Improvement of HbA1c and Blood Glucose Stability in IDDM Patients Treated With Lispro Insulin Analog in External Pumps
1998
OBJECTIVE To compare the efficacy of the short-acting insulin analog lispro (LP) with that of regular insulin in IDDM patients treated with an external pump. RESEARCH DESIGN AND METHODS Thirty-nine IDDM patients (age, 39.4 ± 1.5 years; sex ratio, 22M/17W; BMI, 24.4 ± 0.4 kg/m 2 ; diabetes duration, 22.5 ± 1.6 years) who were treated by external pump for 5.1 ± 0.5 years were involved in an open-label, randomized, crossover multicenter study comparing two periods of 3 months of continuous subcutaneous insulin infusion with LP or with Actrapid HM, U-100 (ACT). Boluses were given 0–5 min (LP) or 20–30 min (ACT) before meals. Blood glucose (BG) was monitored before and after the three meals every day. RESULTS The decrease in HbA 1c was more pronounced with LP than with ACT (−0.62 ± 0.13 vs. −0.09 ± 0.15%, P = 0.01). BG levels were lower with LP (7.93 ± 0.15 vs. 8.61 ± 0.18 mmol/l, P P P = 0.0001) and of postprandial BG values (3.58 ± 0.10 vs. 3.84 ± 0.10 mmol/l. P P CONCLUSIONS When used in external pumps, LP provides better glycemic control and stability than regular insulin and does not increase the frequency of hypoglycemic episodes.
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