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Insulin lispro, sold under the brand name Humalog among others, is a modified type of medical insulin used to treat type 1 and type 2 diabetes. [5] It is delivered subcutaneously either by injection or from an insulin pump. [5] [6] Onset of effects typically occurs within 30 minutes and lasts about 5 hours. [5]
Regular insulin should be given with about a 30-minute lead-time prior to the meal to be maximally effective and to minimize the possibility of hypoglycemia. Lispro, aspart and glulisine are approved for dosage with the first bite of the meal, and may even be effective if given after completing the meal.
NPH insulin is cloudy and has an onset of 1–3 hours. Its peak is 6–8 hours and its duration is up to 24 hours. [9]It has an intermediate duration of action, meaning longer than that of regular and rapid-acting insulin, and shorter than long acting insulins (ultralente, glargine or detemir).
The insulin aspart protamine portion is a crystalline form of insulin aspart, which delays the action of the insulin, giving it a prolonged absorption profile after injection. [14] The combination of the fast-acting form and the long-acting form allows the patient to receive fewer injections over the course of the day. [27]
Novo Nordisk created insulin detemir and markets it under the trade name Levemir as a long-lasting insulin analogue for maintaining the basal level of insulin. [ 1 ] [ 5 ] The basal level of insulin may be maintained for up to 20 hours, but the time is affected by the size of the injected dose.
A fast-reacting drug means insulin injections do not have to precede mealtimes by hours, which in turn gives people with diabetes more flexibility in their daily schedules. [47] Insulin can aggregate and form fibrillar interdigitated beta-sheets. This can cause injection amyloidosis, and prevents the storage of insulin for long periods. [48]
One method of intensive insulinotherapy is based on multiple daily injections (sometimes referred to in medical literature as MDI). Meal insulin is supplied by injection of rapid-acting insulin before each meal in an amount proportional to the meal. Basal insulin is provided as a once or twice daily injection of dose of a long-acting insulin.
Insulin pump in use Diabetic child wearing a state-of-the-art insulin pump (referred to as a "patch pump"). His waterproof device needs no one infusion set. An insulin pump is a medical device used for the administration of insulin in the treatment of diabetes mellitus, also known as continuous subcutaneous insulin therapy.