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Targeting postprandial glycaemia in children with diabetes: Opportunities and challenges
Myfanwy C Geyer1,2, Christopher K Rayner3,4, Michael Horowitz3,5
1Discipline of Paediatrics, University of Adelaide, Adelaide, Australia.
Insights
Managing postprandial glucose levels is crucial for children with diabetes, especially when preprandial glucose is controlled. This review explores factors influencing postprandial hyperglycemia and therapeutic strategies for better diabetes management in pediatric patients.
Area of Science:
- Endocrinology
- Pediatric Diabetes Management
- Metabolic Research
Background:
- Postprandial hyperglycemia significantly impacts overall glycemic control in diabetes.
- It is particularly relevant for pediatric patients with well-controlled preprandial glucose and modestly elevated HbA1c.
- Understanding the determinants of postprandial glucose excursions is key for effective diabetes management in children.
Purpose of the Study:
- To review the factors influencing postprandial hyperglycemia in children with diabetes.
- To discuss therapeutic strategies for targeting postprandial glucose control in pediatric diabetes.
- To highlight the evolving landscape of diabetes management technologies and treatments for children.
Main Methods:
- Literature review focusing on determinants of postprandial glycemia.
- Analysis of continuous glucose monitoring (CGM) data patterns.
- Evaluation of therapeutic interventions targeting the incretin system and gastric emptying.
Main Results:
- Postprandial glycemia is influenced by preprandial glucose, nutrient absorption, insulin dynamics, enteroendocrine function, and gastric emptying.
- Continuous glucose monitoring systems provide detailed insights into postprandial glucose patterns.
- Challenges remain in closed-loop systems regarding glucose and insulin delivery timing.
- Incretin system augmentation offers a promising approach, particularly for type 2 diabetes in children.
Conclusions:
- Targeting postprandial hyperglycemia is becoming increasingly important in pediatric diabetes care.
- Therapeutic strategies involving the incretin system show potential for improving glucose control in children.
- Advancements in technology and understanding of physiological mechanisms are driving new treatment approaches for pediatric diabetes.
Abstract:
Postprandial glycaemia makes a substantial contribution to overall glycaemic control in diabetes, particularly in patients whose preprandial glycaemia is relatively well controlled and glycated haemoglobin (HbA1c) only modestly elevated. Our review addresses the determinants of postprandial glycaemia and how it may be targeted therapeutically in children with diabetes. Postprandial glycaemia is influenced by preprandial glycaemia, macronutrients and their absorption, insulin delivery and sensitivity, the action of the enteroendocrine system, and the rate of gastric emptying. Contemporary continuous glucose monitoring systems reveal patterns of post prandial glycaemia and allow management to be guided more precisely. Delays in blood glucose determination, insulin delivery and its absorption remain challenges in the rapidly evolving closed loop continuous subcutaneous insulin and glucagon delivery systems developed for children with type 1 diabetes. Augmentation of the incretin system through nutritional preloads or incretin mimetics targets postprandial glycaemia by slowing gastric emptying as well as insulinotropic and glucagonostatic effects. These treatments are of particular relevance to children with type 2 diabetes. Following the development of targeted therapies in adults, postprandial blood glucose control will now be increasingly targeted in the treatment of diabetes in children.
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