs. 9.5 mmol/l, P < 0.002). However, there was no difference in mean blood glucose levels before or after the evening meal. Incidence of nocturnal hypoglycemia on overnight profiles was 43% lower on LIS/GLAR compared with R/NPH therapy; however, there was no difference in rates of self-reported symptomatic hypoglycemia. Total insulin dose required to achieve target blood glucose control was lower on LIS/GLAR (1.16 IU/kg) compared with R/NPH therapy (1.26 IU/kg, P < 0.005), but there was no significant difference in HbA1c levels (LIS/GLAR versus R/NPH: 8.7 vs. 9.1%, P = 0.13). CONCLUSIONS—Combination therapy with insulin glargine plus lispro reduced the incidence of nocturnal hypoglycemia and was at least as effective as R/NPH insulin therapy in maintaining glycemic control in adolescents on multiple injection regimens.

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