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Diabetes Nutr Metab. 2001 Jun;14(3):133-9.

Lispro insulin in type 1 diabetic patients on a Mediterranean or normal diet: a randomized, cross-over comparative study with regular insulin.

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Diabetic Clinic, Pugliese Hospital, Catanzaro, Italy.


Lispro (LP) and regular human (HR) insulins were compared in Type 1 diabetic (T1DM) patients on either a Mediterranean diet or normal diet. Twelve T1DM patients were recruited and randomized into two groups of 6, groups A and B. They were treated in different sequences (in 3-month intervals for 1 year). Group A: LP insulin and normal diet, LP insulin and Mediterranean diet, regular insulin and Mediterranean diet, regular insulin and normal diet. Group B: regular insulin and normal diet, regular insulin and Mediterranean diet, LP insulin and Mediterranean diet, LP insulin and normal diet. Each patient was treated with rapid acting insulin, either LP insulin or HR insulin, before each main meal and a dose of slow acting insulin at bedtime. Every 15 days the glycemic control, the incidence and frequency of hypoglycemic episodes, and any adverse events were evaluated. Every 3 months, hematology and a chemistry panel, pre- and post-prandial glycemic and insulinemic profiles were evaluated in all patients. HbA1c levels significantly decreased in LP patients on normal diet, post-prandial glycemic levels were significantly lower in LP than in HR patients from 30 min onwards, 15-min post-prandial insulin levels higher in LP- than in HR-treated patients, and hypoglycemic episodes were significantly less in LP- than in HR-treated patients. LP insulin, irrespective of the type of diet, results in more effective glycemic control, significantly reduces hypoglycemic episodes as opposed to traditional insulin therapy and seems to be more effective with a normal diet than with a Mediterranean diet.

[Indexed for MEDLINE]

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