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Insulin Formulations: Types and Delivery

Insulin Formulations: Types and Delivery

Insulin preparations are categorized by their duration of action into short-acting and long-acting types. Two strategies are used to modify insulin's absorption and pharmacokinetic profile: slowing the absorption post-subcutaneous injection, or altering human insulin's amino acid sequence or protein structure. These changes retain the insulin's ability to bind to the insulin receptor, but alter its behavior in solution or after injection.
Short-acting insulins are divided into...

Insulin: Dosing Regimen and Adverse Effects

Insulin: Dosing Regimen and Adverse Effects

Insulin-replacement therapy usually includes both long-acting insulin (basal) and short-acting insulin (to cater to postprandial needs). In a diverse group of type 1 diabetes patients, the average daily insulin dose is typically 0.5-0.7 units/kg body weight. However, obese patients and pubertal adolescents may need more due to insulin resistance.
The basal dose constitutes about 40%-50% of the total daily dose, with the rest as premeal insulin. The mealtime insulin dose should mirror...

Oral Hypoglycemic Agents: Glinides

Oral Hypoglycemic Agents: Glinides

Repaglinide (Prandin) and Nateglinide (Starlix), known as glinides, are oral insulin secretagogues that stimulate insulin release from pancreatic β cells by closing the ATP-sensitive potassium channels (KATP channel). Repaglinide controls insulin release from pancreatic β cells by managing potassium efflux. It shares two binding sites with sulfonylureas and also has a unique site, indicating overlapping mechanisms of action. With a rapid onset and a 4-7 hour duration, it effectively...

Insulin: Biosynthesis, Chemistry, and Preparation

Insulin: Biosynthesis, Chemistry, and Preparation

The endoplasmic reticulum (ER) of pancreatic β-cells synthesizes preproinsulin, which consists of a signal peptide, A and B chains, and a C-peptide. Preproinsulin is then cleaved and folded into proinsulin, which translocates to the Golgi apparatus for sorting and packaging into secretory granules. In these granules, enzymatic clipping generates insulin and C-peptide.
Damage or functional impairment of β-cells inhibits insulin production, leading to diabetes. Diabetes treatment...

Glucagon-like Receptor Agonists

Glucagon-like Receptor Agonists

Incretins include glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP), which stimulate insulin secretion post-meals. In type 2 diabetes, GIP's efficacy is reduced, making GLP-1 a viable drug target. GIP originates from preproGIP.
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by...

Inhaled Medications

Inhaled Medications

Inhaled medications are crucial for managing chronic obstructive pulmonary disease (COPD) and asthma. They are essential for effective treatment and control, ensuring optimal respiratory health and well-being. Inhaled medication delivers drugs directly to the lungs, providing a rapid onset of action and reducing systemic side effects compared to oral or injectable medications. Three primary types of inhalation devices are used to administer these medications: nebulizers, metered-dose inhalers...

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Related Experiment Video

Updated: Nov 4, 2025

Improving IV Insulin Administration in a Community Hospital

Improving IV Insulin Administration in a Community Hospital

Published on: June 11, 2012

Person-friendly insulin delivery devices.

Sanjay Kalra¹, Sameer Aggarwal²

¹Department of Endocrinology, Bharti Hospital, Karnal, India.

JPMA. the Journal of the Pakistan Medical Association

|May 31, 2021

Summary

This review covers insulin delivery devices, detailing their features and benefits. It aids healthcare professionals in selecting optimal devices for precise diabetes management and improved patient outcomes.

Keywords:

Insulin delivery, insulin pens, insulin technique, syringes, needles

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Last Updated: Nov 4, 2025

Improving IV Insulin Administration in a Community Hospital

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Area of Science:

Endocrinology
Medical Devices
Diabetes Mellitus Management

Background:

Effective diabetes management relies on appropriate insulin delivery methods.
Traditional insulin delivery systems may present challenges in achieving optimal glycemic control.
Advancements in technology have introduced a variety of sophisticated insulin delivery devices.

Purpose of the Study:

To review diverse insulin delivery devices and their specific characteristics.
To elucidate the advantages offered by modern insulin delivery technologies.
To support diabetes care professionals in making informed decisions regarding device prescription.

Main Methods:

Comprehensive literature review of insulin delivery devices.
Analysis of device features, including usability, accuracy, and patient factors.
Synthesis of information on the benefits and limitations of various delivery systems.

Main Results:

Categorization of insulin delivery devices based on technology and function.
Highlighting of key advantages such as enhanced precision dosing and improved patient convenience.
Discussion of factors influencing the selection of appropriate devices for individual patient needs.

Conclusions:

Modern insulin delivery devices offer significant advantages for diabetes care.
Precision dosing is a critical factor achievable with advanced delivery systems.
Informed device selection by healthcare professionals is essential for optimizing therapeutic outcomes in diabetes mellitus.