Abstract
Objective To review challenges and opportunities related to closed-loop glucose control in children with type 1 diabetes (T1D). Research design and methods During closed-loop glucose control, insulin infusion rates on a subcutaneous insulin pump are adjusted by a control algorithm according to subcutaneous glucose sensor readings. A literature review is performed and personal experience of work with closed-loop systems at the University of Cambridge, UK, is presented. Results The main challenges in the management of T1D in children are identified together with a summary of current therapeutics options. Review of the literature recognises hypoglycaemia as a limiting factor for the attainment of optimal glycaemic control, primarily in children. Additional specific confounding issues include unpredictable eating and exercise patterns especially in the youngest age group. Closed-loop systems might be particularly helpful, but have to consider increased insulin sensitivity, lower insulin doses, and human factors such as size and usability of closed-loop components. Conclusions Closed-loop systems may represent an alternative treatment option to achieve target glucose levels whilst reducing the risk of hypoglycaemia in children with T1D.
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