Related Experiment Videos
Type 2 diabetes: a well-characterised but suboptimally controlled disease. Can we bridge the divide?
L Monnier1, C Colette, D R Owens
1Laboratory of Human Nutrition, University Institute of Clinical Research, 34093 Montpellier cedex 5, France. l-monnier@chu-montpellier.fr
Abstract:
From a pathophysiological point of view, type 2 diabetes is a well-characterised disease, since the glycaemic disorders result from three main mechanisms (the De Fronzo's triumvirate): a defect of beta-cell function, decreased disposal of glucose in peripheral tissues and overproduction of glucose by the liver. Each defect is subject to 24-h circadian variations and to inevitable worsening with time. As a consequence, therapeutic strategies should reflect whether patients retain sufficient insulin secretion or suffer from a more severe secretory defect that progresses from being responsive to oral diabetic agents to the insulin-requiring stage. Identifying the different pathophysiological stages is a prerequisite for successful therapeutic strategies. This assessment can be done by considering on the one hand the HbA(1c) and on the other the glycaemic profiles. For the latter, either discontinuous (self-monitoring of blood glucose) or continuous glucose monitoring can be used. However, many difficulties remain for bridging the divide between well-understood pathophysiological concepts and suboptimal glycaemic control achieved in clinical practice. The main drawback is the difficulty in providing therapies at recommended doses to stochastic phenomena such as either intestinal absorption of carbohydrates or fluctuations in both pharmacokinetics and pharmacodynamics of hypoglycaemic agents.
Insights
Type 2 diabetes involves three core mechanisms: impaired beta-cell function, reduced glucose uptake, and liver overproduction. Effective treatment requires identifying patient-specific pathophysiological stages for optimal glycemic control.
Area of Science:
- Endocrinology
- Metabolic Diseases
- Diabetes Pathophysiology
Background:
- Type 2 diabetes (T2D) is characterized by three primary pathophysiological defects: beta-cell dysfunction, peripheral insulin resistance, and hepatic glucose overproduction (De Fronzo's triumvirate).
- These defects exhibit circadian variations and progressively worsen over time, complicating disease management.
- Current therapeutic strategies often fall short due to challenges in aligning treatments with individual patient progression and physiological variability.
Purpose of the Study:
- To emphasize the critical need for accurate pathophysiological staging in type 2 diabetes management.
- To highlight the importance of tailoring therapeutic strategies based on individual disease progression and insulin secretory capacity.
- To address the gap between understanding T2D pathophysiology and achieving optimal glycemic control in clinical practice.
Main Methods:
- Assessment of pathophysiological stages using HbA1c levels and glycemic profiles.
- Utilizing both self-monitoring of blood glucose (SMBG) and continuous glucose monitoring (CGM) for glycemic profiling.
- Analyzing the impact of stochastic factors on therapeutic efficacy.
Main Results:
- Identifying distinct pathophysiological stages is essential for successful therapeutic interventions in T2D.
- Glycemic control remains suboptimal due to difficulties in managing variable physiological factors.
- Challenges exist in delivering consistent therapeutic doses amidst fluctuations in carbohydrate absorption and drug pharmacokinetics/pharmacodynamics.
Conclusions:
- Personalized therapeutic approaches are crucial for effective type 2 diabetes management.
- Bridging the gap between pathophysiological understanding and clinical practice requires addressing variability in patient responses and treatment delivery.
- Further research is needed to optimize treatment strategies for stochastic phenomena in T2D.
Related Concept Videos
Diabetes Mellitus: Type 2 and Gestational
Type II Diabetes I: Introduction
Diabetes Mellitus: Overview and Type I Subtype
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
Type II Diabetes II: Pathophysiology
Carbohydrate Metabolism
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in the...
Diabetes: Management and Pharmacotherapy
Insulin remains the cornerstone of treatment for most patients with type 1 and many...