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Insulin lispro, a new insulin analog

M L Kucera¹, J P Graham

¹Veterans Affairs Medical Center, Amarillo, Texas, USA.

Pharmacotherapy

|June 10, 1998

Summary

Insulin lispro offers faster absorption and a shorter action duration than regular insulin. This rapid-acting insulin analog provides flexible dosing and effective glycemic control for diabetes mellitus patients.

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Area of Science:

Pharmacology
Endocrinology
Biochemistry

Background:

Insulin lispro is a rapid-acting insulin analog designed to improve upon regular insulin.
Its unique B chain amino acid sequence (proline-lysine inversion at positions 28-29) alters absorption and action profiles.

Purpose of the Study:

To evaluate the pharmacokinetic and pharmacodynamic properties of insulin lispro compared to regular insulin.
To assess the efficacy and safety of insulin lispro in managing glycemic control in patients with diabetes mellitus.

Main Methods:

Comparative analysis of insulin lispro and regular insulin absorption, onset, and duration of action.
Clinical evaluation of glycemic control, including postprandial blood glucose levels and hypoglycemic episodes, in patients with type I and II diabetes mellitus.

Main Results:

Insulin lispro demonstrated more rapid absorption, faster onset, and shorter duration of action than regular insulin.
Equivalent or improved glycemic control was observed with insulin lispro compared to regular insulin.
Insulin lispro resulted in a greater reduction in postprandial blood glucose excursions without increasing hypoglycemia.

Conclusions:

Insulin lispro offers a more rapid and flexible therapeutic option for exogenous insulin therapy.
Its profile supports a more physiologic approach to managing diabetes mellitus.
Insulin lispro provides effective glycemic management with a favorable safety profile.

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